6606 lines
189 KiB
JavaScript
6606 lines
189 KiB
JavaScript
/**
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* @vue/compiler-dom v3.5.21
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* (c) 2018-present Yuxi (Evan) You and Vue contributors
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* @license MIT
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**/
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// @__NO_SIDE_EFFECTS__
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function makeMap(str) {
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const map = /* @__PURE__ */ Object.create(null);
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for (const key of str.split(",")) map[key] = 1;
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return (val) => val in map;
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}
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const EMPTY_OBJ = Object.freeze({}) ;
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const NOOP = () => {
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};
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const NO = () => false;
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const isOn = (key) => key.charCodeAt(0) === 111 && key.charCodeAt(1) === 110 && // uppercase letter
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(key.charCodeAt(2) > 122 || key.charCodeAt(2) < 97);
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const extend = Object.assign;
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const isArray = Array.isArray;
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const isString = (val) => typeof val === "string";
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const isSymbol = (val) => typeof val === "symbol";
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const isObject = (val) => val !== null && typeof val === "object";
|
|
const isReservedProp = /* @__PURE__ */ makeMap(
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|
// the leading comma is intentional so empty string "" is also included
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",key,ref,ref_for,ref_key,onVnodeBeforeMount,onVnodeMounted,onVnodeBeforeUpdate,onVnodeUpdated,onVnodeBeforeUnmount,onVnodeUnmounted"
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);
|
|
const isBuiltInDirective = /* @__PURE__ */ makeMap(
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|
"bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text,memo"
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);
|
|
const cacheStringFunction = (fn) => {
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|
const cache = /* @__PURE__ */ Object.create(null);
|
|
return ((str) => {
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|
const hit = cache[str];
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|
return hit || (cache[str] = fn(str));
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});
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|
};
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|
const camelizeRE = /-\w/g;
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|
const camelize = cacheStringFunction(
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(str) => {
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|
return str.replace(camelizeRE, (c) => c.slice(1).toUpperCase());
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}
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);
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const capitalize = cacheStringFunction((str) => {
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return str.charAt(0).toUpperCase() + str.slice(1);
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});
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const toHandlerKey = cacheStringFunction(
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(str) => {
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const s = str ? `on${capitalize(str)}` : ``;
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return s;
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}
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);
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|
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const PatchFlagNames = {
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[1]: `TEXT`,
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[2]: `CLASS`,
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[4]: `STYLE`,
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[8]: `PROPS`,
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[16]: `FULL_PROPS`,
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[32]: `NEED_HYDRATION`,
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[64]: `STABLE_FRAGMENT`,
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[128]: `KEYED_FRAGMENT`,
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[256]: `UNKEYED_FRAGMENT`,
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[512]: `NEED_PATCH`,
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[1024]: `DYNAMIC_SLOTS`,
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[2048]: `DEV_ROOT_FRAGMENT`,
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[-1]: `CACHED`,
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[-2]: `BAIL`
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};
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|
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const slotFlagsText = {
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[1]: "STABLE",
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[2]: "DYNAMIC",
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[3]: "FORWARDED"
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};
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|
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const range = 2;
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function generateCodeFrame(source, start = 0, end = source.length) {
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start = Math.max(0, Math.min(start, source.length));
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end = Math.max(0, Math.min(end, source.length));
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if (start > end) return "";
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let lines = source.split(/(\r?\n)/);
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const newlineSequences = lines.filter((_, idx) => idx % 2 === 1);
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lines = lines.filter((_, idx) => idx % 2 === 0);
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let count = 0;
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const res = [];
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for (let i = 0; i < lines.length; i++) {
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count += lines[i].length + (newlineSequences[i] && newlineSequences[i].length || 0);
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if (count >= start) {
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for (let j = i - range; j <= i + range || end > count; j++) {
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if (j < 0 || j >= lines.length) continue;
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const line = j + 1;
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res.push(
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`${line}${" ".repeat(Math.max(3 - String(line).length, 0))}| ${lines[j]}`
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);
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const lineLength = lines[j].length;
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const newLineSeqLength = newlineSequences[j] && newlineSequences[j].length || 0;
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if (j === i) {
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const pad = start - (count - (lineLength + newLineSeqLength));
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const length = Math.max(
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1,
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end > count ? lineLength - pad : end - start
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);
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res.push(` | ` + " ".repeat(pad) + "^".repeat(length));
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} else if (j > i) {
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if (end > count) {
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const length = Math.max(Math.min(end - count, lineLength), 1);
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res.push(` | ` + "^".repeat(length));
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}
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count += lineLength + newLineSeqLength;
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}
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}
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break;
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}
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}
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return res.join("\n");
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}
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const listDelimiterRE = /;(?![^(]*\))/g;
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|
const propertyDelimiterRE = /:([^]+)/;
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const styleCommentRE = /\/\*[^]*?\*\//g;
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function parseStringStyle(cssText) {
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|
const ret = {};
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|
cssText.replace(styleCommentRE, "").split(listDelimiterRE).forEach((item) => {
|
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if (item) {
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const tmp = item.split(propertyDelimiterRE);
|
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tmp.length > 1 && (ret[tmp[0].trim()] = tmp[1].trim());
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}
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});
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return ret;
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}
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|
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const HTML_TAGS = "html,body,base,head,link,meta,style,title,address,article,aside,footer,header,hgroup,h1,h2,h3,h4,h5,h6,nav,section,div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,ruby,s,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,embed,object,param,source,canvas,script,noscript,del,ins,caption,col,colgroup,table,thead,tbody,td,th,tr,button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,output,progress,select,textarea,details,dialog,menu,summary,template,blockquote,iframe,tfoot";
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const SVG_TAGS = "svg,animate,animateMotion,animateTransform,circle,clipPath,color-profile,defs,desc,discard,ellipse,feBlend,feColorMatrix,feComponentTransfer,feComposite,feConvolveMatrix,feDiffuseLighting,feDisplacementMap,feDistantLight,feDropShadow,feFlood,feFuncA,feFuncB,feFuncG,feFuncR,feGaussianBlur,feImage,feMerge,feMergeNode,feMorphology,feOffset,fePointLight,feSpecularLighting,feSpotLight,feTile,feTurbulence,filter,foreignObject,g,hatch,hatchpath,image,line,linearGradient,marker,mask,mesh,meshgradient,meshpatch,meshrow,metadata,mpath,path,pattern,polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,text,textPath,title,tspan,unknown,use,view";
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const MATH_TAGS = "annotation,annotation-xml,maction,maligngroup,malignmark,math,menclose,merror,mfenced,mfrac,mfraction,mglyph,mi,mlabeledtr,mlongdiv,mmultiscripts,mn,mo,mover,mpadded,mphantom,mprescripts,mroot,mrow,ms,mscarries,mscarry,msgroup,msline,mspace,msqrt,msrow,mstack,mstyle,msub,msubsup,msup,mtable,mtd,mtext,mtr,munder,munderover,none,semantics";
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const VOID_TAGS = "area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr";
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const isHTMLTag = /* @__PURE__ */ makeMap(HTML_TAGS);
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const isSVGTag = /* @__PURE__ */ makeMap(SVG_TAGS);
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const isMathMLTag = /* @__PURE__ */ makeMap(MATH_TAGS);
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const isVoidTag = /* @__PURE__ */ makeMap(VOID_TAGS);
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const FRAGMENT = Symbol(`Fragment` );
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const TELEPORT = Symbol(`Teleport` );
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const SUSPENSE = Symbol(`Suspense` );
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const KEEP_ALIVE = Symbol(`KeepAlive` );
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const BASE_TRANSITION = Symbol(
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`BaseTransition`
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);
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const OPEN_BLOCK = Symbol(`openBlock` );
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const CREATE_BLOCK = Symbol(`createBlock` );
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const CREATE_ELEMENT_BLOCK = Symbol(
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`createElementBlock`
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);
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const CREATE_VNODE = Symbol(`createVNode` );
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const CREATE_ELEMENT_VNODE = Symbol(
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`createElementVNode`
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);
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const CREATE_COMMENT = Symbol(
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`createCommentVNode`
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);
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const CREATE_TEXT = Symbol(
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`createTextVNode`
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);
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const CREATE_STATIC = Symbol(
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`createStaticVNode`
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);
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const RESOLVE_COMPONENT = Symbol(
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`resolveComponent`
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);
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const RESOLVE_DYNAMIC_COMPONENT = Symbol(
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`resolveDynamicComponent`
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);
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const RESOLVE_DIRECTIVE = Symbol(
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`resolveDirective`
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);
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const RESOLVE_FILTER = Symbol(
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|
`resolveFilter`
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);
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const WITH_DIRECTIVES = Symbol(
|
|
`withDirectives`
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);
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const RENDER_LIST = Symbol(`renderList` );
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const RENDER_SLOT = Symbol(`renderSlot` );
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const CREATE_SLOTS = Symbol(`createSlots` );
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const TO_DISPLAY_STRING = Symbol(
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`toDisplayString`
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);
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const MERGE_PROPS = Symbol(`mergeProps` );
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const NORMALIZE_CLASS = Symbol(
|
|
`normalizeClass`
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);
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const NORMALIZE_STYLE = Symbol(
|
|
`normalizeStyle`
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);
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|
const NORMALIZE_PROPS = Symbol(
|
|
`normalizeProps`
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);
|
|
const GUARD_REACTIVE_PROPS = Symbol(
|
|
`guardReactiveProps`
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|
);
|
|
const TO_HANDLERS = Symbol(`toHandlers` );
|
|
const CAMELIZE = Symbol(`camelize` );
|
|
const CAPITALIZE = Symbol(`capitalize` );
|
|
const TO_HANDLER_KEY = Symbol(
|
|
`toHandlerKey`
|
|
);
|
|
const SET_BLOCK_TRACKING = Symbol(
|
|
`setBlockTracking`
|
|
);
|
|
const PUSH_SCOPE_ID = Symbol(`pushScopeId` );
|
|
const POP_SCOPE_ID = Symbol(`popScopeId` );
|
|
const WITH_CTX = Symbol(`withCtx` );
|
|
const UNREF = Symbol(`unref` );
|
|
const IS_REF = Symbol(`isRef` );
|
|
const WITH_MEMO = Symbol(`withMemo` );
|
|
const IS_MEMO_SAME = Symbol(`isMemoSame` );
|
|
const helperNameMap = {
|
|
[FRAGMENT]: `Fragment`,
|
|
[TELEPORT]: `Teleport`,
|
|
[SUSPENSE]: `Suspense`,
|
|
[KEEP_ALIVE]: `KeepAlive`,
|
|
[BASE_TRANSITION]: `BaseTransition`,
|
|
[OPEN_BLOCK]: `openBlock`,
|
|
[CREATE_BLOCK]: `createBlock`,
|
|
[CREATE_ELEMENT_BLOCK]: `createElementBlock`,
|
|
[CREATE_VNODE]: `createVNode`,
|
|
[CREATE_ELEMENT_VNODE]: `createElementVNode`,
|
|
[CREATE_COMMENT]: `createCommentVNode`,
|
|
[CREATE_TEXT]: `createTextVNode`,
|
|
[CREATE_STATIC]: `createStaticVNode`,
|
|
[RESOLVE_COMPONENT]: `resolveComponent`,
|
|
[RESOLVE_DYNAMIC_COMPONENT]: `resolveDynamicComponent`,
|
|
[RESOLVE_DIRECTIVE]: `resolveDirective`,
|
|
[RESOLVE_FILTER]: `resolveFilter`,
|
|
[WITH_DIRECTIVES]: `withDirectives`,
|
|
[RENDER_LIST]: `renderList`,
|
|
[RENDER_SLOT]: `renderSlot`,
|
|
[CREATE_SLOTS]: `createSlots`,
|
|
[TO_DISPLAY_STRING]: `toDisplayString`,
|
|
[MERGE_PROPS]: `mergeProps`,
|
|
[NORMALIZE_CLASS]: `normalizeClass`,
|
|
[NORMALIZE_STYLE]: `normalizeStyle`,
|
|
[NORMALIZE_PROPS]: `normalizeProps`,
|
|
[GUARD_REACTIVE_PROPS]: `guardReactiveProps`,
|
|
[TO_HANDLERS]: `toHandlers`,
|
|
[CAMELIZE]: `camelize`,
|
|
[CAPITALIZE]: `capitalize`,
|
|
[TO_HANDLER_KEY]: `toHandlerKey`,
|
|
[SET_BLOCK_TRACKING]: `setBlockTracking`,
|
|
[PUSH_SCOPE_ID]: `pushScopeId`,
|
|
[POP_SCOPE_ID]: `popScopeId`,
|
|
[WITH_CTX]: `withCtx`,
|
|
[UNREF]: `unref`,
|
|
[IS_REF]: `isRef`,
|
|
[WITH_MEMO]: `withMemo`,
|
|
[IS_MEMO_SAME]: `isMemoSame`
|
|
};
|
|
function registerRuntimeHelpers(helpers) {
|
|
Object.getOwnPropertySymbols(helpers).forEach((s) => {
|
|
helperNameMap[s] = helpers[s];
|
|
});
|
|
}
|
|
|
|
const Namespaces = {
|
|
"HTML": 0,
|
|
"0": "HTML",
|
|
"SVG": 1,
|
|
"1": "SVG",
|
|
"MATH_ML": 2,
|
|
"2": "MATH_ML"
|
|
};
|
|
const NodeTypes = {
|
|
"ROOT": 0,
|
|
"0": "ROOT",
|
|
"ELEMENT": 1,
|
|
"1": "ELEMENT",
|
|
"TEXT": 2,
|
|
"2": "TEXT",
|
|
"COMMENT": 3,
|
|
"3": "COMMENT",
|
|
"SIMPLE_EXPRESSION": 4,
|
|
"4": "SIMPLE_EXPRESSION",
|
|
"INTERPOLATION": 5,
|
|
"5": "INTERPOLATION",
|
|
"ATTRIBUTE": 6,
|
|
"6": "ATTRIBUTE",
|
|
"DIRECTIVE": 7,
|
|
"7": "DIRECTIVE",
|
|
"COMPOUND_EXPRESSION": 8,
|
|
"8": "COMPOUND_EXPRESSION",
|
|
"IF": 9,
|
|
"9": "IF",
|
|
"IF_BRANCH": 10,
|
|
"10": "IF_BRANCH",
|
|
"FOR": 11,
|
|
"11": "FOR",
|
|
"TEXT_CALL": 12,
|
|
"12": "TEXT_CALL",
|
|
"VNODE_CALL": 13,
|
|
"13": "VNODE_CALL",
|
|
"JS_CALL_EXPRESSION": 14,
|
|
"14": "JS_CALL_EXPRESSION",
|
|
"JS_OBJECT_EXPRESSION": 15,
|
|
"15": "JS_OBJECT_EXPRESSION",
|
|
"JS_PROPERTY": 16,
|
|
"16": "JS_PROPERTY",
|
|
"JS_ARRAY_EXPRESSION": 17,
|
|
"17": "JS_ARRAY_EXPRESSION",
|
|
"JS_FUNCTION_EXPRESSION": 18,
|
|
"18": "JS_FUNCTION_EXPRESSION",
|
|
"JS_CONDITIONAL_EXPRESSION": 19,
|
|
"19": "JS_CONDITIONAL_EXPRESSION",
|
|
"JS_CACHE_EXPRESSION": 20,
|
|
"20": "JS_CACHE_EXPRESSION",
|
|
"JS_BLOCK_STATEMENT": 21,
|
|
"21": "JS_BLOCK_STATEMENT",
|
|
"JS_TEMPLATE_LITERAL": 22,
|
|
"22": "JS_TEMPLATE_LITERAL",
|
|
"JS_IF_STATEMENT": 23,
|
|
"23": "JS_IF_STATEMENT",
|
|
"JS_ASSIGNMENT_EXPRESSION": 24,
|
|
"24": "JS_ASSIGNMENT_EXPRESSION",
|
|
"JS_SEQUENCE_EXPRESSION": 25,
|
|
"25": "JS_SEQUENCE_EXPRESSION",
|
|
"JS_RETURN_STATEMENT": 26,
|
|
"26": "JS_RETURN_STATEMENT"
|
|
};
|
|
const ElementTypes = {
|
|
"ELEMENT": 0,
|
|
"0": "ELEMENT",
|
|
"COMPONENT": 1,
|
|
"1": "COMPONENT",
|
|
"SLOT": 2,
|
|
"2": "SLOT",
|
|
"TEMPLATE": 3,
|
|
"3": "TEMPLATE"
|
|
};
|
|
const ConstantTypes = {
|
|
"NOT_CONSTANT": 0,
|
|
"0": "NOT_CONSTANT",
|
|
"CAN_SKIP_PATCH": 1,
|
|
"1": "CAN_SKIP_PATCH",
|
|
"CAN_CACHE": 2,
|
|
"2": "CAN_CACHE",
|
|
"CAN_STRINGIFY": 3,
|
|
"3": "CAN_STRINGIFY"
|
|
};
|
|
const locStub = {
|
|
start: { line: 1, column: 1, offset: 0 },
|
|
end: { line: 1, column: 1, offset: 0 },
|
|
source: ""
|
|
};
|
|
function createRoot(children, source = "") {
|
|
return {
|
|
type: 0,
|
|
source,
|
|
children,
|
|
helpers: /* @__PURE__ */ new Set(),
|
|
components: [],
|
|
directives: [],
|
|
hoists: [],
|
|
imports: [],
|
|
cached: [],
|
|
temps: 0,
|
|
codegenNode: void 0,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createVNodeCall(context, tag, props, children, patchFlag, dynamicProps, directives, isBlock = false, disableTracking = false, isComponent = false, loc = locStub) {
|
|
if (context) {
|
|
if (isBlock) {
|
|
context.helper(OPEN_BLOCK);
|
|
context.helper(getVNodeBlockHelper(context.inSSR, isComponent));
|
|
} else {
|
|
context.helper(getVNodeHelper(context.inSSR, isComponent));
|
|
}
|
|
if (directives) {
|
|
context.helper(WITH_DIRECTIVES);
|
|
}
|
|
}
|
|
return {
|
|
type: 13,
|
|
tag,
|
|
props,
|
|
children,
|
|
patchFlag,
|
|
dynamicProps,
|
|
directives,
|
|
isBlock,
|
|
disableTracking,
|
|
isComponent,
|
|
loc
|
|
};
|
|
}
|
|
function createArrayExpression(elements, loc = locStub) {
|
|
return {
|
|
type: 17,
|
|
loc,
|
|
elements
|
|
};
|
|
}
|
|
function createObjectExpression(properties, loc = locStub) {
|
|
return {
|
|
type: 15,
|
|
loc,
|
|
properties
|
|
};
|
|
}
|
|
function createObjectProperty(key, value) {
|
|
return {
|
|
type: 16,
|
|
loc: locStub,
|
|
key: isString(key) ? createSimpleExpression(key, true) : key,
|
|
value
|
|
};
|
|
}
|
|
function createSimpleExpression(content, isStatic = false, loc = locStub, constType = 0) {
|
|
return {
|
|
type: 4,
|
|
loc,
|
|
content,
|
|
isStatic,
|
|
constType: isStatic ? 3 : constType
|
|
};
|
|
}
|
|
function createInterpolation(content, loc) {
|
|
return {
|
|
type: 5,
|
|
loc,
|
|
content: isString(content) ? createSimpleExpression(content, false, loc) : content
|
|
};
|
|
}
|
|
function createCompoundExpression(children, loc = locStub) {
|
|
return {
|
|
type: 8,
|
|
loc,
|
|
children
|
|
};
|
|
}
|
|
function createCallExpression(callee, args = [], loc = locStub) {
|
|
return {
|
|
type: 14,
|
|
loc,
|
|
callee,
|
|
arguments: args
|
|
};
|
|
}
|
|
function createFunctionExpression(params, returns = void 0, newline = false, isSlot = false, loc = locStub) {
|
|
return {
|
|
type: 18,
|
|
params,
|
|
returns,
|
|
newline,
|
|
isSlot,
|
|
loc
|
|
};
|
|
}
|
|
function createConditionalExpression(test, consequent, alternate, newline = true) {
|
|
return {
|
|
type: 19,
|
|
test,
|
|
consequent,
|
|
alternate,
|
|
newline,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createCacheExpression(index, value, needPauseTracking = false, inVOnce = false) {
|
|
return {
|
|
type: 20,
|
|
index,
|
|
value,
|
|
needPauseTracking,
|
|
inVOnce,
|
|
needArraySpread: false,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createBlockStatement(body) {
|
|
return {
|
|
type: 21,
|
|
body,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createTemplateLiteral(elements) {
|
|
return {
|
|
type: 22,
|
|
elements,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createIfStatement(test, consequent, alternate) {
|
|
return {
|
|
type: 23,
|
|
test,
|
|
consequent,
|
|
alternate,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createAssignmentExpression(left, right) {
|
|
return {
|
|
type: 24,
|
|
left,
|
|
right,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createSequenceExpression(expressions) {
|
|
return {
|
|
type: 25,
|
|
expressions,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function createReturnStatement(returns) {
|
|
return {
|
|
type: 26,
|
|
returns,
|
|
loc: locStub
|
|
};
|
|
}
|
|
function getVNodeHelper(ssr, isComponent) {
|
|
return ssr || isComponent ? CREATE_VNODE : CREATE_ELEMENT_VNODE;
|
|
}
|
|
function getVNodeBlockHelper(ssr, isComponent) {
|
|
return ssr || isComponent ? CREATE_BLOCK : CREATE_ELEMENT_BLOCK;
|
|
}
|
|
function convertToBlock(node, { helper, removeHelper, inSSR }) {
|
|
if (!node.isBlock) {
|
|
node.isBlock = true;
|
|
removeHelper(getVNodeHelper(inSSR, node.isComponent));
|
|
helper(OPEN_BLOCK);
|
|
helper(getVNodeBlockHelper(inSSR, node.isComponent));
|
|
}
|
|
}
|
|
|
|
const defaultDelimitersOpen = new Uint8Array([123, 123]);
|
|
const defaultDelimitersClose = new Uint8Array([125, 125]);
|
|
function isTagStartChar(c) {
|
|
return c >= 97 && c <= 122 || c >= 65 && c <= 90;
|
|
}
|
|
function isWhitespace(c) {
|
|
return c === 32 || c === 10 || c === 9 || c === 12 || c === 13;
|
|
}
|
|
function isEndOfTagSection(c) {
|
|
return c === 47 || c === 62 || isWhitespace(c);
|
|
}
|
|
function toCharCodes(str) {
|
|
const ret = new Uint8Array(str.length);
|
|
for (let i = 0; i < str.length; i++) {
|
|
ret[i] = str.charCodeAt(i);
|
|
}
|
|
return ret;
|
|
}
|
|
const Sequences = {
|
|
Cdata: new Uint8Array([67, 68, 65, 84, 65, 91]),
|
|
// CDATA[
|
|
CdataEnd: new Uint8Array([93, 93, 62]),
|
|
// ]]>
|
|
CommentEnd: new Uint8Array([45, 45, 62]),
|
|
// `-->`
|
|
ScriptEnd: new Uint8Array([60, 47, 115, 99, 114, 105, 112, 116]),
|
|
// `<\/script`
|
|
StyleEnd: new Uint8Array([60, 47, 115, 116, 121, 108, 101]),
|
|
// `</style`
|
|
TitleEnd: new Uint8Array([60, 47, 116, 105, 116, 108, 101]),
|
|
// `</title`
|
|
TextareaEnd: new Uint8Array([
|
|
60,
|
|
47,
|
|
116,
|
|
101,
|
|
120,
|
|
116,
|
|
97,
|
|
114,
|
|
101,
|
|
97
|
|
])
|
|
// `</textarea
|
|
};
|
|
class Tokenizer {
|
|
constructor(stack, cbs) {
|
|
this.stack = stack;
|
|
this.cbs = cbs;
|
|
/** The current state the tokenizer is in. */
|
|
this.state = 1;
|
|
/** The read buffer. */
|
|
this.buffer = "";
|
|
/** The beginning of the section that is currently being read. */
|
|
this.sectionStart = 0;
|
|
/** The index within the buffer that we are currently looking at. */
|
|
this.index = 0;
|
|
/** The start of the last entity. */
|
|
this.entityStart = 0;
|
|
/** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
|
|
this.baseState = 1;
|
|
/** For special parsing behavior inside of script and style tags. */
|
|
this.inRCDATA = false;
|
|
/** For disabling RCDATA tags handling */
|
|
this.inXML = false;
|
|
/** For disabling interpolation parsing in v-pre */
|
|
this.inVPre = false;
|
|
/** Record newline positions for fast line / column calculation */
|
|
this.newlines = [];
|
|
this.mode = 0;
|
|
this.delimiterOpen = defaultDelimitersOpen;
|
|
this.delimiterClose = defaultDelimitersClose;
|
|
this.delimiterIndex = -1;
|
|
this.currentSequence = void 0;
|
|
this.sequenceIndex = 0;
|
|
}
|
|
get inSFCRoot() {
|
|
return this.mode === 2 && this.stack.length === 0;
|
|
}
|
|
reset() {
|
|
this.state = 1;
|
|
this.mode = 0;
|
|
this.buffer = "";
|
|
this.sectionStart = 0;
|
|
this.index = 0;
|
|
this.baseState = 1;
|
|
this.inRCDATA = false;
|
|
this.currentSequence = void 0;
|
|
this.newlines.length = 0;
|
|
this.delimiterOpen = defaultDelimitersOpen;
|
|
this.delimiterClose = defaultDelimitersClose;
|
|
}
|
|
/**
|
|
* Generate Position object with line / column information using recorded
|
|
* newline positions. We know the index is always going to be an already
|
|
* processed index, so all the newlines up to this index should have been
|
|
* recorded.
|
|
*/
|
|
getPos(index) {
|
|
let line = 1;
|
|
let column = index + 1;
|
|
for (let i = this.newlines.length - 1; i >= 0; i--) {
|
|
const newlineIndex = this.newlines[i];
|
|
if (index > newlineIndex) {
|
|
line = i + 2;
|
|
column = index - newlineIndex;
|
|
break;
|
|
}
|
|
}
|
|
return {
|
|
column,
|
|
line,
|
|
offset: index
|
|
};
|
|
}
|
|
peek() {
|
|
return this.buffer.charCodeAt(this.index + 1);
|
|
}
|
|
stateText(c) {
|
|
if (c === 60) {
|
|
if (this.index > this.sectionStart) {
|
|
this.cbs.ontext(this.sectionStart, this.index);
|
|
}
|
|
this.state = 5;
|
|
this.sectionStart = this.index;
|
|
} else if (!this.inVPre && c === this.delimiterOpen[0]) {
|
|
this.state = 2;
|
|
this.delimiterIndex = 0;
|
|
this.stateInterpolationOpen(c);
|
|
}
|
|
}
|
|
stateInterpolationOpen(c) {
|
|
if (c === this.delimiterOpen[this.delimiterIndex]) {
|
|
if (this.delimiterIndex === this.delimiterOpen.length - 1) {
|
|
const start = this.index + 1 - this.delimiterOpen.length;
|
|
if (start > this.sectionStart) {
|
|
this.cbs.ontext(this.sectionStart, start);
|
|
}
|
|
this.state = 3;
|
|
this.sectionStart = start;
|
|
} else {
|
|
this.delimiterIndex++;
|
|
}
|
|
} else if (this.inRCDATA) {
|
|
this.state = 32;
|
|
this.stateInRCDATA(c);
|
|
} else {
|
|
this.state = 1;
|
|
this.stateText(c);
|
|
}
|
|
}
|
|
stateInterpolation(c) {
|
|
if (c === this.delimiterClose[0]) {
|
|
this.state = 4;
|
|
this.delimiterIndex = 0;
|
|
this.stateInterpolationClose(c);
|
|
}
|
|
}
|
|
stateInterpolationClose(c) {
|
|
if (c === this.delimiterClose[this.delimiterIndex]) {
|
|
if (this.delimiterIndex === this.delimiterClose.length - 1) {
|
|
this.cbs.oninterpolation(this.sectionStart, this.index + 1);
|
|
if (this.inRCDATA) {
|
|
this.state = 32;
|
|
} else {
|
|
this.state = 1;
|
|
}
|
|
this.sectionStart = this.index + 1;
|
|
} else {
|
|
this.delimiterIndex++;
|
|
}
|
|
} else {
|
|
this.state = 3;
|
|
this.stateInterpolation(c);
|
|
}
|
|
}
|
|
stateSpecialStartSequence(c) {
|
|
const isEnd = this.sequenceIndex === this.currentSequence.length;
|
|
const isMatch = isEnd ? (
|
|
// If we are at the end of the sequence, make sure the tag name has ended
|
|
isEndOfTagSection(c)
|
|
) : (
|
|
// Otherwise, do a case-insensitive comparison
|
|
(c | 32) === this.currentSequence[this.sequenceIndex]
|
|
);
|
|
if (!isMatch) {
|
|
this.inRCDATA = false;
|
|
} else if (!isEnd) {
|
|
this.sequenceIndex++;
|
|
return;
|
|
}
|
|
this.sequenceIndex = 0;
|
|
this.state = 6;
|
|
this.stateInTagName(c);
|
|
}
|
|
/** Look for an end tag. For <title> and <textarea>, also decode entities. */
|
|
stateInRCDATA(c) {
|
|
if (this.sequenceIndex === this.currentSequence.length) {
|
|
if (c === 62 || isWhitespace(c)) {
|
|
const endOfText = this.index - this.currentSequence.length;
|
|
if (this.sectionStart < endOfText) {
|
|
const actualIndex = this.index;
|
|
this.index = endOfText;
|
|
this.cbs.ontext(this.sectionStart, endOfText);
|
|
this.index = actualIndex;
|
|
}
|
|
this.sectionStart = endOfText + 2;
|
|
this.stateInClosingTagName(c);
|
|
this.inRCDATA = false;
|
|
return;
|
|
}
|
|
this.sequenceIndex = 0;
|
|
}
|
|
if ((c | 32) === this.currentSequence[this.sequenceIndex]) {
|
|
this.sequenceIndex += 1;
|
|
} else if (this.sequenceIndex === 0) {
|
|
if (this.currentSequence === Sequences.TitleEnd || this.currentSequence === Sequences.TextareaEnd && !this.inSFCRoot) {
|
|
if (!this.inVPre && c === this.delimiterOpen[0]) {
|
|
this.state = 2;
|
|
this.delimiterIndex = 0;
|
|
this.stateInterpolationOpen(c);
|
|
}
|
|
} else if (this.fastForwardTo(60)) {
|
|
this.sequenceIndex = 1;
|
|
}
|
|
} else {
|
|
this.sequenceIndex = Number(c === 60);
|
|
}
|
|
}
|
|
stateCDATASequence(c) {
|
|
if (c === Sequences.Cdata[this.sequenceIndex]) {
|
|
if (++this.sequenceIndex === Sequences.Cdata.length) {
|
|
this.state = 28;
|
|
this.currentSequence = Sequences.CdataEnd;
|
|
this.sequenceIndex = 0;
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
} else {
|
|
this.sequenceIndex = 0;
|
|
this.state = 23;
|
|
this.stateInDeclaration(c);
|
|
}
|
|
}
|
|
/**
|
|
* When we wait for one specific character, we can speed things up
|
|
* by skipping through the buffer until we find it.
|
|
*
|
|
* @returns Whether the character was found.
|
|
*/
|
|
fastForwardTo(c) {
|
|
while (++this.index < this.buffer.length) {
|
|
const cc = this.buffer.charCodeAt(this.index);
|
|
if (cc === 10) {
|
|
this.newlines.push(this.index);
|
|
}
|
|
if (cc === c) {
|
|
return true;
|
|
}
|
|
}
|
|
this.index = this.buffer.length - 1;
|
|
return false;
|
|
}
|
|
/**
|
|
* Comments and CDATA end with `-->` and `]]>`.
|
|
*
|
|
* Their common qualities are:
|
|
* - Their end sequences have a distinct character they start with.
|
|
* - That character is then repeated, so we have to check multiple repeats.
|
|
* - All characters but the start character of the sequence can be skipped.
|
|
*/
|
|
stateInCommentLike(c) {
|
|
if (c === this.currentSequence[this.sequenceIndex]) {
|
|
if (++this.sequenceIndex === this.currentSequence.length) {
|
|
if (this.currentSequence === Sequences.CdataEnd) {
|
|
this.cbs.oncdata(this.sectionStart, this.index - 2);
|
|
} else {
|
|
this.cbs.oncomment(this.sectionStart, this.index - 2);
|
|
}
|
|
this.sequenceIndex = 0;
|
|
this.sectionStart = this.index + 1;
|
|
this.state = 1;
|
|
}
|
|
} else if (this.sequenceIndex === 0) {
|
|
if (this.fastForwardTo(this.currentSequence[0])) {
|
|
this.sequenceIndex = 1;
|
|
}
|
|
} else if (c !== this.currentSequence[this.sequenceIndex - 1]) {
|
|
this.sequenceIndex = 0;
|
|
}
|
|
}
|
|
startSpecial(sequence, offset) {
|
|
this.enterRCDATA(sequence, offset);
|
|
this.state = 31;
|
|
}
|
|
enterRCDATA(sequence, offset) {
|
|
this.inRCDATA = true;
|
|
this.currentSequence = sequence;
|
|
this.sequenceIndex = offset;
|
|
}
|
|
stateBeforeTagName(c) {
|
|
if (c === 33) {
|
|
this.state = 22;
|
|
this.sectionStart = this.index + 1;
|
|
} else if (c === 63) {
|
|
this.state = 24;
|
|
this.sectionStart = this.index + 1;
|
|
} else if (isTagStartChar(c)) {
|
|
this.sectionStart = this.index;
|
|
if (this.mode === 0) {
|
|
this.state = 6;
|
|
} else if (this.inSFCRoot) {
|
|
this.state = 34;
|
|
} else if (!this.inXML) {
|
|
if (c === 116) {
|
|
this.state = 30;
|
|
} else {
|
|
this.state = c === 115 ? 29 : 6;
|
|
}
|
|
} else {
|
|
this.state = 6;
|
|
}
|
|
} else if (c === 47) {
|
|
this.state = 8;
|
|
} else {
|
|
this.state = 1;
|
|
this.stateText(c);
|
|
}
|
|
}
|
|
stateInTagName(c) {
|
|
if (isEndOfTagSection(c)) {
|
|
this.handleTagName(c);
|
|
}
|
|
}
|
|
stateInSFCRootTagName(c) {
|
|
if (isEndOfTagSection(c)) {
|
|
const tag = this.buffer.slice(this.sectionStart, this.index);
|
|
if (tag !== "template") {
|
|
this.enterRCDATA(toCharCodes(`</` + tag), 0);
|
|
}
|
|
this.handleTagName(c);
|
|
}
|
|
}
|
|
handleTagName(c) {
|
|
this.cbs.onopentagname(this.sectionStart, this.index);
|
|
this.sectionStart = -1;
|
|
this.state = 11;
|
|
this.stateBeforeAttrName(c);
|
|
}
|
|
stateBeforeClosingTagName(c) {
|
|
if (isWhitespace(c)) ; else if (c === 62) {
|
|
{
|
|
this.cbs.onerr(14, this.index);
|
|
}
|
|
this.state = 1;
|
|
this.sectionStart = this.index + 1;
|
|
} else {
|
|
this.state = isTagStartChar(c) ? 9 : 27;
|
|
this.sectionStart = this.index;
|
|
}
|
|
}
|
|
stateInClosingTagName(c) {
|
|
if (c === 62 || isWhitespace(c)) {
|
|
this.cbs.onclosetag(this.sectionStart, this.index);
|
|
this.sectionStart = -1;
|
|
this.state = 10;
|
|
this.stateAfterClosingTagName(c);
|
|
}
|
|
}
|
|
stateAfterClosingTagName(c) {
|
|
if (c === 62) {
|
|
this.state = 1;
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
}
|
|
stateBeforeAttrName(c) {
|
|
if (c === 62) {
|
|
this.cbs.onopentagend(this.index);
|
|
if (this.inRCDATA) {
|
|
this.state = 32;
|
|
} else {
|
|
this.state = 1;
|
|
}
|
|
this.sectionStart = this.index + 1;
|
|
} else if (c === 47) {
|
|
this.state = 7;
|
|
if (this.peek() !== 62) {
|
|
this.cbs.onerr(22, this.index);
|
|
}
|
|
} else if (c === 60 && this.peek() === 47) {
|
|
this.cbs.onopentagend(this.index);
|
|
this.state = 5;
|
|
this.sectionStart = this.index;
|
|
} else if (!isWhitespace(c)) {
|
|
if (c === 61) {
|
|
this.cbs.onerr(
|
|
19,
|
|
this.index
|
|
);
|
|
}
|
|
this.handleAttrStart(c);
|
|
}
|
|
}
|
|
handleAttrStart(c) {
|
|
if (c === 118 && this.peek() === 45) {
|
|
this.state = 13;
|
|
this.sectionStart = this.index;
|
|
} else if (c === 46 || c === 58 || c === 64 || c === 35) {
|
|
this.cbs.ondirname(this.index, this.index + 1);
|
|
this.state = 14;
|
|
this.sectionStart = this.index + 1;
|
|
} else {
|
|
this.state = 12;
|
|
this.sectionStart = this.index;
|
|
}
|
|
}
|
|
stateInSelfClosingTag(c) {
|
|
if (c === 62) {
|
|
this.cbs.onselfclosingtag(this.index);
|
|
this.state = 1;
|
|
this.sectionStart = this.index + 1;
|
|
this.inRCDATA = false;
|
|
} else if (!isWhitespace(c)) {
|
|
this.state = 11;
|
|
this.stateBeforeAttrName(c);
|
|
}
|
|
}
|
|
stateInAttrName(c) {
|
|
if (c === 61 || isEndOfTagSection(c)) {
|
|
this.cbs.onattribname(this.sectionStart, this.index);
|
|
this.handleAttrNameEnd(c);
|
|
} else if (c === 34 || c === 39 || c === 60) {
|
|
this.cbs.onerr(
|
|
17,
|
|
this.index
|
|
);
|
|
}
|
|
}
|
|
stateInDirName(c) {
|
|
if (c === 61 || isEndOfTagSection(c)) {
|
|
this.cbs.ondirname(this.sectionStart, this.index);
|
|
this.handleAttrNameEnd(c);
|
|
} else if (c === 58) {
|
|
this.cbs.ondirname(this.sectionStart, this.index);
|
|
this.state = 14;
|
|
this.sectionStart = this.index + 1;
|
|
} else if (c === 46) {
|
|
this.cbs.ondirname(this.sectionStart, this.index);
|
|
this.state = 16;
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
}
|
|
stateInDirArg(c) {
|
|
if (c === 61 || isEndOfTagSection(c)) {
|
|
this.cbs.ondirarg(this.sectionStart, this.index);
|
|
this.handleAttrNameEnd(c);
|
|
} else if (c === 91) {
|
|
this.state = 15;
|
|
} else if (c === 46) {
|
|
this.cbs.ondirarg(this.sectionStart, this.index);
|
|
this.state = 16;
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
}
|
|
stateInDynamicDirArg(c) {
|
|
if (c === 93) {
|
|
this.state = 14;
|
|
} else if (c === 61 || isEndOfTagSection(c)) {
|
|
this.cbs.ondirarg(this.sectionStart, this.index + 1);
|
|
this.handleAttrNameEnd(c);
|
|
{
|
|
this.cbs.onerr(
|
|
27,
|
|
this.index
|
|
);
|
|
}
|
|
}
|
|
}
|
|
stateInDirModifier(c) {
|
|
if (c === 61 || isEndOfTagSection(c)) {
|
|
this.cbs.ondirmodifier(this.sectionStart, this.index);
|
|
this.handleAttrNameEnd(c);
|
|
} else if (c === 46) {
|
|
this.cbs.ondirmodifier(this.sectionStart, this.index);
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
}
|
|
handleAttrNameEnd(c) {
|
|
this.sectionStart = this.index;
|
|
this.state = 17;
|
|
this.cbs.onattribnameend(this.index);
|
|
this.stateAfterAttrName(c);
|
|
}
|
|
stateAfterAttrName(c) {
|
|
if (c === 61) {
|
|
this.state = 18;
|
|
} else if (c === 47 || c === 62) {
|
|
this.cbs.onattribend(0, this.sectionStart);
|
|
this.sectionStart = -1;
|
|
this.state = 11;
|
|
this.stateBeforeAttrName(c);
|
|
} else if (!isWhitespace(c)) {
|
|
this.cbs.onattribend(0, this.sectionStart);
|
|
this.handleAttrStart(c);
|
|
}
|
|
}
|
|
stateBeforeAttrValue(c) {
|
|
if (c === 34) {
|
|
this.state = 19;
|
|
this.sectionStart = this.index + 1;
|
|
} else if (c === 39) {
|
|
this.state = 20;
|
|
this.sectionStart = this.index + 1;
|
|
} else if (!isWhitespace(c)) {
|
|
this.sectionStart = this.index;
|
|
this.state = 21;
|
|
this.stateInAttrValueNoQuotes(c);
|
|
}
|
|
}
|
|
handleInAttrValue(c, quote) {
|
|
if (c === quote || this.fastForwardTo(quote)) {
|
|
this.cbs.onattribdata(this.sectionStart, this.index);
|
|
this.sectionStart = -1;
|
|
this.cbs.onattribend(
|
|
quote === 34 ? 3 : 2,
|
|
this.index + 1
|
|
);
|
|
this.state = 11;
|
|
}
|
|
}
|
|
stateInAttrValueDoubleQuotes(c) {
|
|
this.handleInAttrValue(c, 34);
|
|
}
|
|
stateInAttrValueSingleQuotes(c) {
|
|
this.handleInAttrValue(c, 39);
|
|
}
|
|
stateInAttrValueNoQuotes(c) {
|
|
if (isWhitespace(c) || c === 62) {
|
|
this.cbs.onattribdata(this.sectionStart, this.index);
|
|
this.sectionStart = -1;
|
|
this.cbs.onattribend(1, this.index);
|
|
this.state = 11;
|
|
this.stateBeforeAttrName(c);
|
|
} else if (c === 34 || c === 39 || c === 60 || c === 61 || c === 96) {
|
|
this.cbs.onerr(
|
|
18,
|
|
this.index
|
|
);
|
|
} else ;
|
|
}
|
|
stateBeforeDeclaration(c) {
|
|
if (c === 91) {
|
|
this.state = 26;
|
|
this.sequenceIndex = 0;
|
|
} else {
|
|
this.state = c === 45 ? 25 : 23;
|
|
}
|
|
}
|
|
stateInDeclaration(c) {
|
|
if (c === 62 || this.fastForwardTo(62)) {
|
|
this.state = 1;
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
}
|
|
stateInProcessingInstruction(c) {
|
|
if (c === 62 || this.fastForwardTo(62)) {
|
|
this.cbs.onprocessinginstruction(this.sectionStart, this.index);
|
|
this.state = 1;
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
}
|
|
stateBeforeComment(c) {
|
|
if (c === 45) {
|
|
this.state = 28;
|
|
this.currentSequence = Sequences.CommentEnd;
|
|
this.sequenceIndex = 2;
|
|
this.sectionStart = this.index + 1;
|
|
} else {
|
|
this.state = 23;
|
|
}
|
|
}
|
|
stateInSpecialComment(c) {
|
|
if (c === 62 || this.fastForwardTo(62)) {
|
|
this.cbs.oncomment(this.sectionStart, this.index);
|
|
this.state = 1;
|
|
this.sectionStart = this.index + 1;
|
|
}
|
|
}
|
|
stateBeforeSpecialS(c) {
|
|
if (c === Sequences.ScriptEnd[3]) {
|
|
this.startSpecial(Sequences.ScriptEnd, 4);
|
|
} else if (c === Sequences.StyleEnd[3]) {
|
|
this.startSpecial(Sequences.StyleEnd, 4);
|
|
} else {
|
|
this.state = 6;
|
|
this.stateInTagName(c);
|
|
}
|
|
}
|
|
stateBeforeSpecialT(c) {
|
|
if (c === Sequences.TitleEnd[3]) {
|
|
this.startSpecial(Sequences.TitleEnd, 4);
|
|
} else if (c === Sequences.TextareaEnd[3]) {
|
|
this.startSpecial(Sequences.TextareaEnd, 4);
|
|
} else {
|
|
this.state = 6;
|
|
this.stateInTagName(c);
|
|
}
|
|
}
|
|
startEntity() {
|
|
}
|
|
stateInEntity() {
|
|
}
|
|
/**
|
|
* Iterates through the buffer, calling the function corresponding to the current state.
|
|
*
|
|
* States that are more likely to be hit are higher up, as a performance improvement.
|
|
*/
|
|
parse(input) {
|
|
this.buffer = input;
|
|
while (this.index < this.buffer.length) {
|
|
const c = this.buffer.charCodeAt(this.index);
|
|
if (c === 10 && this.state !== 33) {
|
|
this.newlines.push(this.index);
|
|
}
|
|
switch (this.state) {
|
|
case 1: {
|
|
this.stateText(c);
|
|
break;
|
|
}
|
|
case 2: {
|
|
this.stateInterpolationOpen(c);
|
|
break;
|
|
}
|
|
case 3: {
|
|
this.stateInterpolation(c);
|
|
break;
|
|
}
|
|
case 4: {
|
|
this.stateInterpolationClose(c);
|
|
break;
|
|
}
|
|
case 31: {
|
|
this.stateSpecialStartSequence(c);
|
|
break;
|
|
}
|
|
case 32: {
|
|
this.stateInRCDATA(c);
|
|
break;
|
|
}
|
|
case 26: {
|
|
this.stateCDATASequence(c);
|
|
break;
|
|
}
|
|
case 19: {
|
|
this.stateInAttrValueDoubleQuotes(c);
|
|
break;
|
|
}
|
|
case 12: {
|
|
this.stateInAttrName(c);
|
|
break;
|
|
}
|
|
case 13: {
|
|
this.stateInDirName(c);
|
|
break;
|
|
}
|
|
case 14: {
|
|
this.stateInDirArg(c);
|
|
break;
|
|
}
|
|
case 15: {
|
|
this.stateInDynamicDirArg(c);
|
|
break;
|
|
}
|
|
case 16: {
|
|
this.stateInDirModifier(c);
|
|
break;
|
|
}
|
|
case 28: {
|
|
this.stateInCommentLike(c);
|
|
break;
|
|
}
|
|
case 27: {
|
|
this.stateInSpecialComment(c);
|
|
break;
|
|
}
|
|
case 11: {
|
|
this.stateBeforeAttrName(c);
|
|
break;
|
|
}
|
|
case 6: {
|
|
this.stateInTagName(c);
|
|
break;
|
|
}
|
|
case 34: {
|
|
this.stateInSFCRootTagName(c);
|
|
break;
|
|
}
|
|
case 9: {
|
|
this.stateInClosingTagName(c);
|
|
break;
|
|
}
|
|
case 5: {
|
|
this.stateBeforeTagName(c);
|
|
break;
|
|
}
|
|
case 17: {
|
|
this.stateAfterAttrName(c);
|
|
break;
|
|
}
|
|
case 20: {
|
|
this.stateInAttrValueSingleQuotes(c);
|
|
break;
|
|
}
|
|
case 18: {
|
|
this.stateBeforeAttrValue(c);
|
|
break;
|
|
}
|
|
case 8: {
|
|
this.stateBeforeClosingTagName(c);
|
|
break;
|
|
}
|
|
case 10: {
|
|
this.stateAfterClosingTagName(c);
|
|
break;
|
|
}
|
|
case 29: {
|
|
this.stateBeforeSpecialS(c);
|
|
break;
|
|
}
|
|
case 30: {
|
|
this.stateBeforeSpecialT(c);
|
|
break;
|
|
}
|
|
case 21: {
|
|
this.stateInAttrValueNoQuotes(c);
|
|
break;
|
|
}
|
|
case 7: {
|
|
this.stateInSelfClosingTag(c);
|
|
break;
|
|
}
|
|
case 23: {
|
|
this.stateInDeclaration(c);
|
|
break;
|
|
}
|
|
case 22: {
|
|
this.stateBeforeDeclaration(c);
|
|
break;
|
|
}
|
|
case 25: {
|
|
this.stateBeforeComment(c);
|
|
break;
|
|
}
|
|
case 24: {
|
|
this.stateInProcessingInstruction(c);
|
|
break;
|
|
}
|
|
case 33: {
|
|
this.stateInEntity();
|
|
break;
|
|
}
|
|
}
|
|
this.index++;
|
|
}
|
|
this.cleanup();
|
|
this.finish();
|
|
}
|
|
/**
|
|
* Remove data that has already been consumed from the buffer.
|
|
*/
|
|
cleanup() {
|
|
if (this.sectionStart !== this.index) {
|
|
if (this.state === 1 || this.state === 32 && this.sequenceIndex === 0) {
|
|
this.cbs.ontext(this.sectionStart, this.index);
|
|
this.sectionStart = this.index;
|
|
} else if (this.state === 19 || this.state === 20 || this.state === 21) {
|
|
this.cbs.onattribdata(this.sectionStart, this.index);
|
|
this.sectionStart = this.index;
|
|
}
|
|
}
|
|
}
|
|
finish() {
|
|
this.handleTrailingData();
|
|
this.cbs.onend();
|
|
}
|
|
/** Handle any trailing data. */
|
|
handleTrailingData() {
|
|
const endIndex = this.buffer.length;
|
|
if (this.sectionStart >= endIndex) {
|
|
return;
|
|
}
|
|
if (this.state === 28) {
|
|
if (this.currentSequence === Sequences.CdataEnd) {
|
|
this.cbs.oncdata(this.sectionStart, endIndex);
|
|
} else {
|
|
this.cbs.oncomment(this.sectionStart, endIndex);
|
|
}
|
|
} else if (this.state === 6 || this.state === 11 || this.state === 18 || this.state === 17 || this.state === 12 || this.state === 13 || this.state === 14 || this.state === 15 || this.state === 16 || this.state === 20 || this.state === 19 || this.state === 21 || this.state === 9) ; else {
|
|
this.cbs.ontext(this.sectionStart, endIndex);
|
|
}
|
|
}
|
|
emitCodePoint(cp, consumed) {
|
|
}
|
|
}
|
|
|
|
const CompilerDeprecationTypes = {
|
|
"COMPILER_IS_ON_ELEMENT": "COMPILER_IS_ON_ELEMENT",
|
|
"COMPILER_V_BIND_SYNC": "COMPILER_V_BIND_SYNC",
|
|
"COMPILER_V_BIND_OBJECT_ORDER": "COMPILER_V_BIND_OBJECT_ORDER",
|
|
"COMPILER_V_ON_NATIVE": "COMPILER_V_ON_NATIVE",
|
|
"COMPILER_V_IF_V_FOR_PRECEDENCE": "COMPILER_V_IF_V_FOR_PRECEDENCE",
|
|
"COMPILER_NATIVE_TEMPLATE": "COMPILER_NATIVE_TEMPLATE",
|
|
"COMPILER_INLINE_TEMPLATE": "COMPILER_INLINE_TEMPLATE",
|
|
"COMPILER_FILTERS": "COMPILER_FILTERS"
|
|
};
|
|
const deprecationData = {
|
|
["COMPILER_IS_ON_ELEMENT"]: {
|
|
message: `Platform-native elements with "is" prop will no longer be treated as components in Vue 3 unless the "is" value is explicitly prefixed with "vue:".`,
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/custom-elements-interop.html`
|
|
},
|
|
["COMPILER_V_BIND_SYNC"]: {
|
|
message: (key) => `.sync modifier for v-bind has been removed. Use v-model with argument instead. \`v-bind:${key}.sync\` should be changed to \`v-model:${key}\`.`,
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-model.html`
|
|
},
|
|
["COMPILER_V_BIND_OBJECT_ORDER"]: {
|
|
message: `v-bind="obj" usage is now order sensitive and behaves like JavaScript object spread: it will now overwrite an existing non-mergeable attribute that appears before v-bind in the case of conflict. To retain 2.x behavior, move v-bind to make it the first attribute. You can also suppress this warning if the usage is intended.`,
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-bind.html`
|
|
},
|
|
["COMPILER_V_ON_NATIVE"]: {
|
|
message: `.native modifier for v-on has been removed as is no longer necessary.`,
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-on-native-modifier-removed.html`
|
|
},
|
|
["COMPILER_V_IF_V_FOR_PRECEDENCE"]: {
|
|
message: `v-if / v-for precedence when used on the same element has changed in Vue 3: v-if now takes higher precedence and will no longer have access to v-for scope variables. It is best to avoid the ambiguity with <template> tags or use a computed property that filters v-for data source.`,
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/v-if-v-for.html`
|
|
},
|
|
["COMPILER_NATIVE_TEMPLATE"]: {
|
|
message: `<template> with no special directives will render as a native template element instead of its inner content in Vue 3.`
|
|
},
|
|
["COMPILER_INLINE_TEMPLATE"]: {
|
|
message: `"inline-template" has been removed in Vue 3.`,
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/inline-template-attribute.html`
|
|
},
|
|
["COMPILER_FILTERS"]: {
|
|
message: `filters have been removed in Vue 3. The "|" symbol will be treated as native JavaScript bitwise OR operator. Use method calls or computed properties instead.`,
|
|
link: `https://v3-migration.vuejs.org/breaking-changes/filters.html`
|
|
}
|
|
};
|
|
function getCompatValue(key, { compatConfig }) {
|
|
const value = compatConfig && compatConfig[key];
|
|
if (key === "MODE") {
|
|
return value || 3;
|
|
} else {
|
|
return value;
|
|
}
|
|
}
|
|
function isCompatEnabled(key, context) {
|
|
const mode = getCompatValue("MODE", context);
|
|
const value = getCompatValue(key, context);
|
|
return mode === 3 ? value === true : value !== false;
|
|
}
|
|
function checkCompatEnabled(key, context, loc, ...args) {
|
|
const enabled = isCompatEnabled(key, context);
|
|
if (enabled) {
|
|
warnDeprecation(key, context, loc, ...args);
|
|
}
|
|
return enabled;
|
|
}
|
|
function warnDeprecation(key, context, loc, ...args) {
|
|
const val = getCompatValue(key, context);
|
|
if (val === "suppress-warning") {
|
|
return;
|
|
}
|
|
const { message, link } = deprecationData[key];
|
|
const msg = `(deprecation ${key}) ${typeof message === "function" ? message(...args) : message}${link ? `
|
|
Details: ${link}` : ``}`;
|
|
const err = new SyntaxError(msg);
|
|
err.code = key;
|
|
if (loc) err.loc = loc;
|
|
context.onWarn(err);
|
|
}
|
|
|
|
function defaultOnError(error) {
|
|
throw error;
|
|
}
|
|
function defaultOnWarn(msg) {
|
|
console.warn(`[Vue warn] ${msg.message}`);
|
|
}
|
|
function createCompilerError(code, loc, messages, additionalMessage) {
|
|
const msg = (messages || errorMessages)[code] + (additionalMessage || ``) ;
|
|
const error = new SyntaxError(String(msg));
|
|
error.code = code;
|
|
error.loc = loc;
|
|
return error;
|
|
}
|
|
const ErrorCodes = {
|
|
"ABRUPT_CLOSING_OF_EMPTY_COMMENT": 0,
|
|
"0": "ABRUPT_CLOSING_OF_EMPTY_COMMENT",
|
|
"CDATA_IN_HTML_CONTENT": 1,
|
|
"1": "CDATA_IN_HTML_CONTENT",
|
|
"DUPLICATE_ATTRIBUTE": 2,
|
|
"2": "DUPLICATE_ATTRIBUTE",
|
|
"END_TAG_WITH_ATTRIBUTES": 3,
|
|
"3": "END_TAG_WITH_ATTRIBUTES",
|
|
"END_TAG_WITH_TRAILING_SOLIDUS": 4,
|
|
"4": "END_TAG_WITH_TRAILING_SOLIDUS",
|
|
"EOF_BEFORE_TAG_NAME": 5,
|
|
"5": "EOF_BEFORE_TAG_NAME",
|
|
"EOF_IN_CDATA": 6,
|
|
"6": "EOF_IN_CDATA",
|
|
"EOF_IN_COMMENT": 7,
|
|
"7": "EOF_IN_COMMENT",
|
|
"EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT": 8,
|
|
"8": "EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT",
|
|
"EOF_IN_TAG": 9,
|
|
"9": "EOF_IN_TAG",
|
|
"INCORRECTLY_CLOSED_COMMENT": 10,
|
|
"10": "INCORRECTLY_CLOSED_COMMENT",
|
|
"INCORRECTLY_OPENED_COMMENT": 11,
|
|
"11": "INCORRECTLY_OPENED_COMMENT",
|
|
"INVALID_FIRST_CHARACTER_OF_TAG_NAME": 12,
|
|
"12": "INVALID_FIRST_CHARACTER_OF_TAG_NAME",
|
|
"MISSING_ATTRIBUTE_VALUE": 13,
|
|
"13": "MISSING_ATTRIBUTE_VALUE",
|
|
"MISSING_END_TAG_NAME": 14,
|
|
"14": "MISSING_END_TAG_NAME",
|
|
"MISSING_WHITESPACE_BETWEEN_ATTRIBUTES": 15,
|
|
"15": "MISSING_WHITESPACE_BETWEEN_ATTRIBUTES",
|
|
"NESTED_COMMENT": 16,
|
|
"16": "NESTED_COMMENT",
|
|
"UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME": 17,
|
|
"17": "UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME",
|
|
"UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE": 18,
|
|
"18": "UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE",
|
|
"UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME": 19,
|
|
"19": "UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME",
|
|
"UNEXPECTED_NULL_CHARACTER": 20,
|
|
"20": "UNEXPECTED_NULL_CHARACTER",
|
|
"UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME": 21,
|
|
"21": "UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME",
|
|
"UNEXPECTED_SOLIDUS_IN_TAG": 22,
|
|
"22": "UNEXPECTED_SOLIDUS_IN_TAG",
|
|
"X_INVALID_END_TAG": 23,
|
|
"23": "X_INVALID_END_TAG",
|
|
"X_MISSING_END_TAG": 24,
|
|
"24": "X_MISSING_END_TAG",
|
|
"X_MISSING_INTERPOLATION_END": 25,
|
|
"25": "X_MISSING_INTERPOLATION_END",
|
|
"X_MISSING_DIRECTIVE_NAME": 26,
|
|
"26": "X_MISSING_DIRECTIVE_NAME",
|
|
"X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END": 27,
|
|
"27": "X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END",
|
|
"X_V_IF_NO_EXPRESSION": 28,
|
|
"28": "X_V_IF_NO_EXPRESSION",
|
|
"X_V_IF_SAME_KEY": 29,
|
|
"29": "X_V_IF_SAME_KEY",
|
|
"X_V_ELSE_NO_ADJACENT_IF": 30,
|
|
"30": "X_V_ELSE_NO_ADJACENT_IF",
|
|
"X_V_FOR_NO_EXPRESSION": 31,
|
|
"31": "X_V_FOR_NO_EXPRESSION",
|
|
"X_V_FOR_MALFORMED_EXPRESSION": 32,
|
|
"32": "X_V_FOR_MALFORMED_EXPRESSION",
|
|
"X_V_FOR_TEMPLATE_KEY_PLACEMENT": 33,
|
|
"33": "X_V_FOR_TEMPLATE_KEY_PLACEMENT",
|
|
"X_V_BIND_NO_EXPRESSION": 34,
|
|
"34": "X_V_BIND_NO_EXPRESSION",
|
|
"X_V_ON_NO_EXPRESSION": 35,
|
|
"35": "X_V_ON_NO_EXPRESSION",
|
|
"X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET": 36,
|
|
"36": "X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET",
|
|
"X_V_SLOT_MIXED_SLOT_USAGE": 37,
|
|
"37": "X_V_SLOT_MIXED_SLOT_USAGE",
|
|
"X_V_SLOT_DUPLICATE_SLOT_NAMES": 38,
|
|
"38": "X_V_SLOT_DUPLICATE_SLOT_NAMES",
|
|
"X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN": 39,
|
|
"39": "X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN",
|
|
"X_V_SLOT_MISPLACED": 40,
|
|
"40": "X_V_SLOT_MISPLACED",
|
|
"X_V_MODEL_NO_EXPRESSION": 41,
|
|
"41": "X_V_MODEL_NO_EXPRESSION",
|
|
"X_V_MODEL_MALFORMED_EXPRESSION": 42,
|
|
"42": "X_V_MODEL_MALFORMED_EXPRESSION",
|
|
"X_V_MODEL_ON_SCOPE_VARIABLE": 43,
|
|
"43": "X_V_MODEL_ON_SCOPE_VARIABLE",
|
|
"X_V_MODEL_ON_PROPS": 44,
|
|
"44": "X_V_MODEL_ON_PROPS",
|
|
"X_INVALID_EXPRESSION": 45,
|
|
"45": "X_INVALID_EXPRESSION",
|
|
"X_KEEP_ALIVE_INVALID_CHILDREN": 46,
|
|
"46": "X_KEEP_ALIVE_INVALID_CHILDREN",
|
|
"X_PREFIX_ID_NOT_SUPPORTED": 47,
|
|
"47": "X_PREFIX_ID_NOT_SUPPORTED",
|
|
"X_MODULE_MODE_NOT_SUPPORTED": 48,
|
|
"48": "X_MODULE_MODE_NOT_SUPPORTED",
|
|
"X_CACHE_HANDLER_NOT_SUPPORTED": 49,
|
|
"49": "X_CACHE_HANDLER_NOT_SUPPORTED",
|
|
"X_SCOPE_ID_NOT_SUPPORTED": 50,
|
|
"50": "X_SCOPE_ID_NOT_SUPPORTED",
|
|
"X_VNODE_HOOKS": 51,
|
|
"51": "X_VNODE_HOOKS",
|
|
"X_V_BIND_INVALID_SAME_NAME_ARGUMENT": 52,
|
|
"52": "X_V_BIND_INVALID_SAME_NAME_ARGUMENT",
|
|
"__EXTEND_POINT__": 53,
|
|
"53": "__EXTEND_POINT__"
|
|
};
|
|
const errorMessages = {
|
|
// parse errors
|
|
[0]: "Illegal comment.",
|
|
[1]: "CDATA section is allowed only in XML context.",
|
|
[2]: "Duplicate attribute.",
|
|
[3]: "End tag cannot have attributes.",
|
|
[4]: "Illegal '/' in tags.",
|
|
[5]: "Unexpected EOF in tag.",
|
|
[6]: "Unexpected EOF in CDATA section.",
|
|
[7]: "Unexpected EOF in comment.",
|
|
[8]: "Unexpected EOF in script.",
|
|
[9]: "Unexpected EOF in tag.",
|
|
[10]: "Incorrectly closed comment.",
|
|
[11]: "Incorrectly opened comment.",
|
|
[12]: "Illegal tag name. Use '<' to print '<'.",
|
|
[13]: "Attribute value was expected.",
|
|
[14]: "End tag name was expected.",
|
|
[15]: "Whitespace was expected.",
|
|
[16]: "Unexpected '<!--' in comment.",
|
|
[17]: `Attribute name cannot contain U+0022 ("), U+0027 ('), and U+003C (<).`,
|
|
[18]: "Unquoted attribute value cannot contain U+0022 (\"), U+0027 ('), U+003C (<), U+003D (=), and U+0060 (`).",
|
|
[19]: "Attribute name cannot start with '='.",
|
|
[21]: "'<?' is allowed only in XML context.",
|
|
[20]: `Unexpected null character.`,
|
|
[22]: "Illegal '/' in tags.",
|
|
// Vue-specific parse errors
|
|
[23]: "Invalid end tag.",
|
|
[24]: "Element is missing end tag.",
|
|
[25]: "Interpolation end sign was not found.",
|
|
[27]: "End bracket for dynamic directive argument was not found. Note that dynamic directive argument cannot contain spaces.",
|
|
[26]: "Legal directive name was expected.",
|
|
// transform errors
|
|
[28]: `v-if/v-else-if is missing expression.`,
|
|
[29]: `v-if/else branches must use unique keys.`,
|
|
[30]: `v-else/v-else-if has no adjacent v-if or v-else-if.`,
|
|
[31]: `v-for is missing expression.`,
|
|
[32]: `v-for has invalid expression.`,
|
|
[33]: `<template v-for> key should be placed on the <template> tag.`,
|
|
[34]: `v-bind is missing expression.`,
|
|
[52]: `v-bind with same-name shorthand only allows static argument.`,
|
|
[35]: `v-on is missing expression.`,
|
|
[36]: `Unexpected custom directive on <slot> outlet.`,
|
|
[37]: `Mixed v-slot usage on both the component and nested <template>. When there are multiple named slots, all slots should use <template> syntax to avoid scope ambiguity.`,
|
|
[38]: `Duplicate slot names found. `,
|
|
[39]: `Extraneous children found when component already has explicitly named default slot. These children will be ignored.`,
|
|
[40]: `v-slot can only be used on components or <template> tags.`,
|
|
[41]: `v-model is missing expression.`,
|
|
[42]: `v-model value must be a valid JavaScript member expression.`,
|
|
[43]: `v-model cannot be used on v-for or v-slot scope variables because they are not writable.`,
|
|
[44]: `v-model cannot be used on a prop, because local prop bindings are not writable.
|
|
Use a v-bind binding combined with a v-on listener that emits update:x event instead.`,
|
|
[45]: `Error parsing JavaScript expression: `,
|
|
[46]: `<KeepAlive> expects exactly one child component.`,
|
|
[51]: `@vnode-* hooks in templates are no longer supported. Use the vue: prefix instead. For example, @vnode-mounted should be changed to @vue:mounted. @vnode-* hooks support has been removed in 3.4.`,
|
|
// generic errors
|
|
[47]: `"prefixIdentifiers" option is not supported in this build of compiler.`,
|
|
[48]: `ES module mode is not supported in this build of compiler.`,
|
|
[49]: `"cacheHandlers" option is only supported when the "prefixIdentifiers" option is enabled.`,
|
|
[50]: `"scopeId" option is only supported in module mode.`,
|
|
// just to fulfill types
|
|
[53]: ``
|
|
};
|
|
|
|
function walkIdentifiers(root, onIdentifier, includeAll = false, parentStack = [], knownIds = /* @__PURE__ */ Object.create(null)) {
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
function isReferencedIdentifier(id, parent, parentStack) {
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
function isInDestructureAssignment(parent, parentStack) {
|
|
if (parent && (parent.type === "ObjectProperty" || parent.type === "ArrayPattern")) {
|
|
let i = parentStack.length;
|
|
while (i--) {
|
|
const p = parentStack[i];
|
|
if (p.type === "AssignmentExpression") {
|
|
return true;
|
|
} else if (p.type !== "ObjectProperty" && !p.type.endsWith("Pattern")) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function isInNewExpression(parentStack) {
|
|
let i = parentStack.length;
|
|
while (i--) {
|
|
const p = parentStack[i];
|
|
if (p.type === "NewExpression") {
|
|
return true;
|
|
} else if (p.type !== "MemberExpression") {
|
|
break;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function walkFunctionParams(node, onIdent) {
|
|
for (const p of node.params) {
|
|
for (const id of extractIdentifiers(p)) {
|
|
onIdent(id);
|
|
}
|
|
}
|
|
}
|
|
function walkBlockDeclarations(block, onIdent) {
|
|
for (const stmt of block.body) {
|
|
if (stmt.type === "VariableDeclaration") {
|
|
if (stmt.declare) continue;
|
|
for (const decl of stmt.declarations) {
|
|
for (const id of extractIdentifiers(decl.id)) {
|
|
onIdent(id);
|
|
}
|
|
}
|
|
} else if (stmt.type === "FunctionDeclaration" || stmt.type === "ClassDeclaration") {
|
|
if (stmt.declare || !stmt.id) continue;
|
|
onIdent(stmt.id);
|
|
} else if (isForStatement(stmt)) {
|
|
walkForStatement(stmt, true, onIdent);
|
|
}
|
|
}
|
|
}
|
|
function isForStatement(stmt) {
|
|
return stmt.type === "ForOfStatement" || stmt.type === "ForInStatement" || stmt.type === "ForStatement";
|
|
}
|
|
function walkForStatement(stmt, isVar, onIdent) {
|
|
const variable = stmt.type === "ForStatement" ? stmt.init : stmt.left;
|
|
if (variable && variable.type === "VariableDeclaration" && (variable.kind === "var" ? isVar : !isVar)) {
|
|
for (const decl of variable.declarations) {
|
|
for (const id of extractIdentifiers(decl.id)) {
|
|
onIdent(id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
function extractIdentifiers(param, nodes = []) {
|
|
switch (param.type) {
|
|
case "Identifier":
|
|
nodes.push(param);
|
|
break;
|
|
case "MemberExpression":
|
|
let object = param;
|
|
while (object.type === "MemberExpression") {
|
|
object = object.object;
|
|
}
|
|
nodes.push(object);
|
|
break;
|
|
case "ObjectPattern":
|
|
for (const prop of param.properties) {
|
|
if (prop.type === "RestElement") {
|
|
extractIdentifiers(prop.argument, nodes);
|
|
} else {
|
|
extractIdentifiers(prop.value, nodes);
|
|
}
|
|
}
|
|
break;
|
|
case "ArrayPattern":
|
|
param.elements.forEach((element) => {
|
|
if (element) extractIdentifiers(element, nodes);
|
|
});
|
|
break;
|
|
case "RestElement":
|
|
extractIdentifiers(param.argument, nodes);
|
|
break;
|
|
case "AssignmentPattern":
|
|
extractIdentifiers(param.left, nodes);
|
|
break;
|
|
}
|
|
return nodes;
|
|
}
|
|
const isFunctionType = (node) => {
|
|
return /Function(?:Expression|Declaration)$|Method$/.test(node.type);
|
|
};
|
|
const isStaticProperty = (node) => node && (node.type === "ObjectProperty" || node.type === "ObjectMethod") && !node.computed;
|
|
const isStaticPropertyKey = (node, parent) => isStaticProperty(parent) && parent.key === node;
|
|
const TS_NODE_TYPES = [
|
|
"TSAsExpression",
|
|
// foo as number
|
|
"TSTypeAssertion",
|
|
// (<number>foo)
|
|
"TSNonNullExpression",
|
|
// foo!
|
|
"TSInstantiationExpression",
|
|
// foo<string>
|
|
"TSSatisfiesExpression"
|
|
// foo satisfies T
|
|
];
|
|
function unwrapTSNode(node) {
|
|
if (TS_NODE_TYPES.includes(node.type)) {
|
|
return unwrapTSNode(node.expression);
|
|
} else {
|
|
return node;
|
|
}
|
|
}
|
|
|
|
const isStaticExp = (p) => p.type === 4 && p.isStatic;
|
|
function isCoreComponent(tag) {
|
|
switch (tag) {
|
|
case "Teleport":
|
|
case "teleport":
|
|
return TELEPORT;
|
|
case "Suspense":
|
|
case "suspense":
|
|
return SUSPENSE;
|
|
case "KeepAlive":
|
|
case "keep-alive":
|
|
return KEEP_ALIVE;
|
|
case "BaseTransition":
|
|
case "base-transition":
|
|
return BASE_TRANSITION;
|
|
}
|
|
}
|
|
const nonIdentifierRE = /^$|^\d|[^\$\w\xA0-\uFFFF]/;
|
|
const isSimpleIdentifier = (name) => !nonIdentifierRE.test(name);
|
|
const validFirstIdentCharRE = /[A-Za-z_$\xA0-\uFFFF]/;
|
|
const validIdentCharRE = /[\.\?\w$\xA0-\uFFFF]/;
|
|
const whitespaceRE = /\s+[.[]\s*|\s*[.[]\s+/g;
|
|
const getExpSource = (exp) => exp.type === 4 ? exp.content : exp.loc.source;
|
|
const isMemberExpressionBrowser = (exp) => {
|
|
const path = getExpSource(exp).trim().replace(whitespaceRE, (s) => s.trim());
|
|
let state = 0 /* inMemberExp */;
|
|
let stateStack = [];
|
|
let currentOpenBracketCount = 0;
|
|
let currentOpenParensCount = 0;
|
|
let currentStringType = null;
|
|
for (let i = 0; i < path.length; i++) {
|
|
const char = path.charAt(i);
|
|
switch (state) {
|
|
case 0 /* inMemberExp */:
|
|
if (char === "[") {
|
|
stateStack.push(state);
|
|
state = 1 /* inBrackets */;
|
|
currentOpenBracketCount++;
|
|
} else if (char === "(") {
|
|
stateStack.push(state);
|
|
state = 2 /* inParens */;
|
|
currentOpenParensCount++;
|
|
} else if (!(i === 0 ? validFirstIdentCharRE : validIdentCharRE).test(char)) {
|
|
return false;
|
|
}
|
|
break;
|
|
case 1 /* inBrackets */:
|
|
if (char === `'` || char === `"` || char === "`") {
|
|
stateStack.push(state);
|
|
state = 3 /* inString */;
|
|
currentStringType = char;
|
|
} else if (char === `[`) {
|
|
currentOpenBracketCount++;
|
|
} else if (char === `]`) {
|
|
if (!--currentOpenBracketCount) {
|
|
state = stateStack.pop();
|
|
}
|
|
}
|
|
break;
|
|
case 2 /* inParens */:
|
|
if (char === `'` || char === `"` || char === "`") {
|
|
stateStack.push(state);
|
|
state = 3 /* inString */;
|
|
currentStringType = char;
|
|
} else if (char === `(`) {
|
|
currentOpenParensCount++;
|
|
} else if (char === `)`) {
|
|
if (i === path.length - 1) {
|
|
return false;
|
|
}
|
|
if (!--currentOpenParensCount) {
|
|
state = stateStack.pop();
|
|
}
|
|
}
|
|
break;
|
|
case 3 /* inString */:
|
|
if (char === currentStringType) {
|
|
state = stateStack.pop();
|
|
currentStringType = null;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return !currentOpenBracketCount && !currentOpenParensCount;
|
|
};
|
|
const isMemberExpressionNode = NOOP ;
|
|
const isMemberExpression = isMemberExpressionBrowser ;
|
|
const fnExpRE = /^\s*(?:async\s*)?(?:\([^)]*?\)|[\w$_]+)\s*(?::[^=]+)?=>|^\s*(?:async\s+)?function(?:\s+[\w$]+)?\s*\(/;
|
|
const isFnExpressionBrowser = (exp) => fnExpRE.test(getExpSource(exp));
|
|
const isFnExpressionNode = NOOP ;
|
|
const isFnExpression = isFnExpressionBrowser ;
|
|
function advancePositionWithClone(pos, source, numberOfCharacters = source.length) {
|
|
return advancePositionWithMutation(
|
|
{
|
|
offset: pos.offset,
|
|
line: pos.line,
|
|
column: pos.column
|
|
},
|
|
source,
|
|
numberOfCharacters
|
|
);
|
|
}
|
|
function advancePositionWithMutation(pos, source, numberOfCharacters = source.length) {
|
|
let linesCount = 0;
|
|
let lastNewLinePos = -1;
|
|
for (let i = 0; i < numberOfCharacters; i++) {
|
|
if (source.charCodeAt(i) === 10) {
|
|
linesCount++;
|
|
lastNewLinePos = i;
|
|
}
|
|
}
|
|
pos.offset += numberOfCharacters;
|
|
pos.line += linesCount;
|
|
pos.column = lastNewLinePos === -1 ? pos.column + numberOfCharacters : numberOfCharacters - lastNewLinePos;
|
|
return pos;
|
|
}
|
|
function assert(condition, msg) {
|
|
if (!condition) {
|
|
throw new Error(msg || `unexpected compiler condition`);
|
|
}
|
|
}
|
|
function findDir(node, name, allowEmpty = false) {
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const p = node.props[i];
|
|
if (p.type === 7 && (allowEmpty || p.exp) && (isString(name) ? p.name === name : name.test(p.name))) {
|
|
return p;
|
|
}
|
|
}
|
|
}
|
|
function findProp(node, name, dynamicOnly = false, allowEmpty = false) {
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const p = node.props[i];
|
|
if (p.type === 6) {
|
|
if (dynamicOnly) continue;
|
|
if (p.name === name && (p.value || allowEmpty)) {
|
|
return p;
|
|
}
|
|
} else if (p.name === "bind" && (p.exp || allowEmpty) && isStaticArgOf(p.arg, name)) {
|
|
return p;
|
|
}
|
|
}
|
|
}
|
|
function isStaticArgOf(arg, name) {
|
|
return !!(arg && isStaticExp(arg) && arg.content === name);
|
|
}
|
|
function hasDynamicKeyVBind(node) {
|
|
return node.props.some(
|
|
(p) => p.type === 7 && p.name === "bind" && (!p.arg || // v-bind="obj"
|
|
p.arg.type !== 4 || // v-bind:[_ctx.foo]
|
|
!p.arg.isStatic)
|
|
// v-bind:[foo]
|
|
);
|
|
}
|
|
function isText$1(node) {
|
|
return node.type === 5 || node.type === 2;
|
|
}
|
|
function isVPre(p) {
|
|
return p.type === 7 && p.name === "pre";
|
|
}
|
|
function isVSlot(p) {
|
|
return p.type === 7 && p.name === "slot";
|
|
}
|
|
function isTemplateNode(node) {
|
|
return node.type === 1 && node.tagType === 3;
|
|
}
|
|
function isSlotOutlet(node) {
|
|
return node.type === 1 && node.tagType === 2;
|
|
}
|
|
const propsHelperSet = /* @__PURE__ */ new Set([NORMALIZE_PROPS, GUARD_REACTIVE_PROPS]);
|
|
function getUnnormalizedProps(props, callPath = []) {
|
|
if (props && !isString(props) && props.type === 14) {
|
|
const callee = props.callee;
|
|
if (!isString(callee) && propsHelperSet.has(callee)) {
|
|
return getUnnormalizedProps(
|
|
props.arguments[0],
|
|
callPath.concat(props)
|
|
);
|
|
}
|
|
}
|
|
return [props, callPath];
|
|
}
|
|
function injectProp(node, prop, context) {
|
|
let propsWithInjection;
|
|
let props = node.type === 13 ? node.props : node.arguments[2];
|
|
let callPath = [];
|
|
let parentCall;
|
|
if (props && !isString(props) && props.type === 14) {
|
|
const ret = getUnnormalizedProps(props);
|
|
props = ret[0];
|
|
callPath = ret[1];
|
|
parentCall = callPath[callPath.length - 1];
|
|
}
|
|
if (props == null || isString(props)) {
|
|
propsWithInjection = createObjectExpression([prop]);
|
|
} else if (props.type === 14) {
|
|
const first = props.arguments[0];
|
|
if (!isString(first) && first.type === 15) {
|
|
if (!hasProp(prop, first)) {
|
|
first.properties.unshift(prop);
|
|
}
|
|
} else {
|
|
if (props.callee === TO_HANDLERS) {
|
|
propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
|
|
createObjectExpression([prop]),
|
|
props
|
|
]);
|
|
} else {
|
|
props.arguments.unshift(createObjectExpression([prop]));
|
|
}
|
|
}
|
|
!propsWithInjection && (propsWithInjection = props);
|
|
} else if (props.type === 15) {
|
|
if (!hasProp(prop, props)) {
|
|
props.properties.unshift(prop);
|
|
}
|
|
propsWithInjection = props;
|
|
} else {
|
|
propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
|
|
createObjectExpression([prop]),
|
|
props
|
|
]);
|
|
if (parentCall && parentCall.callee === GUARD_REACTIVE_PROPS) {
|
|
parentCall = callPath[callPath.length - 2];
|
|
}
|
|
}
|
|
if (node.type === 13) {
|
|
if (parentCall) {
|
|
parentCall.arguments[0] = propsWithInjection;
|
|
} else {
|
|
node.props = propsWithInjection;
|
|
}
|
|
} else {
|
|
if (parentCall) {
|
|
parentCall.arguments[0] = propsWithInjection;
|
|
} else {
|
|
node.arguments[2] = propsWithInjection;
|
|
}
|
|
}
|
|
}
|
|
function hasProp(prop, props) {
|
|
let result = false;
|
|
if (prop.key.type === 4) {
|
|
const propKeyName = prop.key.content;
|
|
result = props.properties.some(
|
|
(p) => p.key.type === 4 && p.key.content === propKeyName
|
|
);
|
|
}
|
|
return result;
|
|
}
|
|
function toValidAssetId(name, type) {
|
|
return `_${type}_${name.replace(/[^\w]/g, (searchValue, replaceValue) => {
|
|
return searchValue === "-" ? "_" : name.charCodeAt(replaceValue).toString();
|
|
})}`;
|
|
}
|
|
function hasScopeRef(node, ids) {
|
|
if (!node || Object.keys(ids).length === 0) {
|
|
return false;
|
|
}
|
|
switch (node.type) {
|
|
case 1:
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const p = node.props[i];
|
|
if (p.type === 7 && (hasScopeRef(p.arg, ids) || hasScopeRef(p.exp, ids))) {
|
|
return true;
|
|
}
|
|
}
|
|
return node.children.some((c) => hasScopeRef(c, ids));
|
|
case 11:
|
|
if (hasScopeRef(node.source, ids)) {
|
|
return true;
|
|
}
|
|
return node.children.some((c) => hasScopeRef(c, ids));
|
|
case 9:
|
|
return node.branches.some((b) => hasScopeRef(b, ids));
|
|
case 10:
|
|
if (hasScopeRef(node.condition, ids)) {
|
|
return true;
|
|
}
|
|
return node.children.some((c) => hasScopeRef(c, ids));
|
|
case 4:
|
|
return !node.isStatic && isSimpleIdentifier(node.content) && !!ids[node.content];
|
|
case 8:
|
|
return node.children.some((c) => isObject(c) && hasScopeRef(c, ids));
|
|
case 5:
|
|
case 12:
|
|
return hasScopeRef(node.content, ids);
|
|
case 2:
|
|
case 3:
|
|
case 20:
|
|
return false;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
function getMemoedVNodeCall(node) {
|
|
if (node.type === 14 && node.callee === WITH_MEMO) {
|
|
return node.arguments[1].returns;
|
|
} else {
|
|
return node;
|
|
}
|
|
}
|
|
const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+(\S[\s\S]*)/;
|
|
|
|
const defaultParserOptions = {
|
|
parseMode: "base",
|
|
ns: 0,
|
|
delimiters: [`{{`, `}}`],
|
|
getNamespace: () => 0,
|
|
isVoidTag: NO,
|
|
isPreTag: NO,
|
|
isIgnoreNewlineTag: NO,
|
|
isCustomElement: NO,
|
|
onError: defaultOnError,
|
|
onWarn: defaultOnWarn,
|
|
comments: true,
|
|
prefixIdentifiers: false
|
|
};
|
|
let currentOptions = defaultParserOptions;
|
|
let currentRoot = null;
|
|
let currentInput = "";
|
|
let currentOpenTag = null;
|
|
let currentProp = null;
|
|
let currentAttrValue = "";
|
|
let currentAttrStartIndex = -1;
|
|
let currentAttrEndIndex = -1;
|
|
let inPre = 0;
|
|
let inVPre = false;
|
|
let currentVPreBoundary = null;
|
|
const stack = [];
|
|
const tokenizer = new Tokenizer(stack, {
|
|
onerr: emitError,
|
|
ontext(start, end) {
|
|
onText(getSlice(start, end), start, end);
|
|
},
|
|
ontextentity(char, start, end) {
|
|
onText(char, start, end);
|
|
},
|
|
oninterpolation(start, end) {
|
|
if (inVPre) {
|
|
return onText(getSlice(start, end), start, end);
|
|
}
|
|
let innerStart = start + tokenizer.delimiterOpen.length;
|
|
let innerEnd = end - tokenizer.delimiterClose.length;
|
|
while (isWhitespace(currentInput.charCodeAt(innerStart))) {
|
|
innerStart++;
|
|
}
|
|
while (isWhitespace(currentInput.charCodeAt(innerEnd - 1))) {
|
|
innerEnd--;
|
|
}
|
|
let exp = getSlice(innerStart, innerEnd);
|
|
if (exp.includes("&")) {
|
|
{
|
|
exp = currentOptions.decodeEntities(exp, false);
|
|
}
|
|
}
|
|
addNode({
|
|
type: 5,
|
|
content: createExp(exp, false, getLoc(innerStart, innerEnd)),
|
|
loc: getLoc(start, end)
|
|
});
|
|
},
|
|
onopentagname(start, end) {
|
|
const name = getSlice(start, end);
|
|
currentOpenTag = {
|
|
type: 1,
|
|
tag: name,
|
|
ns: currentOptions.getNamespace(name, stack[0], currentOptions.ns),
|
|
tagType: 0,
|
|
// will be refined on tag close
|
|
props: [],
|
|
children: [],
|
|
loc: getLoc(start - 1, end),
|
|
codegenNode: void 0
|
|
};
|
|
},
|
|
onopentagend(end) {
|
|
endOpenTag(end);
|
|
},
|
|
onclosetag(start, end) {
|
|
const name = getSlice(start, end);
|
|
if (!currentOptions.isVoidTag(name)) {
|
|
let found = false;
|
|
for (let i = 0; i < stack.length; i++) {
|
|
const e = stack[i];
|
|
if (e.tag.toLowerCase() === name.toLowerCase()) {
|
|
found = true;
|
|
if (i > 0) {
|
|
emitError(24, stack[0].loc.start.offset);
|
|
}
|
|
for (let j = 0; j <= i; j++) {
|
|
const el = stack.shift();
|
|
onCloseTag(el, end, j < i);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
emitError(23, backTrack(start, 60));
|
|
}
|
|
}
|
|
},
|
|
onselfclosingtag(end) {
|
|
const name = currentOpenTag.tag;
|
|
currentOpenTag.isSelfClosing = true;
|
|
endOpenTag(end);
|
|
if (stack[0] && stack[0].tag === name) {
|
|
onCloseTag(stack.shift(), end);
|
|
}
|
|
},
|
|
onattribname(start, end) {
|
|
currentProp = {
|
|
type: 6,
|
|
name: getSlice(start, end),
|
|
nameLoc: getLoc(start, end),
|
|
value: void 0,
|
|
loc: getLoc(start)
|
|
};
|
|
},
|
|
ondirname(start, end) {
|
|
const raw = getSlice(start, end);
|
|
const name = raw === "." || raw === ":" ? "bind" : raw === "@" ? "on" : raw === "#" ? "slot" : raw.slice(2);
|
|
if (!inVPre && name === "") {
|
|
emitError(26, start);
|
|
}
|
|
if (inVPre || name === "") {
|
|
currentProp = {
|
|
type: 6,
|
|
name: raw,
|
|
nameLoc: getLoc(start, end),
|
|
value: void 0,
|
|
loc: getLoc(start)
|
|
};
|
|
} else {
|
|
currentProp = {
|
|
type: 7,
|
|
name,
|
|
rawName: raw,
|
|
exp: void 0,
|
|
arg: void 0,
|
|
modifiers: raw === "." ? [createSimpleExpression("prop")] : [],
|
|
loc: getLoc(start)
|
|
};
|
|
if (name === "pre") {
|
|
inVPre = tokenizer.inVPre = true;
|
|
currentVPreBoundary = currentOpenTag;
|
|
const props = currentOpenTag.props;
|
|
for (let i = 0; i < props.length; i++) {
|
|
if (props[i].type === 7) {
|
|
props[i] = dirToAttr(props[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
ondirarg(start, end) {
|
|
if (start === end) return;
|
|
const arg = getSlice(start, end);
|
|
if (inVPre && !isVPre(currentProp)) {
|
|
currentProp.name += arg;
|
|
setLocEnd(currentProp.nameLoc, end);
|
|
} else {
|
|
const isStatic = arg[0] !== `[`;
|
|
currentProp.arg = createExp(
|
|
isStatic ? arg : arg.slice(1, -1),
|
|
isStatic,
|
|
getLoc(start, end),
|
|
isStatic ? 3 : 0
|
|
);
|
|
}
|
|
},
|
|
ondirmodifier(start, end) {
|
|
const mod = getSlice(start, end);
|
|
if (inVPre && !isVPre(currentProp)) {
|
|
currentProp.name += "." + mod;
|
|
setLocEnd(currentProp.nameLoc, end);
|
|
} else if (currentProp.name === "slot") {
|
|
const arg = currentProp.arg;
|
|
if (arg) {
|
|
arg.content += "." + mod;
|
|
setLocEnd(arg.loc, end);
|
|
}
|
|
} else {
|
|
const exp = createSimpleExpression(mod, true, getLoc(start, end));
|
|
currentProp.modifiers.push(exp);
|
|
}
|
|
},
|
|
onattribdata(start, end) {
|
|
currentAttrValue += getSlice(start, end);
|
|
if (currentAttrStartIndex < 0) currentAttrStartIndex = start;
|
|
currentAttrEndIndex = end;
|
|
},
|
|
onattribentity(char, start, end) {
|
|
currentAttrValue += char;
|
|
if (currentAttrStartIndex < 0) currentAttrStartIndex = start;
|
|
currentAttrEndIndex = end;
|
|
},
|
|
onattribnameend(end) {
|
|
const start = currentProp.loc.start.offset;
|
|
const name = getSlice(start, end);
|
|
if (currentProp.type === 7) {
|
|
currentProp.rawName = name;
|
|
}
|
|
if (currentOpenTag.props.some(
|
|
(p) => (p.type === 7 ? p.rawName : p.name) === name
|
|
)) {
|
|
emitError(2, start);
|
|
}
|
|
},
|
|
onattribend(quote, end) {
|
|
if (currentOpenTag && currentProp) {
|
|
setLocEnd(currentProp.loc, end);
|
|
if (quote !== 0) {
|
|
if (currentAttrValue.includes("&")) {
|
|
currentAttrValue = currentOptions.decodeEntities(
|
|
currentAttrValue,
|
|
true
|
|
);
|
|
}
|
|
if (currentProp.type === 6) {
|
|
if (currentProp.name === "class") {
|
|
currentAttrValue = condense(currentAttrValue).trim();
|
|
}
|
|
if (quote === 1 && !currentAttrValue) {
|
|
emitError(13, end);
|
|
}
|
|
currentProp.value = {
|
|
type: 2,
|
|
content: currentAttrValue,
|
|
loc: quote === 1 ? getLoc(currentAttrStartIndex, currentAttrEndIndex) : getLoc(currentAttrStartIndex - 1, currentAttrEndIndex + 1)
|
|
};
|
|
if (tokenizer.inSFCRoot && currentOpenTag.tag === "template" && currentProp.name === "lang" && currentAttrValue && currentAttrValue !== "html") {
|
|
tokenizer.enterRCDATA(toCharCodes(`</template`), 0);
|
|
}
|
|
} else {
|
|
let expParseMode = 0 /* Normal */;
|
|
currentProp.exp = createExp(
|
|
currentAttrValue,
|
|
false,
|
|
getLoc(currentAttrStartIndex, currentAttrEndIndex),
|
|
0,
|
|
expParseMode
|
|
);
|
|
if (currentProp.name === "for") {
|
|
currentProp.forParseResult = parseForExpression(currentProp.exp);
|
|
}
|
|
let syncIndex = -1;
|
|
if (currentProp.name === "bind" && (syncIndex = currentProp.modifiers.findIndex(
|
|
(mod) => mod.content === "sync"
|
|
)) > -1 && checkCompatEnabled(
|
|
"COMPILER_V_BIND_SYNC",
|
|
currentOptions,
|
|
currentProp.loc,
|
|
currentProp.arg.loc.source
|
|
)) {
|
|
currentProp.name = "model";
|
|
currentProp.modifiers.splice(syncIndex, 1);
|
|
}
|
|
}
|
|
}
|
|
if (currentProp.type !== 7 || currentProp.name !== "pre") {
|
|
currentOpenTag.props.push(currentProp);
|
|
}
|
|
}
|
|
currentAttrValue = "";
|
|
currentAttrStartIndex = currentAttrEndIndex = -1;
|
|
},
|
|
oncomment(start, end) {
|
|
if (currentOptions.comments) {
|
|
addNode({
|
|
type: 3,
|
|
content: getSlice(start, end),
|
|
loc: getLoc(start - 4, end + 3)
|
|
});
|
|
}
|
|
},
|
|
onend() {
|
|
const end = currentInput.length;
|
|
if (tokenizer.state !== 1) {
|
|
switch (tokenizer.state) {
|
|
case 5:
|
|
case 8:
|
|
emitError(5, end);
|
|
break;
|
|
case 3:
|
|
case 4:
|
|
emitError(
|
|
25,
|
|
tokenizer.sectionStart
|
|
);
|
|
break;
|
|
case 28:
|
|
if (tokenizer.currentSequence === Sequences.CdataEnd) {
|
|
emitError(6, end);
|
|
} else {
|
|
emitError(7, end);
|
|
}
|
|
break;
|
|
case 6:
|
|
case 7:
|
|
case 9:
|
|
case 11:
|
|
case 12:
|
|
case 13:
|
|
case 14:
|
|
case 15:
|
|
case 16:
|
|
case 17:
|
|
case 18:
|
|
case 19:
|
|
// "
|
|
case 20:
|
|
// '
|
|
case 21:
|
|
emitError(9, end);
|
|
break;
|
|
}
|
|
}
|
|
for (let index = 0; index < stack.length; index++) {
|
|
onCloseTag(stack[index], end - 1);
|
|
emitError(24, stack[index].loc.start.offset);
|
|
}
|
|
},
|
|
oncdata(start, end) {
|
|
if (stack[0].ns !== 0) {
|
|
onText(getSlice(start, end), start, end);
|
|
} else {
|
|
emitError(1, start - 9);
|
|
}
|
|
},
|
|
onprocessinginstruction(start) {
|
|
if ((stack[0] ? stack[0].ns : currentOptions.ns) === 0) {
|
|
emitError(
|
|
21,
|
|
start - 1
|
|
);
|
|
}
|
|
}
|
|
});
|
|
const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
|
|
const stripParensRE = /^\(|\)$/g;
|
|
function parseForExpression(input) {
|
|
const loc = input.loc;
|
|
const exp = input.content;
|
|
const inMatch = exp.match(forAliasRE);
|
|
if (!inMatch) return;
|
|
const [, LHS, RHS] = inMatch;
|
|
const createAliasExpression = (content, offset, asParam = false) => {
|
|
const start = loc.start.offset + offset;
|
|
const end = start + content.length;
|
|
return createExp(
|
|
content,
|
|
false,
|
|
getLoc(start, end),
|
|
0,
|
|
asParam ? 1 /* Params */ : 0 /* Normal */
|
|
);
|
|
};
|
|
const result = {
|
|
source: createAliasExpression(RHS.trim(), exp.indexOf(RHS, LHS.length)),
|
|
value: void 0,
|
|
key: void 0,
|
|
index: void 0,
|
|
finalized: false
|
|
};
|
|
let valueContent = LHS.trim().replace(stripParensRE, "").trim();
|
|
const trimmedOffset = LHS.indexOf(valueContent);
|
|
const iteratorMatch = valueContent.match(forIteratorRE);
|
|
if (iteratorMatch) {
|
|
valueContent = valueContent.replace(forIteratorRE, "").trim();
|
|
const keyContent = iteratorMatch[1].trim();
|
|
let keyOffset;
|
|
if (keyContent) {
|
|
keyOffset = exp.indexOf(keyContent, trimmedOffset + valueContent.length);
|
|
result.key = createAliasExpression(keyContent, keyOffset, true);
|
|
}
|
|
if (iteratorMatch[2]) {
|
|
const indexContent = iteratorMatch[2].trim();
|
|
if (indexContent) {
|
|
result.index = createAliasExpression(
|
|
indexContent,
|
|
exp.indexOf(
|
|
indexContent,
|
|
result.key ? keyOffset + keyContent.length : trimmedOffset + valueContent.length
|
|
),
|
|
true
|
|
);
|
|
}
|
|
}
|
|
}
|
|
if (valueContent) {
|
|
result.value = createAliasExpression(valueContent, trimmedOffset, true);
|
|
}
|
|
return result;
|
|
}
|
|
function getSlice(start, end) {
|
|
return currentInput.slice(start, end);
|
|
}
|
|
function endOpenTag(end) {
|
|
if (tokenizer.inSFCRoot) {
|
|
currentOpenTag.innerLoc = getLoc(end + 1, end + 1);
|
|
}
|
|
addNode(currentOpenTag);
|
|
const { tag, ns } = currentOpenTag;
|
|
if (ns === 0 && currentOptions.isPreTag(tag)) {
|
|
inPre++;
|
|
}
|
|
if (currentOptions.isVoidTag(tag)) {
|
|
onCloseTag(currentOpenTag, end);
|
|
} else {
|
|
stack.unshift(currentOpenTag);
|
|
if (ns === 1 || ns === 2) {
|
|
tokenizer.inXML = true;
|
|
}
|
|
}
|
|
currentOpenTag = null;
|
|
}
|
|
function onText(content, start, end) {
|
|
{
|
|
const tag = stack[0] && stack[0].tag;
|
|
if (tag !== "script" && tag !== "style" && content.includes("&")) {
|
|
content = currentOptions.decodeEntities(content, false);
|
|
}
|
|
}
|
|
const parent = stack[0] || currentRoot;
|
|
const lastNode = parent.children[parent.children.length - 1];
|
|
if (lastNode && lastNode.type === 2) {
|
|
lastNode.content += content;
|
|
setLocEnd(lastNode.loc, end);
|
|
} else {
|
|
parent.children.push({
|
|
type: 2,
|
|
content,
|
|
loc: getLoc(start, end)
|
|
});
|
|
}
|
|
}
|
|
function onCloseTag(el, end, isImplied = false) {
|
|
if (isImplied) {
|
|
setLocEnd(el.loc, backTrack(end, 60));
|
|
} else {
|
|
setLocEnd(el.loc, lookAhead(end, 62) + 1);
|
|
}
|
|
if (tokenizer.inSFCRoot) {
|
|
if (el.children.length) {
|
|
el.innerLoc.end = extend({}, el.children[el.children.length - 1].loc.end);
|
|
} else {
|
|
el.innerLoc.end = extend({}, el.innerLoc.start);
|
|
}
|
|
el.innerLoc.source = getSlice(
|
|
el.innerLoc.start.offset,
|
|
el.innerLoc.end.offset
|
|
);
|
|
}
|
|
const { tag, ns, children } = el;
|
|
if (!inVPre) {
|
|
if (tag === "slot") {
|
|
el.tagType = 2;
|
|
} else if (isFragmentTemplate(el)) {
|
|
el.tagType = 3;
|
|
} else if (isComponent(el)) {
|
|
el.tagType = 1;
|
|
}
|
|
}
|
|
if (!tokenizer.inRCDATA) {
|
|
el.children = condenseWhitespace(children);
|
|
}
|
|
if (ns === 0 && currentOptions.isIgnoreNewlineTag(tag)) {
|
|
const first = children[0];
|
|
if (first && first.type === 2) {
|
|
first.content = first.content.replace(/^\r?\n/, "");
|
|
}
|
|
}
|
|
if (ns === 0 && currentOptions.isPreTag(tag)) {
|
|
inPre--;
|
|
}
|
|
if (currentVPreBoundary === el) {
|
|
inVPre = tokenizer.inVPre = false;
|
|
currentVPreBoundary = null;
|
|
}
|
|
if (tokenizer.inXML && (stack[0] ? stack[0].ns : currentOptions.ns) === 0) {
|
|
tokenizer.inXML = false;
|
|
}
|
|
{
|
|
const props = el.props;
|
|
if (isCompatEnabled(
|
|
"COMPILER_V_IF_V_FOR_PRECEDENCE",
|
|
currentOptions
|
|
)) {
|
|
let hasIf = false;
|
|
let hasFor = false;
|
|
for (let i = 0; i < props.length; i++) {
|
|
const p = props[i];
|
|
if (p.type === 7) {
|
|
if (p.name === "if") {
|
|
hasIf = true;
|
|
} else if (p.name === "for") {
|
|
hasFor = true;
|
|
}
|
|
}
|
|
if (hasIf && hasFor) {
|
|
warnDeprecation(
|
|
"COMPILER_V_IF_V_FOR_PRECEDENCE",
|
|
currentOptions,
|
|
el.loc
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!tokenizer.inSFCRoot && isCompatEnabled(
|
|
"COMPILER_NATIVE_TEMPLATE",
|
|
currentOptions
|
|
) && el.tag === "template" && !isFragmentTemplate(el)) {
|
|
warnDeprecation(
|
|
"COMPILER_NATIVE_TEMPLATE",
|
|
currentOptions,
|
|
el.loc
|
|
);
|
|
const parent = stack[0] || currentRoot;
|
|
const index = parent.children.indexOf(el);
|
|
parent.children.splice(index, 1, ...el.children);
|
|
}
|
|
const inlineTemplateProp = props.find(
|
|
(p) => p.type === 6 && p.name === "inline-template"
|
|
);
|
|
if (inlineTemplateProp && checkCompatEnabled(
|
|
"COMPILER_INLINE_TEMPLATE",
|
|
currentOptions,
|
|
inlineTemplateProp.loc
|
|
) && el.children.length) {
|
|
inlineTemplateProp.value = {
|
|
type: 2,
|
|
content: getSlice(
|
|
el.children[0].loc.start.offset,
|
|
el.children[el.children.length - 1].loc.end.offset
|
|
),
|
|
loc: inlineTemplateProp.loc
|
|
};
|
|
}
|
|
}
|
|
}
|
|
function lookAhead(index, c) {
|
|
let i = index;
|
|
while (currentInput.charCodeAt(i) !== c && i < currentInput.length - 1) i++;
|
|
return i;
|
|
}
|
|
function backTrack(index, c) {
|
|
let i = index;
|
|
while (currentInput.charCodeAt(i) !== c && i >= 0) i--;
|
|
return i;
|
|
}
|
|
const specialTemplateDir = /* @__PURE__ */ new Set(["if", "else", "else-if", "for", "slot"]);
|
|
function isFragmentTemplate({ tag, props }) {
|
|
if (tag === "template") {
|
|
for (let i = 0; i < props.length; i++) {
|
|
if (props[i].type === 7 && specialTemplateDir.has(props[i].name)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function isComponent({ tag, props }) {
|
|
if (currentOptions.isCustomElement(tag)) {
|
|
return false;
|
|
}
|
|
if (tag === "component" || isUpperCase(tag.charCodeAt(0)) || isCoreComponent(tag) || currentOptions.isBuiltInComponent && currentOptions.isBuiltInComponent(tag) || currentOptions.isNativeTag && !currentOptions.isNativeTag(tag)) {
|
|
return true;
|
|
}
|
|
for (let i = 0; i < props.length; i++) {
|
|
const p = props[i];
|
|
if (p.type === 6) {
|
|
if (p.name === "is" && p.value) {
|
|
if (p.value.content.startsWith("vue:")) {
|
|
return true;
|
|
} else if (checkCompatEnabled(
|
|
"COMPILER_IS_ON_ELEMENT",
|
|
currentOptions,
|
|
p.loc
|
|
)) {
|
|
return true;
|
|
}
|
|
}
|
|
} else if (// :is on plain element - only treat as component in compat mode
|
|
p.name === "bind" && isStaticArgOf(p.arg, "is") && checkCompatEnabled(
|
|
"COMPILER_IS_ON_ELEMENT",
|
|
currentOptions,
|
|
p.loc
|
|
)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function isUpperCase(c) {
|
|
return c > 64 && c < 91;
|
|
}
|
|
const windowsNewlineRE = /\r\n/g;
|
|
function condenseWhitespace(nodes) {
|
|
const shouldCondense = currentOptions.whitespace !== "preserve";
|
|
let removedWhitespace = false;
|
|
for (let i = 0; i < nodes.length; i++) {
|
|
const node = nodes[i];
|
|
if (node.type === 2) {
|
|
if (!inPre) {
|
|
if (isAllWhitespace(node.content)) {
|
|
const prev = nodes[i - 1] && nodes[i - 1].type;
|
|
const next = nodes[i + 1] && nodes[i + 1].type;
|
|
if (!prev || !next || shouldCondense && (prev === 3 && (next === 3 || next === 1) || prev === 1 && (next === 3 || next === 1 && hasNewlineChar(node.content)))) {
|
|
removedWhitespace = true;
|
|
nodes[i] = null;
|
|
} else {
|
|
node.content = " ";
|
|
}
|
|
} else if (shouldCondense) {
|
|
node.content = condense(node.content);
|
|
}
|
|
} else {
|
|
node.content = node.content.replace(windowsNewlineRE, "\n");
|
|
}
|
|
}
|
|
}
|
|
return removedWhitespace ? nodes.filter(Boolean) : nodes;
|
|
}
|
|
function isAllWhitespace(str) {
|
|
for (let i = 0; i < str.length; i++) {
|
|
if (!isWhitespace(str.charCodeAt(i))) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
function hasNewlineChar(str) {
|
|
for (let i = 0; i < str.length; i++) {
|
|
const c = str.charCodeAt(i);
|
|
if (c === 10 || c === 13) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function condense(str) {
|
|
let ret = "";
|
|
let prevCharIsWhitespace = false;
|
|
for (let i = 0; i < str.length; i++) {
|
|
if (isWhitespace(str.charCodeAt(i))) {
|
|
if (!prevCharIsWhitespace) {
|
|
ret += " ";
|
|
prevCharIsWhitespace = true;
|
|
}
|
|
} else {
|
|
ret += str[i];
|
|
prevCharIsWhitespace = false;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
function addNode(node) {
|
|
(stack[0] || currentRoot).children.push(node);
|
|
}
|
|
function getLoc(start, end) {
|
|
return {
|
|
start: tokenizer.getPos(start),
|
|
// @ts-expect-error allow late attachment
|
|
end: end == null ? end : tokenizer.getPos(end),
|
|
// @ts-expect-error allow late attachment
|
|
source: end == null ? end : getSlice(start, end)
|
|
};
|
|
}
|
|
function cloneLoc(loc) {
|
|
return getLoc(loc.start.offset, loc.end.offset);
|
|
}
|
|
function setLocEnd(loc, end) {
|
|
loc.end = tokenizer.getPos(end);
|
|
loc.source = getSlice(loc.start.offset, end);
|
|
}
|
|
function dirToAttr(dir) {
|
|
const attr = {
|
|
type: 6,
|
|
name: dir.rawName,
|
|
nameLoc: getLoc(
|
|
dir.loc.start.offset,
|
|
dir.loc.start.offset + dir.rawName.length
|
|
),
|
|
value: void 0,
|
|
loc: dir.loc
|
|
};
|
|
if (dir.exp) {
|
|
const loc = dir.exp.loc;
|
|
if (loc.end.offset < dir.loc.end.offset) {
|
|
loc.start.offset--;
|
|
loc.start.column--;
|
|
loc.end.offset++;
|
|
loc.end.column++;
|
|
}
|
|
attr.value = {
|
|
type: 2,
|
|
content: dir.exp.content,
|
|
loc
|
|
};
|
|
}
|
|
return attr;
|
|
}
|
|
function createExp(content, isStatic = false, loc, constType = 0, parseMode = 0 /* Normal */) {
|
|
const exp = createSimpleExpression(content, isStatic, loc, constType);
|
|
return exp;
|
|
}
|
|
function emitError(code, index, message) {
|
|
currentOptions.onError(
|
|
createCompilerError(code, getLoc(index, index), void 0, message)
|
|
);
|
|
}
|
|
function reset() {
|
|
tokenizer.reset();
|
|
currentOpenTag = null;
|
|
currentProp = null;
|
|
currentAttrValue = "";
|
|
currentAttrStartIndex = -1;
|
|
currentAttrEndIndex = -1;
|
|
stack.length = 0;
|
|
}
|
|
function baseParse(input, options) {
|
|
reset();
|
|
currentInput = input;
|
|
currentOptions = extend({}, defaultParserOptions);
|
|
if (options) {
|
|
let key;
|
|
for (key in options) {
|
|
if (options[key] != null) {
|
|
currentOptions[key] = options[key];
|
|
}
|
|
}
|
|
}
|
|
{
|
|
if (!currentOptions.decodeEntities) {
|
|
throw new Error(
|
|
`[@vue/compiler-core] decodeEntities option is required in browser builds.`
|
|
);
|
|
}
|
|
}
|
|
tokenizer.mode = currentOptions.parseMode === "html" ? 1 : currentOptions.parseMode === "sfc" ? 2 : 0;
|
|
tokenizer.inXML = currentOptions.ns === 1 || currentOptions.ns === 2;
|
|
const delimiters = options && options.delimiters;
|
|
if (delimiters) {
|
|
tokenizer.delimiterOpen = toCharCodes(delimiters[0]);
|
|
tokenizer.delimiterClose = toCharCodes(delimiters[1]);
|
|
}
|
|
const root = currentRoot = createRoot([], input);
|
|
tokenizer.parse(currentInput);
|
|
root.loc = getLoc(0, input.length);
|
|
root.children = condenseWhitespace(root.children);
|
|
currentRoot = null;
|
|
return root;
|
|
}
|
|
|
|
function cacheStatic(root, context) {
|
|
walk(
|
|
root,
|
|
void 0,
|
|
context,
|
|
// Root node is unfortunately non-hoistable due to potential parent
|
|
// fallthrough attributes.
|
|
!!getSingleElementRoot(root)
|
|
);
|
|
}
|
|
function getSingleElementRoot(root) {
|
|
const children = root.children.filter((x) => x.type !== 3);
|
|
return children.length === 1 && children[0].type === 1 && !isSlotOutlet(children[0]) ? children[0] : null;
|
|
}
|
|
function walk(node, parent, context, doNotHoistNode = false, inFor = false) {
|
|
const { children } = node;
|
|
const toCache = [];
|
|
for (let i = 0; i < children.length; i++) {
|
|
const child = children[i];
|
|
if (child.type === 1 && child.tagType === 0) {
|
|
const constantType = doNotHoistNode ? 0 : getConstantType(child, context);
|
|
if (constantType > 0) {
|
|
if (constantType >= 2) {
|
|
child.codegenNode.patchFlag = -1;
|
|
toCache.push(child);
|
|
continue;
|
|
}
|
|
} else {
|
|
const codegenNode = child.codegenNode;
|
|
if (codegenNode.type === 13) {
|
|
const flag = codegenNode.patchFlag;
|
|
if ((flag === void 0 || flag === 512 || flag === 1) && getGeneratedPropsConstantType(child, context) >= 2) {
|
|
const props = getNodeProps(child);
|
|
if (props) {
|
|
codegenNode.props = context.hoist(props);
|
|
}
|
|
}
|
|
if (codegenNode.dynamicProps) {
|
|
codegenNode.dynamicProps = context.hoist(codegenNode.dynamicProps);
|
|
}
|
|
}
|
|
}
|
|
} else if (child.type === 12) {
|
|
const constantType = doNotHoistNode ? 0 : getConstantType(child, context);
|
|
if (constantType >= 2) {
|
|
if (child.codegenNode.type === 14 && child.codegenNode.arguments.length > 0) {
|
|
child.codegenNode.arguments.push(
|
|
-1 + (` /* ${PatchFlagNames[-1]} */` )
|
|
);
|
|
}
|
|
toCache.push(child);
|
|
continue;
|
|
}
|
|
}
|
|
if (child.type === 1) {
|
|
const isComponent = child.tagType === 1;
|
|
if (isComponent) {
|
|
context.scopes.vSlot++;
|
|
}
|
|
walk(child, node, context, false, inFor);
|
|
if (isComponent) {
|
|
context.scopes.vSlot--;
|
|
}
|
|
} else if (child.type === 11) {
|
|
walk(child, node, context, child.children.length === 1, true);
|
|
} else if (child.type === 9) {
|
|
for (let i2 = 0; i2 < child.branches.length; i2++) {
|
|
walk(
|
|
child.branches[i2],
|
|
node,
|
|
context,
|
|
child.branches[i2].children.length === 1,
|
|
inFor
|
|
);
|
|
}
|
|
}
|
|
}
|
|
let cachedAsArray = false;
|
|
if (toCache.length === children.length && node.type === 1) {
|
|
if (node.tagType === 0 && node.codegenNode && node.codegenNode.type === 13 && isArray(node.codegenNode.children)) {
|
|
node.codegenNode.children = getCacheExpression(
|
|
createArrayExpression(node.codegenNode.children)
|
|
);
|
|
cachedAsArray = true;
|
|
} else if (node.tagType === 1 && node.codegenNode && node.codegenNode.type === 13 && node.codegenNode.children && !isArray(node.codegenNode.children) && node.codegenNode.children.type === 15) {
|
|
const slot = getSlotNode(node.codegenNode, "default");
|
|
if (slot) {
|
|
slot.returns = getCacheExpression(
|
|
createArrayExpression(slot.returns)
|
|
);
|
|
cachedAsArray = true;
|
|
}
|
|
} else if (node.tagType === 3 && parent && parent.type === 1 && parent.tagType === 1 && parent.codegenNode && parent.codegenNode.type === 13 && parent.codegenNode.children && !isArray(parent.codegenNode.children) && parent.codegenNode.children.type === 15) {
|
|
const slotName = findDir(node, "slot", true);
|
|
const slot = slotName && slotName.arg && getSlotNode(parent.codegenNode, slotName.arg);
|
|
if (slot) {
|
|
slot.returns = getCacheExpression(
|
|
createArrayExpression(slot.returns)
|
|
);
|
|
cachedAsArray = true;
|
|
}
|
|
}
|
|
}
|
|
if (!cachedAsArray) {
|
|
for (const child of toCache) {
|
|
child.codegenNode = context.cache(child.codegenNode);
|
|
}
|
|
}
|
|
function getCacheExpression(value) {
|
|
const exp = context.cache(value);
|
|
exp.needArraySpread = true;
|
|
return exp;
|
|
}
|
|
function getSlotNode(node2, name) {
|
|
if (node2.children && !isArray(node2.children) && node2.children.type === 15) {
|
|
const slot = node2.children.properties.find(
|
|
(p) => p.key === name || p.key.content === name
|
|
);
|
|
return slot && slot.value;
|
|
}
|
|
}
|
|
if (toCache.length && context.transformHoist) {
|
|
context.transformHoist(children, context, node);
|
|
}
|
|
}
|
|
function getConstantType(node, context) {
|
|
const { constantCache } = context;
|
|
switch (node.type) {
|
|
case 1:
|
|
if (node.tagType !== 0) {
|
|
return 0;
|
|
}
|
|
const cached = constantCache.get(node);
|
|
if (cached !== void 0) {
|
|
return cached;
|
|
}
|
|
const codegenNode = node.codegenNode;
|
|
if (codegenNode.type !== 13) {
|
|
return 0;
|
|
}
|
|
if (codegenNode.isBlock && node.tag !== "svg" && node.tag !== "foreignObject" && node.tag !== "math") {
|
|
return 0;
|
|
}
|
|
if (codegenNode.patchFlag === void 0) {
|
|
let returnType2 = 3;
|
|
const generatedPropsType = getGeneratedPropsConstantType(node, context);
|
|
if (generatedPropsType === 0) {
|
|
constantCache.set(node, 0);
|
|
return 0;
|
|
}
|
|
if (generatedPropsType < returnType2) {
|
|
returnType2 = generatedPropsType;
|
|
}
|
|
for (let i = 0; i < node.children.length; i++) {
|
|
const childType = getConstantType(node.children[i], context);
|
|
if (childType === 0) {
|
|
constantCache.set(node, 0);
|
|
return 0;
|
|
}
|
|
if (childType < returnType2) {
|
|
returnType2 = childType;
|
|
}
|
|
}
|
|
if (returnType2 > 1) {
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const p = node.props[i];
|
|
if (p.type === 7 && p.name === "bind" && p.exp) {
|
|
const expType = getConstantType(p.exp, context);
|
|
if (expType === 0) {
|
|
constantCache.set(node, 0);
|
|
return 0;
|
|
}
|
|
if (expType < returnType2) {
|
|
returnType2 = expType;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (codegenNode.isBlock) {
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const p = node.props[i];
|
|
if (p.type === 7) {
|
|
constantCache.set(node, 0);
|
|
return 0;
|
|
}
|
|
}
|
|
context.removeHelper(OPEN_BLOCK);
|
|
context.removeHelper(
|
|
getVNodeBlockHelper(context.inSSR, codegenNode.isComponent)
|
|
);
|
|
codegenNode.isBlock = false;
|
|
context.helper(getVNodeHelper(context.inSSR, codegenNode.isComponent));
|
|
}
|
|
constantCache.set(node, returnType2);
|
|
return returnType2;
|
|
} else {
|
|
constantCache.set(node, 0);
|
|
return 0;
|
|
}
|
|
case 2:
|
|
case 3:
|
|
return 3;
|
|
case 9:
|
|
case 11:
|
|
case 10:
|
|
return 0;
|
|
case 5:
|
|
case 12:
|
|
return getConstantType(node.content, context);
|
|
case 4:
|
|
return node.constType;
|
|
case 8:
|
|
let returnType = 3;
|
|
for (let i = 0; i < node.children.length; i++) {
|
|
const child = node.children[i];
|
|
if (isString(child) || isSymbol(child)) {
|
|
continue;
|
|
}
|
|
const childType = getConstantType(child, context);
|
|
if (childType === 0) {
|
|
return 0;
|
|
} else if (childType < returnType) {
|
|
returnType = childType;
|
|
}
|
|
}
|
|
return returnType;
|
|
case 20:
|
|
return 2;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
const allowHoistedHelperSet = /* @__PURE__ */ new Set([
|
|
NORMALIZE_CLASS,
|
|
NORMALIZE_STYLE,
|
|
NORMALIZE_PROPS,
|
|
GUARD_REACTIVE_PROPS
|
|
]);
|
|
function getConstantTypeOfHelperCall(value, context) {
|
|
if (value.type === 14 && !isString(value.callee) && allowHoistedHelperSet.has(value.callee)) {
|
|
const arg = value.arguments[0];
|
|
if (arg.type === 4) {
|
|
return getConstantType(arg, context);
|
|
} else if (arg.type === 14) {
|
|
return getConstantTypeOfHelperCall(arg, context);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
function getGeneratedPropsConstantType(node, context) {
|
|
let returnType = 3;
|
|
const props = getNodeProps(node);
|
|
if (props && props.type === 15) {
|
|
const { properties } = props;
|
|
for (let i = 0; i < properties.length; i++) {
|
|
const { key, value } = properties[i];
|
|
const keyType = getConstantType(key, context);
|
|
if (keyType === 0) {
|
|
return keyType;
|
|
}
|
|
if (keyType < returnType) {
|
|
returnType = keyType;
|
|
}
|
|
let valueType;
|
|
if (value.type === 4) {
|
|
valueType = getConstantType(value, context);
|
|
} else if (value.type === 14) {
|
|
valueType = getConstantTypeOfHelperCall(value, context);
|
|
} else {
|
|
valueType = 0;
|
|
}
|
|
if (valueType === 0) {
|
|
return valueType;
|
|
}
|
|
if (valueType < returnType) {
|
|
returnType = valueType;
|
|
}
|
|
}
|
|
}
|
|
return returnType;
|
|
}
|
|
function getNodeProps(node) {
|
|
const codegenNode = node.codegenNode;
|
|
if (codegenNode.type === 13) {
|
|
return codegenNode.props;
|
|
}
|
|
}
|
|
|
|
function createTransformContext(root, {
|
|
filename = "",
|
|
prefixIdentifiers = false,
|
|
hoistStatic = false,
|
|
hmr = false,
|
|
cacheHandlers = false,
|
|
nodeTransforms = [],
|
|
directiveTransforms = {},
|
|
transformHoist = null,
|
|
isBuiltInComponent = NOOP,
|
|
isCustomElement = NOOP,
|
|
expressionPlugins = [],
|
|
scopeId = null,
|
|
slotted = true,
|
|
ssr = false,
|
|
inSSR = false,
|
|
ssrCssVars = ``,
|
|
bindingMetadata = EMPTY_OBJ,
|
|
inline = false,
|
|
isTS = false,
|
|
onError = defaultOnError,
|
|
onWarn = defaultOnWarn,
|
|
compatConfig
|
|
}) {
|
|
const nameMatch = filename.replace(/\?.*$/, "").match(/([^/\\]+)\.\w+$/);
|
|
const context = {
|
|
// options
|
|
filename,
|
|
selfName: nameMatch && capitalize(camelize(nameMatch[1])),
|
|
prefixIdentifiers,
|
|
hoistStatic,
|
|
hmr,
|
|
cacheHandlers,
|
|
nodeTransforms,
|
|
directiveTransforms,
|
|
transformHoist,
|
|
isBuiltInComponent,
|
|
isCustomElement,
|
|
expressionPlugins,
|
|
scopeId,
|
|
slotted,
|
|
ssr,
|
|
inSSR,
|
|
ssrCssVars,
|
|
bindingMetadata,
|
|
inline,
|
|
isTS,
|
|
onError,
|
|
onWarn,
|
|
compatConfig,
|
|
// state
|
|
root,
|
|
helpers: /* @__PURE__ */ new Map(),
|
|
components: /* @__PURE__ */ new Set(),
|
|
directives: /* @__PURE__ */ new Set(),
|
|
hoists: [],
|
|
imports: [],
|
|
cached: [],
|
|
constantCache: /* @__PURE__ */ new WeakMap(),
|
|
temps: 0,
|
|
identifiers: /* @__PURE__ */ Object.create(null),
|
|
scopes: {
|
|
vFor: 0,
|
|
vSlot: 0,
|
|
vPre: 0,
|
|
vOnce: 0
|
|
},
|
|
parent: null,
|
|
grandParent: null,
|
|
currentNode: root,
|
|
childIndex: 0,
|
|
inVOnce: false,
|
|
// methods
|
|
helper(name) {
|
|
const count = context.helpers.get(name) || 0;
|
|
context.helpers.set(name, count + 1);
|
|
return name;
|
|
},
|
|
removeHelper(name) {
|
|
const count = context.helpers.get(name);
|
|
if (count) {
|
|
const currentCount = count - 1;
|
|
if (!currentCount) {
|
|
context.helpers.delete(name);
|
|
} else {
|
|
context.helpers.set(name, currentCount);
|
|
}
|
|
}
|
|
},
|
|
helperString(name) {
|
|
return `_${helperNameMap[context.helper(name)]}`;
|
|
},
|
|
replaceNode(node) {
|
|
{
|
|
if (!context.currentNode) {
|
|
throw new Error(`Node being replaced is already removed.`);
|
|
}
|
|
if (!context.parent) {
|
|
throw new Error(`Cannot replace root node.`);
|
|
}
|
|
}
|
|
context.parent.children[context.childIndex] = context.currentNode = node;
|
|
},
|
|
removeNode(node) {
|
|
if (!context.parent) {
|
|
throw new Error(`Cannot remove root node.`);
|
|
}
|
|
const list = context.parent.children;
|
|
const removalIndex = node ? list.indexOf(node) : context.currentNode ? context.childIndex : -1;
|
|
if (removalIndex < 0) {
|
|
throw new Error(`node being removed is not a child of current parent`);
|
|
}
|
|
if (!node || node === context.currentNode) {
|
|
context.currentNode = null;
|
|
context.onNodeRemoved();
|
|
} else {
|
|
if (context.childIndex > removalIndex) {
|
|
context.childIndex--;
|
|
context.onNodeRemoved();
|
|
}
|
|
}
|
|
context.parent.children.splice(removalIndex, 1);
|
|
},
|
|
onNodeRemoved: NOOP,
|
|
addIdentifiers(exp) {
|
|
},
|
|
removeIdentifiers(exp) {
|
|
},
|
|
hoist(exp) {
|
|
if (isString(exp)) exp = createSimpleExpression(exp);
|
|
context.hoists.push(exp);
|
|
const identifier = createSimpleExpression(
|
|
`_hoisted_${context.hoists.length}`,
|
|
false,
|
|
exp.loc,
|
|
2
|
|
);
|
|
identifier.hoisted = exp;
|
|
return identifier;
|
|
},
|
|
cache(exp, isVNode = false, inVOnce = false) {
|
|
const cacheExp = createCacheExpression(
|
|
context.cached.length,
|
|
exp,
|
|
isVNode,
|
|
inVOnce
|
|
);
|
|
context.cached.push(cacheExp);
|
|
return cacheExp;
|
|
}
|
|
};
|
|
{
|
|
context.filters = /* @__PURE__ */ new Set();
|
|
}
|
|
return context;
|
|
}
|
|
function transform(root, options) {
|
|
const context = createTransformContext(root, options);
|
|
traverseNode(root, context);
|
|
if (options.hoistStatic) {
|
|
cacheStatic(root, context);
|
|
}
|
|
if (!options.ssr) {
|
|
createRootCodegen(root, context);
|
|
}
|
|
root.helpers = /* @__PURE__ */ new Set([...context.helpers.keys()]);
|
|
root.components = [...context.components];
|
|
root.directives = [...context.directives];
|
|
root.imports = context.imports;
|
|
root.hoists = context.hoists;
|
|
root.temps = context.temps;
|
|
root.cached = context.cached;
|
|
root.transformed = true;
|
|
{
|
|
root.filters = [...context.filters];
|
|
}
|
|
}
|
|
function createRootCodegen(root, context) {
|
|
const { helper } = context;
|
|
const { children } = root;
|
|
if (children.length === 1) {
|
|
const singleElementRootChild = getSingleElementRoot(root);
|
|
if (singleElementRootChild && singleElementRootChild.codegenNode) {
|
|
const codegenNode = singleElementRootChild.codegenNode;
|
|
if (codegenNode.type === 13) {
|
|
convertToBlock(codegenNode, context);
|
|
}
|
|
root.codegenNode = codegenNode;
|
|
} else {
|
|
root.codegenNode = children[0];
|
|
}
|
|
} else if (children.length > 1) {
|
|
let patchFlag = 64;
|
|
if (children.filter((c) => c.type !== 3).length === 1) {
|
|
patchFlag |= 2048;
|
|
}
|
|
root.codegenNode = createVNodeCall(
|
|
context,
|
|
helper(FRAGMENT),
|
|
void 0,
|
|
root.children,
|
|
patchFlag,
|
|
void 0,
|
|
void 0,
|
|
true,
|
|
void 0,
|
|
false
|
|
);
|
|
} else ;
|
|
}
|
|
function traverseChildren(parent, context) {
|
|
let i = 0;
|
|
const nodeRemoved = () => {
|
|
i--;
|
|
};
|
|
for (; i < parent.children.length; i++) {
|
|
const child = parent.children[i];
|
|
if (isString(child)) continue;
|
|
context.grandParent = context.parent;
|
|
context.parent = parent;
|
|
context.childIndex = i;
|
|
context.onNodeRemoved = nodeRemoved;
|
|
traverseNode(child, context);
|
|
}
|
|
}
|
|
function traverseNode(node, context) {
|
|
context.currentNode = node;
|
|
const { nodeTransforms } = context;
|
|
const exitFns = [];
|
|
for (let i2 = 0; i2 < nodeTransforms.length; i2++) {
|
|
const onExit = nodeTransforms[i2](node, context);
|
|
if (onExit) {
|
|
if (isArray(onExit)) {
|
|
exitFns.push(...onExit);
|
|
} else {
|
|
exitFns.push(onExit);
|
|
}
|
|
}
|
|
if (!context.currentNode) {
|
|
return;
|
|
} else {
|
|
node = context.currentNode;
|
|
}
|
|
}
|
|
switch (node.type) {
|
|
case 3:
|
|
if (!context.ssr) {
|
|
context.helper(CREATE_COMMENT);
|
|
}
|
|
break;
|
|
case 5:
|
|
if (!context.ssr) {
|
|
context.helper(TO_DISPLAY_STRING);
|
|
}
|
|
break;
|
|
// for container types, further traverse downwards
|
|
case 9:
|
|
for (let i2 = 0; i2 < node.branches.length; i2++) {
|
|
traverseNode(node.branches[i2], context);
|
|
}
|
|
break;
|
|
case 10:
|
|
case 11:
|
|
case 1:
|
|
case 0:
|
|
traverseChildren(node, context);
|
|
break;
|
|
}
|
|
context.currentNode = node;
|
|
let i = exitFns.length;
|
|
while (i--) {
|
|
exitFns[i]();
|
|
}
|
|
}
|
|
function createStructuralDirectiveTransform(name, fn) {
|
|
const matches = isString(name) ? (n) => n === name : (n) => name.test(n);
|
|
return (node, context) => {
|
|
if (node.type === 1) {
|
|
const { props } = node;
|
|
if (node.tagType === 3 && props.some(isVSlot)) {
|
|
return;
|
|
}
|
|
const exitFns = [];
|
|
for (let i = 0; i < props.length; i++) {
|
|
const prop = props[i];
|
|
if (prop.type === 7 && matches(prop.name)) {
|
|
props.splice(i, 1);
|
|
i--;
|
|
const onExit = fn(node, prop, context);
|
|
if (onExit) exitFns.push(onExit);
|
|
}
|
|
}
|
|
return exitFns;
|
|
}
|
|
};
|
|
}
|
|
|
|
const PURE_ANNOTATION = `/*@__PURE__*/`;
|
|
const aliasHelper = (s) => `${helperNameMap[s]}: _${helperNameMap[s]}`;
|
|
function createCodegenContext(ast, {
|
|
mode = "function",
|
|
prefixIdentifiers = mode === "module",
|
|
sourceMap = false,
|
|
filename = `template.vue.html`,
|
|
scopeId = null,
|
|
optimizeImports = false,
|
|
runtimeGlobalName = `Vue`,
|
|
runtimeModuleName = `vue`,
|
|
ssrRuntimeModuleName = "vue/server-renderer",
|
|
ssr = false,
|
|
isTS = false,
|
|
inSSR = false
|
|
}) {
|
|
const context = {
|
|
mode,
|
|
prefixIdentifiers,
|
|
sourceMap,
|
|
filename,
|
|
scopeId,
|
|
optimizeImports,
|
|
runtimeGlobalName,
|
|
runtimeModuleName,
|
|
ssrRuntimeModuleName,
|
|
ssr,
|
|
isTS,
|
|
inSSR,
|
|
source: ast.source,
|
|
code: ``,
|
|
column: 1,
|
|
line: 1,
|
|
offset: 0,
|
|
indentLevel: 0,
|
|
pure: false,
|
|
map: void 0,
|
|
helper(key) {
|
|
return `_${helperNameMap[key]}`;
|
|
},
|
|
push(code, newlineIndex = -2 /* None */, node) {
|
|
context.code += code;
|
|
},
|
|
indent() {
|
|
newline(++context.indentLevel);
|
|
},
|
|
deindent(withoutNewLine = false) {
|
|
if (withoutNewLine) {
|
|
--context.indentLevel;
|
|
} else {
|
|
newline(--context.indentLevel);
|
|
}
|
|
},
|
|
newline() {
|
|
newline(context.indentLevel);
|
|
}
|
|
};
|
|
function newline(n) {
|
|
context.push("\n" + ` `.repeat(n), 0 /* Start */);
|
|
}
|
|
return context;
|
|
}
|
|
function generate(ast, options = {}) {
|
|
const context = createCodegenContext(ast, options);
|
|
if (options.onContextCreated) options.onContextCreated(context);
|
|
const {
|
|
mode,
|
|
push,
|
|
prefixIdentifiers,
|
|
indent,
|
|
deindent,
|
|
newline,
|
|
scopeId,
|
|
ssr
|
|
} = context;
|
|
const helpers = Array.from(ast.helpers);
|
|
const hasHelpers = helpers.length > 0;
|
|
const useWithBlock = !prefixIdentifiers && mode !== "module";
|
|
const preambleContext = context;
|
|
{
|
|
genFunctionPreamble(ast, preambleContext);
|
|
}
|
|
const functionName = ssr ? `ssrRender` : `render`;
|
|
const args = ssr ? ["_ctx", "_push", "_parent", "_attrs"] : ["_ctx", "_cache"];
|
|
const signature = args.join(", ");
|
|
{
|
|
push(`function ${functionName}(${signature}) {`);
|
|
}
|
|
indent();
|
|
if (useWithBlock) {
|
|
push(`with (_ctx) {`);
|
|
indent();
|
|
if (hasHelpers) {
|
|
push(
|
|
`const { ${helpers.map(aliasHelper).join(", ")} } = _Vue
|
|
`,
|
|
-1 /* End */
|
|
);
|
|
newline();
|
|
}
|
|
}
|
|
if (ast.components.length) {
|
|
genAssets(ast.components, "component", context);
|
|
if (ast.directives.length || ast.temps > 0) {
|
|
newline();
|
|
}
|
|
}
|
|
if (ast.directives.length) {
|
|
genAssets(ast.directives, "directive", context);
|
|
if (ast.temps > 0) {
|
|
newline();
|
|
}
|
|
}
|
|
if (ast.filters && ast.filters.length) {
|
|
newline();
|
|
genAssets(ast.filters, "filter", context);
|
|
newline();
|
|
}
|
|
if (ast.temps > 0) {
|
|
push(`let `);
|
|
for (let i = 0; i < ast.temps; i++) {
|
|
push(`${i > 0 ? `, ` : ``}_temp${i}`);
|
|
}
|
|
}
|
|
if (ast.components.length || ast.directives.length || ast.temps) {
|
|
push(`
|
|
`, 0 /* Start */);
|
|
newline();
|
|
}
|
|
if (!ssr) {
|
|
push(`return `);
|
|
}
|
|
if (ast.codegenNode) {
|
|
genNode(ast.codegenNode, context);
|
|
} else {
|
|
push(`null`);
|
|
}
|
|
if (useWithBlock) {
|
|
deindent();
|
|
push(`}`);
|
|
}
|
|
deindent();
|
|
push(`}`);
|
|
return {
|
|
ast,
|
|
code: context.code,
|
|
preamble: ``,
|
|
map: context.map ? context.map.toJSON() : void 0
|
|
};
|
|
}
|
|
function genFunctionPreamble(ast, context) {
|
|
const {
|
|
ssr,
|
|
prefixIdentifiers,
|
|
push,
|
|
newline,
|
|
runtimeModuleName,
|
|
runtimeGlobalName,
|
|
ssrRuntimeModuleName
|
|
} = context;
|
|
const VueBinding = runtimeGlobalName;
|
|
const helpers = Array.from(ast.helpers);
|
|
if (helpers.length > 0) {
|
|
{
|
|
push(`const _Vue = ${VueBinding}
|
|
`, -1 /* End */);
|
|
if (ast.hoists.length) {
|
|
const staticHelpers = [
|
|
CREATE_VNODE,
|
|
CREATE_ELEMENT_VNODE,
|
|
CREATE_COMMENT,
|
|
CREATE_TEXT,
|
|
CREATE_STATIC
|
|
].filter((helper) => helpers.includes(helper)).map(aliasHelper).join(", ");
|
|
push(`const { ${staticHelpers} } = _Vue
|
|
`, -1 /* End */);
|
|
}
|
|
}
|
|
}
|
|
genHoists(ast.hoists, context);
|
|
newline();
|
|
push(`return `);
|
|
}
|
|
function genAssets(assets, type, { helper, push, newline, isTS }) {
|
|
const resolver = helper(
|
|
type === "filter" ? RESOLVE_FILTER : type === "component" ? RESOLVE_COMPONENT : RESOLVE_DIRECTIVE
|
|
);
|
|
for (let i = 0; i < assets.length; i++) {
|
|
let id = assets[i];
|
|
const maybeSelfReference = id.endsWith("__self");
|
|
if (maybeSelfReference) {
|
|
id = id.slice(0, -6);
|
|
}
|
|
push(
|
|
`const ${toValidAssetId(id, type)} = ${resolver}(${JSON.stringify(id)}${maybeSelfReference ? `, true` : ``})${isTS ? `!` : ``}`
|
|
);
|
|
if (i < assets.length - 1) {
|
|
newline();
|
|
}
|
|
}
|
|
}
|
|
function genHoists(hoists, context) {
|
|
if (!hoists.length) {
|
|
return;
|
|
}
|
|
context.pure = true;
|
|
const { push, newline } = context;
|
|
newline();
|
|
for (let i = 0; i < hoists.length; i++) {
|
|
const exp = hoists[i];
|
|
if (exp) {
|
|
push(`const _hoisted_${i + 1} = `);
|
|
genNode(exp, context);
|
|
newline();
|
|
}
|
|
}
|
|
context.pure = false;
|
|
}
|
|
function isText(n) {
|
|
return isString(n) || n.type === 4 || n.type === 2 || n.type === 5 || n.type === 8;
|
|
}
|
|
function genNodeListAsArray(nodes, context) {
|
|
const multilines = nodes.length > 3 || nodes.some((n) => isArray(n) || !isText(n));
|
|
context.push(`[`);
|
|
multilines && context.indent();
|
|
genNodeList(nodes, context, multilines);
|
|
multilines && context.deindent();
|
|
context.push(`]`);
|
|
}
|
|
function genNodeList(nodes, context, multilines = false, comma = true) {
|
|
const { push, newline } = context;
|
|
for (let i = 0; i < nodes.length; i++) {
|
|
const node = nodes[i];
|
|
if (isString(node)) {
|
|
push(node, -3 /* Unknown */);
|
|
} else if (isArray(node)) {
|
|
genNodeListAsArray(node, context);
|
|
} else {
|
|
genNode(node, context);
|
|
}
|
|
if (i < nodes.length - 1) {
|
|
if (multilines) {
|
|
comma && push(",");
|
|
newline();
|
|
} else {
|
|
comma && push(", ");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
function genNode(node, context) {
|
|
if (isString(node)) {
|
|
context.push(node, -3 /* Unknown */);
|
|
return;
|
|
}
|
|
if (isSymbol(node)) {
|
|
context.push(context.helper(node));
|
|
return;
|
|
}
|
|
switch (node.type) {
|
|
case 1:
|
|
case 9:
|
|
case 11:
|
|
assert(
|
|
node.codegenNode != null,
|
|
`Codegen node is missing for element/if/for node. Apply appropriate transforms first.`
|
|
);
|
|
genNode(node.codegenNode, context);
|
|
break;
|
|
case 2:
|
|
genText(node, context);
|
|
break;
|
|
case 4:
|
|
genExpression(node, context);
|
|
break;
|
|
case 5:
|
|
genInterpolation(node, context);
|
|
break;
|
|
case 12:
|
|
genNode(node.codegenNode, context);
|
|
break;
|
|
case 8:
|
|
genCompoundExpression(node, context);
|
|
break;
|
|
case 3:
|
|
genComment(node, context);
|
|
break;
|
|
case 13:
|
|
genVNodeCall(node, context);
|
|
break;
|
|
case 14:
|
|
genCallExpression(node, context);
|
|
break;
|
|
case 15:
|
|
genObjectExpression(node, context);
|
|
break;
|
|
case 17:
|
|
genArrayExpression(node, context);
|
|
break;
|
|
case 18:
|
|
genFunctionExpression(node, context);
|
|
break;
|
|
case 19:
|
|
genConditionalExpression(node, context);
|
|
break;
|
|
case 20:
|
|
genCacheExpression(node, context);
|
|
break;
|
|
case 21:
|
|
genNodeList(node.body, context, true, false);
|
|
break;
|
|
// SSR only types
|
|
case 22:
|
|
break;
|
|
case 23:
|
|
break;
|
|
case 24:
|
|
break;
|
|
case 25:
|
|
break;
|
|
case 26:
|
|
break;
|
|
/* v8 ignore start */
|
|
case 10:
|
|
break;
|
|
default:
|
|
{
|
|
assert(false, `unhandled codegen node type: ${node.type}`);
|
|
const exhaustiveCheck = node;
|
|
return exhaustiveCheck;
|
|
}
|
|
}
|
|
}
|
|
function genText(node, context) {
|
|
context.push(JSON.stringify(node.content), -3 /* Unknown */, node);
|
|
}
|
|
function genExpression(node, context) {
|
|
const { content, isStatic } = node;
|
|
context.push(
|
|
isStatic ? JSON.stringify(content) : content,
|
|
-3 /* Unknown */,
|
|
node
|
|
);
|
|
}
|
|
function genInterpolation(node, context) {
|
|
const { push, helper, pure } = context;
|
|
if (pure) push(PURE_ANNOTATION);
|
|
push(`${helper(TO_DISPLAY_STRING)}(`);
|
|
genNode(node.content, context);
|
|
push(`)`);
|
|
}
|
|
function genCompoundExpression(node, context) {
|
|
for (let i = 0; i < node.children.length; i++) {
|
|
const child = node.children[i];
|
|
if (isString(child)) {
|
|
context.push(child, -3 /* Unknown */);
|
|
} else {
|
|
genNode(child, context);
|
|
}
|
|
}
|
|
}
|
|
function genExpressionAsPropertyKey(node, context) {
|
|
const { push } = context;
|
|
if (node.type === 8) {
|
|
push(`[`);
|
|
genCompoundExpression(node, context);
|
|
push(`]`);
|
|
} else if (node.isStatic) {
|
|
const text = isSimpleIdentifier(node.content) ? node.content : JSON.stringify(node.content);
|
|
push(text, -2 /* None */, node);
|
|
} else {
|
|
push(`[${node.content}]`, -3 /* Unknown */, node);
|
|
}
|
|
}
|
|
function genComment(node, context) {
|
|
const { push, helper, pure } = context;
|
|
if (pure) {
|
|
push(PURE_ANNOTATION);
|
|
}
|
|
push(
|
|
`${helper(CREATE_COMMENT)}(${JSON.stringify(node.content)})`,
|
|
-3 /* Unknown */,
|
|
node
|
|
);
|
|
}
|
|
function genVNodeCall(node, context) {
|
|
const { push, helper, pure } = context;
|
|
const {
|
|
tag,
|
|
props,
|
|
children,
|
|
patchFlag,
|
|
dynamicProps,
|
|
directives,
|
|
isBlock,
|
|
disableTracking,
|
|
isComponent
|
|
} = node;
|
|
let patchFlagString;
|
|
if (patchFlag) {
|
|
{
|
|
if (patchFlag < 0) {
|
|
patchFlagString = patchFlag + ` /* ${PatchFlagNames[patchFlag]} */`;
|
|
} else {
|
|
const flagNames = Object.keys(PatchFlagNames).map(Number).filter((n) => n > 0 && patchFlag & n).map((n) => PatchFlagNames[n]).join(`, `);
|
|
patchFlagString = patchFlag + ` /* ${flagNames} */`;
|
|
}
|
|
}
|
|
}
|
|
if (directives) {
|
|
push(helper(WITH_DIRECTIVES) + `(`);
|
|
}
|
|
if (isBlock) {
|
|
push(`(${helper(OPEN_BLOCK)}(${disableTracking ? `true` : ``}), `);
|
|
}
|
|
if (pure) {
|
|
push(PURE_ANNOTATION);
|
|
}
|
|
const callHelper = isBlock ? getVNodeBlockHelper(context.inSSR, isComponent) : getVNodeHelper(context.inSSR, isComponent);
|
|
push(helper(callHelper) + `(`, -2 /* None */, node);
|
|
genNodeList(
|
|
genNullableArgs([tag, props, children, patchFlagString, dynamicProps]),
|
|
context
|
|
);
|
|
push(`)`);
|
|
if (isBlock) {
|
|
push(`)`);
|
|
}
|
|
if (directives) {
|
|
push(`, `);
|
|
genNode(directives, context);
|
|
push(`)`);
|
|
}
|
|
}
|
|
function genNullableArgs(args) {
|
|
let i = args.length;
|
|
while (i--) {
|
|
if (args[i] != null) break;
|
|
}
|
|
return args.slice(0, i + 1).map((arg) => arg || `null`);
|
|
}
|
|
function genCallExpression(node, context) {
|
|
const { push, helper, pure } = context;
|
|
const callee = isString(node.callee) ? node.callee : helper(node.callee);
|
|
if (pure) {
|
|
push(PURE_ANNOTATION);
|
|
}
|
|
push(callee + `(`, -2 /* None */, node);
|
|
genNodeList(node.arguments, context);
|
|
push(`)`);
|
|
}
|
|
function genObjectExpression(node, context) {
|
|
const { push, indent, deindent, newline } = context;
|
|
const { properties } = node;
|
|
if (!properties.length) {
|
|
push(`{}`, -2 /* None */, node);
|
|
return;
|
|
}
|
|
const multilines = properties.length > 1 || properties.some((p) => p.value.type !== 4);
|
|
push(multilines ? `{` : `{ `);
|
|
multilines && indent();
|
|
for (let i = 0; i < properties.length; i++) {
|
|
const { key, value } = properties[i];
|
|
genExpressionAsPropertyKey(key, context);
|
|
push(`: `);
|
|
genNode(value, context);
|
|
if (i < properties.length - 1) {
|
|
push(`,`);
|
|
newline();
|
|
}
|
|
}
|
|
multilines && deindent();
|
|
push(multilines ? `}` : ` }`);
|
|
}
|
|
function genArrayExpression(node, context) {
|
|
genNodeListAsArray(node.elements, context);
|
|
}
|
|
function genFunctionExpression(node, context) {
|
|
const { push, indent, deindent } = context;
|
|
const { params, returns, body, newline, isSlot } = node;
|
|
if (isSlot) {
|
|
push(`_${helperNameMap[WITH_CTX]}(`);
|
|
}
|
|
push(`(`, -2 /* None */, node);
|
|
if (isArray(params)) {
|
|
genNodeList(params, context);
|
|
} else if (params) {
|
|
genNode(params, context);
|
|
}
|
|
push(`) => `);
|
|
if (newline || body) {
|
|
push(`{`);
|
|
indent();
|
|
}
|
|
if (returns) {
|
|
if (newline) {
|
|
push(`return `);
|
|
}
|
|
if (isArray(returns)) {
|
|
genNodeListAsArray(returns, context);
|
|
} else {
|
|
genNode(returns, context);
|
|
}
|
|
} else if (body) {
|
|
genNode(body, context);
|
|
}
|
|
if (newline || body) {
|
|
deindent();
|
|
push(`}`);
|
|
}
|
|
if (isSlot) {
|
|
if (node.isNonScopedSlot) {
|
|
push(`, undefined, true`);
|
|
}
|
|
push(`)`);
|
|
}
|
|
}
|
|
function genConditionalExpression(node, context) {
|
|
const { test, consequent, alternate, newline: needNewline } = node;
|
|
const { push, indent, deindent, newline } = context;
|
|
if (test.type === 4) {
|
|
const needsParens = !isSimpleIdentifier(test.content);
|
|
needsParens && push(`(`);
|
|
genExpression(test, context);
|
|
needsParens && push(`)`);
|
|
} else {
|
|
push(`(`);
|
|
genNode(test, context);
|
|
push(`)`);
|
|
}
|
|
needNewline && indent();
|
|
context.indentLevel++;
|
|
needNewline || push(` `);
|
|
push(`? `);
|
|
genNode(consequent, context);
|
|
context.indentLevel--;
|
|
needNewline && newline();
|
|
needNewline || push(` `);
|
|
push(`: `);
|
|
const isNested = alternate.type === 19;
|
|
if (!isNested) {
|
|
context.indentLevel++;
|
|
}
|
|
genNode(alternate, context);
|
|
if (!isNested) {
|
|
context.indentLevel--;
|
|
}
|
|
needNewline && deindent(
|
|
true
|
|
/* without newline */
|
|
);
|
|
}
|
|
function genCacheExpression(node, context) {
|
|
const { push, helper, indent, deindent, newline } = context;
|
|
const { needPauseTracking, needArraySpread } = node;
|
|
if (needArraySpread) {
|
|
push(`[...(`);
|
|
}
|
|
push(`_cache[${node.index}] || (`);
|
|
if (needPauseTracking) {
|
|
indent();
|
|
push(`${helper(SET_BLOCK_TRACKING)}(-1`);
|
|
if (node.inVOnce) push(`, true`);
|
|
push(`),`);
|
|
newline();
|
|
push(`(`);
|
|
}
|
|
push(`_cache[${node.index}] = `);
|
|
genNode(node.value, context);
|
|
if (needPauseTracking) {
|
|
push(`).cacheIndex = ${node.index},`);
|
|
newline();
|
|
push(`${helper(SET_BLOCK_TRACKING)}(1),`);
|
|
newline();
|
|
push(`_cache[${node.index}]`);
|
|
deindent();
|
|
}
|
|
push(`)`);
|
|
if (needArraySpread) {
|
|
push(`)]`);
|
|
}
|
|
}
|
|
|
|
const prohibitedKeywordRE = new RegExp(
|
|
"\\b" + "arguments,await,break,case,catch,class,const,continue,debugger,default,delete,do,else,export,extends,finally,for,function,if,import,let,new,return,super,switch,throw,try,var,void,while,with,yield".split(",").join("\\b|\\b") + "\\b"
|
|
);
|
|
const stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
|
|
function validateBrowserExpression(node, context, asParams = false, asRawStatements = false) {
|
|
const exp = node.content;
|
|
if (!exp.trim()) {
|
|
return;
|
|
}
|
|
try {
|
|
new Function(
|
|
asRawStatements ? ` ${exp} ` : `return ${asParams ? `(${exp}) => {}` : `(${exp})`}`
|
|
);
|
|
} catch (e) {
|
|
let message = e.message;
|
|
const keywordMatch = exp.replace(stripStringRE, "").match(prohibitedKeywordRE);
|
|
if (keywordMatch) {
|
|
message = `avoid using JavaScript keyword as property name: "${keywordMatch[0]}"`;
|
|
}
|
|
context.onError(
|
|
createCompilerError(
|
|
45,
|
|
node.loc,
|
|
void 0,
|
|
message
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
const transformExpression = (node, context) => {
|
|
if (node.type === 5) {
|
|
node.content = processExpression(
|
|
node.content,
|
|
context
|
|
);
|
|
} else if (node.type === 1) {
|
|
const memo = findDir(node, "memo");
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const dir = node.props[i];
|
|
if (dir.type === 7 && dir.name !== "for") {
|
|
const exp = dir.exp;
|
|
const arg = dir.arg;
|
|
if (exp && exp.type === 4 && !(dir.name === "on" && arg) && // key has been processed in transformFor(vMemo + vFor)
|
|
!(memo && arg && arg.type === 4 && arg.content === "key")) {
|
|
dir.exp = processExpression(
|
|
exp,
|
|
context,
|
|
// slot args must be processed as function params
|
|
dir.name === "slot"
|
|
);
|
|
}
|
|
if (arg && arg.type === 4 && !arg.isStatic) {
|
|
dir.arg = processExpression(arg, context);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
function processExpression(node, context, asParams = false, asRawStatements = false, localVars = Object.create(context.identifiers)) {
|
|
{
|
|
{
|
|
validateBrowserExpression(node, context, asParams, asRawStatements);
|
|
}
|
|
return node;
|
|
}
|
|
}
|
|
function stringifyExpression(exp) {
|
|
if (isString(exp)) {
|
|
return exp;
|
|
} else if (exp.type === 4) {
|
|
return exp.content;
|
|
} else {
|
|
return exp.children.map(stringifyExpression).join("");
|
|
}
|
|
}
|
|
|
|
const transformIf = createStructuralDirectiveTransform(
|
|
/^(?:if|else|else-if)$/,
|
|
(node, dir, context) => {
|
|
return processIf(node, dir, context, (ifNode, branch, isRoot) => {
|
|
const siblings = context.parent.children;
|
|
let i = siblings.indexOf(ifNode);
|
|
let key = 0;
|
|
while (i-- >= 0) {
|
|
const sibling = siblings[i];
|
|
if (sibling && sibling.type === 9) {
|
|
key += sibling.branches.length;
|
|
}
|
|
}
|
|
return () => {
|
|
if (isRoot) {
|
|
ifNode.codegenNode = createCodegenNodeForBranch(
|
|
branch,
|
|
key,
|
|
context
|
|
);
|
|
} else {
|
|
const parentCondition = getParentCondition(ifNode.codegenNode);
|
|
parentCondition.alternate = createCodegenNodeForBranch(
|
|
branch,
|
|
key + ifNode.branches.length - 1,
|
|
context
|
|
);
|
|
}
|
|
};
|
|
});
|
|
}
|
|
);
|
|
function processIf(node, dir, context, processCodegen) {
|
|
if (dir.name !== "else" && (!dir.exp || !dir.exp.content.trim())) {
|
|
const loc = dir.exp ? dir.exp.loc : node.loc;
|
|
context.onError(
|
|
createCompilerError(28, dir.loc)
|
|
);
|
|
dir.exp = createSimpleExpression(`true`, false, loc);
|
|
}
|
|
if (dir.exp) {
|
|
validateBrowserExpression(dir.exp, context);
|
|
}
|
|
if (dir.name === "if") {
|
|
const branch = createIfBranch(node, dir);
|
|
const ifNode = {
|
|
type: 9,
|
|
loc: cloneLoc(node.loc),
|
|
branches: [branch]
|
|
};
|
|
context.replaceNode(ifNode);
|
|
if (processCodegen) {
|
|
return processCodegen(ifNode, branch, true);
|
|
}
|
|
} else {
|
|
const siblings = context.parent.children;
|
|
const comments = [];
|
|
let i = siblings.indexOf(node);
|
|
while (i-- >= -1) {
|
|
const sibling = siblings[i];
|
|
if (sibling && sibling.type === 3) {
|
|
context.removeNode(sibling);
|
|
comments.unshift(sibling);
|
|
continue;
|
|
}
|
|
if (sibling && sibling.type === 2 && !sibling.content.trim().length) {
|
|
context.removeNode(sibling);
|
|
continue;
|
|
}
|
|
if (sibling && sibling.type === 9) {
|
|
if ((dir.name === "else-if" || dir.name === "else") && sibling.branches[sibling.branches.length - 1].condition === void 0) {
|
|
context.onError(
|
|
createCompilerError(30, node.loc)
|
|
);
|
|
}
|
|
context.removeNode();
|
|
const branch = createIfBranch(node, dir);
|
|
if (comments.length && // #3619 ignore comments if the v-if is direct child of <transition>
|
|
!(context.parent && context.parent.type === 1 && (context.parent.tag === "transition" || context.parent.tag === "Transition"))) {
|
|
branch.children = [...comments, ...branch.children];
|
|
}
|
|
{
|
|
const key = branch.userKey;
|
|
if (key) {
|
|
sibling.branches.forEach(({ userKey }) => {
|
|
if (isSameKey(userKey, key)) {
|
|
context.onError(
|
|
createCompilerError(
|
|
29,
|
|
branch.userKey.loc
|
|
)
|
|
);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
sibling.branches.push(branch);
|
|
const onExit = processCodegen && processCodegen(sibling, branch, false);
|
|
traverseNode(branch, context);
|
|
if (onExit) onExit();
|
|
context.currentNode = null;
|
|
} else {
|
|
context.onError(
|
|
createCompilerError(30, node.loc)
|
|
);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
function createIfBranch(node, dir) {
|
|
const isTemplateIf = node.tagType === 3;
|
|
return {
|
|
type: 10,
|
|
loc: node.loc,
|
|
condition: dir.name === "else" ? void 0 : dir.exp,
|
|
children: isTemplateIf && !findDir(node, "for") ? node.children : [node],
|
|
userKey: findProp(node, `key`),
|
|
isTemplateIf
|
|
};
|
|
}
|
|
function createCodegenNodeForBranch(branch, keyIndex, context) {
|
|
if (branch.condition) {
|
|
return createConditionalExpression(
|
|
branch.condition,
|
|
createChildrenCodegenNode(branch, keyIndex, context),
|
|
// make sure to pass in asBlock: true so that the comment node call
|
|
// closes the current block.
|
|
createCallExpression(context.helper(CREATE_COMMENT), [
|
|
'"v-if"' ,
|
|
"true"
|
|
])
|
|
);
|
|
} else {
|
|
return createChildrenCodegenNode(branch, keyIndex, context);
|
|
}
|
|
}
|
|
function createChildrenCodegenNode(branch, keyIndex, context) {
|
|
const { helper } = context;
|
|
const keyProperty = createObjectProperty(
|
|
`key`,
|
|
createSimpleExpression(
|
|
`${keyIndex}`,
|
|
false,
|
|
locStub,
|
|
2
|
|
)
|
|
);
|
|
const { children } = branch;
|
|
const firstChild = children[0];
|
|
const needFragmentWrapper = children.length !== 1 || firstChild.type !== 1;
|
|
if (needFragmentWrapper) {
|
|
if (children.length === 1 && firstChild.type === 11) {
|
|
const vnodeCall = firstChild.codegenNode;
|
|
injectProp(vnodeCall, keyProperty, context);
|
|
return vnodeCall;
|
|
} else {
|
|
let patchFlag = 64;
|
|
if (!branch.isTemplateIf && children.filter((c) => c.type !== 3).length === 1) {
|
|
patchFlag |= 2048;
|
|
}
|
|
return createVNodeCall(
|
|
context,
|
|
helper(FRAGMENT),
|
|
createObjectExpression([keyProperty]),
|
|
children,
|
|
patchFlag,
|
|
void 0,
|
|
void 0,
|
|
true,
|
|
false,
|
|
false,
|
|
branch.loc
|
|
);
|
|
}
|
|
} else {
|
|
const ret = firstChild.codegenNode;
|
|
const vnodeCall = getMemoedVNodeCall(ret);
|
|
if (vnodeCall.type === 13) {
|
|
convertToBlock(vnodeCall, context);
|
|
}
|
|
injectProp(vnodeCall, keyProperty, context);
|
|
return ret;
|
|
}
|
|
}
|
|
function isSameKey(a, b) {
|
|
if (!a || a.type !== b.type) {
|
|
return false;
|
|
}
|
|
if (a.type === 6) {
|
|
if (a.value.content !== b.value.content) {
|
|
return false;
|
|
}
|
|
} else {
|
|
const exp = a.exp;
|
|
const branchExp = b.exp;
|
|
if (exp.type !== branchExp.type) {
|
|
return false;
|
|
}
|
|
if (exp.type !== 4 || exp.isStatic !== branchExp.isStatic || exp.content !== branchExp.content) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
function getParentCondition(node) {
|
|
while (true) {
|
|
if (node.type === 19) {
|
|
if (node.alternate.type === 19) {
|
|
node = node.alternate;
|
|
} else {
|
|
return node;
|
|
}
|
|
} else if (node.type === 20) {
|
|
node = node.value;
|
|
}
|
|
}
|
|
}
|
|
|
|
const transformBind = (dir, _node, context) => {
|
|
const { modifiers, loc } = dir;
|
|
const arg = dir.arg;
|
|
let { exp } = dir;
|
|
if (exp && exp.type === 4 && !exp.content.trim()) {
|
|
{
|
|
exp = void 0;
|
|
}
|
|
}
|
|
if (!exp) {
|
|
if (arg.type !== 4 || !arg.isStatic) {
|
|
context.onError(
|
|
createCompilerError(
|
|
52,
|
|
arg.loc
|
|
)
|
|
);
|
|
return {
|
|
props: [
|
|
createObjectProperty(arg, createSimpleExpression("", true, loc))
|
|
]
|
|
};
|
|
}
|
|
transformBindShorthand(dir);
|
|
exp = dir.exp;
|
|
}
|
|
if (arg.type !== 4) {
|
|
arg.children.unshift(`(`);
|
|
arg.children.push(`) || ""`);
|
|
} else if (!arg.isStatic) {
|
|
arg.content = arg.content ? `${arg.content} || ""` : `""`;
|
|
}
|
|
if (modifiers.some((mod) => mod.content === "camel")) {
|
|
if (arg.type === 4) {
|
|
if (arg.isStatic) {
|
|
arg.content = camelize(arg.content);
|
|
} else {
|
|
arg.content = `${context.helperString(CAMELIZE)}(${arg.content})`;
|
|
}
|
|
} else {
|
|
arg.children.unshift(`${context.helperString(CAMELIZE)}(`);
|
|
arg.children.push(`)`);
|
|
}
|
|
}
|
|
if (!context.inSSR) {
|
|
if (modifiers.some((mod) => mod.content === "prop")) {
|
|
injectPrefix(arg, ".");
|
|
}
|
|
if (modifiers.some((mod) => mod.content === "attr")) {
|
|
injectPrefix(arg, "^");
|
|
}
|
|
}
|
|
return {
|
|
props: [createObjectProperty(arg, exp)]
|
|
};
|
|
};
|
|
const transformBindShorthand = (dir, context) => {
|
|
const arg = dir.arg;
|
|
const propName = camelize(arg.content);
|
|
dir.exp = createSimpleExpression(propName, false, arg.loc);
|
|
};
|
|
const injectPrefix = (arg, prefix) => {
|
|
if (arg.type === 4) {
|
|
if (arg.isStatic) {
|
|
arg.content = prefix + arg.content;
|
|
} else {
|
|
arg.content = `\`${prefix}\${${arg.content}}\``;
|
|
}
|
|
} else {
|
|
arg.children.unshift(`'${prefix}' + (`);
|
|
arg.children.push(`)`);
|
|
}
|
|
};
|
|
|
|
const transformFor = createStructuralDirectiveTransform(
|
|
"for",
|
|
(node, dir, context) => {
|
|
const { helper, removeHelper } = context;
|
|
return processFor(node, dir, context, (forNode) => {
|
|
const renderExp = createCallExpression(helper(RENDER_LIST), [
|
|
forNode.source
|
|
]);
|
|
const isTemplate = isTemplateNode(node);
|
|
const memo = findDir(node, "memo");
|
|
const keyProp = findProp(node, `key`, false, true);
|
|
const isDirKey = keyProp && keyProp.type === 7;
|
|
if (isDirKey && !keyProp.exp) {
|
|
transformBindShorthand(keyProp);
|
|
}
|
|
let keyExp = keyProp && (keyProp.type === 6 ? keyProp.value ? createSimpleExpression(keyProp.value.content, true) : void 0 : keyProp.exp);
|
|
const keyProperty = keyProp && keyExp ? createObjectProperty(`key`, keyExp) : null;
|
|
const isStableFragment = forNode.source.type === 4 && forNode.source.constType > 0;
|
|
const fragmentFlag = isStableFragment ? 64 : keyProp ? 128 : 256;
|
|
forNode.codegenNode = createVNodeCall(
|
|
context,
|
|
helper(FRAGMENT),
|
|
void 0,
|
|
renderExp,
|
|
fragmentFlag,
|
|
void 0,
|
|
void 0,
|
|
true,
|
|
!isStableFragment,
|
|
false,
|
|
node.loc
|
|
);
|
|
return () => {
|
|
let childBlock;
|
|
const { children } = forNode;
|
|
if (isTemplate) {
|
|
node.children.some((c) => {
|
|
if (c.type === 1) {
|
|
const key = findProp(c, "key");
|
|
if (key) {
|
|
context.onError(
|
|
createCompilerError(
|
|
33,
|
|
key.loc
|
|
)
|
|
);
|
|
return true;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
const needFragmentWrapper = children.length !== 1 || children[0].type !== 1;
|
|
const slotOutlet = isSlotOutlet(node) ? node : isTemplate && node.children.length === 1 && isSlotOutlet(node.children[0]) ? node.children[0] : null;
|
|
if (slotOutlet) {
|
|
childBlock = slotOutlet.codegenNode;
|
|
if (isTemplate && keyProperty) {
|
|
injectProp(childBlock, keyProperty, context);
|
|
}
|
|
} else if (needFragmentWrapper) {
|
|
childBlock = createVNodeCall(
|
|
context,
|
|
helper(FRAGMENT),
|
|
keyProperty ? createObjectExpression([keyProperty]) : void 0,
|
|
node.children,
|
|
64,
|
|
void 0,
|
|
void 0,
|
|
true,
|
|
void 0,
|
|
false
|
|
);
|
|
} else {
|
|
childBlock = children[0].codegenNode;
|
|
if (isTemplate && keyProperty) {
|
|
injectProp(childBlock, keyProperty, context);
|
|
}
|
|
if (childBlock.isBlock !== !isStableFragment) {
|
|
if (childBlock.isBlock) {
|
|
removeHelper(OPEN_BLOCK);
|
|
removeHelper(
|
|
getVNodeBlockHelper(context.inSSR, childBlock.isComponent)
|
|
);
|
|
} else {
|
|
removeHelper(
|
|
getVNodeHelper(context.inSSR, childBlock.isComponent)
|
|
);
|
|
}
|
|
}
|
|
childBlock.isBlock = !isStableFragment;
|
|
if (childBlock.isBlock) {
|
|
helper(OPEN_BLOCK);
|
|
helper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
|
|
} else {
|
|
helper(getVNodeHelper(context.inSSR, childBlock.isComponent));
|
|
}
|
|
}
|
|
if (memo) {
|
|
const loop = createFunctionExpression(
|
|
createForLoopParams(forNode.parseResult, [
|
|
createSimpleExpression(`_cached`)
|
|
])
|
|
);
|
|
loop.body = createBlockStatement([
|
|
createCompoundExpression([`const _memo = (`, memo.exp, `)`]),
|
|
createCompoundExpression([
|
|
`if (_cached`,
|
|
...keyExp ? [` && _cached.key === `, keyExp] : [],
|
|
` && ${context.helperString(
|
|
IS_MEMO_SAME
|
|
)}(_cached, _memo)) return _cached`
|
|
]),
|
|
createCompoundExpression([`const _item = `, childBlock]),
|
|
createSimpleExpression(`_item.memo = _memo`),
|
|
createSimpleExpression(`return _item`)
|
|
]);
|
|
renderExp.arguments.push(
|
|
loop,
|
|
createSimpleExpression(`_cache`),
|
|
createSimpleExpression(String(context.cached.length))
|
|
);
|
|
context.cached.push(null);
|
|
} else {
|
|
renderExp.arguments.push(
|
|
createFunctionExpression(
|
|
createForLoopParams(forNode.parseResult),
|
|
childBlock,
|
|
true
|
|
)
|
|
);
|
|
}
|
|
};
|
|
});
|
|
}
|
|
);
|
|
function processFor(node, dir, context, processCodegen) {
|
|
if (!dir.exp) {
|
|
context.onError(
|
|
createCompilerError(31, dir.loc)
|
|
);
|
|
return;
|
|
}
|
|
const parseResult = dir.forParseResult;
|
|
if (!parseResult) {
|
|
context.onError(
|
|
createCompilerError(32, dir.loc)
|
|
);
|
|
return;
|
|
}
|
|
finalizeForParseResult(parseResult, context);
|
|
const { addIdentifiers, removeIdentifiers, scopes } = context;
|
|
const { source, value, key, index } = parseResult;
|
|
const forNode = {
|
|
type: 11,
|
|
loc: dir.loc,
|
|
source,
|
|
valueAlias: value,
|
|
keyAlias: key,
|
|
objectIndexAlias: index,
|
|
parseResult,
|
|
children: isTemplateNode(node) ? node.children : [node]
|
|
};
|
|
context.replaceNode(forNode);
|
|
scopes.vFor++;
|
|
const onExit = processCodegen && processCodegen(forNode);
|
|
return () => {
|
|
scopes.vFor--;
|
|
if (onExit) onExit();
|
|
};
|
|
}
|
|
function finalizeForParseResult(result, context) {
|
|
if (result.finalized) return;
|
|
{
|
|
validateBrowserExpression(result.source, context);
|
|
if (result.key) {
|
|
validateBrowserExpression(
|
|
result.key,
|
|
context,
|
|
true
|
|
);
|
|
}
|
|
if (result.index) {
|
|
validateBrowserExpression(
|
|
result.index,
|
|
context,
|
|
true
|
|
);
|
|
}
|
|
if (result.value) {
|
|
validateBrowserExpression(
|
|
result.value,
|
|
context,
|
|
true
|
|
);
|
|
}
|
|
}
|
|
result.finalized = true;
|
|
}
|
|
function createForLoopParams({ value, key, index }, memoArgs = []) {
|
|
return createParamsList([value, key, index, ...memoArgs]);
|
|
}
|
|
function createParamsList(args) {
|
|
let i = args.length;
|
|
while (i--) {
|
|
if (args[i]) break;
|
|
}
|
|
return args.slice(0, i + 1).map((arg, i2) => arg || createSimpleExpression(`_`.repeat(i2 + 1), false));
|
|
}
|
|
|
|
const defaultFallback = createSimpleExpression(`undefined`, false);
|
|
const trackSlotScopes = (node, context) => {
|
|
if (node.type === 1 && (node.tagType === 1 || node.tagType === 3)) {
|
|
const vSlot = findDir(node, "slot");
|
|
if (vSlot) {
|
|
vSlot.exp;
|
|
context.scopes.vSlot++;
|
|
return () => {
|
|
context.scopes.vSlot--;
|
|
};
|
|
}
|
|
}
|
|
};
|
|
const trackVForSlotScopes = (node, context) => {
|
|
let vFor;
|
|
if (isTemplateNode(node) && node.props.some(isVSlot) && (vFor = findDir(node, "for"))) {
|
|
const result = vFor.forParseResult;
|
|
if (result) {
|
|
finalizeForParseResult(result, context);
|
|
const { value, key, index } = result;
|
|
const { addIdentifiers, removeIdentifiers } = context;
|
|
value && addIdentifiers(value);
|
|
key && addIdentifiers(key);
|
|
index && addIdentifiers(index);
|
|
return () => {
|
|
value && removeIdentifiers(value);
|
|
key && removeIdentifiers(key);
|
|
index && removeIdentifiers(index);
|
|
};
|
|
}
|
|
}
|
|
};
|
|
const buildClientSlotFn = (props, _vForExp, children, loc) => createFunctionExpression(
|
|
props,
|
|
children,
|
|
false,
|
|
true,
|
|
children.length ? children[0].loc : loc
|
|
);
|
|
function buildSlots(node, context, buildSlotFn = buildClientSlotFn) {
|
|
context.helper(WITH_CTX);
|
|
const { children, loc } = node;
|
|
const slotsProperties = [];
|
|
const dynamicSlots = [];
|
|
let hasDynamicSlots = context.scopes.vSlot > 0 || context.scopes.vFor > 0;
|
|
const onComponentSlot = findDir(node, "slot", true);
|
|
if (onComponentSlot) {
|
|
const { arg, exp } = onComponentSlot;
|
|
if (arg && !isStaticExp(arg)) {
|
|
hasDynamicSlots = true;
|
|
}
|
|
slotsProperties.push(
|
|
createObjectProperty(
|
|
arg || createSimpleExpression("default", true),
|
|
buildSlotFn(exp, void 0, children, loc)
|
|
)
|
|
);
|
|
}
|
|
let hasTemplateSlots = false;
|
|
let hasNamedDefaultSlot = false;
|
|
const implicitDefaultChildren = [];
|
|
const seenSlotNames = /* @__PURE__ */ new Set();
|
|
let conditionalBranchIndex = 0;
|
|
for (let i = 0; i < children.length; i++) {
|
|
const slotElement = children[i];
|
|
let slotDir;
|
|
if (!isTemplateNode(slotElement) || !(slotDir = findDir(slotElement, "slot", true))) {
|
|
if (slotElement.type !== 3) {
|
|
implicitDefaultChildren.push(slotElement);
|
|
}
|
|
continue;
|
|
}
|
|
if (onComponentSlot) {
|
|
context.onError(
|
|
createCompilerError(37, slotDir.loc)
|
|
);
|
|
break;
|
|
}
|
|
hasTemplateSlots = true;
|
|
const { children: slotChildren, loc: slotLoc } = slotElement;
|
|
const {
|
|
arg: slotName = createSimpleExpression(`default`, true),
|
|
exp: slotProps,
|
|
loc: dirLoc
|
|
} = slotDir;
|
|
let staticSlotName;
|
|
if (isStaticExp(slotName)) {
|
|
staticSlotName = slotName ? slotName.content : `default`;
|
|
} else {
|
|
hasDynamicSlots = true;
|
|
}
|
|
const vFor = findDir(slotElement, "for");
|
|
const slotFunction = buildSlotFn(slotProps, vFor, slotChildren, slotLoc);
|
|
let vIf;
|
|
let vElse;
|
|
if (vIf = findDir(slotElement, "if")) {
|
|
hasDynamicSlots = true;
|
|
dynamicSlots.push(
|
|
createConditionalExpression(
|
|
vIf.exp,
|
|
buildDynamicSlot(slotName, slotFunction, conditionalBranchIndex++),
|
|
defaultFallback
|
|
)
|
|
);
|
|
} else if (vElse = findDir(
|
|
slotElement,
|
|
/^else(?:-if)?$/,
|
|
true
|
|
/* allowEmpty */
|
|
)) {
|
|
let j = i;
|
|
let prev;
|
|
while (j--) {
|
|
prev = children[j];
|
|
if (prev.type !== 3 && isNonWhitespaceContent(prev)) {
|
|
break;
|
|
}
|
|
}
|
|
if (prev && isTemplateNode(prev) && findDir(prev, /^(?:else-)?if$/)) {
|
|
let conditional = dynamicSlots[dynamicSlots.length - 1];
|
|
while (conditional.alternate.type === 19) {
|
|
conditional = conditional.alternate;
|
|
}
|
|
conditional.alternate = vElse.exp ? createConditionalExpression(
|
|
vElse.exp,
|
|
buildDynamicSlot(
|
|
slotName,
|
|
slotFunction,
|
|
conditionalBranchIndex++
|
|
),
|
|
defaultFallback
|
|
) : buildDynamicSlot(slotName, slotFunction, conditionalBranchIndex++);
|
|
} else {
|
|
context.onError(
|
|
createCompilerError(30, vElse.loc)
|
|
);
|
|
}
|
|
} else if (vFor) {
|
|
hasDynamicSlots = true;
|
|
const parseResult = vFor.forParseResult;
|
|
if (parseResult) {
|
|
finalizeForParseResult(parseResult, context);
|
|
dynamicSlots.push(
|
|
createCallExpression(context.helper(RENDER_LIST), [
|
|
parseResult.source,
|
|
createFunctionExpression(
|
|
createForLoopParams(parseResult),
|
|
buildDynamicSlot(slotName, slotFunction),
|
|
true
|
|
)
|
|
])
|
|
);
|
|
} else {
|
|
context.onError(
|
|
createCompilerError(
|
|
32,
|
|
vFor.loc
|
|
)
|
|
);
|
|
}
|
|
} else {
|
|
if (staticSlotName) {
|
|
if (seenSlotNames.has(staticSlotName)) {
|
|
context.onError(
|
|
createCompilerError(
|
|
38,
|
|
dirLoc
|
|
)
|
|
);
|
|
continue;
|
|
}
|
|
seenSlotNames.add(staticSlotName);
|
|
if (staticSlotName === "default") {
|
|
hasNamedDefaultSlot = true;
|
|
}
|
|
}
|
|
slotsProperties.push(createObjectProperty(slotName, slotFunction));
|
|
}
|
|
}
|
|
if (!onComponentSlot) {
|
|
const buildDefaultSlotProperty = (props, children2) => {
|
|
const fn = buildSlotFn(props, void 0, children2, loc);
|
|
if (context.compatConfig) {
|
|
fn.isNonScopedSlot = true;
|
|
}
|
|
return createObjectProperty(`default`, fn);
|
|
};
|
|
if (!hasTemplateSlots) {
|
|
slotsProperties.push(buildDefaultSlotProperty(void 0, children));
|
|
} else if (implicitDefaultChildren.length && // #3766
|
|
// with whitespace: 'preserve', whitespaces between slots will end up in
|
|
// implicitDefaultChildren. Ignore if all implicit children are whitespaces.
|
|
implicitDefaultChildren.some((node2) => isNonWhitespaceContent(node2))) {
|
|
if (hasNamedDefaultSlot) {
|
|
context.onError(
|
|
createCompilerError(
|
|
39,
|
|
implicitDefaultChildren[0].loc
|
|
)
|
|
);
|
|
} else {
|
|
slotsProperties.push(
|
|
buildDefaultSlotProperty(void 0, implicitDefaultChildren)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
const slotFlag = hasDynamicSlots ? 2 : hasForwardedSlots(node.children) ? 3 : 1;
|
|
let slots = createObjectExpression(
|
|
slotsProperties.concat(
|
|
createObjectProperty(
|
|
`_`,
|
|
// 2 = compiled but dynamic = can skip normalization, but must run diff
|
|
// 1 = compiled and static = can skip normalization AND diff as optimized
|
|
createSimpleExpression(
|
|
slotFlag + (` /* ${slotFlagsText[slotFlag]} */` ),
|
|
false
|
|
)
|
|
)
|
|
),
|
|
loc
|
|
);
|
|
if (dynamicSlots.length) {
|
|
slots = createCallExpression(context.helper(CREATE_SLOTS), [
|
|
slots,
|
|
createArrayExpression(dynamicSlots)
|
|
]);
|
|
}
|
|
return {
|
|
slots,
|
|
hasDynamicSlots
|
|
};
|
|
}
|
|
function buildDynamicSlot(name, fn, index) {
|
|
const props = [
|
|
createObjectProperty(`name`, name),
|
|
createObjectProperty(`fn`, fn)
|
|
];
|
|
if (index != null) {
|
|
props.push(
|
|
createObjectProperty(`key`, createSimpleExpression(String(index), true))
|
|
);
|
|
}
|
|
return createObjectExpression(props);
|
|
}
|
|
function hasForwardedSlots(children) {
|
|
for (let i = 0; i < children.length; i++) {
|
|
const child = children[i];
|
|
switch (child.type) {
|
|
case 1:
|
|
if (child.tagType === 2 || hasForwardedSlots(child.children)) {
|
|
return true;
|
|
}
|
|
break;
|
|
case 9:
|
|
if (hasForwardedSlots(child.branches)) return true;
|
|
break;
|
|
case 10:
|
|
case 11:
|
|
if (hasForwardedSlots(child.children)) return true;
|
|
break;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function isNonWhitespaceContent(node) {
|
|
if (node.type !== 2 && node.type !== 12)
|
|
return true;
|
|
return node.type === 2 ? !!node.content.trim() : isNonWhitespaceContent(node.content);
|
|
}
|
|
|
|
const directiveImportMap = /* @__PURE__ */ new WeakMap();
|
|
const transformElement = (node, context) => {
|
|
return function postTransformElement() {
|
|
node = context.currentNode;
|
|
if (!(node.type === 1 && (node.tagType === 0 || node.tagType === 1))) {
|
|
return;
|
|
}
|
|
const { tag, props } = node;
|
|
const isComponent = node.tagType === 1;
|
|
let vnodeTag = isComponent ? resolveComponentType(node, context) : `"${tag}"`;
|
|
const isDynamicComponent = isObject(vnodeTag) && vnodeTag.callee === RESOLVE_DYNAMIC_COMPONENT;
|
|
let vnodeProps;
|
|
let vnodeChildren;
|
|
let patchFlag = 0;
|
|
let vnodeDynamicProps;
|
|
let dynamicPropNames;
|
|
let vnodeDirectives;
|
|
let shouldUseBlock = (
|
|
// dynamic component may resolve to plain elements
|
|
isDynamicComponent || vnodeTag === TELEPORT || vnodeTag === SUSPENSE || !isComponent && // <svg> and <foreignObject> must be forced into blocks so that block
|
|
// updates inside get proper isSVG flag at runtime. (#639, #643)
|
|
// This is technically web-specific, but splitting the logic out of core
|
|
// leads to too much unnecessary complexity.
|
|
(tag === "svg" || tag === "foreignObject" || tag === "math")
|
|
);
|
|
if (props.length > 0) {
|
|
const propsBuildResult = buildProps(
|
|
node,
|
|
context,
|
|
void 0,
|
|
isComponent,
|
|
isDynamicComponent
|
|
);
|
|
vnodeProps = propsBuildResult.props;
|
|
patchFlag = propsBuildResult.patchFlag;
|
|
dynamicPropNames = propsBuildResult.dynamicPropNames;
|
|
const directives = propsBuildResult.directives;
|
|
vnodeDirectives = directives && directives.length ? createArrayExpression(
|
|
directives.map((dir) => buildDirectiveArgs(dir, context))
|
|
) : void 0;
|
|
if (propsBuildResult.shouldUseBlock) {
|
|
shouldUseBlock = true;
|
|
}
|
|
}
|
|
if (node.children.length > 0) {
|
|
if (vnodeTag === KEEP_ALIVE) {
|
|
shouldUseBlock = true;
|
|
patchFlag |= 1024;
|
|
if (node.children.length > 1) {
|
|
context.onError(
|
|
createCompilerError(46, {
|
|
start: node.children[0].loc.start,
|
|
end: node.children[node.children.length - 1].loc.end,
|
|
source: ""
|
|
})
|
|
);
|
|
}
|
|
}
|
|
const shouldBuildAsSlots = isComponent && // Teleport is not a real component and has dedicated runtime handling
|
|
vnodeTag !== TELEPORT && // explained above.
|
|
vnodeTag !== KEEP_ALIVE;
|
|
if (shouldBuildAsSlots) {
|
|
const { slots, hasDynamicSlots } = buildSlots(node, context);
|
|
vnodeChildren = slots;
|
|
if (hasDynamicSlots) {
|
|
patchFlag |= 1024;
|
|
}
|
|
} else if (node.children.length === 1 && vnodeTag !== TELEPORT) {
|
|
const child = node.children[0];
|
|
const type = child.type;
|
|
const hasDynamicTextChild = type === 5 || type === 8;
|
|
if (hasDynamicTextChild && getConstantType(child, context) === 0) {
|
|
patchFlag |= 1;
|
|
}
|
|
if (hasDynamicTextChild || type === 2) {
|
|
vnodeChildren = child;
|
|
} else {
|
|
vnodeChildren = node.children;
|
|
}
|
|
} else {
|
|
vnodeChildren = node.children;
|
|
}
|
|
}
|
|
if (dynamicPropNames && dynamicPropNames.length) {
|
|
vnodeDynamicProps = stringifyDynamicPropNames(dynamicPropNames);
|
|
}
|
|
node.codegenNode = createVNodeCall(
|
|
context,
|
|
vnodeTag,
|
|
vnodeProps,
|
|
vnodeChildren,
|
|
patchFlag === 0 ? void 0 : patchFlag,
|
|
vnodeDynamicProps,
|
|
vnodeDirectives,
|
|
!!shouldUseBlock,
|
|
false,
|
|
isComponent,
|
|
node.loc
|
|
);
|
|
};
|
|
};
|
|
function resolveComponentType(node, context, ssr = false) {
|
|
let { tag } = node;
|
|
const isExplicitDynamic = isComponentTag(tag);
|
|
const isProp = findProp(
|
|
node,
|
|
"is",
|
|
false,
|
|
true
|
|
/* allow empty */
|
|
);
|
|
if (isProp) {
|
|
if (isExplicitDynamic || isCompatEnabled(
|
|
"COMPILER_IS_ON_ELEMENT",
|
|
context
|
|
)) {
|
|
let exp;
|
|
if (isProp.type === 6) {
|
|
exp = isProp.value && createSimpleExpression(isProp.value.content, true);
|
|
} else {
|
|
exp = isProp.exp;
|
|
if (!exp) {
|
|
exp = createSimpleExpression(`is`, false, isProp.arg.loc);
|
|
}
|
|
}
|
|
if (exp) {
|
|
return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
|
|
exp
|
|
]);
|
|
}
|
|
} else if (isProp.type === 6 && isProp.value.content.startsWith("vue:")) {
|
|
tag = isProp.value.content.slice(4);
|
|
}
|
|
}
|
|
const builtIn = isCoreComponent(tag) || context.isBuiltInComponent(tag);
|
|
if (builtIn) {
|
|
if (!ssr) context.helper(builtIn);
|
|
return builtIn;
|
|
}
|
|
context.helper(RESOLVE_COMPONENT);
|
|
context.components.add(tag);
|
|
return toValidAssetId(tag, `component`);
|
|
}
|
|
function buildProps(node, context, props = node.props, isComponent, isDynamicComponent, ssr = false) {
|
|
const { tag, loc: elementLoc, children } = node;
|
|
let properties = [];
|
|
const mergeArgs = [];
|
|
const runtimeDirectives = [];
|
|
const hasChildren = children.length > 0;
|
|
let shouldUseBlock = false;
|
|
let patchFlag = 0;
|
|
let hasRef = false;
|
|
let hasClassBinding = false;
|
|
let hasStyleBinding = false;
|
|
let hasHydrationEventBinding = false;
|
|
let hasDynamicKeys = false;
|
|
let hasVnodeHook = false;
|
|
const dynamicPropNames = [];
|
|
const pushMergeArg = (arg) => {
|
|
if (properties.length) {
|
|
mergeArgs.push(
|
|
createObjectExpression(dedupeProperties(properties), elementLoc)
|
|
);
|
|
properties = [];
|
|
}
|
|
if (arg) mergeArgs.push(arg);
|
|
};
|
|
const pushRefVForMarker = () => {
|
|
if (context.scopes.vFor > 0) {
|
|
properties.push(
|
|
createObjectProperty(
|
|
createSimpleExpression("ref_for", true),
|
|
createSimpleExpression("true")
|
|
)
|
|
);
|
|
}
|
|
};
|
|
const analyzePatchFlag = ({ key, value }) => {
|
|
if (isStaticExp(key)) {
|
|
const name = key.content;
|
|
const isEventHandler = isOn(name);
|
|
if (isEventHandler && (!isComponent || isDynamicComponent) && // omit the flag for click handlers because hydration gives click
|
|
// dedicated fast path.
|
|
name.toLowerCase() !== "onclick" && // omit v-model handlers
|
|
name !== "onUpdate:modelValue" && // omit onVnodeXXX hooks
|
|
!isReservedProp(name)) {
|
|
hasHydrationEventBinding = true;
|
|
}
|
|
if (isEventHandler && isReservedProp(name)) {
|
|
hasVnodeHook = true;
|
|
}
|
|
if (isEventHandler && value.type === 14) {
|
|
value = value.arguments[0];
|
|
}
|
|
if (value.type === 20 || (value.type === 4 || value.type === 8) && getConstantType(value, context) > 0) {
|
|
return;
|
|
}
|
|
if (name === "ref") {
|
|
hasRef = true;
|
|
} else if (name === "class") {
|
|
hasClassBinding = true;
|
|
} else if (name === "style") {
|
|
hasStyleBinding = true;
|
|
} else if (name !== "key" && !dynamicPropNames.includes(name)) {
|
|
dynamicPropNames.push(name);
|
|
}
|
|
if (isComponent && (name === "class" || name === "style") && !dynamicPropNames.includes(name)) {
|
|
dynamicPropNames.push(name);
|
|
}
|
|
} else {
|
|
hasDynamicKeys = true;
|
|
}
|
|
};
|
|
for (let i = 0; i < props.length; i++) {
|
|
const prop = props[i];
|
|
if (prop.type === 6) {
|
|
const { loc, name, nameLoc, value } = prop;
|
|
let isStatic = true;
|
|
if (name === "ref") {
|
|
hasRef = true;
|
|
pushRefVForMarker();
|
|
}
|
|
if (name === "is" && (isComponentTag(tag) || value && value.content.startsWith("vue:") || isCompatEnabled(
|
|
"COMPILER_IS_ON_ELEMENT",
|
|
context
|
|
))) {
|
|
continue;
|
|
}
|
|
properties.push(
|
|
createObjectProperty(
|
|
createSimpleExpression(name, true, nameLoc),
|
|
createSimpleExpression(
|
|
value ? value.content : "",
|
|
isStatic,
|
|
value ? value.loc : loc
|
|
)
|
|
)
|
|
);
|
|
} else {
|
|
const { name, arg, exp, loc, modifiers } = prop;
|
|
const isVBind = name === "bind";
|
|
const isVOn = name === "on";
|
|
if (name === "slot") {
|
|
if (!isComponent) {
|
|
context.onError(
|
|
createCompilerError(40, loc)
|
|
);
|
|
}
|
|
continue;
|
|
}
|
|
if (name === "once" || name === "memo") {
|
|
continue;
|
|
}
|
|
if (name === "is" || isVBind && isStaticArgOf(arg, "is") && (isComponentTag(tag) || isCompatEnabled(
|
|
"COMPILER_IS_ON_ELEMENT",
|
|
context
|
|
))) {
|
|
continue;
|
|
}
|
|
if (isVOn && ssr) {
|
|
continue;
|
|
}
|
|
if (
|
|
// #938: elements with dynamic keys should be forced into blocks
|
|
isVBind && isStaticArgOf(arg, "key") || // inline before-update hooks need to force block so that it is invoked
|
|
// before children
|
|
isVOn && hasChildren && isStaticArgOf(arg, "vue:before-update")
|
|
) {
|
|
shouldUseBlock = true;
|
|
}
|
|
if (isVBind && isStaticArgOf(arg, "ref")) {
|
|
pushRefVForMarker();
|
|
}
|
|
if (!arg && (isVBind || isVOn)) {
|
|
hasDynamicKeys = true;
|
|
if (exp) {
|
|
if (isVBind) {
|
|
{
|
|
pushMergeArg();
|
|
{
|
|
const hasOverridableKeys = mergeArgs.some((arg2) => {
|
|
if (arg2.type === 15) {
|
|
return arg2.properties.some(({ key }) => {
|
|
if (key.type !== 4 || !key.isStatic) {
|
|
return true;
|
|
}
|
|
return key.content !== "class" && key.content !== "style" && !isOn(key.content);
|
|
});
|
|
} else {
|
|
return true;
|
|
}
|
|
});
|
|
if (hasOverridableKeys) {
|
|
checkCompatEnabled(
|
|
"COMPILER_V_BIND_OBJECT_ORDER",
|
|
context,
|
|
loc
|
|
);
|
|
}
|
|
}
|
|
if (isCompatEnabled(
|
|
"COMPILER_V_BIND_OBJECT_ORDER",
|
|
context
|
|
)) {
|
|
mergeArgs.unshift(exp);
|
|
continue;
|
|
}
|
|
}
|
|
pushRefVForMarker();
|
|
pushMergeArg();
|
|
mergeArgs.push(exp);
|
|
} else {
|
|
pushMergeArg({
|
|
type: 14,
|
|
loc,
|
|
callee: context.helper(TO_HANDLERS),
|
|
arguments: isComponent ? [exp] : [exp, `true`]
|
|
});
|
|
}
|
|
} else {
|
|
context.onError(
|
|
createCompilerError(
|
|
isVBind ? 34 : 35,
|
|
loc
|
|
)
|
|
);
|
|
}
|
|
continue;
|
|
}
|
|
if (isVBind && modifiers.some((mod) => mod.content === "prop")) {
|
|
patchFlag |= 32;
|
|
}
|
|
const directiveTransform = context.directiveTransforms[name];
|
|
if (directiveTransform) {
|
|
const { props: props2, needRuntime } = directiveTransform(prop, node, context);
|
|
!ssr && props2.forEach(analyzePatchFlag);
|
|
if (isVOn && arg && !isStaticExp(arg)) {
|
|
pushMergeArg(createObjectExpression(props2, elementLoc));
|
|
} else {
|
|
properties.push(...props2);
|
|
}
|
|
if (needRuntime) {
|
|
runtimeDirectives.push(prop);
|
|
if (isSymbol(needRuntime)) {
|
|
directiveImportMap.set(prop, needRuntime);
|
|
}
|
|
}
|
|
} else if (!isBuiltInDirective(name)) {
|
|
runtimeDirectives.push(prop);
|
|
if (hasChildren) {
|
|
shouldUseBlock = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
let propsExpression = void 0;
|
|
if (mergeArgs.length) {
|
|
pushMergeArg();
|
|
if (mergeArgs.length > 1) {
|
|
propsExpression = createCallExpression(
|
|
context.helper(MERGE_PROPS),
|
|
mergeArgs,
|
|
elementLoc
|
|
);
|
|
} else {
|
|
propsExpression = mergeArgs[0];
|
|
}
|
|
} else if (properties.length) {
|
|
propsExpression = createObjectExpression(
|
|
dedupeProperties(properties),
|
|
elementLoc
|
|
);
|
|
}
|
|
if (hasDynamicKeys) {
|
|
patchFlag |= 16;
|
|
} else {
|
|
if (hasClassBinding && !isComponent) {
|
|
patchFlag |= 2;
|
|
}
|
|
if (hasStyleBinding && !isComponent) {
|
|
patchFlag |= 4;
|
|
}
|
|
if (dynamicPropNames.length) {
|
|
patchFlag |= 8;
|
|
}
|
|
if (hasHydrationEventBinding) {
|
|
patchFlag |= 32;
|
|
}
|
|
}
|
|
if (!shouldUseBlock && (patchFlag === 0 || patchFlag === 32) && (hasRef || hasVnodeHook || runtimeDirectives.length > 0)) {
|
|
patchFlag |= 512;
|
|
}
|
|
if (!context.inSSR && propsExpression) {
|
|
switch (propsExpression.type) {
|
|
case 15:
|
|
let classKeyIndex = -1;
|
|
let styleKeyIndex = -1;
|
|
let hasDynamicKey = false;
|
|
for (let i = 0; i < propsExpression.properties.length; i++) {
|
|
const key = propsExpression.properties[i].key;
|
|
if (isStaticExp(key)) {
|
|
if (key.content === "class") {
|
|
classKeyIndex = i;
|
|
} else if (key.content === "style") {
|
|
styleKeyIndex = i;
|
|
}
|
|
} else if (!key.isHandlerKey) {
|
|
hasDynamicKey = true;
|
|
}
|
|
}
|
|
const classProp = propsExpression.properties[classKeyIndex];
|
|
const styleProp = propsExpression.properties[styleKeyIndex];
|
|
if (!hasDynamicKey) {
|
|
if (classProp && !isStaticExp(classProp.value)) {
|
|
classProp.value = createCallExpression(
|
|
context.helper(NORMALIZE_CLASS),
|
|
[classProp.value]
|
|
);
|
|
}
|
|
if (styleProp && // the static style is compiled into an object,
|
|
// so use `hasStyleBinding` to ensure that it is a dynamic style binding
|
|
(hasStyleBinding || styleProp.value.type === 4 && styleProp.value.content.trim()[0] === `[` || // v-bind:style and style both exist,
|
|
// v-bind:style with static literal object
|
|
styleProp.value.type === 17)) {
|
|
styleProp.value = createCallExpression(
|
|
context.helper(NORMALIZE_STYLE),
|
|
[styleProp.value]
|
|
);
|
|
}
|
|
} else {
|
|
propsExpression = createCallExpression(
|
|
context.helper(NORMALIZE_PROPS),
|
|
[propsExpression]
|
|
);
|
|
}
|
|
break;
|
|
case 14:
|
|
break;
|
|
default:
|
|
propsExpression = createCallExpression(
|
|
context.helper(NORMALIZE_PROPS),
|
|
[
|
|
createCallExpression(context.helper(GUARD_REACTIVE_PROPS), [
|
|
propsExpression
|
|
])
|
|
]
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
return {
|
|
props: propsExpression,
|
|
directives: runtimeDirectives,
|
|
patchFlag,
|
|
dynamicPropNames,
|
|
shouldUseBlock
|
|
};
|
|
}
|
|
function dedupeProperties(properties) {
|
|
const knownProps = /* @__PURE__ */ new Map();
|
|
const deduped = [];
|
|
for (let i = 0; i < properties.length; i++) {
|
|
const prop = properties[i];
|
|
if (prop.key.type === 8 || !prop.key.isStatic) {
|
|
deduped.push(prop);
|
|
continue;
|
|
}
|
|
const name = prop.key.content;
|
|
const existing = knownProps.get(name);
|
|
if (existing) {
|
|
if (name === "style" || name === "class" || isOn(name)) {
|
|
mergeAsArray(existing, prop);
|
|
}
|
|
} else {
|
|
knownProps.set(name, prop);
|
|
deduped.push(prop);
|
|
}
|
|
}
|
|
return deduped;
|
|
}
|
|
function mergeAsArray(existing, incoming) {
|
|
if (existing.value.type === 17) {
|
|
existing.value.elements.push(incoming.value);
|
|
} else {
|
|
existing.value = createArrayExpression(
|
|
[existing.value, incoming.value],
|
|
existing.loc
|
|
);
|
|
}
|
|
}
|
|
function buildDirectiveArgs(dir, context) {
|
|
const dirArgs = [];
|
|
const runtime = directiveImportMap.get(dir);
|
|
if (runtime) {
|
|
dirArgs.push(context.helperString(runtime));
|
|
} else {
|
|
{
|
|
context.helper(RESOLVE_DIRECTIVE);
|
|
context.directives.add(dir.name);
|
|
dirArgs.push(toValidAssetId(dir.name, `directive`));
|
|
}
|
|
}
|
|
const { loc } = dir;
|
|
if (dir.exp) dirArgs.push(dir.exp);
|
|
if (dir.arg) {
|
|
if (!dir.exp) {
|
|
dirArgs.push(`void 0`);
|
|
}
|
|
dirArgs.push(dir.arg);
|
|
}
|
|
if (Object.keys(dir.modifiers).length) {
|
|
if (!dir.arg) {
|
|
if (!dir.exp) {
|
|
dirArgs.push(`void 0`);
|
|
}
|
|
dirArgs.push(`void 0`);
|
|
}
|
|
const trueExpression = createSimpleExpression(`true`, false, loc);
|
|
dirArgs.push(
|
|
createObjectExpression(
|
|
dir.modifiers.map(
|
|
(modifier) => createObjectProperty(modifier, trueExpression)
|
|
),
|
|
loc
|
|
)
|
|
);
|
|
}
|
|
return createArrayExpression(dirArgs, dir.loc);
|
|
}
|
|
function stringifyDynamicPropNames(props) {
|
|
let propsNamesString = `[`;
|
|
for (let i = 0, l = props.length; i < l; i++) {
|
|
propsNamesString += JSON.stringify(props[i]);
|
|
if (i < l - 1) propsNamesString += ", ";
|
|
}
|
|
return propsNamesString + `]`;
|
|
}
|
|
function isComponentTag(tag) {
|
|
return tag === "component" || tag === "Component";
|
|
}
|
|
|
|
const transformSlotOutlet = (node, context) => {
|
|
if (isSlotOutlet(node)) {
|
|
const { children, loc } = node;
|
|
const { slotName, slotProps } = processSlotOutlet(node, context);
|
|
const slotArgs = [
|
|
context.prefixIdentifiers ? `_ctx.$slots` : `$slots`,
|
|
slotName,
|
|
"{}",
|
|
"undefined",
|
|
"true"
|
|
];
|
|
let expectedLen = 2;
|
|
if (slotProps) {
|
|
slotArgs[2] = slotProps;
|
|
expectedLen = 3;
|
|
}
|
|
if (children.length) {
|
|
slotArgs[3] = createFunctionExpression([], children, false, false, loc);
|
|
expectedLen = 4;
|
|
}
|
|
if (context.scopeId && !context.slotted) {
|
|
expectedLen = 5;
|
|
}
|
|
slotArgs.splice(expectedLen);
|
|
node.codegenNode = createCallExpression(
|
|
context.helper(RENDER_SLOT),
|
|
slotArgs,
|
|
loc
|
|
);
|
|
}
|
|
};
|
|
function processSlotOutlet(node, context) {
|
|
let slotName = `"default"`;
|
|
let slotProps = void 0;
|
|
const nonNameProps = [];
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const p = node.props[i];
|
|
if (p.type === 6) {
|
|
if (p.value) {
|
|
if (p.name === "name") {
|
|
slotName = JSON.stringify(p.value.content);
|
|
} else {
|
|
p.name = camelize(p.name);
|
|
nonNameProps.push(p);
|
|
}
|
|
}
|
|
} else {
|
|
if (p.name === "bind" && isStaticArgOf(p.arg, "name")) {
|
|
if (p.exp) {
|
|
slotName = p.exp;
|
|
} else if (p.arg && p.arg.type === 4) {
|
|
const name = camelize(p.arg.content);
|
|
slotName = p.exp = createSimpleExpression(name, false, p.arg.loc);
|
|
}
|
|
} else {
|
|
if (p.name === "bind" && p.arg && isStaticExp(p.arg)) {
|
|
p.arg.content = camelize(p.arg.content);
|
|
}
|
|
nonNameProps.push(p);
|
|
}
|
|
}
|
|
}
|
|
if (nonNameProps.length > 0) {
|
|
const { props, directives } = buildProps(
|
|
node,
|
|
context,
|
|
nonNameProps,
|
|
false,
|
|
false
|
|
);
|
|
slotProps = props;
|
|
if (directives.length) {
|
|
context.onError(
|
|
createCompilerError(
|
|
36,
|
|
directives[0].loc
|
|
)
|
|
);
|
|
}
|
|
}
|
|
return {
|
|
slotName,
|
|
slotProps
|
|
};
|
|
}
|
|
|
|
const transformOn$1 = (dir, node, context, augmentor) => {
|
|
const { loc, modifiers, arg } = dir;
|
|
if (!dir.exp && !modifiers.length) {
|
|
context.onError(createCompilerError(35, loc));
|
|
}
|
|
let eventName;
|
|
if (arg.type === 4) {
|
|
if (arg.isStatic) {
|
|
let rawName = arg.content;
|
|
if (rawName.startsWith("vnode")) {
|
|
context.onError(createCompilerError(51, arg.loc));
|
|
}
|
|
if (rawName.startsWith("vue:")) {
|
|
rawName = `vnode-${rawName.slice(4)}`;
|
|
}
|
|
const eventString = node.tagType !== 0 || rawName.startsWith("vnode") || !/[A-Z]/.test(rawName) ? (
|
|
// for non-element and vnode lifecycle event listeners, auto convert
|
|
// it to camelCase. See issue #2249
|
|
toHandlerKey(camelize(rawName))
|
|
) : (
|
|
// preserve case for plain element listeners that have uppercase
|
|
// letters, as these may be custom elements' custom events
|
|
`on:${rawName}`
|
|
);
|
|
eventName = createSimpleExpression(eventString, true, arg.loc);
|
|
} else {
|
|
eventName = createCompoundExpression([
|
|
`${context.helperString(TO_HANDLER_KEY)}(`,
|
|
arg,
|
|
`)`
|
|
]);
|
|
}
|
|
} else {
|
|
eventName = arg;
|
|
eventName.children.unshift(`${context.helperString(TO_HANDLER_KEY)}(`);
|
|
eventName.children.push(`)`);
|
|
}
|
|
let exp = dir.exp;
|
|
if (exp && !exp.content.trim()) {
|
|
exp = void 0;
|
|
}
|
|
let shouldCache = context.cacheHandlers && !exp && !context.inVOnce;
|
|
if (exp) {
|
|
const isMemberExp = isMemberExpression(exp);
|
|
const isInlineStatement = !(isMemberExp || isFnExpression(exp));
|
|
const hasMultipleStatements = exp.content.includes(`;`);
|
|
{
|
|
validateBrowserExpression(
|
|
exp,
|
|
context,
|
|
false,
|
|
hasMultipleStatements
|
|
);
|
|
}
|
|
if (isInlineStatement || shouldCache && isMemberExp) {
|
|
exp = createCompoundExpression([
|
|
`${isInlineStatement ? `$event` : `${``}(...args)`} => ${hasMultipleStatements ? `{` : `(`}`,
|
|
exp,
|
|
hasMultipleStatements ? `}` : `)`
|
|
]);
|
|
}
|
|
}
|
|
let ret = {
|
|
props: [
|
|
createObjectProperty(
|
|
eventName,
|
|
exp || createSimpleExpression(`() => {}`, false, loc)
|
|
)
|
|
]
|
|
};
|
|
if (augmentor) {
|
|
ret = augmentor(ret);
|
|
}
|
|
if (shouldCache) {
|
|
ret.props[0].value = context.cache(ret.props[0].value);
|
|
}
|
|
ret.props.forEach((p) => p.key.isHandlerKey = true);
|
|
return ret;
|
|
};
|
|
|
|
const transformText = (node, context) => {
|
|
if (node.type === 0 || node.type === 1 || node.type === 11 || node.type === 10) {
|
|
return () => {
|
|
const children = node.children;
|
|
let currentContainer = void 0;
|
|
let hasText = false;
|
|
for (let i = 0; i < children.length; i++) {
|
|
const child = children[i];
|
|
if (isText$1(child)) {
|
|
hasText = true;
|
|
for (let j = i + 1; j < children.length; j++) {
|
|
const next = children[j];
|
|
if (isText$1(next)) {
|
|
if (!currentContainer) {
|
|
currentContainer = children[i] = createCompoundExpression(
|
|
[child],
|
|
child.loc
|
|
);
|
|
}
|
|
currentContainer.children.push(` + `, next);
|
|
children.splice(j, 1);
|
|
j--;
|
|
} else {
|
|
currentContainer = void 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!hasText || // if this is a plain element with a single text child, leave it
|
|
// as-is since the runtime has dedicated fast path for this by directly
|
|
// setting textContent of the element.
|
|
// for component root it's always normalized anyway.
|
|
children.length === 1 && (node.type === 0 || node.type === 1 && node.tagType === 0 && // #3756
|
|
// custom directives can potentially add DOM elements arbitrarily,
|
|
// we need to avoid setting textContent of the element at runtime
|
|
// to avoid accidentally overwriting the DOM elements added
|
|
// by the user through custom directives.
|
|
!node.props.find(
|
|
(p) => p.type === 7 && !context.directiveTransforms[p.name]
|
|
) && // in compat mode, <template> tags with no special directives
|
|
// will be rendered as a fragment so its children must be
|
|
// converted into vnodes.
|
|
!(node.tag === "template"))) {
|
|
return;
|
|
}
|
|
for (let i = 0; i < children.length; i++) {
|
|
const child = children[i];
|
|
if (isText$1(child) || child.type === 8) {
|
|
const callArgs = [];
|
|
if (child.type !== 2 || child.content !== " ") {
|
|
callArgs.push(child);
|
|
}
|
|
if (!context.ssr && getConstantType(child, context) === 0) {
|
|
callArgs.push(
|
|
1 + (` /* ${PatchFlagNames[1]} */` )
|
|
);
|
|
}
|
|
children[i] = {
|
|
type: 12,
|
|
content: child,
|
|
loc: child.loc,
|
|
codegenNode: createCallExpression(
|
|
context.helper(CREATE_TEXT),
|
|
callArgs
|
|
)
|
|
};
|
|
}
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
const seen$1 = /* @__PURE__ */ new WeakSet();
|
|
const transformOnce = (node, context) => {
|
|
if (node.type === 1 && findDir(node, "once", true)) {
|
|
if (seen$1.has(node) || context.inVOnce || context.inSSR) {
|
|
return;
|
|
}
|
|
seen$1.add(node);
|
|
context.inVOnce = true;
|
|
context.helper(SET_BLOCK_TRACKING);
|
|
return () => {
|
|
context.inVOnce = false;
|
|
const cur = context.currentNode;
|
|
if (cur.codegenNode) {
|
|
cur.codegenNode = context.cache(
|
|
cur.codegenNode,
|
|
true,
|
|
true
|
|
);
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
const transformModel$1 = (dir, node, context) => {
|
|
const { exp, arg } = dir;
|
|
if (!exp) {
|
|
context.onError(
|
|
createCompilerError(41, dir.loc)
|
|
);
|
|
return createTransformProps();
|
|
}
|
|
const rawExp = exp.loc.source.trim();
|
|
const expString = exp.type === 4 ? exp.content : rawExp;
|
|
const bindingType = context.bindingMetadata[rawExp];
|
|
if (bindingType === "props" || bindingType === "props-aliased") {
|
|
context.onError(createCompilerError(44, exp.loc));
|
|
return createTransformProps();
|
|
}
|
|
if (!expString.trim() || !isMemberExpression(exp) && true) {
|
|
context.onError(
|
|
createCompilerError(42, exp.loc)
|
|
);
|
|
return createTransformProps();
|
|
}
|
|
const propName = arg ? arg : createSimpleExpression("modelValue", true);
|
|
const eventName = arg ? isStaticExp(arg) ? `onUpdate:${camelize(arg.content)}` : createCompoundExpression(['"onUpdate:" + ', arg]) : `onUpdate:modelValue`;
|
|
let assignmentExp;
|
|
const eventArg = context.isTS ? `($event: any)` : `$event`;
|
|
{
|
|
assignmentExp = createCompoundExpression([
|
|
`${eventArg} => ((`,
|
|
exp,
|
|
`) = $event)`
|
|
]);
|
|
}
|
|
const props = [
|
|
// modelValue: foo
|
|
createObjectProperty(propName, dir.exp),
|
|
// "onUpdate:modelValue": $event => (foo = $event)
|
|
createObjectProperty(eventName, assignmentExp)
|
|
];
|
|
if (dir.modifiers.length && node.tagType === 1) {
|
|
const modifiers = dir.modifiers.map((m) => m.content).map((m) => (isSimpleIdentifier(m) ? m : JSON.stringify(m)) + `: true`).join(`, `);
|
|
const modifiersKey = arg ? isStaticExp(arg) ? `${arg.content}Modifiers` : createCompoundExpression([arg, ' + "Modifiers"']) : `modelModifiers`;
|
|
props.push(
|
|
createObjectProperty(
|
|
modifiersKey,
|
|
createSimpleExpression(
|
|
`{ ${modifiers} }`,
|
|
false,
|
|
dir.loc,
|
|
2
|
|
)
|
|
)
|
|
);
|
|
}
|
|
return createTransformProps(props);
|
|
};
|
|
function createTransformProps(props = []) {
|
|
return { props };
|
|
}
|
|
|
|
const validDivisionCharRE = /[\w).+\-_$\]]/;
|
|
const transformFilter = (node, context) => {
|
|
if (!isCompatEnabled("COMPILER_FILTERS", context)) {
|
|
return;
|
|
}
|
|
if (node.type === 5) {
|
|
rewriteFilter(node.content, context);
|
|
} else if (node.type === 1) {
|
|
node.props.forEach((prop) => {
|
|
if (prop.type === 7 && prop.name !== "for" && prop.exp) {
|
|
rewriteFilter(prop.exp, context);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
function rewriteFilter(node, context) {
|
|
if (node.type === 4) {
|
|
parseFilter(node, context);
|
|
} else {
|
|
for (let i = 0; i < node.children.length; i++) {
|
|
const child = node.children[i];
|
|
if (typeof child !== "object") continue;
|
|
if (child.type === 4) {
|
|
parseFilter(child, context);
|
|
} else if (child.type === 8) {
|
|
rewriteFilter(node, context);
|
|
} else if (child.type === 5) {
|
|
rewriteFilter(child.content, context);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
function parseFilter(node, context) {
|
|
const exp = node.content;
|
|
let inSingle = false;
|
|
let inDouble = false;
|
|
let inTemplateString = false;
|
|
let inRegex = false;
|
|
let curly = 0;
|
|
let square = 0;
|
|
let paren = 0;
|
|
let lastFilterIndex = 0;
|
|
let c, prev, i, expression, filters = [];
|
|
for (i = 0; i < exp.length; i++) {
|
|
prev = c;
|
|
c = exp.charCodeAt(i);
|
|
if (inSingle) {
|
|
if (c === 39 && prev !== 92) inSingle = false;
|
|
} else if (inDouble) {
|
|
if (c === 34 && prev !== 92) inDouble = false;
|
|
} else if (inTemplateString) {
|
|
if (c === 96 && prev !== 92) inTemplateString = false;
|
|
} else if (inRegex) {
|
|
if (c === 47 && prev !== 92) inRegex = false;
|
|
} else if (c === 124 && // pipe
|
|
exp.charCodeAt(i + 1) !== 124 && exp.charCodeAt(i - 1) !== 124 && !curly && !square && !paren) {
|
|
if (expression === void 0) {
|
|
lastFilterIndex = i + 1;
|
|
expression = exp.slice(0, i).trim();
|
|
} else {
|
|
pushFilter();
|
|
}
|
|
} else {
|
|
switch (c) {
|
|
case 34:
|
|
inDouble = true;
|
|
break;
|
|
// "
|
|
case 39:
|
|
inSingle = true;
|
|
break;
|
|
// '
|
|
case 96:
|
|
inTemplateString = true;
|
|
break;
|
|
// `
|
|
case 40:
|
|
paren++;
|
|
break;
|
|
// (
|
|
case 41:
|
|
paren--;
|
|
break;
|
|
// )
|
|
case 91:
|
|
square++;
|
|
break;
|
|
// [
|
|
case 93:
|
|
square--;
|
|
break;
|
|
// ]
|
|
case 123:
|
|
curly++;
|
|
break;
|
|
// {
|
|
case 125:
|
|
curly--;
|
|
break;
|
|
}
|
|
if (c === 47) {
|
|
let j = i - 1;
|
|
let p;
|
|
for (; j >= 0; j--) {
|
|
p = exp.charAt(j);
|
|
if (p !== " ") break;
|
|
}
|
|
if (!p || !validDivisionCharRE.test(p)) {
|
|
inRegex = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (expression === void 0) {
|
|
expression = exp.slice(0, i).trim();
|
|
} else if (lastFilterIndex !== 0) {
|
|
pushFilter();
|
|
}
|
|
function pushFilter() {
|
|
filters.push(exp.slice(lastFilterIndex, i).trim());
|
|
lastFilterIndex = i + 1;
|
|
}
|
|
if (filters.length) {
|
|
warnDeprecation(
|
|
"COMPILER_FILTERS",
|
|
context,
|
|
node.loc
|
|
);
|
|
for (i = 0; i < filters.length; i++) {
|
|
expression = wrapFilter(expression, filters[i], context);
|
|
}
|
|
node.content = expression;
|
|
node.ast = void 0;
|
|
}
|
|
}
|
|
function wrapFilter(exp, filter, context) {
|
|
context.helper(RESOLVE_FILTER);
|
|
const i = filter.indexOf("(");
|
|
if (i < 0) {
|
|
context.filters.add(filter);
|
|
return `${toValidAssetId(filter, "filter")}(${exp})`;
|
|
} else {
|
|
const name = filter.slice(0, i);
|
|
const args = filter.slice(i + 1);
|
|
context.filters.add(name);
|
|
return `${toValidAssetId(name, "filter")}(${exp}${args !== ")" ? "," + args : args}`;
|
|
}
|
|
}
|
|
|
|
const seen = /* @__PURE__ */ new WeakSet();
|
|
const transformMemo = (node, context) => {
|
|
if (node.type === 1) {
|
|
const dir = findDir(node, "memo");
|
|
if (!dir || seen.has(node) || context.inSSR) {
|
|
return;
|
|
}
|
|
seen.add(node);
|
|
return () => {
|
|
const codegenNode = node.codegenNode || context.currentNode.codegenNode;
|
|
if (codegenNode && codegenNode.type === 13) {
|
|
if (node.tagType !== 1) {
|
|
convertToBlock(codegenNode, context);
|
|
}
|
|
node.codegenNode = createCallExpression(context.helper(WITH_MEMO), [
|
|
dir.exp,
|
|
createFunctionExpression(void 0, codegenNode),
|
|
`_cache`,
|
|
String(context.cached.length)
|
|
]);
|
|
context.cached.push(null);
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
function getBaseTransformPreset(prefixIdentifiers) {
|
|
return [
|
|
[
|
|
transformOnce,
|
|
transformIf,
|
|
transformMemo,
|
|
transformFor,
|
|
...[transformFilter] ,
|
|
...[transformExpression] ,
|
|
transformSlotOutlet,
|
|
transformElement,
|
|
trackSlotScopes,
|
|
transformText
|
|
],
|
|
{
|
|
on: transformOn$1,
|
|
bind: transformBind,
|
|
model: transformModel$1
|
|
}
|
|
];
|
|
}
|
|
function baseCompile(source, options = {}) {
|
|
const onError = options.onError || defaultOnError;
|
|
const isModuleMode = options.mode === "module";
|
|
{
|
|
if (options.prefixIdentifiers === true) {
|
|
onError(createCompilerError(47));
|
|
} else if (isModuleMode) {
|
|
onError(createCompilerError(48));
|
|
}
|
|
}
|
|
const prefixIdentifiers = false;
|
|
if (options.cacheHandlers) {
|
|
onError(createCompilerError(49));
|
|
}
|
|
if (options.scopeId && !isModuleMode) {
|
|
onError(createCompilerError(50));
|
|
}
|
|
const resolvedOptions = extend({}, options, {
|
|
prefixIdentifiers
|
|
});
|
|
const ast = isString(source) ? baseParse(source, resolvedOptions) : source;
|
|
const [nodeTransforms, directiveTransforms] = getBaseTransformPreset();
|
|
transform(
|
|
ast,
|
|
extend({}, resolvedOptions, {
|
|
nodeTransforms: [
|
|
...nodeTransforms,
|
|
...options.nodeTransforms || []
|
|
// user transforms
|
|
],
|
|
directiveTransforms: extend(
|
|
{},
|
|
directiveTransforms,
|
|
options.directiveTransforms || {}
|
|
// user transforms
|
|
)
|
|
})
|
|
);
|
|
return generate(ast, resolvedOptions);
|
|
}
|
|
|
|
const BindingTypes = {
|
|
"DATA": "data",
|
|
"PROPS": "props",
|
|
"PROPS_ALIASED": "props-aliased",
|
|
"SETUP_LET": "setup-let",
|
|
"SETUP_CONST": "setup-const",
|
|
"SETUP_REACTIVE_CONST": "setup-reactive-const",
|
|
"SETUP_MAYBE_REF": "setup-maybe-ref",
|
|
"SETUP_REF": "setup-ref",
|
|
"OPTIONS": "options",
|
|
"LITERAL_CONST": "literal-const"
|
|
};
|
|
|
|
const noopDirectiveTransform = () => ({ props: [] });
|
|
|
|
const V_MODEL_RADIO = Symbol(`vModelRadio` );
|
|
const V_MODEL_CHECKBOX = Symbol(
|
|
`vModelCheckbox`
|
|
);
|
|
const V_MODEL_TEXT = Symbol(`vModelText` );
|
|
const V_MODEL_SELECT = Symbol(
|
|
`vModelSelect`
|
|
);
|
|
const V_MODEL_DYNAMIC = Symbol(
|
|
`vModelDynamic`
|
|
);
|
|
const V_ON_WITH_MODIFIERS = Symbol(
|
|
`vOnModifiersGuard`
|
|
);
|
|
const V_ON_WITH_KEYS = Symbol(
|
|
`vOnKeysGuard`
|
|
);
|
|
const V_SHOW = Symbol(`vShow` );
|
|
const TRANSITION = Symbol(`Transition` );
|
|
const TRANSITION_GROUP = Symbol(
|
|
`TransitionGroup`
|
|
);
|
|
registerRuntimeHelpers({
|
|
[V_MODEL_RADIO]: `vModelRadio`,
|
|
[V_MODEL_CHECKBOX]: `vModelCheckbox`,
|
|
[V_MODEL_TEXT]: `vModelText`,
|
|
[V_MODEL_SELECT]: `vModelSelect`,
|
|
[V_MODEL_DYNAMIC]: `vModelDynamic`,
|
|
[V_ON_WITH_MODIFIERS]: `withModifiers`,
|
|
[V_ON_WITH_KEYS]: `withKeys`,
|
|
[V_SHOW]: `vShow`,
|
|
[TRANSITION]: `Transition`,
|
|
[TRANSITION_GROUP]: `TransitionGroup`
|
|
});
|
|
|
|
let decoder;
|
|
function decodeHtmlBrowser(raw, asAttr = false) {
|
|
if (!decoder) {
|
|
decoder = document.createElement("div");
|
|
}
|
|
if (asAttr) {
|
|
decoder.innerHTML = `<div foo="${raw.replace(/"/g, """)}">`;
|
|
return decoder.children[0].getAttribute("foo");
|
|
} else {
|
|
decoder.innerHTML = raw;
|
|
return decoder.textContent;
|
|
}
|
|
}
|
|
|
|
const parserOptions = {
|
|
parseMode: "html",
|
|
isVoidTag,
|
|
isNativeTag: (tag) => isHTMLTag(tag) || isSVGTag(tag) || isMathMLTag(tag),
|
|
isPreTag: (tag) => tag === "pre",
|
|
isIgnoreNewlineTag: (tag) => tag === "pre" || tag === "textarea",
|
|
decodeEntities: decodeHtmlBrowser ,
|
|
isBuiltInComponent: (tag) => {
|
|
if (tag === "Transition" || tag === "transition") {
|
|
return TRANSITION;
|
|
} else if (tag === "TransitionGroup" || tag === "transition-group") {
|
|
return TRANSITION_GROUP;
|
|
}
|
|
},
|
|
// https://html.spec.whatwg.org/multipage/parsing.html#tree-construction-dispatcher
|
|
getNamespace(tag, parent, rootNamespace) {
|
|
let ns = parent ? parent.ns : rootNamespace;
|
|
if (parent && ns === 2) {
|
|
if (parent.tag === "annotation-xml") {
|
|
if (tag === "svg") {
|
|
return 1;
|
|
}
|
|
if (parent.props.some(
|
|
(a) => a.type === 6 && a.name === "encoding" && a.value != null && (a.value.content === "text/html" || a.value.content === "application/xhtml+xml")
|
|
)) {
|
|
ns = 0;
|
|
}
|
|
} else if (/^m(?:[ions]|text)$/.test(parent.tag) && tag !== "mglyph" && tag !== "malignmark") {
|
|
ns = 0;
|
|
}
|
|
} else if (parent && ns === 1) {
|
|
if (parent.tag === "foreignObject" || parent.tag === "desc" || parent.tag === "title") {
|
|
ns = 0;
|
|
}
|
|
}
|
|
if (ns === 0) {
|
|
if (tag === "svg") {
|
|
return 1;
|
|
}
|
|
if (tag === "math") {
|
|
return 2;
|
|
}
|
|
}
|
|
return ns;
|
|
}
|
|
};
|
|
|
|
const transformStyle = (node) => {
|
|
if (node.type === 1) {
|
|
node.props.forEach((p, i) => {
|
|
if (p.type === 6 && p.name === "style" && p.value) {
|
|
node.props[i] = {
|
|
type: 7,
|
|
name: `bind`,
|
|
arg: createSimpleExpression(`style`, true, p.loc),
|
|
exp: parseInlineCSS(p.value.content, p.loc),
|
|
modifiers: [],
|
|
loc: p.loc
|
|
};
|
|
}
|
|
});
|
|
}
|
|
};
|
|
const parseInlineCSS = (cssText, loc) => {
|
|
const normalized = parseStringStyle(cssText);
|
|
return createSimpleExpression(
|
|
JSON.stringify(normalized),
|
|
false,
|
|
loc,
|
|
3
|
|
);
|
|
};
|
|
|
|
function createDOMCompilerError(code, loc) {
|
|
return createCompilerError(
|
|
code,
|
|
loc,
|
|
DOMErrorMessages
|
|
);
|
|
}
|
|
const DOMErrorCodes = {
|
|
"X_V_HTML_NO_EXPRESSION": 53,
|
|
"53": "X_V_HTML_NO_EXPRESSION",
|
|
"X_V_HTML_WITH_CHILDREN": 54,
|
|
"54": "X_V_HTML_WITH_CHILDREN",
|
|
"X_V_TEXT_NO_EXPRESSION": 55,
|
|
"55": "X_V_TEXT_NO_EXPRESSION",
|
|
"X_V_TEXT_WITH_CHILDREN": 56,
|
|
"56": "X_V_TEXT_WITH_CHILDREN",
|
|
"X_V_MODEL_ON_INVALID_ELEMENT": 57,
|
|
"57": "X_V_MODEL_ON_INVALID_ELEMENT",
|
|
"X_V_MODEL_ARG_ON_ELEMENT": 58,
|
|
"58": "X_V_MODEL_ARG_ON_ELEMENT",
|
|
"X_V_MODEL_ON_FILE_INPUT_ELEMENT": 59,
|
|
"59": "X_V_MODEL_ON_FILE_INPUT_ELEMENT",
|
|
"X_V_MODEL_UNNECESSARY_VALUE": 60,
|
|
"60": "X_V_MODEL_UNNECESSARY_VALUE",
|
|
"X_V_SHOW_NO_EXPRESSION": 61,
|
|
"61": "X_V_SHOW_NO_EXPRESSION",
|
|
"X_TRANSITION_INVALID_CHILDREN": 62,
|
|
"62": "X_TRANSITION_INVALID_CHILDREN",
|
|
"X_IGNORED_SIDE_EFFECT_TAG": 63,
|
|
"63": "X_IGNORED_SIDE_EFFECT_TAG",
|
|
"__EXTEND_POINT__": 64,
|
|
"64": "__EXTEND_POINT__"
|
|
};
|
|
const DOMErrorMessages = {
|
|
[53]: `v-html is missing expression.`,
|
|
[54]: `v-html will override element children.`,
|
|
[55]: `v-text is missing expression.`,
|
|
[56]: `v-text will override element children.`,
|
|
[57]: `v-model can only be used on <input>, <textarea> and <select> elements.`,
|
|
[58]: `v-model argument is not supported on plain elements.`,
|
|
[59]: `v-model cannot be used on file inputs since they are read-only. Use a v-on:change listener instead.`,
|
|
[60]: `Unnecessary value binding used alongside v-model. It will interfere with v-model's behavior.`,
|
|
[61]: `v-show is missing expression.`,
|
|
[62]: `<Transition> expects exactly one child element or component.`,
|
|
[63]: `Tags with side effect (<script> and <style>) are ignored in client component templates.`
|
|
};
|
|
|
|
const transformVHtml = (dir, node, context) => {
|
|
const { exp, loc } = dir;
|
|
if (!exp) {
|
|
context.onError(
|
|
createDOMCompilerError(53, loc)
|
|
);
|
|
}
|
|
if (node.children.length) {
|
|
context.onError(
|
|
createDOMCompilerError(54, loc)
|
|
);
|
|
node.children.length = 0;
|
|
}
|
|
return {
|
|
props: [
|
|
createObjectProperty(
|
|
createSimpleExpression(`innerHTML`, true, loc),
|
|
exp || createSimpleExpression("", true)
|
|
)
|
|
]
|
|
};
|
|
};
|
|
|
|
const transformVText = (dir, node, context) => {
|
|
const { exp, loc } = dir;
|
|
if (!exp) {
|
|
context.onError(
|
|
createDOMCompilerError(55, loc)
|
|
);
|
|
}
|
|
if (node.children.length) {
|
|
context.onError(
|
|
createDOMCompilerError(56, loc)
|
|
);
|
|
node.children.length = 0;
|
|
}
|
|
return {
|
|
props: [
|
|
createObjectProperty(
|
|
createSimpleExpression(`textContent`, true),
|
|
exp ? getConstantType(exp, context) > 0 ? exp : createCallExpression(
|
|
context.helperString(TO_DISPLAY_STRING),
|
|
[exp],
|
|
loc
|
|
) : createSimpleExpression("", true)
|
|
)
|
|
]
|
|
};
|
|
};
|
|
|
|
const transformModel = (dir, node, context) => {
|
|
const baseResult = transformModel$1(dir, node, context);
|
|
if (!baseResult.props.length || node.tagType === 1) {
|
|
return baseResult;
|
|
}
|
|
if (dir.arg) {
|
|
context.onError(
|
|
createDOMCompilerError(
|
|
58,
|
|
dir.arg.loc
|
|
)
|
|
);
|
|
}
|
|
function checkDuplicatedValue() {
|
|
const value = findDir(node, "bind");
|
|
if (value && isStaticArgOf(value.arg, "value")) {
|
|
context.onError(
|
|
createDOMCompilerError(
|
|
60,
|
|
value.loc
|
|
)
|
|
);
|
|
}
|
|
}
|
|
const { tag } = node;
|
|
const isCustomElement = context.isCustomElement(tag);
|
|
if (tag === "input" || tag === "textarea" || tag === "select" || isCustomElement) {
|
|
let directiveToUse = V_MODEL_TEXT;
|
|
let isInvalidType = false;
|
|
if (tag === "input" || isCustomElement) {
|
|
const type = findProp(node, `type`);
|
|
if (type) {
|
|
if (type.type === 7) {
|
|
directiveToUse = V_MODEL_DYNAMIC;
|
|
} else if (type.value) {
|
|
switch (type.value.content) {
|
|
case "radio":
|
|
directiveToUse = V_MODEL_RADIO;
|
|
break;
|
|
case "checkbox":
|
|
directiveToUse = V_MODEL_CHECKBOX;
|
|
break;
|
|
case "file":
|
|
isInvalidType = true;
|
|
context.onError(
|
|
createDOMCompilerError(
|
|
59,
|
|
dir.loc
|
|
)
|
|
);
|
|
break;
|
|
default:
|
|
checkDuplicatedValue();
|
|
break;
|
|
}
|
|
}
|
|
} else if (hasDynamicKeyVBind(node)) {
|
|
directiveToUse = V_MODEL_DYNAMIC;
|
|
} else {
|
|
checkDuplicatedValue();
|
|
}
|
|
} else if (tag === "select") {
|
|
directiveToUse = V_MODEL_SELECT;
|
|
} else {
|
|
checkDuplicatedValue();
|
|
}
|
|
if (!isInvalidType) {
|
|
baseResult.needRuntime = context.helper(directiveToUse);
|
|
}
|
|
} else {
|
|
context.onError(
|
|
createDOMCompilerError(
|
|
57,
|
|
dir.loc
|
|
)
|
|
);
|
|
}
|
|
baseResult.props = baseResult.props.filter(
|
|
(p) => !(p.key.type === 4 && p.key.content === "modelValue")
|
|
);
|
|
return baseResult;
|
|
};
|
|
|
|
const isEventOptionModifier = /* @__PURE__ */ makeMap(`passive,once,capture`);
|
|
const isNonKeyModifier = /* @__PURE__ */ makeMap(
|
|
// event propagation management
|
|
`stop,prevent,self,ctrl,shift,alt,meta,exact,middle`
|
|
);
|
|
const maybeKeyModifier = /* @__PURE__ */ makeMap("left,right");
|
|
const isKeyboardEvent = /* @__PURE__ */ makeMap(`onkeyup,onkeydown,onkeypress`);
|
|
const resolveModifiers = (key, modifiers, context, loc) => {
|
|
const keyModifiers = [];
|
|
const nonKeyModifiers = [];
|
|
const eventOptionModifiers = [];
|
|
for (let i = 0; i < modifiers.length; i++) {
|
|
const modifier = modifiers[i].content;
|
|
if (modifier === "native" && checkCompatEnabled(
|
|
"COMPILER_V_ON_NATIVE",
|
|
context,
|
|
loc
|
|
)) {
|
|
eventOptionModifiers.push(modifier);
|
|
} else if (isEventOptionModifier(modifier)) {
|
|
eventOptionModifiers.push(modifier);
|
|
} else {
|
|
if (maybeKeyModifier(modifier)) {
|
|
if (isStaticExp(key)) {
|
|
if (isKeyboardEvent(key.content.toLowerCase())) {
|
|
keyModifiers.push(modifier);
|
|
} else {
|
|
nonKeyModifiers.push(modifier);
|
|
}
|
|
} else {
|
|
keyModifiers.push(modifier);
|
|
nonKeyModifiers.push(modifier);
|
|
}
|
|
} else {
|
|
if (isNonKeyModifier(modifier)) {
|
|
nonKeyModifiers.push(modifier);
|
|
} else {
|
|
keyModifiers.push(modifier);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return {
|
|
keyModifiers,
|
|
nonKeyModifiers,
|
|
eventOptionModifiers
|
|
};
|
|
};
|
|
const transformClick = (key, event) => {
|
|
const isStaticClick = isStaticExp(key) && key.content.toLowerCase() === "onclick";
|
|
return isStaticClick ? createSimpleExpression(event, true) : key.type !== 4 ? createCompoundExpression([
|
|
`(`,
|
|
key,
|
|
`) === "onClick" ? "${event}" : (`,
|
|
key,
|
|
`)`
|
|
]) : key;
|
|
};
|
|
const transformOn = (dir, node, context) => {
|
|
return transformOn$1(dir, node, context, (baseResult) => {
|
|
const { modifiers } = dir;
|
|
if (!modifiers.length) return baseResult;
|
|
let { key, value: handlerExp } = baseResult.props[0];
|
|
const { keyModifiers, nonKeyModifiers, eventOptionModifiers } = resolveModifiers(key, modifiers, context, dir.loc);
|
|
if (nonKeyModifiers.includes("right")) {
|
|
key = transformClick(key, `onContextmenu`);
|
|
}
|
|
if (nonKeyModifiers.includes("middle")) {
|
|
key = transformClick(key, `onMouseup`);
|
|
}
|
|
if (nonKeyModifiers.length) {
|
|
handlerExp = createCallExpression(context.helper(V_ON_WITH_MODIFIERS), [
|
|
handlerExp,
|
|
JSON.stringify(nonKeyModifiers)
|
|
]);
|
|
}
|
|
if (keyModifiers.length && // if event name is dynamic, always wrap with keys guard
|
|
(!isStaticExp(key) || isKeyboardEvent(key.content.toLowerCase()))) {
|
|
handlerExp = createCallExpression(context.helper(V_ON_WITH_KEYS), [
|
|
handlerExp,
|
|
JSON.stringify(keyModifiers)
|
|
]);
|
|
}
|
|
if (eventOptionModifiers.length) {
|
|
const modifierPostfix = eventOptionModifiers.map(capitalize).join("");
|
|
key = isStaticExp(key) ? createSimpleExpression(`${key.content}${modifierPostfix}`, true) : createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`]);
|
|
}
|
|
return {
|
|
props: [createObjectProperty(key, handlerExp)]
|
|
};
|
|
});
|
|
};
|
|
|
|
const transformShow = (dir, node, context) => {
|
|
const { exp, loc } = dir;
|
|
if (!exp) {
|
|
context.onError(
|
|
createDOMCompilerError(61, loc)
|
|
);
|
|
}
|
|
return {
|
|
props: [],
|
|
needRuntime: context.helper(V_SHOW)
|
|
};
|
|
};
|
|
|
|
const transformTransition = (node, context) => {
|
|
if (node.type === 1 && node.tagType === 1) {
|
|
const component = context.isBuiltInComponent(node.tag);
|
|
if (component === TRANSITION) {
|
|
return () => {
|
|
if (!node.children.length) {
|
|
return;
|
|
}
|
|
if (hasMultipleChildren(node)) {
|
|
context.onError(
|
|
createDOMCompilerError(
|
|
62,
|
|
{
|
|
start: node.children[0].loc.start,
|
|
end: node.children[node.children.length - 1].loc.end,
|
|
source: ""
|
|
}
|
|
)
|
|
);
|
|
}
|
|
const child = node.children[0];
|
|
if (child.type === 1) {
|
|
for (const p of child.props) {
|
|
if (p.type === 7 && p.name === "show") {
|
|
node.props.push({
|
|
type: 6,
|
|
name: "persisted",
|
|
nameLoc: node.loc,
|
|
value: void 0,
|
|
loc: node.loc
|
|
});
|
|
}
|
|
}
|
|
}
|
|
};
|
|
}
|
|
}
|
|
};
|
|
function hasMultipleChildren(node) {
|
|
const children = node.children = node.children.filter(
|
|
(c) => c.type !== 3 && !(c.type === 2 && !c.content.trim())
|
|
);
|
|
const child = children[0];
|
|
return children.length !== 1 || child.type === 11 || child.type === 9 && child.branches.some(hasMultipleChildren);
|
|
}
|
|
|
|
const ignoreSideEffectTags = (node, context) => {
|
|
if (node.type === 1 && node.tagType === 0 && (node.tag === "script" || node.tag === "style")) {
|
|
context.onError(
|
|
createDOMCompilerError(
|
|
63,
|
|
node.loc
|
|
)
|
|
);
|
|
context.removeNode();
|
|
}
|
|
};
|
|
|
|
function isValidHTMLNesting(parent, child) {
|
|
if (parent === "template") {
|
|
return true;
|
|
}
|
|
if (parent in onlyValidChildren) {
|
|
return onlyValidChildren[parent].has(child);
|
|
}
|
|
if (child in onlyValidParents) {
|
|
return onlyValidParents[child].has(parent);
|
|
}
|
|
if (parent in knownInvalidChildren) {
|
|
if (knownInvalidChildren[parent].has(child)) return false;
|
|
}
|
|
if (child in knownInvalidParents) {
|
|
if (knownInvalidParents[child].has(parent)) return false;
|
|
}
|
|
return true;
|
|
}
|
|
const headings = /* @__PURE__ */ new Set(["h1", "h2", "h3", "h4", "h5", "h6"]);
|
|
const emptySet = /* @__PURE__ */ new Set([]);
|
|
const onlyValidChildren = {
|
|
head: /* @__PURE__ */ new Set([
|
|
"base",
|
|
"basefront",
|
|
"bgsound",
|
|
"link",
|
|
"meta",
|
|
"title",
|
|
"noscript",
|
|
"noframes",
|
|
"style",
|
|
"script",
|
|
"template"
|
|
]),
|
|
optgroup: /* @__PURE__ */ new Set(["option"]),
|
|
select: /* @__PURE__ */ new Set(["optgroup", "option", "hr"]),
|
|
// table
|
|
table: /* @__PURE__ */ new Set(["caption", "colgroup", "tbody", "tfoot", "thead"]),
|
|
tr: /* @__PURE__ */ new Set(["td", "th"]),
|
|
colgroup: /* @__PURE__ */ new Set(["col"]),
|
|
tbody: /* @__PURE__ */ new Set(["tr"]),
|
|
thead: /* @__PURE__ */ new Set(["tr"]),
|
|
tfoot: /* @__PURE__ */ new Set(["tr"]),
|
|
// these elements can not have any children elements
|
|
script: emptySet,
|
|
iframe: emptySet,
|
|
option: emptySet,
|
|
textarea: emptySet,
|
|
style: emptySet,
|
|
title: emptySet
|
|
};
|
|
const onlyValidParents = {
|
|
// sections
|
|
html: emptySet,
|
|
body: /* @__PURE__ */ new Set(["html"]),
|
|
head: /* @__PURE__ */ new Set(["html"]),
|
|
// table
|
|
td: /* @__PURE__ */ new Set(["tr"]),
|
|
colgroup: /* @__PURE__ */ new Set(["table"]),
|
|
caption: /* @__PURE__ */ new Set(["table"]),
|
|
tbody: /* @__PURE__ */ new Set(["table"]),
|
|
tfoot: /* @__PURE__ */ new Set(["table"]),
|
|
col: /* @__PURE__ */ new Set(["colgroup"]),
|
|
th: /* @__PURE__ */ new Set(["tr"]),
|
|
thead: /* @__PURE__ */ new Set(["table"]),
|
|
tr: /* @__PURE__ */ new Set(["tbody", "thead", "tfoot"]),
|
|
// data list
|
|
dd: /* @__PURE__ */ new Set(["dl", "div"]),
|
|
dt: /* @__PURE__ */ new Set(["dl", "div"]),
|
|
// other
|
|
figcaption: /* @__PURE__ */ new Set(["figure"]),
|
|
// li: new Set(["ul", "ol"]),
|
|
summary: /* @__PURE__ */ new Set(["details"]),
|
|
area: /* @__PURE__ */ new Set(["map"])
|
|
};
|
|
const knownInvalidChildren = {
|
|
p: /* @__PURE__ */ new Set([
|
|
"address",
|
|
"article",
|
|
"aside",
|
|
"blockquote",
|
|
"center",
|
|
"details",
|
|
"dialog",
|
|
"dir",
|
|
"div",
|
|
"dl",
|
|
"fieldset",
|
|
"figure",
|
|
"footer",
|
|
"form",
|
|
"h1",
|
|
"h2",
|
|
"h3",
|
|
"h4",
|
|
"h5",
|
|
"h6",
|
|
"header",
|
|
"hgroup",
|
|
"hr",
|
|
"li",
|
|
"main",
|
|
"nav",
|
|
"menu",
|
|
"ol",
|
|
"p",
|
|
"pre",
|
|
"section",
|
|
"table",
|
|
"ul"
|
|
]),
|
|
svg: /* @__PURE__ */ new Set([
|
|
"b",
|
|
"blockquote",
|
|
"br",
|
|
"code",
|
|
"dd",
|
|
"div",
|
|
"dl",
|
|
"dt",
|
|
"em",
|
|
"embed",
|
|
"h1",
|
|
"h2",
|
|
"h3",
|
|
"h4",
|
|
"h5",
|
|
"h6",
|
|
"hr",
|
|
"i",
|
|
"img",
|
|
"li",
|
|
"menu",
|
|
"meta",
|
|
"ol",
|
|
"p",
|
|
"pre",
|
|
"ruby",
|
|
"s",
|
|
"small",
|
|
"span",
|
|
"strong",
|
|
"sub",
|
|
"sup",
|
|
"table",
|
|
"u",
|
|
"ul",
|
|
"var"
|
|
])
|
|
};
|
|
const knownInvalidParents = {
|
|
a: /* @__PURE__ */ new Set(["a"]),
|
|
button: /* @__PURE__ */ new Set(["button"]),
|
|
dd: /* @__PURE__ */ new Set(["dd", "dt"]),
|
|
dt: /* @__PURE__ */ new Set(["dd", "dt"]),
|
|
form: /* @__PURE__ */ new Set(["form"]),
|
|
li: /* @__PURE__ */ new Set(["li"]),
|
|
h1: headings,
|
|
h2: headings,
|
|
h3: headings,
|
|
h4: headings,
|
|
h5: headings,
|
|
h6: headings
|
|
};
|
|
|
|
const validateHtmlNesting = (node, context) => {
|
|
if (node.type === 1 && node.tagType === 0 && context.parent && context.parent.type === 1 && context.parent.tagType === 0 && !isValidHTMLNesting(context.parent.tag, node.tag)) {
|
|
const error = new SyntaxError(
|
|
`<${node.tag}> cannot be child of <${context.parent.tag}>, according to HTML specifications. This can cause hydration errors or potentially disrupt future functionality.`
|
|
);
|
|
error.loc = node.loc;
|
|
context.onWarn(error);
|
|
}
|
|
};
|
|
|
|
const DOMNodeTransforms = [
|
|
transformStyle,
|
|
...[transformTransition, validateHtmlNesting]
|
|
];
|
|
const DOMDirectiveTransforms = {
|
|
cloak: noopDirectiveTransform,
|
|
html: transformVHtml,
|
|
text: transformVText,
|
|
model: transformModel,
|
|
// override compiler-core
|
|
on: transformOn,
|
|
// override compiler-core
|
|
show: transformShow
|
|
};
|
|
function compile(src, options = {}) {
|
|
return baseCompile(
|
|
src,
|
|
extend({}, parserOptions, options, {
|
|
nodeTransforms: [
|
|
// ignore <script> and <tag>
|
|
// this is not put inside DOMNodeTransforms because that list is used
|
|
// by compiler-ssr to generate vnode fallback branches
|
|
ignoreSideEffectTags,
|
|
...DOMNodeTransforms,
|
|
...options.nodeTransforms || []
|
|
],
|
|
directiveTransforms: extend(
|
|
{},
|
|
DOMDirectiveTransforms,
|
|
options.directiveTransforms || {}
|
|
),
|
|
transformHoist: null
|
|
})
|
|
);
|
|
}
|
|
function parse(template, options = {}) {
|
|
return baseParse(template, extend({}, parserOptions, options));
|
|
}
|
|
|
|
export { BASE_TRANSITION, BindingTypes, CAMELIZE, CAPITALIZE, CREATE_BLOCK, CREATE_COMMENT, CREATE_ELEMENT_BLOCK, CREATE_ELEMENT_VNODE, CREATE_SLOTS, CREATE_STATIC, CREATE_TEXT, CREATE_VNODE, CompilerDeprecationTypes, ConstantTypes, DOMDirectiveTransforms, DOMErrorCodes, DOMErrorMessages, DOMNodeTransforms, ElementTypes, ErrorCodes, FRAGMENT, GUARD_REACTIVE_PROPS, IS_MEMO_SAME, IS_REF, KEEP_ALIVE, MERGE_PROPS, NORMALIZE_CLASS, NORMALIZE_PROPS, NORMALIZE_STYLE, Namespaces, NodeTypes, OPEN_BLOCK, POP_SCOPE_ID, PUSH_SCOPE_ID, RENDER_LIST, RENDER_SLOT, RESOLVE_COMPONENT, RESOLVE_DIRECTIVE, RESOLVE_DYNAMIC_COMPONENT, RESOLVE_FILTER, SET_BLOCK_TRACKING, SUSPENSE, TELEPORT, TO_DISPLAY_STRING, TO_HANDLERS, TO_HANDLER_KEY, TRANSITION, TRANSITION_GROUP, TS_NODE_TYPES, UNREF, V_MODEL_CHECKBOX, V_MODEL_DYNAMIC, V_MODEL_RADIO, V_MODEL_SELECT, V_MODEL_TEXT, V_ON_WITH_KEYS, V_ON_WITH_MODIFIERS, V_SHOW, WITH_CTX, WITH_DIRECTIVES, WITH_MEMO, advancePositionWithClone, advancePositionWithMutation, assert, baseCompile, baseParse, buildDirectiveArgs, buildProps, buildSlots, checkCompatEnabled, compile, convertToBlock, createArrayExpression, createAssignmentExpression, createBlockStatement, createCacheExpression, createCallExpression, createCompilerError, createCompoundExpression, createConditionalExpression, createDOMCompilerError, createForLoopParams, createFunctionExpression, createIfStatement, createInterpolation, createObjectExpression, createObjectProperty, createReturnStatement, createRoot, createSequenceExpression, createSimpleExpression, createStructuralDirectiveTransform, createTemplateLiteral, createTransformContext, createVNodeCall, errorMessages, extractIdentifiers, findDir, findProp, forAliasRE, generate, generateCodeFrame, getBaseTransformPreset, getConstantType, getMemoedVNodeCall, getVNodeBlockHelper, getVNodeHelper, hasDynamicKeyVBind, hasScopeRef, helperNameMap, injectProp, isCoreComponent, isFnExpression, isFnExpressionBrowser, isFnExpressionNode, isFunctionType, isInDestructureAssignment, isInNewExpression, isMemberExpression, isMemberExpressionBrowser, isMemberExpressionNode, isReferencedIdentifier, isSimpleIdentifier, isSlotOutlet, isStaticArgOf, isStaticExp, isStaticProperty, isStaticPropertyKey, isTemplateNode, isText$1 as isText, isVPre, isVSlot, locStub, noopDirectiveTransform, parse, parserOptions, processExpression, processFor, processIf, processSlotOutlet, registerRuntimeHelpers, resolveComponentType, stringifyExpression, toValidAssetId, trackSlotScopes, trackVForSlotScopes, transform, transformBind, transformElement, transformExpression, transformModel$1 as transformModel, transformOn$1 as transformOn, transformStyle, traverseNode, unwrapTSNode, walkBlockDeclarations, walkFunctionParams, walkIdentifiers, warnDeprecation };
|