1403 lines
45 KiB
JavaScript
1403 lines
45 KiB
JavaScript
/**
|
|
* @vue/compiler-ssr v3.5.21
|
|
* (c) 2018-present Yuxi (Evan) You and Vue contributors
|
|
* @license MIT
|
|
**/
|
|
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
|
|
|
var compilerDom = require('@vue/compiler-dom');
|
|
var shared = require('@vue/shared');
|
|
|
|
const SSR_INTERPOLATE = Symbol(`ssrInterpolate`);
|
|
const SSR_RENDER_VNODE = Symbol(`ssrRenderVNode`);
|
|
const SSR_RENDER_COMPONENT = Symbol(`ssrRenderComponent`);
|
|
const SSR_RENDER_SLOT = Symbol(`ssrRenderSlot`);
|
|
const SSR_RENDER_SLOT_INNER = Symbol(`ssrRenderSlotInner`);
|
|
const SSR_RENDER_CLASS = Symbol(`ssrRenderClass`);
|
|
const SSR_RENDER_STYLE = Symbol(`ssrRenderStyle`);
|
|
const SSR_RENDER_ATTRS = Symbol(`ssrRenderAttrs`);
|
|
const SSR_RENDER_ATTR = Symbol(`ssrRenderAttr`);
|
|
const SSR_RENDER_DYNAMIC_ATTR = Symbol(`ssrRenderDynamicAttr`);
|
|
const SSR_RENDER_LIST = Symbol(`ssrRenderList`);
|
|
const SSR_INCLUDE_BOOLEAN_ATTR = Symbol(
|
|
`ssrIncludeBooleanAttr`
|
|
);
|
|
const SSR_LOOSE_EQUAL = Symbol(`ssrLooseEqual`);
|
|
const SSR_LOOSE_CONTAIN = Symbol(`ssrLooseContain`);
|
|
const SSR_RENDER_DYNAMIC_MODEL = Symbol(
|
|
`ssrRenderDynamicModel`
|
|
);
|
|
const SSR_GET_DYNAMIC_MODEL_PROPS = Symbol(
|
|
`ssrGetDynamicModelProps`
|
|
);
|
|
const SSR_RENDER_TELEPORT = Symbol(`ssrRenderTeleport`);
|
|
const SSR_RENDER_SUSPENSE = Symbol(`ssrRenderSuspense`);
|
|
const SSR_GET_DIRECTIVE_PROPS = Symbol(`ssrGetDirectiveProps`);
|
|
const ssrHelpers = {
|
|
[SSR_INTERPOLATE]: `ssrInterpolate`,
|
|
[SSR_RENDER_VNODE]: `ssrRenderVNode`,
|
|
[SSR_RENDER_COMPONENT]: `ssrRenderComponent`,
|
|
[SSR_RENDER_SLOT]: `ssrRenderSlot`,
|
|
[SSR_RENDER_SLOT_INNER]: `ssrRenderSlotInner`,
|
|
[SSR_RENDER_CLASS]: `ssrRenderClass`,
|
|
[SSR_RENDER_STYLE]: `ssrRenderStyle`,
|
|
[SSR_RENDER_ATTRS]: `ssrRenderAttrs`,
|
|
[SSR_RENDER_ATTR]: `ssrRenderAttr`,
|
|
[SSR_RENDER_DYNAMIC_ATTR]: `ssrRenderDynamicAttr`,
|
|
[SSR_RENDER_LIST]: `ssrRenderList`,
|
|
[SSR_INCLUDE_BOOLEAN_ATTR]: `ssrIncludeBooleanAttr`,
|
|
[SSR_LOOSE_EQUAL]: `ssrLooseEqual`,
|
|
[SSR_LOOSE_CONTAIN]: `ssrLooseContain`,
|
|
[SSR_RENDER_DYNAMIC_MODEL]: `ssrRenderDynamicModel`,
|
|
[SSR_GET_DYNAMIC_MODEL_PROPS]: `ssrGetDynamicModelProps`,
|
|
[SSR_RENDER_TELEPORT]: `ssrRenderTeleport`,
|
|
[SSR_RENDER_SUSPENSE]: `ssrRenderSuspense`,
|
|
[SSR_GET_DIRECTIVE_PROPS]: `ssrGetDirectiveProps`
|
|
};
|
|
compilerDom.registerRuntimeHelpers(ssrHelpers);
|
|
|
|
const ssrTransformIf = compilerDom.createStructuralDirectiveTransform(
|
|
/^(?:if|else|else-if)$/,
|
|
compilerDom.processIf
|
|
);
|
|
function ssrProcessIf(node, context, disableNestedFragments = false, disableComment = false) {
|
|
const [rootBranch] = node.branches;
|
|
const ifStatement = compilerDom.createIfStatement(
|
|
rootBranch.condition,
|
|
processIfBranch(rootBranch, context, disableNestedFragments)
|
|
);
|
|
context.pushStatement(ifStatement);
|
|
let currentIf = ifStatement;
|
|
for (let i = 1; i < node.branches.length; i++) {
|
|
const branch = node.branches[i];
|
|
const branchBlockStatement = processIfBranch(
|
|
branch,
|
|
context,
|
|
disableNestedFragments
|
|
);
|
|
if (branch.condition) {
|
|
currentIf = currentIf.alternate = compilerDom.createIfStatement(
|
|
branch.condition,
|
|
branchBlockStatement
|
|
);
|
|
} else {
|
|
currentIf.alternate = branchBlockStatement;
|
|
}
|
|
}
|
|
if (!currentIf.alternate && !disableComment) {
|
|
currentIf.alternate = compilerDom.createBlockStatement([
|
|
compilerDom.createCallExpression(`_push`, ["`<!---->`"])
|
|
]);
|
|
}
|
|
}
|
|
function processIfBranch(branch, context, disableNestedFragments = false) {
|
|
const { children } = branch;
|
|
const needFragmentWrapper = !disableNestedFragments && (children.length !== 1 || children[0].type !== 1) && // optimize away nested fragments when the only child is a ForNode
|
|
!(children.length === 1 && children[0].type === 11);
|
|
return processChildrenAsStatement(branch, context, needFragmentWrapper);
|
|
}
|
|
|
|
const ssrTransformFor = compilerDom.createStructuralDirectiveTransform("for", compilerDom.processFor);
|
|
function ssrProcessFor(node, context, disableNestedFragments = false) {
|
|
const needFragmentWrapper = !disableNestedFragments && (node.children.length !== 1 || node.children[0].type !== 1);
|
|
const renderLoop = compilerDom.createFunctionExpression(
|
|
compilerDom.createForLoopParams(node.parseResult)
|
|
);
|
|
renderLoop.body = processChildrenAsStatement(
|
|
node,
|
|
context,
|
|
needFragmentWrapper
|
|
);
|
|
if (!disableNestedFragments) {
|
|
context.pushStringPart(`<!--[-->`);
|
|
}
|
|
context.pushStatement(
|
|
compilerDom.createCallExpression(context.helper(SSR_RENDER_LIST), [
|
|
node.source,
|
|
renderLoop
|
|
])
|
|
);
|
|
if (!disableNestedFragments) {
|
|
context.pushStringPart(`<!--]-->`);
|
|
}
|
|
}
|
|
|
|
const ssrTransformSlotOutlet = (node, context) => {
|
|
if (compilerDom.isSlotOutlet(node)) {
|
|
const { slotName, slotProps } = compilerDom.processSlotOutlet(node, context);
|
|
const args = [
|
|
`_ctx.$slots`,
|
|
slotName,
|
|
slotProps || `{}`,
|
|
// fallback content placeholder. will be replaced in the process phase
|
|
`null`,
|
|
`_push`,
|
|
`_parent`
|
|
];
|
|
if (context.scopeId && context.slotted !== false) {
|
|
args.push(`"${context.scopeId}-s"`);
|
|
}
|
|
let method = SSR_RENDER_SLOT;
|
|
let parent = context.parent;
|
|
if (parent) {
|
|
const children = parent.children;
|
|
if (parent.type === 10) {
|
|
parent = context.grandParent;
|
|
}
|
|
let componentType;
|
|
if (parent.type === 1 && parent.tagType === 1 && ((componentType = compilerDom.resolveComponentType(parent, context, true)) === compilerDom.TRANSITION || componentType === compilerDom.TRANSITION_GROUP) && children.filter((c) => c.type === 1).length === 1) {
|
|
method = SSR_RENDER_SLOT_INNER;
|
|
if (!(context.scopeId && context.slotted !== false)) {
|
|
args.push("null");
|
|
}
|
|
args.push("true");
|
|
}
|
|
}
|
|
node.ssrCodegenNode = compilerDom.createCallExpression(context.helper(method), args);
|
|
}
|
|
};
|
|
function ssrProcessSlotOutlet(node, context) {
|
|
const renderCall = node.ssrCodegenNode;
|
|
if (node.children.length) {
|
|
const fallbackRenderFn = compilerDom.createFunctionExpression([]);
|
|
fallbackRenderFn.body = processChildrenAsStatement(node, context);
|
|
renderCall.arguments[3] = fallbackRenderFn;
|
|
}
|
|
if (context.withSlotScopeId) {
|
|
const slotScopeId = renderCall.arguments[6];
|
|
renderCall.arguments[6] = slotScopeId ? `${slotScopeId} + _scopeId` : `_scopeId`;
|
|
}
|
|
context.pushStatement(node.ssrCodegenNode);
|
|
}
|
|
|
|
function createSSRCompilerError(code, loc) {
|
|
return compilerDom.createCompilerError(code, loc, SSRErrorMessages);
|
|
}
|
|
const SSRErrorMessages = {
|
|
[65]: `Unsafe attribute name for SSR.`,
|
|
[66]: `Missing the 'to' prop on teleport element.`,
|
|
[67]: `Invalid AST node during SSR transform.`
|
|
};
|
|
|
|
function ssrProcessTeleport(node, context) {
|
|
const targetProp = compilerDom.findProp(node, "to");
|
|
if (!targetProp) {
|
|
context.onError(
|
|
createSSRCompilerError(66, node.loc)
|
|
);
|
|
return;
|
|
}
|
|
let target;
|
|
if (targetProp.type === 6) {
|
|
target = targetProp.value && compilerDom.createSimpleExpression(targetProp.value.content, true);
|
|
} else {
|
|
target = targetProp.exp;
|
|
}
|
|
if (!target) {
|
|
context.onError(
|
|
createSSRCompilerError(
|
|
66,
|
|
targetProp.loc
|
|
)
|
|
);
|
|
return;
|
|
}
|
|
const disabledProp = compilerDom.findProp(
|
|
node,
|
|
"disabled",
|
|
false,
|
|
true
|
|
/* allow empty */
|
|
);
|
|
const disabled = disabledProp ? disabledProp.type === 6 ? `true` : disabledProp.exp || `false` : `false`;
|
|
const contentRenderFn = compilerDom.createFunctionExpression(
|
|
[`_push`],
|
|
void 0,
|
|
// Body is added later
|
|
true,
|
|
// newline
|
|
false,
|
|
// isSlot
|
|
node.loc
|
|
);
|
|
contentRenderFn.body = processChildrenAsStatement(node, context);
|
|
context.pushStatement(
|
|
compilerDom.createCallExpression(context.helper(SSR_RENDER_TELEPORT), [
|
|
`_push`,
|
|
contentRenderFn,
|
|
target,
|
|
disabled,
|
|
`_parent`
|
|
])
|
|
);
|
|
}
|
|
|
|
const wipMap$3 = /* @__PURE__ */ new WeakMap();
|
|
function ssrTransformSuspense(node, context) {
|
|
return () => {
|
|
if (node.children.length) {
|
|
const wipEntry = {
|
|
slotsExp: null,
|
|
// to be immediately set
|
|
wipSlots: []
|
|
};
|
|
wipMap$3.set(node, wipEntry);
|
|
wipEntry.slotsExp = compilerDom.buildSlots(
|
|
node,
|
|
context,
|
|
(_props, _vForExp, children, loc) => {
|
|
const fn = compilerDom.createFunctionExpression(
|
|
[],
|
|
void 0,
|
|
// no return, assign body later
|
|
true,
|
|
// newline
|
|
false,
|
|
// suspense slots are not treated as normal slots
|
|
loc
|
|
);
|
|
wipEntry.wipSlots.push({
|
|
fn,
|
|
children
|
|
});
|
|
return fn;
|
|
}
|
|
).slots;
|
|
}
|
|
};
|
|
}
|
|
function ssrProcessSuspense(node, context) {
|
|
const wipEntry = wipMap$3.get(node);
|
|
if (!wipEntry) {
|
|
return;
|
|
}
|
|
const { slotsExp, wipSlots } = wipEntry;
|
|
for (let i = 0; i < wipSlots.length; i++) {
|
|
const slot = wipSlots[i];
|
|
slot.fn.body = processChildrenAsStatement(slot, context);
|
|
}
|
|
context.pushStatement(
|
|
compilerDom.createCallExpression(context.helper(SSR_RENDER_SUSPENSE), [
|
|
`_push`,
|
|
slotsExp
|
|
])
|
|
);
|
|
}
|
|
|
|
const rawChildrenMap = /* @__PURE__ */ new WeakMap();
|
|
const ssrTransformElement = (node, context) => {
|
|
if (node.type !== 1 || node.tagType !== 0) {
|
|
return;
|
|
}
|
|
return function ssrPostTransformElement() {
|
|
const openTag = [`<${node.tag}`];
|
|
const needTagForRuntime = node.tag === "textarea" || node.tag.indexOf("-") > 0;
|
|
const hasDynamicVBind = compilerDom.hasDynamicKeyVBind(node);
|
|
const hasCustomDir = node.props.some(
|
|
(p) => p.type === 7 && !shared.isBuiltInDirective(p.name)
|
|
);
|
|
const needMergeProps = hasDynamicVBind || hasCustomDir;
|
|
if (needMergeProps) {
|
|
const { props, directives } = compilerDom.buildProps(
|
|
node,
|
|
context,
|
|
node.props,
|
|
false,
|
|
false,
|
|
true
|
|
);
|
|
if (props || directives.length) {
|
|
const mergedProps = buildSSRProps(props, directives, context);
|
|
const propsExp = compilerDom.createCallExpression(
|
|
context.helper(SSR_RENDER_ATTRS),
|
|
[mergedProps]
|
|
);
|
|
if (node.tag === "textarea") {
|
|
const existingText = node.children[0];
|
|
if (!existingText || existingText.type !== 5) {
|
|
const tempId = `_temp${context.temps++}`;
|
|
propsExp.arguments = [
|
|
compilerDom.createAssignmentExpression(
|
|
compilerDom.createSimpleExpression(tempId, false),
|
|
mergedProps
|
|
)
|
|
];
|
|
rawChildrenMap.set(
|
|
node,
|
|
compilerDom.createCallExpression(context.helper(SSR_INTERPOLATE), [
|
|
compilerDom.createConditionalExpression(
|
|
compilerDom.createSimpleExpression(`"value" in ${tempId}`, false),
|
|
compilerDom.createSimpleExpression(`${tempId}.value`, false),
|
|
compilerDom.createSimpleExpression(
|
|
existingText ? existingText.content : ``,
|
|
true
|
|
),
|
|
false
|
|
)
|
|
])
|
|
);
|
|
}
|
|
} else if (node.tag === "input") {
|
|
const vModel = findVModel(node);
|
|
if (vModel) {
|
|
const tempId = `_temp${context.temps++}`;
|
|
const tempExp = compilerDom.createSimpleExpression(tempId, false);
|
|
propsExp.arguments = [
|
|
compilerDom.createSequenceExpression([
|
|
compilerDom.createAssignmentExpression(tempExp, mergedProps),
|
|
compilerDom.createCallExpression(context.helper(compilerDom.MERGE_PROPS), [
|
|
tempExp,
|
|
compilerDom.createCallExpression(
|
|
context.helper(SSR_GET_DYNAMIC_MODEL_PROPS),
|
|
[
|
|
tempExp,
|
|
// existing props
|
|
vModel.exp
|
|
// model
|
|
]
|
|
)
|
|
])
|
|
])
|
|
];
|
|
}
|
|
} else if (directives.length && !node.children.length) {
|
|
const vText = compilerDom.findDir(node, "text");
|
|
if (!vText) {
|
|
const tempId = `_temp${context.temps++}`;
|
|
propsExp.arguments = [
|
|
compilerDom.createAssignmentExpression(
|
|
compilerDom.createSimpleExpression(tempId, false),
|
|
mergedProps
|
|
)
|
|
];
|
|
rawChildrenMap.set(
|
|
node,
|
|
compilerDom.createConditionalExpression(
|
|
compilerDom.createSimpleExpression(`"textContent" in ${tempId}`, false),
|
|
compilerDom.createCallExpression(context.helper(SSR_INTERPOLATE), [
|
|
compilerDom.createSimpleExpression(`${tempId}.textContent`, false)
|
|
]),
|
|
compilerDom.createSimpleExpression(`${tempId}.innerHTML ?? ''`, false),
|
|
false
|
|
)
|
|
);
|
|
}
|
|
}
|
|
if (needTagForRuntime) {
|
|
propsExp.arguments.push(`"${node.tag}"`);
|
|
}
|
|
openTag.push(propsExp);
|
|
}
|
|
}
|
|
let dynamicClassBinding = void 0;
|
|
let staticClassBinding = void 0;
|
|
let dynamicStyleBinding = void 0;
|
|
for (let i = 0; i < node.props.length; i++) {
|
|
const prop = node.props[i];
|
|
if (node.tag === "input" && isTrueFalseValue(prop)) {
|
|
continue;
|
|
}
|
|
if (prop.type === 7) {
|
|
if (prop.name === "html" && prop.exp) {
|
|
rawChildrenMap.set(
|
|
node,
|
|
compilerDom.createCompoundExpression([`(`, prop.exp, `) ?? ''`])
|
|
);
|
|
} else if (prop.name === "text" && prop.exp) {
|
|
node.children = [compilerDom.createInterpolation(prop.exp, prop.loc)];
|
|
} else if (prop.name === "slot") {
|
|
context.onError(
|
|
compilerDom.createCompilerError(40, prop.loc)
|
|
);
|
|
} else if (isTextareaWithValue(node, prop) && prop.exp) {
|
|
if (!needMergeProps) {
|
|
node.children = [compilerDom.createInterpolation(prop.exp, prop.loc)];
|
|
}
|
|
} else if (!needMergeProps && prop.name !== "on") {
|
|
const directiveTransform = context.directiveTransforms[prop.name];
|
|
if (directiveTransform) {
|
|
const { props, ssrTagParts } = directiveTransform(
|
|
prop,
|
|
node,
|
|
context
|
|
);
|
|
if (ssrTagParts) {
|
|
openTag.push(...ssrTagParts);
|
|
}
|
|
for (let j = 0; j < props.length; j++) {
|
|
const { key, value } = props[j];
|
|
if (compilerDom.isStaticExp(key)) {
|
|
let attrName = key.content;
|
|
if (attrName === "key" || attrName === "ref") {
|
|
continue;
|
|
}
|
|
if (attrName === "class") {
|
|
openTag.push(
|
|
` class="`,
|
|
dynamicClassBinding = compilerDom.createCallExpression(
|
|
context.helper(SSR_RENDER_CLASS),
|
|
[value]
|
|
),
|
|
`"`
|
|
);
|
|
} else if (attrName === "style") {
|
|
if (dynamicStyleBinding) {
|
|
mergeCall(dynamicStyleBinding, value);
|
|
} else {
|
|
openTag.push(
|
|
` style="`,
|
|
dynamicStyleBinding = compilerDom.createCallExpression(
|
|
context.helper(SSR_RENDER_STYLE),
|
|
[value]
|
|
),
|
|
`"`
|
|
);
|
|
}
|
|
} else {
|
|
attrName = node.tag.indexOf("-") > 0 ? attrName : shared.propsToAttrMap[attrName] || attrName.toLowerCase();
|
|
if (shared.isBooleanAttr(attrName)) {
|
|
openTag.push(
|
|
compilerDom.createConditionalExpression(
|
|
compilerDom.createCallExpression(
|
|
context.helper(SSR_INCLUDE_BOOLEAN_ATTR),
|
|
[value]
|
|
),
|
|
compilerDom.createSimpleExpression(" " + attrName, true),
|
|
compilerDom.createSimpleExpression("", true),
|
|
false
|
|
)
|
|
);
|
|
} else if (shared.isSSRSafeAttrName(attrName)) {
|
|
openTag.push(
|
|
compilerDom.createCallExpression(context.helper(SSR_RENDER_ATTR), [
|
|
key,
|
|
value
|
|
])
|
|
);
|
|
} else {
|
|
context.onError(
|
|
createSSRCompilerError(
|
|
65,
|
|
key.loc
|
|
)
|
|
);
|
|
}
|
|
}
|
|
} else {
|
|
const args = [key, value];
|
|
if (needTagForRuntime) {
|
|
args.push(`"${node.tag}"`);
|
|
}
|
|
openTag.push(
|
|
compilerDom.createCallExpression(
|
|
context.helper(SSR_RENDER_DYNAMIC_ATTR),
|
|
args
|
|
)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
const name = prop.name;
|
|
if (node.tag === "textarea" && name === "value" && prop.value) {
|
|
rawChildrenMap.set(node, shared.escapeHtml(prop.value.content));
|
|
} else if (!needMergeProps) {
|
|
if (name === "key" || name === "ref") {
|
|
continue;
|
|
}
|
|
if (name === "class" && prop.value) {
|
|
staticClassBinding = JSON.stringify(prop.value.content);
|
|
}
|
|
openTag.push(
|
|
` ${prop.name}` + (prop.value ? `="${shared.escapeHtml(prop.value.content)}"` : ``)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
if (dynamicClassBinding && staticClassBinding) {
|
|
mergeCall(dynamicClassBinding, staticClassBinding);
|
|
removeStaticBinding(openTag, "class");
|
|
}
|
|
if (context.scopeId) {
|
|
openTag.push(` ${context.scopeId}`);
|
|
}
|
|
node.ssrCodegenNode = compilerDom.createTemplateLiteral(openTag);
|
|
};
|
|
};
|
|
function buildSSRProps(props, directives, context) {
|
|
let mergePropsArgs = [];
|
|
if (props) {
|
|
if (props.type === 14) {
|
|
mergePropsArgs = props.arguments;
|
|
} else {
|
|
mergePropsArgs.push(props);
|
|
}
|
|
}
|
|
if (directives.length) {
|
|
for (const dir of directives) {
|
|
mergePropsArgs.push(
|
|
compilerDom.createCallExpression(context.helper(SSR_GET_DIRECTIVE_PROPS), [
|
|
`_ctx`,
|
|
...compilerDom.buildDirectiveArgs(dir, context).elements
|
|
])
|
|
);
|
|
}
|
|
}
|
|
return mergePropsArgs.length > 1 ? compilerDom.createCallExpression(context.helper(compilerDom.MERGE_PROPS), mergePropsArgs) : mergePropsArgs[0];
|
|
}
|
|
function isTrueFalseValue(prop) {
|
|
if (prop.type === 7) {
|
|
return prop.name === "bind" && prop.arg && compilerDom.isStaticExp(prop.arg) && (prop.arg.content === "true-value" || prop.arg.content === "false-value");
|
|
} else {
|
|
return prop.name === "true-value" || prop.name === "false-value";
|
|
}
|
|
}
|
|
function isTextareaWithValue(node, prop) {
|
|
return !!(node.tag === "textarea" && prop.name === "bind" && compilerDom.isStaticArgOf(prop.arg, "value"));
|
|
}
|
|
function mergeCall(call, arg) {
|
|
const existing = call.arguments[0];
|
|
if (existing.type === 17) {
|
|
existing.elements.push(arg);
|
|
} else {
|
|
call.arguments[0] = compilerDom.createArrayExpression([existing, arg]);
|
|
}
|
|
}
|
|
function removeStaticBinding(tag, binding) {
|
|
const regExp = new RegExp(`^ ${binding}=".+"$`);
|
|
const i = tag.findIndex((e) => typeof e === "string" && regExp.test(e));
|
|
if (i > -1) {
|
|
tag.splice(i, 1);
|
|
}
|
|
}
|
|
function findVModel(node) {
|
|
return node.props.find(
|
|
(p) => p.type === 7 && p.name === "model" && p.exp
|
|
);
|
|
}
|
|
function ssrProcessElement(node, context) {
|
|
const isVoidTag = context.options.isVoidTag || shared.NO;
|
|
const elementsToAdd = node.ssrCodegenNode.elements;
|
|
for (let j = 0; j < elementsToAdd.length; j++) {
|
|
context.pushStringPart(elementsToAdd[j]);
|
|
}
|
|
if (context.withSlotScopeId) {
|
|
context.pushStringPart(compilerDom.createSimpleExpression(`_scopeId`, false));
|
|
}
|
|
context.pushStringPart(`>`);
|
|
const rawChildren = rawChildrenMap.get(node);
|
|
if (rawChildren) {
|
|
context.pushStringPart(rawChildren);
|
|
} else if (node.children.length) {
|
|
processChildren(node, context);
|
|
}
|
|
if (!isVoidTag(node.tag)) {
|
|
context.pushStringPart(`</${node.tag}>`);
|
|
}
|
|
}
|
|
|
|
const wipMap$2 = /* @__PURE__ */ new WeakMap();
|
|
function ssrTransformTransitionGroup(node, context) {
|
|
return () => {
|
|
const tag = compilerDom.findProp(node, "tag");
|
|
if (tag) {
|
|
const otherProps = node.props.filter((p) => p !== tag);
|
|
const { props, directives } = compilerDom.buildProps(
|
|
node,
|
|
context,
|
|
otherProps,
|
|
true,
|
|
false,
|
|
true
|
|
);
|
|
let propsExp = null;
|
|
if (props || directives.length) {
|
|
propsExp = compilerDom.createCallExpression(context.helper(SSR_RENDER_ATTRS), [
|
|
buildSSRProps(props, directives, context)
|
|
]);
|
|
}
|
|
wipMap$2.set(node, {
|
|
tag,
|
|
propsExp,
|
|
scopeId: context.scopeId || null
|
|
});
|
|
}
|
|
};
|
|
}
|
|
function ssrProcessTransitionGroup(node, context) {
|
|
const entry = wipMap$2.get(node);
|
|
if (entry) {
|
|
const { tag, propsExp, scopeId } = entry;
|
|
if (tag.type === 7) {
|
|
context.pushStringPart(`<`);
|
|
context.pushStringPart(tag.exp);
|
|
if (propsExp) {
|
|
context.pushStringPart(propsExp);
|
|
}
|
|
if (scopeId) {
|
|
context.pushStringPart(` ${scopeId}`);
|
|
}
|
|
context.pushStringPart(`>`);
|
|
processChildren(
|
|
node,
|
|
context,
|
|
false,
|
|
/**
|
|
* TransitionGroup has the special runtime behavior of flattening and
|
|
* concatenating all children into a single fragment (in order for them to
|
|
* be patched using the same key map) so we need to account for that here
|
|
* by disabling nested fragment wrappers from being generated.
|
|
*/
|
|
true,
|
|
/**
|
|
* TransitionGroup filters out comment children at runtime and thus
|
|
* doesn't expect comments to be present during hydration. We need to
|
|
* account for that by disabling the empty comment that is otherwise
|
|
* rendered for a falsy v-if that has no v-else specified. (#6715)
|
|
*/
|
|
true
|
|
);
|
|
context.pushStringPart(`</`);
|
|
context.pushStringPart(tag.exp);
|
|
context.pushStringPart(`>`);
|
|
} else {
|
|
context.pushStringPart(`<${tag.value.content}`);
|
|
if (propsExp) {
|
|
context.pushStringPart(propsExp);
|
|
}
|
|
if (scopeId) {
|
|
context.pushStringPart(` ${scopeId}`);
|
|
}
|
|
context.pushStringPart(`>`);
|
|
processChildren(node, context, false, true, true);
|
|
context.pushStringPart(`</${tag.value.content}>`);
|
|
}
|
|
} else {
|
|
processChildren(node, context, true, true, true);
|
|
}
|
|
}
|
|
|
|
const wipMap$1 = /* @__PURE__ */ new WeakMap();
|
|
function ssrTransformTransition(node, context) {
|
|
return () => {
|
|
const appear = compilerDom.findProp(node, "appear", false, true);
|
|
wipMap$1.set(node, !!appear);
|
|
};
|
|
}
|
|
function ssrProcessTransition(node, context) {
|
|
node.children = node.children.filter((c) => c.type !== 3);
|
|
const appear = wipMap$1.get(node);
|
|
if (appear) {
|
|
context.pushStringPart(`<template>`);
|
|
processChildren(node, context, false, true);
|
|
context.pushStringPart(`</template>`);
|
|
} else {
|
|
processChildren(node, context, false, true);
|
|
}
|
|
}
|
|
|
|
const wipMap = /* @__PURE__ */ new WeakMap();
|
|
const WIP_SLOT = Symbol();
|
|
const componentTypeMap = /* @__PURE__ */ new WeakMap();
|
|
const ssrTransformComponent = (node, context) => {
|
|
if (node.type !== 1 || node.tagType !== 1) {
|
|
return;
|
|
}
|
|
const component = compilerDom.resolveComponentType(
|
|
node,
|
|
context,
|
|
true
|
|
/* ssr */
|
|
);
|
|
const isDynamicComponent = shared.isObject(component) && component.callee === compilerDom.RESOLVE_DYNAMIC_COMPONENT;
|
|
componentTypeMap.set(node, component);
|
|
if (shared.isSymbol(component)) {
|
|
if (component === compilerDom.SUSPENSE) {
|
|
return ssrTransformSuspense(node, context);
|
|
} else if (component === compilerDom.TRANSITION_GROUP) {
|
|
return ssrTransformTransitionGroup(node, context);
|
|
} else if (component === compilerDom.TRANSITION) {
|
|
return ssrTransformTransition(node);
|
|
}
|
|
return;
|
|
}
|
|
const vnodeBranches = [];
|
|
const clonedNode = clone(node);
|
|
return function ssrPostTransformComponent() {
|
|
if (clonedNode.children.length) {
|
|
compilerDom.buildSlots(clonedNode, context, (props, vFor, children) => {
|
|
vnodeBranches.push(
|
|
createVNodeSlotBranch(props, vFor, children, context)
|
|
);
|
|
return compilerDom.createFunctionExpression(void 0);
|
|
});
|
|
}
|
|
let propsExp = `null`;
|
|
if (node.props.length) {
|
|
const { props, directives } = compilerDom.buildProps(
|
|
node,
|
|
context,
|
|
void 0,
|
|
true,
|
|
isDynamicComponent
|
|
);
|
|
if (props || directives.length) {
|
|
propsExp = buildSSRProps(props, directives, context);
|
|
}
|
|
}
|
|
const wipEntries = [];
|
|
wipMap.set(node, wipEntries);
|
|
const buildSSRSlotFn = (props, _vForExp, children, loc) => {
|
|
const param0 = props && compilerDom.stringifyExpression(props) || `_`;
|
|
const fn = compilerDom.createFunctionExpression(
|
|
[param0, `_push`, `_parent`, `_scopeId`],
|
|
void 0,
|
|
// no return, assign body later
|
|
true,
|
|
// newline
|
|
true,
|
|
// isSlot
|
|
loc
|
|
);
|
|
wipEntries.push({
|
|
type: WIP_SLOT,
|
|
fn,
|
|
children,
|
|
// also collect the corresponding vnode branch built earlier
|
|
vnodeBranch: vnodeBranches[wipEntries.length]
|
|
});
|
|
return fn;
|
|
};
|
|
const slots = node.children.length ? compilerDom.buildSlots(node, context, buildSSRSlotFn).slots : `null`;
|
|
if (typeof component !== "string") {
|
|
node.ssrCodegenNode = compilerDom.createCallExpression(
|
|
context.helper(SSR_RENDER_VNODE),
|
|
[
|
|
`_push`,
|
|
compilerDom.createCallExpression(context.helper(compilerDom.CREATE_VNODE), [
|
|
component,
|
|
propsExp,
|
|
slots
|
|
]),
|
|
`_parent`
|
|
]
|
|
);
|
|
} else {
|
|
node.ssrCodegenNode = compilerDom.createCallExpression(
|
|
context.helper(SSR_RENDER_COMPONENT),
|
|
[component, propsExp, slots, `_parent`]
|
|
);
|
|
}
|
|
};
|
|
};
|
|
function ssrProcessComponent(node, context, parent) {
|
|
const component = componentTypeMap.get(node);
|
|
if (!node.ssrCodegenNode) {
|
|
if (component === compilerDom.TELEPORT) {
|
|
return ssrProcessTeleport(node, context);
|
|
} else if (component === compilerDom.SUSPENSE) {
|
|
return ssrProcessSuspense(node, context);
|
|
} else if (component === compilerDom.TRANSITION_GROUP) {
|
|
return ssrProcessTransitionGroup(node, context);
|
|
} else {
|
|
if (parent.type === WIP_SLOT) {
|
|
context.pushStringPart(``);
|
|
}
|
|
if (component === compilerDom.TRANSITION) {
|
|
return ssrProcessTransition(node, context);
|
|
}
|
|
processChildren(node, context);
|
|
}
|
|
} else {
|
|
const wipEntries = wipMap.get(node) || [];
|
|
for (let i = 0; i < wipEntries.length; i++) {
|
|
const { fn, vnodeBranch } = wipEntries[i];
|
|
fn.body = compilerDom.createIfStatement(
|
|
compilerDom.createSimpleExpression(`_push`, false),
|
|
processChildrenAsStatement(
|
|
wipEntries[i],
|
|
context,
|
|
false,
|
|
true
|
|
),
|
|
vnodeBranch
|
|
);
|
|
}
|
|
if (context.withSlotScopeId) {
|
|
node.ssrCodegenNode.arguments.push(`_scopeId`);
|
|
}
|
|
if (typeof component === "string") {
|
|
context.pushStatement(
|
|
compilerDom.createCallExpression(`_push`, [node.ssrCodegenNode])
|
|
);
|
|
} else {
|
|
context.pushStatement(node.ssrCodegenNode);
|
|
}
|
|
}
|
|
}
|
|
const rawOptionsMap = /* @__PURE__ */ new WeakMap();
|
|
const [baseNodeTransforms, baseDirectiveTransforms] = compilerDom.getBaseTransformPreset(true);
|
|
const vnodeNodeTransforms = [...baseNodeTransforms, ...compilerDom.DOMNodeTransforms];
|
|
const vnodeDirectiveTransforms = {
|
|
...baseDirectiveTransforms,
|
|
...compilerDom.DOMDirectiveTransforms
|
|
};
|
|
function createVNodeSlotBranch(slotProps, vFor, children, parentContext) {
|
|
const rawOptions = rawOptionsMap.get(parentContext.root);
|
|
const subOptions = {
|
|
...rawOptions,
|
|
// overwrite with vnode-based transforms
|
|
nodeTransforms: [
|
|
...vnodeNodeTransforms,
|
|
...rawOptions.nodeTransforms || []
|
|
],
|
|
directiveTransforms: {
|
|
...vnodeDirectiveTransforms,
|
|
...rawOptions.directiveTransforms || {}
|
|
}
|
|
};
|
|
const wrapperProps = [];
|
|
if (slotProps) {
|
|
wrapperProps.push({
|
|
type: 7,
|
|
name: "slot",
|
|
exp: slotProps,
|
|
arg: void 0,
|
|
modifiers: [],
|
|
loc: compilerDom.locStub
|
|
});
|
|
}
|
|
if (vFor) {
|
|
wrapperProps.push(shared.extend({}, vFor));
|
|
}
|
|
const wrapperNode = {
|
|
type: 1,
|
|
ns: 0,
|
|
tag: "template",
|
|
tagType: 3,
|
|
props: wrapperProps,
|
|
children,
|
|
loc: compilerDom.locStub,
|
|
codegenNode: void 0
|
|
};
|
|
subTransform(wrapperNode, subOptions, parentContext);
|
|
return compilerDom.createReturnStatement(children);
|
|
}
|
|
function subTransform(node, options, parentContext) {
|
|
const childRoot = compilerDom.createRoot([node]);
|
|
const childContext = compilerDom.createTransformContext(childRoot, options);
|
|
childContext.ssr = false;
|
|
childContext.scopes = { ...parentContext.scopes };
|
|
childContext.identifiers = { ...parentContext.identifiers };
|
|
childContext.imports = parentContext.imports;
|
|
compilerDom.traverseNode(childRoot, childContext);
|
|
["helpers", "components", "directives"].forEach((key) => {
|
|
childContext[key].forEach((value, helperKey) => {
|
|
if (key === "helpers") {
|
|
const parentCount = parentContext.helpers.get(helperKey);
|
|
if (parentCount === void 0) {
|
|
parentContext.helpers.set(helperKey, value);
|
|
} else {
|
|
parentContext.helpers.set(helperKey, value + parentCount);
|
|
}
|
|
} else {
|
|
parentContext[key].add(value);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
function clone(v) {
|
|
if (shared.isArray(v)) {
|
|
return v.map(clone);
|
|
} else if (shared.isPlainObject(v)) {
|
|
const res = {};
|
|
for (const key in v) {
|
|
res[key] = clone(v[key]);
|
|
}
|
|
return res;
|
|
} else {
|
|
return v;
|
|
}
|
|
}
|
|
|
|
function ssrCodegenTransform(ast, options) {
|
|
const context = createSSRTransformContext(ast, options);
|
|
if (options.ssrCssVars) {
|
|
const cssContext = compilerDom.createTransformContext(compilerDom.createRoot([]), options);
|
|
const varsExp = compilerDom.processExpression(
|
|
compilerDom.createSimpleExpression(options.ssrCssVars, false),
|
|
cssContext
|
|
);
|
|
context.body.push(
|
|
compilerDom.createCompoundExpression([`const _cssVars = { style: `, varsExp, `}`])
|
|
);
|
|
Array.from(cssContext.helpers.keys()).forEach((helper) => {
|
|
ast.helpers.add(helper);
|
|
});
|
|
}
|
|
const isFragment = ast.children.length > 1 && ast.children.some((c) => !compilerDom.isText(c));
|
|
processChildren(ast, context, isFragment);
|
|
ast.codegenNode = compilerDom.createBlockStatement(context.body);
|
|
ast.ssrHelpers = Array.from(
|
|
/* @__PURE__ */ new Set([
|
|
...Array.from(ast.helpers).filter((h) => h in ssrHelpers),
|
|
...context.helpers
|
|
])
|
|
);
|
|
ast.helpers = new Set(Array.from(ast.helpers).filter((h) => !(h in ssrHelpers)));
|
|
}
|
|
function createSSRTransformContext(root, options, helpers = /* @__PURE__ */ new Set(), withSlotScopeId = false) {
|
|
const body = [];
|
|
let currentString = null;
|
|
return {
|
|
root,
|
|
options,
|
|
body,
|
|
helpers,
|
|
withSlotScopeId,
|
|
onError: options.onError || ((e) => {
|
|
throw e;
|
|
}),
|
|
helper(name) {
|
|
helpers.add(name);
|
|
return name;
|
|
},
|
|
pushStringPart(part) {
|
|
if (!currentString) {
|
|
const currentCall = compilerDom.createCallExpression(`_push`);
|
|
body.push(currentCall);
|
|
currentString = compilerDom.createTemplateLiteral([]);
|
|
currentCall.arguments.push(currentString);
|
|
}
|
|
const bufferedElements = currentString.elements;
|
|
const lastItem = bufferedElements[bufferedElements.length - 1];
|
|
if (shared.isString(part) && shared.isString(lastItem)) {
|
|
bufferedElements[bufferedElements.length - 1] += part;
|
|
} else {
|
|
bufferedElements.push(part);
|
|
}
|
|
},
|
|
pushStatement(statement) {
|
|
currentString = null;
|
|
body.push(statement);
|
|
}
|
|
};
|
|
}
|
|
function createChildContext(parent, withSlotScopeId = parent.withSlotScopeId) {
|
|
return createSSRTransformContext(
|
|
parent.root,
|
|
parent.options,
|
|
parent.helpers,
|
|
withSlotScopeId
|
|
);
|
|
}
|
|
function processChildren(parent, context, asFragment = false, disableNestedFragments = false, disableComment = false) {
|
|
if (asFragment) {
|
|
context.pushStringPart(`<!--[-->`);
|
|
}
|
|
const { children } = parent;
|
|
for (let i = 0; i < children.length; i++) {
|
|
const child = children[i];
|
|
switch (child.type) {
|
|
case 1:
|
|
switch (child.tagType) {
|
|
case 0:
|
|
ssrProcessElement(child, context);
|
|
break;
|
|
case 1:
|
|
ssrProcessComponent(child, context, parent);
|
|
break;
|
|
case 2:
|
|
ssrProcessSlotOutlet(child, context);
|
|
break;
|
|
case 3:
|
|
break;
|
|
default:
|
|
context.onError(
|
|
createSSRCompilerError(
|
|
67,
|
|
child.loc
|
|
)
|
|
);
|
|
const exhaustiveCheck2 = child;
|
|
return exhaustiveCheck2;
|
|
}
|
|
break;
|
|
case 2:
|
|
context.pushStringPart(shared.escapeHtml(child.content));
|
|
break;
|
|
case 3:
|
|
if (!disableComment) {
|
|
context.pushStringPart(`<!--${child.content}-->`);
|
|
}
|
|
break;
|
|
case 5:
|
|
context.pushStringPart(
|
|
compilerDom.createCallExpression(context.helper(SSR_INTERPOLATE), [
|
|
child.content
|
|
])
|
|
);
|
|
break;
|
|
case 9:
|
|
ssrProcessIf(child, context, disableNestedFragments, disableComment);
|
|
break;
|
|
case 11:
|
|
ssrProcessFor(child, context, disableNestedFragments);
|
|
break;
|
|
case 10:
|
|
break;
|
|
case 12:
|
|
case 8:
|
|
break;
|
|
default:
|
|
context.onError(
|
|
createSSRCompilerError(
|
|
67,
|
|
child.loc
|
|
)
|
|
);
|
|
const exhaustiveCheck = child;
|
|
return exhaustiveCheck;
|
|
}
|
|
}
|
|
if (asFragment) {
|
|
context.pushStringPart(`<!--]-->`);
|
|
}
|
|
}
|
|
function processChildrenAsStatement(parent, parentContext, asFragment = false, withSlotScopeId = parentContext.withSlotScopeId) {
|
|
const childContext = createChildContext(parentContext, withSlotScopeId);
|
|
processChildren(parent, childContext, asFragment);
|
|
return compilerDom.createBlockStatement(childContext.body);
|
|
}
|
|
|
|
const ssrTransformModel = (dir, node, context) => {
|
|
const model = dir.exp;
|
|
function checkDuplicatedValue() {
|
|
const value = compilerDom.findProp(node, "value");
|
|
if (value) {
|
|
context.onError(
|
|
compilerDom.createDOMCompilerError(
|
|
60,
|
|
value.loc
|
|
)
|
|
);
|
|
}
|
|
}
|
|
const processSelectChildren = (children) => {
|
|
children.forEach((child) => {
|
|
if (child.type === 1) {
|
|
processOption(child);
|
|
} else if (child.type === 11) {
|
|
processSelectChildren(child.children);
|
|
} else if (child.type === 9) {
|
|
child.branches.forEach((b) => processSelectChildren(b.children));
|
|
}
|
|
});
|
|
};
|
|
function processOption(plainNode) {
|
|
if (plainNode.tag === "option") {
|
|
if (plainNode.props.findIndex((p) => p.name === "selected") === -1) {
|
|
const value = findValueBinding(plainNode);
|
|
plainNode.ssrCodegenNode.elements.push(
|
|
compilerDom.createConditionalExpression(
|
|
compilerDom.createCallExpression(context.helper(SSR_INCLUDE_BOOLEAN_ATTR), [
|
|
compilerDom.createConditionalExpression(
|
|
compilerDom.createCallExpression(`Array.isArray`, [model]),
|
|
compilerDom.createCallExpression(context.helper(SSR_LOOSE_CONTAIN), [
|
|
model,
|
|
value
|
|
]),
|
|
compilerDom.createCallExpression(context.helper(SSR_LOOSE_EQUAL), [
|
|
model,
|
|
value
|
|
])
|
|
)
|
|
]),
|
|
compilerDom.createSimpleExpression(" selected", true),
|
|
compilerDom.createSimpleExpression("", true),
|
|
false
|
|
)
|
|
);
|
|
}
|
|
} else if (plainNode.tag === "optgroup") {
|
|
processSelectChildren(plainNode.children);
|
|
}
|
|
}
|
|
if (node.tagType === 0) {
|
|
const res = { props: [] };
|
|
const defaultProps = [
|
|
// default value binding for text type inputs
|
|
compilerDom.createObjectProperty(`value`, model)
|
|
];
|
|
if (node.tag === "input") {
|
|
const type = compilerDom.findProp(node, "type");
|
|
if (type) {
|
|
const value = findValueBinding(node);
|
|
if (type.type === 7) {
|
|
res.ssrTagParts = [
|
|
compilerDom.createCallExpression(context.helper(SSR_RENDER_DYNAMIC_MODEL), [
|
|
type.exp,
|
|
model,
|
|
value
|
|
])
|
|
];
|
|
} else if (type.value) {
|
|
switch (type.value.content) {
|
|
case "radio":
|
|
res.props = [
|
|
compilerDom.createObjectProperty(
|
|
`checked`,
|
|
compilerDom.createCallExpression(context.helper(SSR_LOOSE_EQUAL), [
|
|
model,
|
|
value
|
|
])
|
|
)
|
|
];
|
|
break;
|
|
case "checkbox":
|
|
const trueValueBinding = compilerDom.findProp(node, "true-value");
|
|
if (trueValueBinding) {
|
|
const trueValue = trueValueBinding.type === 6 ? JSON.stringify(trueValueBinding.value.content) : trueValueBinding.exp;
|
|
res.props = [
|
|
compilerDom.createObjectProperty(
|
|
`checked`,
|
|
compilerDom.createCallExpression(context.helper(SSR_LOOSE_EQUAL), [
|
|
model,
|
|
trueValue
|
|
])
|
|
)
|
|
];
|
|
} else {
|
|
res.props = [
|
|
compilerDom.createObjectProperty(
|
|
`checked`,
|
|
compilerDom.createConditionalExpression(
|
|
compilerDom.createCallExpression(`Array.isArray`, [model]),
|
|
compilerDom.createCallExpression(context.helper(SSR_LOOSE_CONTAIN), [
|
|
model,
|
|
value
|
|
]),
|
|
model
|
|
)
|
|
)
|
|
];
|
|
}
|
|
break;
|
|
case "file":
|
|
context.onError(
|
|
compilerDom.createDOMCompilerError(
|
|
59,
|
|
dir.loc
|
|
)
|
|
);
|
|
break;
|
|
default:
|
|
checkDuplicatedValue();
|
|
res.props = defaultProps;
|
|
break;
|
|
}
|
|
}
|
|
} else if (compilerDom.hasDynamicKeyVBind(node)) ; else {
|
|
checkDuplicatedValue();
|
|
res.props = defaultProps;
|
|
}
|
|
} else if (node.tag === "textarea") {
|
|
checkDuplicatedValue();
|
|
node.children = [compilerDom.createInterpolation(model, model.loc)];
|
|
} else if (node.tag === "select") {
|
|
processSelectChildren(node.children);
|
|
} else {
|
|
context.onError(
|
|
compilerDom.createDOMCompilerError(
|
|
57,
|
|
dir.loc
|
|
)
|
|
);
|
|
}
|
|
return res;
|
|
} else {
|
|
return compilerDom.transformModel(dir, node, context);
|
|
}
|
|
};
|
|
function findValueBinding(node) {
|
|
const valueBinding = compilerDom.findProp(node, "value");
|
|
return valueBinding ? valueBinding.type === 7 ? valueBinding.exp : compilerDom.createSimpleExpression(valueBinding.value.content, true) : compilerDom.createSimpleExpression(`null`, false);
|
|
}
|
|
|
|
const ssrTransformShow = (dir, node, context) => {
|
|
if (!dir.exp) {
|
|
context.onError(
|
|
compilerDom.createDOMCompilerError(61)
|
|
);
|
|
}
|
|
return {
|
|
props: [
|
|
compilerDom.createObjectProperty(
|
|
`style`,
|
|
compilerDom.createConditionalExpression(
|
|
dir.exp,
|
|
compilerDom.createSimpleExpression(`null`, false),
|
|
compilerDom.createObjectExpression([
|
|
compilerDom.createObjectProperty(
|
|
`display`,
|
|
compilerDom.createSimpleExpression(`none`, true)
|
|
)
|
|
]),
|
|
false
|
|
)
|
|
)
|
|
]
|
|
};
|
|
};
|
|
|
|
const filterChild = (node) => node.children.filter((n) => n.type !== 3);
|
|
const hasSingleChild = (node) => filterChild(node).length === 1;
|
|
const ssrInjectFallthroughAttrs = (node, context) => {
|
|
if (node.type === 0) {
|
|
context.identifiers._attrs = 1;
|
|
}
|
|
if (node.type === 1 && node.tagType === 1 && (node.tag === "transition" || node.tag === "Transition" || node.tag === "KeepAlive" || node.tag === "keep-alive")) {
|
|
const rootChildren = filterChild(context.root);
|
|
if (rootChildren.length === 1 && rootChildren[0] === node) {
|
|
if (hasSingleChild(node)) {
|
|
injectFallthroughAttrs(node.children[0]);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
const parent = context.parent;
|
|
if (!parent || parent.type !== 0) {
|
|
return;
|
|
}
|
|
if (node.type === 10 && hasSingleChild(node)) {
|
|
let hasEncounteredIf = false;
|
|
for (const c of filterChild(parent)) {
|
|
if (c.type === 9 || c.type === 1 && compilerDom.findDir(c, "if")) {
|
|
if (hasEncounteredIf) return;
|
|
hasEncounteredIf = true;
|
|
} else if (
|
|
// node before v-if
|
|
!hasEncounteredIf || // non else nodes
|
|
!(c.type === 1 && compilerDom.findDir(c, /else/, true))
|
|
) {
|
|
return;
|
|
}
|
|
}
|
|
injectFallthroughAttrs(node.children[0]);
|
|
} else if (hasSingleChild(parent)) {
|
|
injectFallthroughAttrs(node);
|
|
}
|
|
};
|
|
function injectFallthroughAttrs(node) {
|
|
if (node.type === 1 && (node.tagType === 0 || node.tagType === 1) && !compilerDom.findDir(node, "for")) {
|
|
node.props.push({
|
|
type: 7,
|
|
name: "bind",
|
|
arg: void 0,
|
|
exp: compilerDom.createSimpleExpression(`_attrs`, false),
|
|
modifiers: [],
|
|
loc: compilerDom.locStub
|
|
});
|
|
}
|
|
}
|
|
|
|
const ssrInjectCssVars = (node, context) => {
|
|
if (!context.ssrCssVars) {
|
|
return;
|
|
}
|
|
if (node.type === 0) {
|
|
context.identifiers._cssVars = 1;
|
|
}
|
|
const parent = context.parent;
|
|
if (!parent || parent.type !== 0) {
|
|
return;
|
|
}
|
|
if (node.type === 10) {
|
|
for (const child of node.children) {
|
|
injectCssVars(child);
|
|
}
|
|
} else {
|
|
injectCssVars(node);
|
|
}
|
|
};
|
|
function injectCssVars(node) {
|
|
if (node.type === 1 && (node.tagType === 0 || node.tagType === 1) && !compilerDom.findDir(node, "for")) {
|
|
if (node.tag === "suspense" || node.tag === "Suspense") {
|
|
for (const child of node.children) {
|
|
if (child.type === 1 && child.tagType === 3) {
|
|
child.children.forEach(injectCssVars);
|
|
} else {
|
|
injectCssVars(child);
|
|
}
|
|
}
|
|
} else {
|
|
node.props.push({
|
|
type: 7,
|
|
name: "bind",
|
|
arg: void 0,
|
|
exp: compilerDom.createSimpleExpression(`_cssVars`, false),
|
|
modifiers: [],
|
|
loc: compilerDom.locStub
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
function compile(source, options = {}) {
|
|
options = {
|
|
...options,
|
|
...compilerDom.parserOptions,
|
|
ssr: true,
|
|
inSSR: true,
|
|
scopeId: options.mode === "function" ? null : options.scopeId,
|
|
// always prefix since compiler-ssr doesn't have size concern
|
|
prefixIdentifiers: true,
|
|
// disable optimizations that are unnecessary for ssr
|
|
cacheHandlers: false,
|
|
hoistStatic: false
|
|
};
|
|
const ast = typeof source === "string" ? compilerDom.baseParse(source, options) : source;
|
|
rawOptionsMap.set(ast, options);
|
|
compilerDom.transform(ast, {
|
|
...options,
|
|
hoistStatic: false,
|
|
nodeTransforms: [
|
|
ssrTransformIf,
|
|
ssrTransformFor,
|
|
compilerDom.trackVForSlotScopes,
|
|
compilerDom.transformExpression,
|
|
ssrTransformSlotOutlet,
|
|
ssrInjectFallthroughAttrs,
|
|
ssrInjectCssVars,
|
|
ssrTransformElement,
|
|
ssrTransformComponent,
|
|
compilerDom.trackSlotScopes,
|
|
compilerDom.transformStyle,
|
|
...options.nodeTransforms || []
|
|
// user transforms
|
|
],
|
|
directiveTransforms: {
|
|
// reusing core v-bind
|
|
bind: compilerDom.transformBind,
|
|
on: compilerDom.transformOn,
|
|
// model and show have dedicated SSR handling
|
|
model: ssrTransformModel,
|
|
show: ssrTransformShow,
|
|
// the following are ignored during SSR
|
|
// on: noopDirectiveTransform,
|
|
cloak: compilerDom.noopDirectiveTransform,
|
|
once: compilerDom.noopDirectiveTransform,
|
|
memo: compilerDom.noopDirectiveTransform,
|
|
...options.directiveTransforms || {}
|
|
// user transforms
|
|
}
|
|
});
|
|
ssrCodegenTransform(ast, options);
|
|
return compilerDom.generate(ast, options);
|
|
}
|
|
|
|
exports.compile = compile;
|