2162 lines
		
	
	
		
			60 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			2162 lines
		
	
	
		
			60 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
 | |
| 
 | |
| var PlainValue = require('./PlainValue-ec8e588e.js');
 | |
| 
 | |
| function addCommentBefore(str, indent, comment) {
 | |
|   if (!comment) return str;
 | |
|   const cc = comment.replace(/[\s\S]^/gm, `$&${indent}#`);
 | |
|   return `#${cc}\n${indent}${str}`;
 | |
| }
 | |
| function addComment(str, indent, comment) {
 | |
|   return !comment ? str : comment.indexOf('\n') === -1 ? `${str} #${comment}` : `${str}\n` + comment.replace(/^/gm, `${indent || ''}#`);
 | |
| }
 | |
| 
 | |
| class Node {}
 | |
| 
 | |
| function toJSON(value, arg, ctx) {
 | |
|   if (Array.isArray(value)) return value.map((v, i) => toJSON(v, String(i), ctx));
 | |
| 
 | |
|   if (value && typeof value.toJSON === 'function') {
 | |
|     const anchor = ctx && ctx.anchors && ctx.anchors.get(value);
 | |
|     if (anchor) ctx.onCreate = res => {
 | |
|       anchor.res = res;
 | |
|       delete ctx.onCreate;
 | |
|     };
 | |
|     const res = value.toJSON(arg, ctx);
 | |
|     if (anchor && ctx.onCreate) ctx.onCreate(res);
 | |
|     return res;
 | |
|   }
 | |
| 
 | |
|   if ((!ctx || !ctx.keep) && typeof value === 'bigint') return Number(value);
 | |
|   return value;
 | |
| }
 | |
| 
 | |
| class Scalar extends Node {
 | |
|   constructor(value) {
 | |
|     super();
 | |
|     this.value = value;
 | |
|   }
 | |
| 
 | |
|   toJSON(arg, ctx) {
 | |
|     return ctx && ctx.keep ? this.value : toJSON(this.value, arg, ctx);
 | |
|   }
 | |
| 
 | |
|   toString() {
 | |
|     return String(this.value);
 | |
|   }
 | |
| 
 | |
| }
 | |
| 
 | |
| function collectionFromPath(schema, path, value) {
 | |
|   let v = value;
 | |
| 
 | |
|   for (let i = path.length - 1; i >= 0; --i) {
 | |
|     const k = path[i];
 | |
| 
 | |
|     if (Number.isInteger(k) && k >= 0) {
 | |
|       const a = [];
 | |
|       a[k] = v;
 | |
|       v = a;
 | |
|     } else {
 | |
|       const o = {};
 | |
|       Object.defineProperty(o, k, {
 | |
|         value: v,
 | |
|         writable: true,
 | |
|         enumerable: true,
 | |
|         configurable: true
 | |
|       });
 | |
|       v = o;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return schema.createNode(v, false);
 | |
| } // null, undefined, or an empty non-string iterable (e.g. [])
 | |
| 
 | |
| 
 | |
| const isEmptyPath = path => path == null || typeof path === 'object' && path[Symbol.iterator]().next().done;
 | |
| class Collection extends Node {
 | |
|   constructor(schema) {
 | |
|     super();
 | |
| 
 | |
|     PlainValue._defineProperty(this, "items", []);
 | |
| 
 | |
|     this.schema = schema;
 | |
|   }
 | |
| 
 | |
|   addIn(path, value) {
 | |
|     if (isEmptyPath(path)) this.add(value);else {
 | |
|       const [key, ...rest] = path;
 | |
|       const node = this.get(key, true);
 | |
|       if (node instanceof Collection) node.addIn(rest, value);else if (node === undefined && this.schema) this.set(key, collectionFromPath(this.schema, rest, value));else throw new Error(`Expected YAML collection at ${key}. Remaining path: ${rest}`);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   deleteIn([key, ...rest]) {
 | |
|     if (rest.length === 0) return this.delete(key);
 | |
|     const node = this.get(key, true);
 | |
|     if (node instanceof Collection) return node.deleteIn(rest);else throw new Error(`Expected YAML collection at ${key}. Remaining path: ${rest}`);
 | |
|   }
 | |
| 
 | |
|   getIn([key, ...rest], keepScalar) {
 | |
|     const node = this.get(key, true);
 | |
|     if (rest.length === 0) return !keepScalar && node instanceof Scalar ? node.value : node;else return node instanceof Collection ? node.getIn(rest, keepScalar) : undefined;
 | |
|   }
 | |
| 
 | |
|   hasAllNullValues() {
 | |
|     return this.items.every(node => {
 | |
|       if (!node || node.type !== 'PAIR') return false;
 | |
|       const n = node.value;
 | |
|       return n == null || n instanceof Scalar && n.value == null && !n.commentBefore && !n.comment && !n.tag;
 | |
|     });
 | |
|   }
 | |
| 
 | |
|   hasIn([key, ...rest]) {
 | |
|     if (rest.length === 0) return this.has(key);
 | |
|     const node = this.get(key, true);
 | |
|     return node instanceof Collection ? node.hasIn(rest) : false;
 | |
|   }
 | |
| 
 | |
|   setIn([key, ...rest], value) {
 | |
|     if (rest.length === 0) {
 | |
|       this.set(key, value);
 | |
|     } else {
 | |
|       const node = this.get(key, true);
 | |
|       if (node instanceof Collection) node.setIn(rest, value);else if (node === undefined && this.schema) this.set(key, collectionFromPath(this.schema, rest, value));else throw new Error(`Expected YAML collection at ${key}. Remaining path: ${rest}`);
 | |
|     }
 | |
|   } // overridden in implementations
 | |
| 
 | |
|   /* istanbul ignore next */
 | |
| 
 | |
| 
 | |
|   toJSON() {
 | |
|     return null;
 | |
|   }
 | |
| 
 | |
|   toString(ctx, {
 | |
|     blockItem,
 | |
|     flowChars,
 | |
|     isMap,
 | |
|     itemIndent
 | |
|   }, onComment, onChompKeep) {
 | |
|     const {
 | |
|       indent,
 | |
|       indentStep,
 | |
|       stringify
 | |
|     } = ctx;
 | |
|     const inFlow = this.type === PlainValue.Type.FLOW_MAP || this.type === PlainValue.Type.FLOW_SEQ || ctx.inFlow;
 | |
|     if (inFlow) itemIndent += indentStep;
 | |
|     const allNullValues = isMap && this.hasAllNullValues();
 | |
|     ctx = Object.assign({}, ctx, {
 | |
|       allNullValues,
 | |
|       indent: itemIndent,
 | |
|       inFlow,
 | |
|       type: null
 | |
|     });
 | |
|     let chompKeep = false;
 | |
|     let hasItemWithNewLine = false;
 | |
|     const nodes = this.items.reduce((nodes, item, i) => {
 | |
|       let comment;
 | |
| 
 | |
|       if (item) {
 | |
|         if (!chompKeep && item.spaceBefore) nodes.push({
 | |
|           type: 'comment',
 | |
|           str: ''
 | |
|         });
 | |
|         if (item.commentBefore) item.commentBefore.match(/^.*$/gm).forEach(line => {
 | |
|           nodes.push({
 | |
|             type: 'comment',
 | |
|             str: `#${line}`
 | |
|           });
 | |
|         });
 | |
|         if (item.comment) comment = item.comment;
 | |
|         if (inFlow && (!chompKeep && item.spaceBefore || item.commentBefore || item.comment || item.key && (item.key.commentBefore || item.key.comment) || item.value && (item.value.commentBefore || item.value.comment))) hasItemWithNewLine = true;
 | |
|       }
 | |
| 
 | |
|       chompKeep = false;
 | |
|       let str = stringify(item, ctx, () => comment = null, () => chompKeep = true);
 | |
|       if (inFlow && !hasItemWithNewLine && str.includes('\n')) hasItemWithNewLine = true;
 | |
|       if (inFlow && i < this.items.length - 1) str += ',';
 | |
|       str = addComment(str, itemIndent, comment);
 | |
|       if (chompKeep && (comment || inFlow)) chompKeep = false;
 | |
|       nodes.push({
 | |
|         type: 'item',
 | |
|         str
 | |
|       });
 | |
|       return nodes;
 | |
|     }, []);
 | |
|     let str;
 | |
| 
 | |
|     if (nodes.length === 0) {
 | |
|       str = flowChars.start + flowChars.end;
 | |
|     } else if (inFlow) {
 | |
|       const {
 | |
|         start,
 | |
|         end
 | |
|       } = flowChars;
 | |
|       const strings = nodes.map(n => n.str);
 | |
| 
 | |
|       if (hasItemWithNewLine || strings.reduce((sum, str) => sum + str.length + 2, 2) > Collection.maxFlowStringSingleLineLength) {
 | |
|         str = start;
 | |
| 
 | |
|         for (const s of strings) {
 | |
|           str += s ? `\n${indentStep}${indent}${s}` : '\n';
 | |
|         }
 | |
| 
 | |
|         str += `\n${indent}${end}`;
 | |
|       } else {
 | |
|         str = `${start} ${strings.join(' ')} ${end}`;
 | |
|       }
 | |
|     } else {
 | |
|       const strings = nodes.map(blockItem);
 | |
|       str = strings.shift();
 | |
| 
 | |
|       for (const s of strings) str += s ? `\n${indent}${s}` : '\n';
 | |
|     }
 | |
| 
 | |
|     if (this.comment) {
 | |
|       str += '\n' + this.comment.replace(/^/gm, `${indent}#`);
 | |
|       if (onComment) onComment();
 | |
|     } else if (chompKeep && onChompKeep) onChompKeep();
 | |
| 
 | |
|     return str;
 | |
|   }
 | |
| 
 | |
| }
 | |
| 
 | |
| PlainValue._defineProperty(Collection, "maxFlowStringSingleLineLength", 60);
 | |
| 
 | |
| function asItemIndex(key) {
 | |
|   let idx = key instanceof Scalar ? key.value : key;
 | |
|   if (idx && typeof idx === 'string') idx = Number(idx);
 | |
|   return Number.isInteger(idx) && idx >= 0 ? idx : null;
 | |
| }
 | |
| 
 | |
| class YAMLSeq extends Collection {
 | |
|   add(value) {
 | |
|     this.items.push(value);
 | |
|   }
 | |
| 
 | |
|   delete(key) {
 | |
|     const idx = asItemIndex(key);
 | |
|     if (typeof idx !== 'number') return false;
 | |
|     const del = this.items.splice(idx, 1);
 | |
|     return del.length > 0;
 | |
|   }
 | |
| 
 | |
|   get(key, keepScalar) {
 | |
|     const idx = asItemIndex(key);
 | |
|     if (typeof idx !== 'number') return undefined;
 | |
|     const it = this.items[idx];
 | |
|     return !keepScalar && it instanceof Scalar ? it.value : it;
 | |
|   }
 | |
| 
 | |
|   has(key) {
 | |
|     const idx = asItemIndex(key);
 | |
|     return typeof idx === 'number' && idx < this.items.length;
 | |
|   }
 | |
| 
 | |
|   set(key, value) {
 | |
|     const idx = asItemIndex(key);
 | |
|     if (typeof idx !== 'number') throw new Error(`Expected a valid index, not ${key}.`);
 | |
|     this.items[idx] = value;
 | |
|   }
 | |
| 
 | |
|   toJSON(_, ctx) {
 | |
|     const seq = [];
 | |
|     if (ctx && ctx.onCreate) ctx.onCreate(seq);
 | |
|     let i = 0;
 | |
| 
 | |
|     for (const item of this.items) seq.push(toJSON(item, String(i++), ctx));
 | |
| 
 | |
|     return seq;
 | |
|   }
 | |
| 
 | |
|   toString(ctx, onComment, onChompKeep) {
 | |
|     if (!ctx) return JSON.stringify(this);
 | |
|     return super.toString(ctx, {
 | |
|       blockItem: n => n.type === 'comment' ? n.str : `- ${n.str}`,
 | |
|       flowChars: {
 | |
|         start: '[',
 | |
|         end: ']'
 | |
|       },
 | |
|       isMap: false,
 | |
|       itemIndent: (ctx.indent || '') + '  '
 | |
|     }, onComment, onChompKeep);
 | |
|   }
 | |
| 
 | |
| }
 | |
| 
 | |
| const stringifyKey = (key, jsKey, ctx) => {
 | |
|   if (jsKey === null) return '';
 | |
|   if (typeof jsKey !== 'object') return String(jsKey);
 | |
|   if (key instanceof Node && ctx && ctx.doc) return key.toString({
 | |
|     anchors: Object.create(null),
 | |
|     doc: ctx.doc,
 | |
|     indent: '',
 | |
|     indentStep: ctx.indentStep,
 | |
|     inFlow: true,
 | |
|     inStringifyKey: true,
 | |
|     stringify: ctx.stringify
 | |
|   });
 | |
|   return JSON.stringify(jsKey);
 | |
| };
 | |
| 
 | |
| class Pair extends Node {
 | |
|   constructor(key, value = null) {
 | |
|     super();
 | |
|     this.key = key;
 | |
|     this.value = value;
 | |
|     this.type = Pair.Type.PAIR;
 | |
|   }
 | |
| 
 | |
|   get commentBefore() {
 | |
|     return this.key instanceof Node ? this.key.commentBefore : undefined;
 | |
|   }
 | |
| 
 | |
|   set commentBefore(cb) {
 | |
|     if (this.key == null) this.key = new Scalar(null);
 | |
|     if (this.key instanceof Node) this.key.commentBefore = cb;else {
 | |
|       const msg = 'Pair.commentBefore is an alias for Pair.key.commentBefore. To set it, the key must be a Node.';
 | |
|       throw new Error(msg);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   addToJSMap(ctx, map) {
 | |
|     const key = toJSON(this.key, '', ctx);
 | |
| 
 | |
|     if (map instanceof Map) {
 | |
|       const value = toJSON(this.value, key, ctx);
 | |
|       map.set(key, value);
 | |
|     } else if (map instanceof Set) {
 | |
|       map.add(key);
 | |
|     } else {
 | |
|       const stringKey = stringifyKey(this.key, key, ctx);
 | |
|       const value = toJSON(this.value, stringKey, ctx);
 | |
|       if (stringKey in map) Object.defineProperty(map, stringKey, {
 | |
|         value,
 | |
|         writable: true,
 | |
|         enumerable: true,
 | |
|         configurable: true
 | |
|       });else map[stringKey] = value;
 | |
|     }
 | |
| 
 | |
|     return map;
 | |
|   }
 | |
| 
 | |
|   toJSON(_, ctx) {
 | |
|     const pair = ctx && ctx.mapAsMap ? new Map() : {};
 | |
|     return this.addToJSMap(ctx, pair);
 | |
|   }
 | |
| 
 | |
|   toString(ctx, onComment, onChompKeep) {
 | |
|     if (!ctx || !ctx.doc) return JSON.stringify(this);
 | |
|     const {
 | |
|       indent: indentSize,
 | |
|       indentSeq,
 | |
|       simpleKeys
 | |
|     } = ctx.doc.options;
 | |
|     let {
 | |
|       key,
 | |
|       value
 | |
|     } = this;
 | |
|     let keyComment = key instanceof Node && key.comment;
 | |
| 
 | |
|     if (simpleKeys) {
 | |
|       if (keyComment) {
 | |
|         throw new Error('With simple keys, key nodes cannot have comments');
 | |
|       }
 | |
| 
 | |
|       if (key instanceof Collection) {
 | |
|         const msg = 'With simple keys, collection cannot be used as a key value';
 | |
|         throw new Error(msg);
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     let explicitKey = !simpleKeys && (!key || keyComment || (key instanceof Node ? key instanceof Collection || key.type === PlainValue.Type.BLOCK_FOLDED || key.type === PlainValue.Type.BLOCK_LITERAL : typeof key === 'object'));
 | |
|     const {
 | |
|       doc,
 | |
|       indent,
 | |
|       indentStep,
 | |
|       stringify
 | |
|     } = ctx;
 | |
|     ctx = Object.assign({}, ctx, {
 | |
|       implicitKey: !explicitKey,
 | |
|       indent: indent + indentStep
 | |
|     });
 | |
|     let chompKeep = false;
 | |
|     let str = stringify(key, ctx, () => keyComment = null, () => chompKeep = true);
 | |
|     str = addComment(str, ctx.indent, keyComment);
 | |
| 
 | |
|     if (!explicitKey && str.length > 1024) {
 | |
|       if (simpleKeys) throw new Error('With simple keys, single line scalar must not span more than 1024 characters');
 | |
|       explicitKey = true;
 | |
|     }
 | |
| 
 | |
|     if (ctx.allNullValues && !simpleKeys) {
 | |
|       if (this.comment) {
 | |
|         str = addComment(str, ctx.indent, this.comment);
 | |
|         if (onComment) onComment();
 | |
|       } else if (chompKeep && !keyComment && onChompKeep) onChompKeep();
 | |
| 
 | |
|       return ctx.inFlow && !explicitKey ? str : `? ${str}`;
 | |
|     }
 | |
| 
 | |
|     str = explicitKey ? `? ${str}\n${indent}:` : `${str}:`;
 | |
| 
 | |
|     if (this.comment) {
 | |
|       // expected (but not strictly required) to be a single-line comment
 | |
|       str = addComment(str, ctx.indent, this.comment);
 | |
|       if (onComment) onComment();
 | |
|     }
 | |
| 
 | |
|     let vcb = '';
 | |
|     let valueComment = null;
 | |
| 
 | |
|     if (value instanceof Node) {
 | |
|       if (value.spaceBefore) vcb = '\n';
 | |
| 
 | |
|       if (value.commentBefore) {
 | |
|         const cs = value.commentBefore.replace(/^/gm, `${ctx.indent}#`);
 | |
|         vcb += `\n${cs}`;
 | |
|       }
 | |
| 
 | |
|       valueComment = value.comment;
 | |
|     } else if (value && typeof value === 'object') {
 | |
|       value = doc.schema.createNode(value, true);
 | |
|     }
 | |
| 
 | |
|     ctx.implicitKey = false;
 | |
|     if (!explicitKey && !this.comment && value instanceof Scalar) ctx.indentAtStart = str.length + 1;
 | |
|     chompKeep = false;
 | |
| 
 | |
|     if (!indentSeq && indentSize >= 2 && !ctx.inFlow && !explicitKey && value instanceof YAMLSeq && value.type !== PlainValue.Type.FLOW_SEQ && !value.tag && !doc.anchors.getName(value)) {
 | |
|       // If indentSeq === false, consider '- ' as part of indentation where possible
 | |
|       ctx.indent = ctx.indent.substr(2);
 | |
|     }
 | |
| 
 | |
|     const valueStr = stringify(value, ctx, () => valueComment = null, () => chompKeep = true);
 | |
|     let ws = ' ';
 | |
| 
 | |
|     if (vcb || this.comment) {
 | |
|       ws = `${vcb}\n${ctx.indent}`;
 | |
|     } else if (!explicitKey && value instanceof Collection) {
 | |
|       const flow = valueStr[0] === '[' || valueStr[0] === '{';
 | |
|       if (!flow || valueStr.includes('\n')) ws = `\n${ctx.indent}`;
 | |
|     } else if (valueStr[0] === '\n') ws = '';
 | |
| 
 | |
|     if (chompKeep && !valueComment && onChompKeep) onChompKeep();
 | |
|     return addComment(str + ws + valueStr, ctx.indent, valueComment);
 | |
|   }
 | |
| 
 | |
| }
 | |
| 
 | |
| PlainValue._defineProperty(Pair, "Type", {
 | |
|   PAIR: 'PAIR',
 | |
|   MERGE_PAIR: 'MERGE_PAIR'
 | |
| });
 | |
| 
 | |
| const getAliasCount = (node, anchors) => {
 | |
|   if (node instanceof Alias) {
 | |
|     const anchor = anchors.get(node.source);
 | |
|     return anchor.count * anchor.aliasCount;
 | |
|   } else if (node instanceof Collection) {
 | |
|     let count = 0;
 | |
| 
 | |
|     for (const item of node.items) {
 | |
|       const c = getAliasCount(item, anchors);
 | |
|       if (c > count) count = c;
 | |
|     }
 | |
| 
 | |
|     return count;
 | |
|   } else if (node instanceof Pair) {
 | |
|     const kc = getAliasCount(node.key, anchors);
 | |
|     const vc = getAliasCount(node.value, anchors);
 | |
|     return Math.max(kc, vc);
 | |
|   }
 | |
| 
 | |
|   return 1;
 | |
| };
 | |
| 
 | |
| class Alias extends Node {
 | |
|   static stringify({
 | |
|     range,
 | |
|     source
 | |
|   }, {
 | |
|     anchors,
 | |
|     doc,
 | |
|     implicitKey,
 | |
|     inStringifyKey
 | |
|   }) {
 | |
|     let anchor = Object.keys(anchors).find(a => anchors[a] === source);
 | |
|     if (!anchor && inStringifyKey) anchor = doc.anchors.getName(source) || doc.anchors.newName();
 | |
|     if (anchor) return `*${anchor}${implicitKey ? ' ' : ''}`;
 | |
|     const msg = doc.anchors.getName(source) ? 'Alias node must be after source node' : 'Source node not found for alias node';
 | |
|     throw new Error(`${msg} [${range}]`);
 | |
|   }
 | |
| 
 | |
|   constructor(source) {
 | |
|     super();
 | |
|     this.source = source;
 | |
|     this.type = PlainValue.Type.ALIAS;
 | |
|   }
 | |
| 
 | |
|   set tag(t) {
 | |
|     throw new Error('Alias nodes cannot have tags');
 | |
|   }
 | |
| 
 | |
|   toJSON(arg, ctx) {
 | |
|     if (!ctx) return toJSON(this.source, arg, ctx);
 | |
|     const {
 | |
|       anchors,
 | |
|       maxAliasCount
 | |
|     } = ctx;
 | |
|     const anchor = anchors.get(this.source);
 | |
|     /* istanbul ignore if */
 | |
| 
 | |
|     if (!anchor || anchor.res === undefined) {
 | |
|       const msg = 'This should not happen: Alias anchor was not resolved?';
 | |
|       if (this.cstNode) throw new PlainValue.YAMLReferenceError(this.cstNode, msg);else throw new ReferenceError(msg);
 | |
|     }
 | |
| 
 | |
|     if (maxAliasCount >= 0) {
 | |
|       anchor.count += 1;
 | |
|       if (anchor.aliasCount === 0) anchor.aliasCount = getAliasCount(this.source, anchors);
 | |
| 
 | |
|       if (anchor.count * anchor.aliasCount > maxAliasCount) {
 | |
|         const msg = 'Excessive alias count indicates a resource exhaustion attack';
 | |
|         if (this.cstNode) throw new PlainValue.YAMLReferenceError(this.cstNode, msg);else throw new ReferenceError(msg);
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     return anchor.res;
 | |
|   } // Only called when stringifying an alias mapping key while constructing
 | |
|   // Object output.
 | |
| 
 | |
| 
 | |
|   toString(ctx) {
 | |
|     return Alias.stringify(this, ctx);
 | |
|   }
 | |
| 
 | |
| }
 | |
| 
 | |
| PlainValue._defineProperty(Alias, "default", true);
 | |
| 
 | |
| function findPair(items, key) {
 | |
|   const k = key instanceof Scalar ? key.value : key;
 | |
| 
 | |
|   for (const it of items) {
 | |
|     if (it instanceof Pair) {
 | |
|       if (it.key === key || it.key === k) return it;
 | |
|       if (it.key && it.key.value === k) return it;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return undefined;
 | |
| }
 | |
| class YAMLMap extends Collection {
 | |
|   add(pair, overwrite) {
 | |
|     if (!pair) pair = new Pair(pair);else if (!(pair instanceof Pair)) pair = new Pair(pair.key || pair, pair.value);
 | |
|     const prev = findPair(this.items, pair.key);
 | |
|     const sortEntries = this.schema && this.schema.sortMapEntries;
 | |
| 
 | |
|     if (prev) {
 | |
|       if (overwrite) prev.value = pair.value;else throw new Error(`Key ${pair.key} already set`);
 | |
|     } else if (sortEntries) {
 | |
|       const i = this.items.findIndex(item => sortEntries(pair, item) < 0);
 | |
|       if (i === -1) this.items.push(pair);else this.items.splice(i, 0, pair);
 | |
|     } else {
 | |
|       this.items.push(pair);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   delete(key) {
 | |
|     const it = findPair(this.items, key);
 | |
|     if (!it) return false;
 | |
|     const del = this.items.splice(this.items.indexOf(it), 1);
 | |
|     return del.length > 0;
 | |
|   }
 | |
| 
 | |
|   get(key, keepScalar) {
 | |
|     const it = findPair(this.items, key);
 | |
|     const node = it && it.value;
 | |
|     return !keepScalar && node instanceof Scalar ? node.value : node;
 | |
|   }
 | |
| 
 | |
|   has(key) {
 | |
|     return !!findPair(this.items, key);
 | |
|   }
 | |
| 
 | |
|   set(key, value) {
 | |
|     this.add(new Pair(key, value), true);
 | |
|   }
 | |
|   /**
 | |
|    * @param {*} arg ignored
 | |
|    * @param {*} ctx Conversion context, originally set in Document#toJSON()
 | |
|    * @param {Class} Type If set, forces the returned collection type
 | |
|    * @returns {*} Instance of Type, Map, or Object
 | |
|    */
 | |
| 
 | |
| 
 | |
|   toJSON(_, ctx, Type) {
 | |
|     const map = Type ? new Type() : ctx && ctx.mapAsMap ? new Map() : {};
 | |
|     if (ctx && ctx.onCreate) ctx.onCreate(map);
 | |
| 
 | |
|     for (const item of this.items) item.addToJSMap(ctx, map);
 | |
| 
 | |
|     return map;
 | |
|   }
 | |
| 
 | |
|   toString(ctx, onComment, onChompKeep) {
 | |
|     if (!ctx) return JSON.stringify(this);
 | |
| 
 | |
|     for (const item of this.items) {
 | |
|       if (!(item instanceof Pair)) throw new Error(`Map items must all be pairs; found ${JSON.stringify(item)} instead`);
 | |
|     }
 | |
| 
 | |
|     return super.toString(ctx, {
 | |
|       blockItem: n => n.str,
 | |
|       flowChars: {
 | |
|         start: '{',
 | |
|         end: '}'
 | |
|       },
 | |
|       isMap: true,
 | |
|       itemIndent: ctx.indent || ''
 | |
|     }, onComment, onChompKeep);
 | |
|   }
 | |
| 
 | |
| }
 | |
| 
 | |
| const MERGE_KEY = '<<';
 | |
| class Merge extends Pair {
 | |
|   constructor(pair) {
 | |
|     if (pair instanceof Pair) {
 | |
|       let seq = pair.value;
 | |
| 
 | |
|       if (!(seq instanceof YAMLSeq)) {
 | |
|         seq = new YAMLSeq();
 | |
|         seq.items.push(pair.value);
 | |
|         seq.range = pair.value.range;
 | |
|       }
 | |
| 
 | |
|       super(pair.key, seq);
 | |
|       this.range = pair.range;
 | |
|     } else {
 | |
|       super(new Scalar(MERGE_KEY), new YAMLSeq());
 | |
|     }
 | |
| 
 | |
|     this.type = Pair.Type.MERGE_PAIR;
 | |
|   } // If the value associated with a merge key is a single mapping node, each of
 | |
|   // its key/value pairs is inserted into the current mapping, unless the key
 | |
|   // already exists in it. If the value associated with the merge key is a
 | |
|   // sequence, then this sequence is expected to contain mapping nodes and each
 | |
|   // of these nodes is merged in turn according to its order in the sequence.
 | |
|   // Keys in mapping nodes earlier in the sequence override keys specified in
 | |
|   // later mapping nodes. -- http://yaml.org/type/merge.html
 | |
| 
 | |
| 
 | |
|   addToJSMap(ctx, map) {
 | |
|     for (const {
 | |
|       source
 | |
|     } of this.value.items) {
 | |
|       if (!(source instanceof YAMLMap)) throw new Error('Merge sources must be maps');
 | |
|       const srcMap = source.toJSON(null, ctx, Map);
 | |
| 
 | |
|       for (const [key, value] of srcMap) {
 | |
|         if (map instanceof Map) {
 | |
|           if (!map.has(key)) map.set(key, value);
 | |
|         } else if (map instanceof Set) {
 | |
|           map.add(key);
 | |
|         } else if (!Object.prototype.hasOwnProperty.call(map, key)) {
 | |
|           Object.defineProperty(map, key, {
 | |
|             value,
 | |
|             writable: true,
 | |
|             enumerable: true,
 | |
|             configurable: true
 | |
|           });
 | |
|         }
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     return map;
 | |
|   }
 | |
| 
 | |
|   toString(ctx, onComment) {
 | |
|     const seq = this.value;
 | |
|     if (seq.items.length > 1) return super.toString(ctx, onComment);
 | |
|     this.value = seq.items[0];
 | |
|     const str = super.toString(ctx, onComment);
 | |
|     this.value = seq;
 | |
|     return str;
 | |
|   }
 | |
| 
 | |
| }
 | |
| 
 | |
| const binaryOptions = {
 | |
|   defaultType: PlainValue.Type.BLOCK_LITERAL,
 | |
|   lineWidth: 76
 | |
| };
 | |
| const boolOptions = {
 | |
|   trueStr: 'true',
 | |
|   falseStr: 'false'
 | |
| };
 | |
| const intOptions = {
 | |
|   asBigInt: false
 | |
| };
 | |
| const nullOptions = {
 | |
|   nullStr: 'null'
 | |
| };
 | |
| const strOptions = {
 | |
|   defaultType: PlainValue.Type.PLAIN,
 | |
|   doubleQuoted: {
 | |
|     jsonEncoding: false,
 | |
|     minMultiLineLength: 40
 | |
|   },
 | |
|   fold: {
 | |
|     lineWidth: 80,
 | |
|     minContentWidth: 20
 | |
|   }
 | |
| };
 | |
| 
 | |
| function resolveScalar(str, tags, scalarFallback) {
 | |
|   for (const {
 | |
|     format,
 | |
|     test,
 | |
|     resolve
 | |
|   } of tags) {
 | |
|     if (test) {
 | |
|       const match = str.match(test);
 | |
| 
 | |
|       if (match) {
 | |
|         let res = resolve.apply(null, match);
 | |
|         if (!(res instanceof Scalar)) res = new Scalar(res);
 | |
|         if (format) res.format = format;
 | |
|         return res;
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (scalarFallback) str = scalarFallback(str);
 | |
|   return new Scalar(str);
 | |
| }
 | |
| 
 | |
| const FOLD_FLOW = 'flow';
 | |
| const FOLD_BLOCK = 'block';
 | |
| const FOLD_QUOTED = 'quoted'; // presumes i+1 is at the start of a line
 | |
| // returns index of last newline in more-indented block
 | |
| 
 | |
| const consumeMoreIndentedLines = (text, i) => {
 | |
|   let ch = text[i + 1];
 | |
| 
 | |
|   while (ch === ' ' || ch === '\t') {
 | |
|     do {
 | |
|       ch = text[i += 1];
 | |
|     } while (ch && ch !== '\n');
 | |
| 
 | |
|     ch = text[i + 1];
 | |
|   }
 | |
| 
 | |
|   return i;
 | |
| };
 | |
| /**
 | |
|  * Tries to keep input at up to `lineWidth` characters, splitting only on spaces
 | |
|  * not followed by newlines or spaces unless `mode` is `'quoted'`. Lines are
 | |
|  * terminated with `\n` and started with `indent`.
 | |
|  *
 | |
|  * @param {string} text
 | |
|  * @param {string} indent
 | |
|  * @param {string} [mode='flow'] `'block'` prevents more-indented lines
 | |
|  *   from being folded; `'quoted'` allows for `\` escapes, including escaped
 | |
|  *   newlines
 | |
|  * @param {Object} options
 | |
|  * @param {number} [options.indentAtStart] Accounts for leading contents on
 | |
|  *   the first line, defaulting to `indent.length`
 | |
|  * @param {number} [options.lineWidth=80]
 | |
|  * @param {number} [options.minContentWidth=20] Allow highly indented lines to
 | |
|  *   stretch the line width or indent content from the start
 | |
|  * @param {function} options.onFold Called once if the text is folded
 | |
|  * @param {function} options.onFold Called once if any line of text exceeds
 | |
|  *   lineWidth characters
 | |
|  */
 | |
| 
 | |
| 
 | |
| function foldFlowLines(text, indent, mode, {
 | |
|   indentAtStart,
 | |
|   lineWidth = 80,
 | |
|   minContentWidth = 20,
 | |
|   onFold,
 | |
|   onOverflow
 | |
| }) {
 | |
|   if (!lineWidth || lineWidth < 0) return text;
 | |
|   const endStep = Math.max(1 + minContentWidth, 1 + lineWidth - indent.length);
 | |
|   if (text.length <= endStep) return text;
 | |
|   const folds = [];
 | |
|   const escapedFolds = {};
 | |
|   let end = lineWidth - indent.length;
 | |
| 
 | |
|   if (typeof indentAtStart === 'number') {
 | |
|     if (indentAtStart > lineWidth - Math.max(2, minContentWidth)) folds.push(0);else end = lineWidth - indentAtStart;
 | |
|   }
 | |
| 
 | |
|   let split = undefined;
 | |
|   let prev = undefined;
 | |
|   let overflow = false;
 | |
|   let i = -1;
 | |
|   let escStart = -1;
 | |
|   let escEnd = -1;
 | |
| 
 | |
|   if (mode === FOLD_BLOCK) {
 | |
|     i = consumeMoreIndentedLines(text, i);
 | |
|     if (i !== -1) end = i + endStep;
 | |
|   }
 | |
| 
 | |
|   for (let ch; ch = text[i += 1];) {
 | |
|     if (mode === FOLD_QUOTED && ch === '\\') {
 | |
|       escStart = i;
 | |
| 
 | |
|       switch (text[i + 1]) {
 | |
|         case 'x':
 | |
|           i += 3;
 | |
|           break;
 | |
| 
 | |
|         case 'u':
 | |
|           i += 5;
 | |
|           break;
 | |
| 
 | |
|         case 'U':
 | |
|           i += 9;
 | |
|           break;
 | |
| 
 | |
|         default:
 | |
|           i += 1;
 | |
|       }
 | |
| 
 | |
|       escEnd = i;
 | |
|     }
 | |
| 
 | |
|     if (ch === '\n') {
 | |
|       if (mode === FOLD_BLOCK) i = consumeMoreIndentedLines(text, i);
 | |
|       end = i + endStep;
 | |
|       split = undefined;
 | |
|     } else {
 | |
|       if (ch === ' ' && prev && prev !== ' ' && prev !== '\n' && prev !== '\t') {
 | |
|         // space surrounded by non-space can be replaced with newline + indent
 | |
|         const next = text[i + 1];
 | |
|         if (next && next !== ' ' && next !== '\n' && next !== '\t') split = i;
 | |
|       }
 | |
| 
 | |
|       if (i >= end) {
 | |
|         if (split) {
 | |
|           folds.push(split);
 | |
|           end = split + endStep;
 | |
|           split = undefined;
 | |
|         } else if (mode === FOLD_QUOTED) {
 | |
|           // white-space collected at end may stretch past lineWidth
 | |
|           while (prev === ' ' || prev === '\t') {
 | |
|             prev = ch;
 | |
|             ch = text[i += 1];
 | |
|             overflow = true;
 | |
|           } // Account for newline escape, but don't break preceding escape
 | |
| 
 | |
| 
 | |
|           const j = i > escEnd + 1 ? i - 2 : escStart - 1; // Bail out if lineWidth & minContentWidth are shorter than an escape string
 | |
| 
 | |
|           if (escapedFolds[j]) return text;
 | |
|           folds.push(j);
 | |
|           escapedFolds[j] = true;
 | |
|           end = j + endStep;
 | |
|           split = undefined;
 | |
|         } else {
 | |
|           overflow = true;
 | |
|         }
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     prev = ch;
 | |
|   }
 | |
| 
 | |
|   if (overflow && onOverflow) onOverflow();
 | |
|   if (folds.length === 0) return text;
 | |
|   if (onFold) onFold();
 | |
|   let res = text.slice(0, folds[0]);
 | |
| 
 | |
|   for (let i = 0; i < folds.length; ++i) {
 | |
|     const fold = folds[i];
 | |
|     const end = folds[i + 1] || text.length;
 | |
|     if (fold === 0) res = `\n${indent}${text.slice(0, end)}`;else {
 | |
|       if (mode === FOLD_QUOTED && escapedFolds[fold]) res += `${text[fold]}\\`;
 | |
|       res += `\n${indent}${text.slice(fold + 1, end)}`;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| const getFoldOptions = ({
 | |
|   indentAtStart
 | |
| }) => indentAtStart ? Object.assign({
 | |
|   indentAtStart
 | |
| }, strOptions.fold) : strOptions.fold; // Also checks for lines starting with %, as parsing the output as YAML 1.1 will
 | |
| // presume that's starting a new document.
 | |
| 
 | |
| 
 | |
| const containsDocumentMarker = str => /^(%|---|\.\.\.)/m.test(str);
 | |
| 
 | |
| function lineLengthOverLimit(str, lineWidth, indentLength) {
 | |
|   if (!lineWidth || lineWidth < 0) return false;
 | |
|   const limit = lineWidth - indentLength;
 | |
|   const strLen = str.length;
 | |
|   if (strLen <= limit) return false;
 | |
| 
 | |
|   for (let i = 0, start = 0; i < strLen; ++i) {
 | |
|     if (str[i] === '\n') {
 | |
|       if (i - start > limit) return true;
 | |
|       start = i + 1;
 | |
|       if (strLen - start <= limit) return false;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| function doubleQuotedString(value, ctx) {
 | |
|   const {
 | |
|     implicitKey
 | |
|   } = ctx;
 | |
|   const {
 | |
|     jsonEncoding,
 | |
|     minMultiLineLength
 | |
|   } = strOptions.doubleQuoted;
 | |
|   const json = JSON.stringify(value);
 | |
|   if (jsonEncoding) return json;
 | |
|   const indent = ctx.indent || (containsDocumentMarker(value) ? '  ' : '');
 | |
|   let str = '';
 | |
|   let start = 0;
 | |
| 
 | |
|   for (let i = 0, ch = json[i]; ch; ch = json[++i]) {
 | |
|     if (ch === ' ' && json[i + 1] === '\\' && json[i + 2] === 'n') {
 | |
|       // space before newline needs to be escaped to not be folded
 | |
|       str += json.slice(start, i) + '\\ ';
 | |
|       i += 1;
 | |
|       start = i;
 | |
|       ch = '\\';
 | |
|     }
 | |
| 
 | |
|     if (ch === '\\') switch (json[i + 1]) {
 | |
|       case 'u':
 | |
|         {
 | |
|           str += json.slice(start, i);
 | |
|           const code = json.substr(i + 2, 4);
 | |
| 
 | |
|           switch (code) {
 | |
|             case '0000':
 | |
|               str += '\\0';
 | |
|               break;
 | |
| 
 | |
|             case '0007':
 | |
|               str += '\\a';
 | |
|               break;
 | |
| 
 | |
|             case '000b':
 | |
|               str += '\\v';
 | |
|               break;
 | |
| 
 | |
|             case '001b':
 | |
|               str += '\\e';
 | |
|               break;
 | |
| 
 | |
|             case '0085':
 | |
|               str += '\\N';
 | |
|               break;
 | |
| 
 | |
|             case '00a0':
 | |
|               str += '\\_';
 | |
|               break;
 | |
| 
 | |
|             case '2028':
 | |
|               str += '\\L';
 | |
|               break;
 | |
| 
 | |
|             case '2029':
 | |
|               str += '\\P';
 | |
|               break;
 | |
| 
 | |
|             default:
 | |
|               if (code.substr(0, 2) === '00') str += '\\x' + code.substr(2);else str += json.substr(i, 6);
 | |
|           }
 | |
| 
 | |
|           i += 5;
 | |
|           start = i + 1;
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|       case 'n':
 | |
|         if (implicitKey || json[i + 2] === '"' || json.length < minMultiLineLength) {
 | |
|           i += 1;
 | |
|         } else {
 | |
|           // folding will eat first newline
 | |
|           str += json.slice(start, i) + '\n\n';
 | |
| 
 | |
|           while (json[i + 2] === '\\' && json[i + 3] === 'n' && json[i + 4] !== '"') {
 | |
|             str += '\n';
 | |
|             i += 2;
 | |
|           }
 | |
| 
 | |
|           str += indent; // space after newline needs to be escaped to not be folded
 | |
| 
 | |
|           if (json[i + 2] === ' ') str += '\\';
 | |
|           i += 1;
 | |
|           start = i + 1;
 | |
|         }
 | |
| 
 | |
|         break;
 | |
| 
 | |
|       default:
 | |
|         i += 1;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   str = start ? str + json.slice(start) : json;
 | |
|   return implicitKey ? str : foldFlowLines(str, indent, FOLD_QUOTED, getFoldOptions(ctx));
 | |
| }
 | |
| 
 | |
| function singleQuotedString(value, ctx) {
 | |
|   if (ctx.implicitKey) {
 | |
|     if (/\n/.test(value)) return doubleQuotedString(value, ctx);
 | |
|   } else {
 | |
|     // single quoted string can't have leading or trailing whitespace around newline
 | |
|     if (/[ \t]\n|\n[ \t]/.test(value)) return doubleQuotedString(value, ctx);
 | |
|   }
 | |
| 
 | |
|   const indent = ctx.indent || (containsDocumentMarker(value) ? '  ' : '');
 | |
|   const res = "'" + value.replace(/'/g, "''").replace(/\n+/g, `$&\n${indent}`) + "'";
 | |
|   return ctx.implicitKey ? res : foldFlowLines(res, indent, FOLD_FLOW, getFoldOptions(ctx));
 | |
| }
 | |
| 
 | |
| function blockString({
 | |
|   comment,
 | |
|   type,
 | |
|   value
 | |
| }, ctx, onComment, onChompKeep) {
 | |
|   // 1. Block can't end in whitespace unless the last line is non-empty.
 | |
|   // 2. Strings consisting of only whitespace are best rendered explicitly.
 | |
|   if (/\n[\t ]+$/.test(value) || /^\s*$/.test(value)) {
 | |
|     return doubleQuotedString(value, ctx);
 | |
|   }
 | |
| 
 | |
|   const indent = ctx.indent || (ctx.forceBlockIndent || containsDocumentMarker(value) ? '  ' : '');
 | |
|   const indentSize = indent ? '2' : '1'; // root is at -1
 | |
| 
 | |
|   const literal = type === PlainValue.Type.BLOCK_FOLDED ? false : type === PlainValue.Type.BLOCK_LITERAL ? true : !lineLengthOverLimit(value, strOptions.fold.lineWidth, indent.length);
 | |
|   let header = literal ? '|' : '>';
 | |
|   if (!value) return header + '\n';
 | |
|   let wsStart = '';
 | |
|   let wsEnd = '';
 | |
|   value = value.replace(/[\n\t ]*$/, ws => {
 | |
|     const n = ws.indexOf('\n');
 | |
| 
 | |
|     if (n === -1) {
 | |
|       header += '-'; // strip
 | |
|     } else if (value === ws || n !== ws.length - 1) {
 | |
|       header += '+'; // keep
 | |
| 
 | |
|       if (onChompKeep) onChompKeep();
 | |
|     }
 | |
| 
 | |
|     wsEnd = ws.replace(/\n$/, '');
 | |
|     return '';
 | |
|   }).replace(/^[\n ]*/, ws => {
 | |
|     if (ws.indexOf(' ') !== -1) header += indentSize;
 | |
|     const m = ws.match(/ +$/);
 | |
| 
 | |
|     if (m) {
 | |
|       wsStart = ws.slice(0, -m[0].length);
 | |
|       return m[0];
 | |
|     } else {
 | |
|       wsStart = ws;
 | |
|       return '';
 | |
|     }
 | |
|   });
 | |
|   if (wsEnd) wsEnd = wsEnd.replace(/\n+(?!\n|$)/g, `$&${indent}`);
 | |
|   if (wsStart) wsStart = wsStart.replace(/\n+/g, `$&${indent}`);
 | |
| 
 | |
|   if (comment) {
 | |
|     header += ' #' + comment.replace(/ ?[\r\n]+/g, ' ');
 | |
|     if (onComment) onComment();
 | |
|   }
 | |
| 
 | |
|   if (!value) return `${header}${indentSize}\n${indent}${wsEnd}`;
 | |
| 
 | |
|   if (literal) {
 | |
|     value = value.replace(/\n+/g, `$&${indent}`);
 | |
|     return `${header}\n${indent}${wsStart}${value}${wsEnd}`;
 | |
|   }
 | |
| 
 | |
|   value = value.replace(/\n+/g, '\n$&').replace(/(?:^|\n)([\t ].*)(?:([\n\t ]*)\n(?![\n\t ]))?/g, '$1$2') // more-indented lines aren't folded
 | |
|   //         ^ ind.line  ^ empty     ^ capture next empty lines only at end of indent
 | |
|   .replace(/\n+/g, `$&${indent}`);
 | |
|   const body = foldFlowLines(`${wsStart}${value}${wsEnd}`, indent, FOLD_BLOCK, strOptions.fold);
 | |
|   return `${header}\n${indent}${body}`;
 | |
| }
 | |
| 
 | |
| function plainString(item, ctx, onComment, onChompKeep) {
 | |
|   const {
 | |
|     comment,
 | |
|     type,
 | |
|     value
 | |
|   } = item;
 | |
|   const {
 | |
|     actualString,
 | |
|     implicitKey,
 | |
|     indent,
 | |
|     inFlow
 | |
|   } = ctx;
 | |
| 
 | |
|   if (implicitKey && /[\n[\]{},]/.test(value) || inFlow && /[[\]{},]/.test(value)) {
 | |
|     return doubleQuotedString(value, ctx);
 | |
|   }
 | |
| 
 | |
|   if (!value || /^[\n\t ,[\]{}#&*!|>'"%@`]|^[?-]$|^[?-][ \t]|[\n:][ \t]|[ \t]\n|[\n\t ]#|[\n\t :]$/.test(value)) {
 | |
|     // not allowed:
 | |
|     // - empty string, '-' or '?'
 | |
|     // - start with an indicator character (except [?:-]) or /[?-] /
 | |
|     // - '\n ', ': ' or ' \n' anywhere
 | |
|     // - '#' not preceded by a non-space char
 | |
|     // - end with ' ' or ':'
 | |
|     return implicitKey || inFlow || value.indexOf('\n') === -1 ? value.indexOf('"') !== -1 && value.indexOf("'") === -1 ? singleQuotedString(value, ctx) : doubleQuotedString(value, ctx) : blockString(item, ctx, onComment, onChompKeep);
 | |
|   }
 | |
| 
 | |
|   if (!implicitKey && !inFlow && type !== PlainValue.Type.PLAIN && value.indexOf('\n') !== -1) {
 | |
|     // Where allowed & type not set explicitly, prefer block style for multiline strings
 | |
|     return blockString(item, ctx, onComment, onChompKeep);
 | |
|   }
 | |
| 
 | |
|   if (indent === '' && containsDocumentMarker(value)) {
 | |
|     ctx.forceBlockIndent = true;
 | |
|     return blockString(item, ctx, onComment, onChompKeep);
 | |
|   }
 | |
| 
 | |
|   const str = value.replace(/\n+/g, `$&\n${indent}`); // Verify that output will be parsed as a string, as e.g. plain numbers and
 | |
|   // booleans get parsed with those types in v1.2 (e.g. '42', 'true' & '0.9e-3'),
 | |
|   // and others in v1.1.
 | |
| 
 | |
|   if (actualString) {
 | |
|     const {
 | |
|       tags
 | |
|     } = ctx.doc.schema;
 | |
|     const resolved = resolveScalar(str, tags, tags.scalarFallback).value;
 | |
|     if (typeof resolved !== 'string') return doubleQuotedString(value, ctx);
 | |
|   }
 | |
| 
 | |
|   const body = implicitKey ? str : foldFlowLines(str, indent, FOLD_FLOW, getFoldOptions(ctx));
 | |
| 
 | |
|   if (comment && !inFlow && (body.indexOf('\n') !== -1 || comment.indexOf('\n') !== -1)) {
 | |
|     if (onComment) onComment();
 | |
|     return addCommentBefore(body, indent, comment);
 | |
|   }
 | |
| 
 | |
|   return body;
 | |
| }
 | |
| 
 | |
| function stringifyString(item, ctx, onComment, onChompKeep) {
 | |
|   const {
 | |
|     defaultType
 | |
|   } = strOptions;
 | |
|   const {
 | |
|     implicitKey,
 | |
|     inFlow
 | |
|   } = ctx;
 | |
|   let {
 | |
|     type,
 | |
|     value
 | |
|   } = item;
 | |
| 
 | |
|   if (typeof value !== 'string') {
 | |
|     value = String(value);
 | |
|     item = Object.assign({}, item, {
 | |
|       value
 | |
|     });
 | |
|   }
 | |
| 
 | |
|   const _stringify = _type => {
 | |
|     switch (_type) {
 | |
|       case PlainValue.Type.BLOCK_FOLDED:
 | |
|       case PlainValue.Type.BLOCK_LITERAL:
 | |
|         return blockString(item, ctx, onComment, onChompKeep);
 | |
| 
 | |
|       case PlainValue.Type.QUOTE_DOUBLE:
 | |
|         return doubleQuotedString(value, ctx);
 | |
| 
 | |
|       case PlainValue.Type.QUOTE_SINGLE:
 | |
|         return singleQuotedString(value, ctx);
 | |
| 
 | |
|       case PlainValue.Type.PLAIN:
 | |
|         return plainString(item, ctx, onComment, onChompKeep);
 | |
| 
 | |
|       default:
 | |
|         return null;
 | |
|     }
 | |
|   };
 | |
| 
 | |
|   if (type !== PlainValue.Type.QUOTE_DOUBLE && /[\x00-\x08\x0b-\x1f\x7f-\x9f]/.test(value)) {
 | |
|     // force double quotes on control characters
 | |
|     type = PlainValue.Type.QUOTE_DOUBLE;
 | |
|   } else if ((implicitKey || inFlow) && (type === PlainValue.Type.BLOCK_FOLDED || type === PlainValue.Type.BLOCK_LITERAL)) {
 | |
|     // should not happen; blocks are not valid inside flow containers
 | |
|     type = PlainValue.Type.QUOTE_DOUBLE;
 | |
|   }
 | |
| 
 | |
|   let res = _stringify(type);
 | |
| 
 | |
|   if (res === null) {
 | |
|     res = _stringify(defaultType);
 | |
|     if (res === null) throw new Error(`Unsupported default string type ${defaultType}`);
 | |
|   }
 | |
| 
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| function stringifyNumber({
 | |
|   format,
 | |
|   minFractionDigits,
 | |
|   tag,
 | |
|   value
 | |
| }) {
 | |
|   if (typeof value === 'bigint') return String(value);
 | |
|   if (!isFinite(value)) return isNaN(value) ? '.nan' : value < 0 ? '-.inf' : '.inf';
 | |
|   let n = JSON.stringify(value);
 | |
| 
 | |
|   if (!format && minFractionDigits && (!tag || tag === 'tag:yaml.org,2002:float') && /^\d/.test(n)) {
 | |
|     let i = n.indexOf('.');
 | |
| 
 | |
|     if (i < 0) {
 | |
|       i = n.length;
 | |
|       n += '.';
 | |
|     }
 | |
| 
 | |
|     let d = minFractionDigits - (n.length - i - 1);
 | |
| 
 | |
|     while (d-- > 0) n += '0';
 | |
|   }
 | |
| 
 | |
|   return n;
 | |
| }
 | |
| 
 | |
| function checkFlowCollectionEnd(errors, cst) {
 | |
|   let char, name;
 | |
| 
 | |
|   switch (cst.type) {
 | |
|     case PlainValue.Type.FLOW_MAP:
 | |
|       char = '}';
 | |
|       name = 'flow map';
 | |
|       break;
 | |
| 
 | |
|     case PlainValue.Type.FLOW_SEQ:
 | |
|       char = ']';
 | |
|       name = 'flow sequence';
 | |
|       break;
 | |
| 
 | |
|     default:
 | |
|       errors.push(new PlainValue.YAMLSemanticError(cst, 'Not a flow collection!?'));
 | |
|       return;
 | |
|   }
 | |
| 
 | |
|   let lastItem;
 | |
| 
 | |
|   for (let i = cst.items.length - 1; i >= 0; --i) {
 | |
|     const item = cst.items[i];
 | |
| 
 | |
|     if (!item || item.type !== PlainValue.Type.COMMENT) {
 | |
|       lastItem = item;
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (lastItem && lastItem.char !== char) {
 | |
|     const msg = `Expected ${name} to end with ${char}`;
 | |
|     let err;
 | |
| 
 | |
|     if (typeof lastItem.offset === 'number') {
 | |
|       err = new PlainValue.YAMLSemanticError(cst, msg);
 | |
|       err.offset = lastItem.offset + 1;
 | |
|     } else {
 | |
|       err = new PlainValue.YAMLSemanticError(lastItem, msg);
 | |
|       if (lastItem.range && lastItem.range.end) err.offset = lastItem.range.end - lastItem.range.start;
 | |
|     }
 | |
| 
 | |
|     errors.push(err);
 | |
|   }
 | |
| }
 | |
| function checkFlowCommentSpace(errors, comment) {
 | |
|   const prev = comment.context.src[comment.range.start - 1];
 | |
| 
 | |
|   if (prev !== '\n' && prev !== '\t' && prev !== ' ') {
 | |
|     const msg = 'Comments must be separated from other tokens by white space characters';
 | |
|     errors.push(new PlainValue.YAMLSemanticError(comment, msg));
 | |
|   }
 | |
| }
 | |
| function getLongKeyError(source, key) {
 | |
|   const sk = String(key);
 | |
|   const k = sk.substr(0, 8) + '...' + sk.substr(-8);
 | |
|   return new PlainValue.YAMLSemanticError(source, `The "${k}" key is too long`);
 | |
| }
 | |
| function resolveComments(collection, comments) {
 | |
|   for (const {
 | |
|     afterKey,
 | |
|     before,
 | |
|     comment
 | |
|   } of comments) {
 | |
|     let item = collection.items[before];
 | |
| 
 | |
|     if (!item) {
 | |
|       if (comment !== undefined) {
 | |
|         if (collection.comment) collection.comment += '\n' + comment;else collection.comment = comment;
 | |
|       }
 | |
|     } else {
 | |
|       if (afterKey && item.value) item = item.value;
 | |
| 
 | |
|       if (comment === undefined) {
 | |
|         if (afterKey || !item.commentBefore) item.spaceBefore = true;
 | |
|       } else {
 | |
|         if (item.commentBefore) item.commentBefore += '\n' + comment;else item.commentBefore = comment;
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| // on error, will return { str: string, errors: Error[] }
 | |
| function resolveString(doc, node) {
 | |
|   const res = node.strValue;
 | |
|   if (!res) return '';
 | |
|   if (typeof res === 'string') return res;
 | |
|   res.errors.forEach(error => {
 | |
|     if (!error.source) error.source = node;
 | |
|     doc.errors.push(error);
 | |
|   });
 | |
|   return res.str;
 | |
| }
 | |
| 
 | |
| function resolveTagHandle(doc, node) {
 | |
|   const {
 | |
|     handle,
 | |
|     suffix
 | |
|   } = node.tag;
 | |
|   let prefix = doc.tagPrefixes.find(p => p.handle === handle);
 | |
| 
 | |
|   if (!prefix) {
 | |
|     const dtp = doc.getDefaults().tagPrefixes;
 | |
|     if (dtp) prefix = dtp.find(p => p.handle === handle);
 | |
|     if (!prefix) throw new PlainValue.YAMLSemanticError(node, `The ${handle} tag handle is non-default and was not declared.`);
 | |
|   }
 | |
| 
 | |
|   if (!suffix) throw new PlainValue.YAMLSemanticError(node, `The ${handle} tag has no suffix.`);
 | |
| 
 | |
|   if (handle === '!' && (doc.version || doc.options.version) === '1.0') {
 | |
|     if (suffix[0] === '^') {
 | |
|       doc.warnings.push(new PlainValue.YAMLWarning(node, 'YAML 1.0 ^ tag expansion is not supported'));
 | |
|       return suffix;
 | |
|     }
 | |
| 
 | |
|     if (/[:/]/.test(suffix)) {
 | |
|       // word/foo -> tag:word.yaml.org,2002:foo
 | |
|       const vocab = suffix.match(/^([a-z0-9-]+)\/(.*)/i);
 | |
|       return vocab ? `tag:${vocab[1]}.yaml.org,2002:${vocab[2]}` : `tag:${suffix}`;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return prefix.prefix + decodeURIComponent(suffix);
 | |
| }
 | |
| 
 | |
| function resolveTagName(doc, node) {
 | |
|   const {
 | |
|     tag,
 | |
|     type
 | |
|   } = node;
 | |
|   let nonSpecific = false;
 | |
| 
 | |
|   if (tag) {
 | |
|     const {
 | |
|       handle,
 | |
|       suffix,
 | |
|       verbatim
 | |
|     } = tag;
 | |
| 
 | |
|     if (verbatim) {
 | |
|       if (verbatim !== '!' && verbatim !== '!!') return verbatim;
 | |
|       const msg = `Verbatim tags aren't resolved, so ${verbatim} is invalid.`;
 | |
|       doc.errors.push(new PlainValue.YAMLSemanticError(node, msg));
 | |
|     } else if (handle === '!' && !suffix) {
 | |
|       nonSpecific = true;
 | |
|     } else {
 | |
|       try {
 | |
|         return resolveTagHandle(doc, node);
 | |
|       } catch (error) {
 | |
|         doc.errors.push(error);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   switch (type) {
 | |
|     case PlainValue.Type.BLOCK_FOLDED:
 | |
|     case PlainValue.Type.BLOCK_LITERAL:
 | |
|     case PlainValue.Type.QUOTE_DOUBLE:
 | |
|     case PlainValue.Type.QUOTE_SINGLE:
 | |
|       return PlainValue.defaultTags.STR;
 | |
| 
 | |
|     case PlainValue.Type.FLOW_MAP:
 | |
|     case PlainValue.Type.MAP:
 | |
|       return PlainValue.defaultTags.MAP;
 | |
| 
 | |
|     case PlainValue.Type.FLOW_SEQ:
 | |
|     case PlainValue.Type.SEQ:
 | |
|       return PlainValue.defaultTags.SEQ;
 | |
| 
 | |
|     case PlainValue.Type.PLAIN:
 | |
|       return nonSpecific ? PlainValue.defaultTags.STR : null;
 | |
| 
 | |
|     default:
 | |
|       return null;
 | |
|   }
 | |
| }
 | |
| 
 | |
| function resolveByTagName(doc, node, tagName) {
 | |
|   const {
 | |
|     tags
 | |
|   } = doc.schema;
 | |
|   const matchWithTest = [];
 | |
| 
 | |
|   for (const tag of tags) {
 | |
|     if (tag.tag === tagName) {
 | |
|       if (tag.test) matchWithTest.push(tag);else {
 | |
|         const res = tag.resolve(doc, node);
 | |
|         return res instanceof Collection ? res : new Scalar(res);
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   const str = resolveString(doc, node);
 | |
|   if (typeof str === 'string' && matchWithTest.length > 0) return resolveScalar(str, matchWithTest, tags.scalarFallback);
 | |
|   return null;
 | |
| }
 | |
| 
 | |
| function getFallbackTagName({
 | |
|   type
 | |
| }) {
 | |
|   switch (type) {
 | |
|     case PlainValue.Type.FLOW_MAP:
 | |
|     case PlainValue.Type.MAP:
 | |
|       return PlainValue.defaultTags.MAP;
 | |
| 
 | |
|     case PlainValue.Type.FLOW_SEQ:
 | |
|     case PlainValue.Type.SEQ:
 | |
|       return PlainValue.defaultTags.SEQ;
 | |
| 
 | |
|     default:
 | |
|       return PlainValue.defaultTags.STR;
 | |
|   }
 | |
| }
 | |
| 
 | |
| function resolveTag(doc, node, tagName) {
 | |
|   try {
 | |
|     const res = resolveByTagName(doc, node, tagName);
 | |
| 
 | |
|     if (res) {
 | |
|       if (tagName && node.tag) res.tag = tagName;
 | |
|       return res;
 | |
|     }
 | |
|   } catch (error) {
 | |
|     /* istanbul ignore if */
 | |
|     if (!error.source) error.source = node;
 | |
|     doc.errors.push(error);
 | |
|     return null;
 | |
|   }
 | |
| 
 | |
|   try {
 | |
|     const fallback = getFallbackTagName(node);
 | |
|     if (!fallback) throw new Error(`The tag ${tagName} is unavailable`);
 | |
|     const msg = `The tag ${tagName} is unavailable, falling back to ${fallback}`;
 | |
|     doc.warnings.push(new PlainValue.YAMLWarning(node, msg));
 | |
|     const res = resolveByTagName(doc, node, fallback);
 | |
|     res.tag = tagName;
 | |
|     return res;
 | |
|   } catch (error) {
 | |
|     const refError = new PlainValue.YAMLReferenceError(node, error.message);
 | |
|     refError.stack = error.stack;
 | |
|     doc.errors.push(refError);
 | |
|     return null;
 | |
|   }
 | |
| }
 | |
| 
 | |
| const isCollectionItem = node => {
 | |
|   if (!node) return false;
 | |
|   const {
 | |
|     type
 | |
|   } = node;
 | |
|   return type === PlainValue.Type.MAP_KEY || type === PlainValue.Type.MAP_VALUE || type === PlainValue.Type.SEQ_ITEM;
 | |
| };
 | |
| 
 | |
| function resolveNodeProps(errors, node) {
 | |
|   const comments = {
 | |
|     before: [],
 | |
|     after: []
 | |
|   };
 | |
|   let hasAnchor = false;
 | |
|   let hasTag = false;
 | |
|   const props = isCollectionItem(node.context.parent) ? node.context.parent.props.concat(node.props) : node.props;
 | |
| 
 | |
|   for (const {
 | |
|     start,
 | |
|     end
 | |
|   } of props) {
 | |
|     switch (node.context.src[start]) {
 | |
|       case PlainValue.Char.COMMENT:
 | |
|         {
 | |
|           if (!node.commentHasRequiredWhitespace(start)) {
 | |
|             const msg = 'Comments must be separated from other tokens by white space characters';
 | |
|             errors.push(new PlainValue.YAMLSemanticError(node, msg));
 | |
|           }
 | |
| 
 | |
|           const {
 | |
|             header,
 | |
|             valueRange
 | |
|           } = node;
 | |
|           const cc = valueRange && (start > valueRange.start || header && start > header.start) ? comments.after : comments.before;
 | |
|           cc.push(node.context.src.slice(start + 1, end));
 | |
|           break;
 | |
|         }
 | |
|       // Actual anchor & tag resolution is handled by schema, here we just complain
 | |
| 
 | |
|       case PlainValue.Char.ANCHOR:
 | |
|         if (hasAnchor) {
 | |
|           const msg = 'A node can have at most one anchor';
 | |
|           errors.push(new PlainValue.YAMLSemanticError(node, msg));
 | |
|         }
 | |
| 
 | |
|         hasAnchor = true;
 | |
|         break;
 | |
| 
 | |
|       case PlainValue.Char.TAG:
 | |
|         if (hasTag) {
 | |
|           const msg = 'A node can have at most one tag';
 | |
|           errors.push(new PlainValue.YAMLSemanticError(node, msg));
 | |
|         }
 | |
| 
 | |
|         hasTag = true;
 | |
|         break;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return {
 | |
|     comments,
 | |
|     hasAnchor,
 | |
|     hasTag
 | |
|   };
 | |
| }
 | |
| 
 | |
| function resolveNodeValue(doc, node) {
 | |
|   const {
 | |
|     anchors,
 | |
|     errors,
 | |
|     schema
 | |
|   } = doc;
 | |
| 
 | |
|   if (node.type === PlainValue.Type.ALIAS) {
 | |
|     const name = node.rawValue;
 | |
|     const src = anchors.getNode(name);
 | |
| 
 | |
|     if (!src) {
 | |
|       const msg = `Aliased anchor not found: ${name}`;
 | |
|       errors.push(new PlainValue.YAMLReferenceError(node, msg));
 | |
|       return null;
 | |
|     } // Lazy resolution for circular references
 | |
| 
 | |
| 
 | |
|     const res = new Alias(src);
 | |
| 
 | |
|     anchors._cstAliases.push(res);
 | |
| 
 | |
|     return res;
 | |
|   }
 | |
| 
 | |
|   const tagName = resolveTagName(doc, node);
 | |
|   if (tagName) return resolveTag(doc, node, tagName);
 | |
| 
 | |
|   if (node.type !== PlainValue.Type.PLAIN) {
 | |
|     const msg = `Failed to resolve ${node.type} node here`;
 | |
|     errors.push(new PlainValue.YAMLSyntaxError(node, msg));
 | |
|     return null;
 | |
|   }
 | |
| 
 | |
|   try {
 | |
|     const str = resolveString(doc, node);
 | |
|     return resolveScalar(str, schema.tags, schema.tags.scalarFallback);
 | |
|   } catch (error) {
 | |
|     if (!error.source) error.source = node;
 | |
|     errors.push(error);
 | |
|     return null;
 | |
|   }
 | |
| } // sets node.resolved on success
 | |
| 
 | |
| 
 | |
| function resolveNode(doc, node) {
 | |
|   if (!node) return null;
 | |
|   if (node.error) doc.errors.push(node.error);
 | |
|   const {
 | |
|     comments,
 | |
|     hasAnchor,
 | |
|     hasTag
 | |
|   } = resolveNodeProps(doc.errors, node);
 | |
| 
 | |
|   if (hasAnchor) {
 | |
|     const {
 | |
|       anchors
 | |
|     } = doc;
 | |
|     const name = node.anchor;
 | |
|     const prev = anchors.getNode(name); // At this point, aliases for any preceding node with the same anchor
 | |
|     // name have already been resolved, so it may safely be renamed.
 | |
| 
 | |
|     if (prev) anchors.map[anchors.newName(name)] = prev; // During parsing, we need to store the CST node in anchors.map as
 | |
|     // anchors need to be available during resolution to allow for
 | |
|     // circular references.
 | |
| 
 | |
|     anchors.map[name] = node;
 | |
|   }
 | |
| 
 | |
|   if (node.type === PlainValue.Type.ALIAS && (hasAnchor || hasTag)) {
 | |
|     const msg = 'An alias node must not specify any properties';
 | |
|     doc.errors.push(new PlainValue.YAMLSemanticError(node, msg));
 | |
|   }
 | |
| 
 | |
|   const res = resolveNodeValue(doc, node);
 | |
| 
 | |
|   if (res) {
 | |
|     res.range = [node.range.start, node.range.end];
 | |
|     if (doc.options.keepCstNodes) res.cstNode = node;
 | |
|     if (doc.options.keepNodeTypes) res.type = node.type;
 | |
|     const cb = comments.before.join('\n');
 | |
| 
 | |
|     if (cb) {
 | |
|       res.commentBefore = res.commentBefore ? `${res.commentBefore}\n${cb}` : cb;
 | |
|     }
 | |
| 
 | |
|     const ca = comments.after.join('\n');
 | |
|     if (ca) res.comment = res.comment ? `${res.comment}\n${ca}` : ca;
 | |
|   }
 | |
| 
 | |
|   return node.resolved = res;
 | |
| }
 | |
| 
 | |
| function resolveMap(doc, cst) {
 | |
|   if (cst.type !== PlainValue.Type.MAP && cst.type !== PlainValue.Type.FLOW_MAP) {
 | |
|     const msg = `A ${cst.type} node cannot be resolved as a mapping`;
 | |
|     doc.errors.push(new PlainValue.YAMLSyntaxError(cst, msg));
 | |
|     return null;
 | |
|   }
 | |
| 
 | |
|   const {
 | |
|     comments,
 | |
|     items
 | |
|   } = cst.type === PlainValue.Type.FLOW_MAP ? resolveFlowMapItems(doc, cst) : resolveBlockMapItems(doc, cst);
 | |
|   const map = new YAMLMap();
 | |
|   map.items = items;
 | |
|   resolveComments(map, comments);
 | |
|   let hasCollectionKey = false;
 | |
| 
 | |
|   for (let i = 0; i < items.length; ++i) {
 | |
|     const {
 | |
|       key: iKey
 | |
|     } = items[i];
 | |
|     if (iKey instanceof Collection) hasCollectionKey = true;
 | |
| 
 | |
|     if (doc.schema.merge && iKey && iKey.value === MERGE_KEY) {
 | |
|       items[i] = new Merge(items[i]);
 | |
|       const sources = items[i].value.items;
 | |
|       let error = null;
 | |
|       sources.some(node => {
 | |
|         if (node instanceof Alias) {
 | |
|           // During parsing, alias sources are CST nodes; to account for
 | |
|           // circular references their resolved values can't be used here.
 | |
|           const {
 | |
|             type
 | |
|           } = node.source;
 | |
|           if (type === PlainValue.Type.MAP || type === PlainValue.Type.FLOW_MAP) return false;
 | |
|           return error = 'Merge nodes aliases can only point to maps';
 | |
|         }
 | |
| 
 | |
|         return error = 'Merge nodes can only have Alias nodes as values';
 | |
|       });
 | |
|       if (error) doc.errors.push(new PlainValue.YAMLSemanticError(cst, error));
 | |
|     } else {
 | |
|       for (let j = i + 1; j < items.length; ++j) {
 | |
|         const {
 | |
|           key: jKey
 | |
|         } = items[j];
 | |
| 
 | |
|         if (iKey === jKey || iKey && jKey && Object.prototype.hasOwnProperty.call(iKey, 'value') && iKey.value === jKey.value) {
 | |
|           const msg = `Map keys must be unique; "${iKey}" is repeated`;
 | |
|           doc.errors.push(new PlainValue.YAMLSemanticError(cst, msg));
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (hasCollectionKey && !doc.options.mapAsMap) {
 | |
|     const warn = 'Keys with collection values will be stringified as YAML due to JS Object restrictions. Use mapAsMap: true to avoid this.';
 | |
|     doc.warnings.push(new PlainValue.YAMLWarning(cst, warn));
 | |
|   }
 | |
| 
 | |
|   cst.resolved = map;
 | |
|   return map;
 | |
| }
 | |
| 
 | |
| const valueHasPairComment = ({
 | |
|   context: {
 | |
|     lineStart,
 | |
|     node,
 | |
|     src
 | |
|   },
 | |
|   props
 | |
| }) => {
 | |
|   if (props.length === 0) return false;
 | |
|   const {
 | |
|     start
 | |
|   } = props[0];
 | |
|   if (node && start > node.valueRange.start) return false;
 | |
|   if (src[start] !== PlainValue.Char.COMMENT) return false;
 | |
| 
 | |
|   for (let i = lineStart; i < start; ++i) if (src[i] === '\n') return false;
 | |
| 
 | |
|   return true;
 | |
| };
 | |
| 
 | |
| function resolvePairComment(item, pair) {
 | |
|   if (!valueHasPairComment(item)) return;
 | |
|   const comment = item.getPropValue(0, PlainValue.Char.COMMENT, true);
 | |
|   let found = false;
 | |
|   const cb = pair.value.commentBefore;
 | |
| 
 | |
|   if (cb && cb.startsWith(comment)) {
 | |
|     pair.value.commentBefore = cb.substr(comment.length + 1);
 | |
|     found = true;
 | |
|   } else {
 | |
|     const cc = pair.value.comment;
 | |
| 
 | |
|     if (!item.node && cc && cc.startsWith(comment)) {
 | |
|       pair.value.comment = cc.substr(comment.length + 1);
 | |
|       found = true;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (found) pair.comment = comment;
 | |
| }
 | |
| 
 | |
| function resolveBlockMapItems(doc, cst) {
 | |
|   const comments = [];
 | |
|   const items = [];
 | |
|   let key = undefined;
 | |
|   let keyStart = null;
 | |
| 
 | |
|   for (let i = 0; i < cst.items.length; ++i) {
 | |
|     const item = cst.items[i];
 | |
| 
 | |
|     switch (item.type) {
 | |
|       case PlainValue.Type.BLANK_LINE:
 | |
|         comments.push({
 | |
|           afterKey: !!key,
 | |
|           before: items.length
 | |
|         });
 | |
|         break;
 | |
| 
 | |
|       case PlainValue.Type.COMMENT:
 | |
|         comments.push({
 | |
|           afterKey: !!key,
 | |
|           before: items.length,
 | |
|           comment: item.comment
 | |
|         });
 | |
|         break;
 | |
| 
 | |
|       case PlainValue.Type.MAP_KEY:
 | |
|         if (key !== undefined) items.push(new Pair(key));
 | |
|         if (item.error) doc.errors.push(item.error);
 | |
|         key = resolveNode(doc, item.node);
 | |
|         keyStart = null;
 | |
|         break;
 | |
| 
 | |
|       case PlainValue.Type.MAP_VALUE:
 | |
|         {
 | |
|           if (key === undefined) key = null;
 | |
|           if (item.error) doc.errors.push(item.error);
 | |
| 
 | |
|           if (!item.context.atLineStart && item.node && item.node.type === PlainValue.Type.MAP && !item.node.context.atLineStart) {
 | |
|             const msg = 'Nested mappings are not allowed in compact mappings';
 | |
|             doc.errors.push(new PlainValue.YAMLSemanticError(item.node, msg));
 | |
|           }
 | |
| 
 | |
|           let valueNode = item.node;
 | |
| 
 | |
|           if (!valueNode && item.props.length > 0) {
 | |
|             // Comments on an empty mapping value need to be preserved, so we
 | |
|             // need to construct a minimal empty node here to use instead of the
 | |
|             // missing `item.node`. -- eemeli/yaml#19
 | |
|             valueNode = new PlainValue.PlainValue(PlainValue.Type.PLAIN, []);
 | |
|             valueNode.context = {
 | |
|               parent: item,
 | |
|               src: item.context.src
 | |
|             };
 | |
|             const pos = item.range.start + 1;
 | |
|             valueNode.range = {
 | |
|               start: pos,
 | |
|               end: pos
 | |
|             };
 | |
|             valueNode.valueRange = {
 | |
|               start: pos,
 | |
|               end: pos
 | |
|             };
 | |
| 
 | |
|             if (typeof item.range.origStart === 'number') {
 | |
|               const origPos = item.range.origStart + 1;
 | |
|               valueNode.range.origStart = valueNode.range.origEnd = origPos;
 | |
|               valueNode.valueRange.origStart = valueNode.valueRange.origEnd = origPos;
 | |
|             }
 | |
|           }
 | |
| 
 | |
|           const pair = new Pair(key, resolveNode(doc, valueNode));
 | |
|           resolvePairComment(item, pair);
 | |
|           items.push(pair);
 | |
| 
 | |
|           if (key && typeof keyStart === 'number') {
 | |
|             if (item.range.start > keyStart + 1024) doc.errors.push(getLongKeyError(cst, key));
 | |
|           }
 | |
| 
 | |
|           key = undefined;
 | |
|           keyStart = null;
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|       default:
 | |
|         if (key !== undefined) items.push(new Pair(key));
 | |
|         key = resolveNode(doc, item);
 | |
|         keyStart = item.range.start;
 | |
|         if (item.error) doc.errors.push(item.error);
 | |
| 
 | |
|         next: for (let j = i + 1;; ++j) {
 | |
|           const nextItem = cst.items[j];
 | |
| 
 | |
|           switch (nextItem && nextItem.type) {
 | |
|             case PlainValue.Type.BLANK_LINE:
 | |
|             case PlainValue.Type.COMMENT:
 | |
|               continue next;
 | |
| 
 | |
|             case PlainValue.Type.MAP_VALUE:
 | |
|               break next;
 | |
| 
 | |
|             default:
 | |
|               {
 | |
|                 const msg = 'Implicit map keys need to be followed by map values';
 | |
|                 doc.errors.push(new PlainValue.YAMLSemanticError(item, msg));
 | |
|                 break next;
 | |
|               }
 | |
|           }
 | |
|         }
 | |
| 
 | |
|         if (item.valueRangeContainsNewline) {
 | |
|           const msg = 'Implicit map keys need to be on a single line';
 | |
|           doc.errors.push(new PlainValue.YAMLSemanticError(item, msg));
 | |
|         }
 | |
| 
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (key !== undefined) items.push(new Pair(key));
 | |
|   return {
 | |
|     comments,
 | |
|     items
 | |
|   };
 | |
| }
 | |
| 
 | |
| function resolveFlowMapItems(doc, cst) {
 | |
|   const comments = [];
 | |
|   const items = [];
 | |
|   let key = undefined;
 | |
|   let explicitKey = false;
 | |
|   let next = '{';
 | |
| 
 | |
|   for (let i = 0; i < cst.items.length; ++i) {
 | |
|     const item = cst.items[i];
 | |
| 
 | |
|     if (typeof item.char === 'string') {
 | |
|       const {
 | |
|         char,
 | |
|         offset
 | |
|       } = item;
 | |
| 
 | |
|       if (char === '?' && key === undefined && !explicitKey) {
 | |
|         explicitKey = true;
 | |
|         next = ':';
 | |
|         continue;
 | |
|       }
 | |
| 
 | |
|       if (char === ':') {
 | |
|         if (key === undefined) key = null;
 | |
| 
 | |
|         if (next === ':') {
 | |
|           next = ',';
 | |
|           continue;
 | |
|         }
 | |
|       } else {
 | |
|         if (explicitKey) {
 | |
|           if (key === undefined && char !== ',') key = null;
 | |
|           explicitKey = false;
 | |
|         }
 | |
| 
 | |
|         if (key !== undefined) {
 | |
|           items.push(new Pair(key));
 | |
|           key = undefined;
 | |
| 
 | |
|           if (char === ',') {
 | |
|             next = ':';
 | |
|             continue;
 | |
|           }
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       if (char === '}') {
 | |
|         if (i === cst.items.length - 1) continue;
 | |
|       } else if (char === next) {
 | |
|         next = ':';
 | |
|         continue;
 | |
|       }
 | |
| 
 | |
|       const msg = `Flow map contains an unexpected ${char}`;
 | |
|       const err = new PlainValue.YAMLSyntaxError(cst, msg);
 | |
|       err.offset = offset;
 | |
|       doc.errors.push(err);
 | |
|     } else if (item.type === PlainValue.Type.BLANK_LINE) {
 | |
|       comments.push({
 | |
|         afterKey: !!key,
 | |
|         before: items.length
 | |
|       });
 | |
|     } else if (item.type === PlainValue.Type.COMMENT) {
 | |
|       checkFlowCommentSpace(doc.errors, item);
 | |
|       comments.push({
 | |
|         afterKey: !!key,
 | |
|         before: items.length,
 | |
|         comment: item.comment
 | |
|       });
 | |
|     } else if (key === undefined) {
 | |
|       if (next === ',') doc.errors.push(new PlainValue.YAMLSemanticError(item, 'Separator , missing in flow map'));
 | |
|       key = resolveNode(doc, item);
 | |
|     } else {
 | |
|       if (next !== ',') doc.errors.push(new PlainValue.YAMLSemanticError(item, 'Indicator : missing in flow map entry'));
 | |
|       items.push(new Pair(key, resolveNode(doc, item)));
 | |
|       key = undefined;
 | |
|       explicitKey = false;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   checkFlowCollectionEnd(doc.errors, cst);
 | |
|   if (key !== undefined) items.push(new Pair(key));
 | |
|   return {
 | |
|     comments,
 | |
|     items
 | |
|   };
 | |
| }
 | |
| 
 | |
| function resolveSeq(doc, cst) {
 | |
|   if (cst.type !== PlainValue.Type.SEQ && cst.type !== PlainValue.Type.FLOW_SEQ) {
 | |
|     const msg = `A ${cst.type} node cannot be resolved as a sequence`;
 | |
|     doc.errors.push(new PlainValue.YAMLSyntaxError(cst, msg));
 | |
|     return null;
 | |
|   }
 | |
| 
 | |
|   const {
 | |
|     comments,
 | |
|     items
 | |
|   } = cst.type === PlainValue.Type.FLOW_SEQ ? resolveFlowSeqItems(doc, cst) : resolveBlockSeqItems(doc, cst);
 | |
|   const seq = new YAMLSeq();
 | |
|   seq.items = items;
 | |
|   resolveComments(seq, comments);
 | |
| 
 | |
|   if (!doc.options.mapAsMap && items.some(it => it instanceof Pair && it.key instanceof Collection)) {
 | |
|     const warn = 'Keys with collection values will be stringified as YAML due to JS Object restrictions. Use mapAsMap: true to avoid this.';
 | |
|     doc.warnings.push(new PlainValue.YAMLWarning(cst, warn));
 | |
|   }
 | |
| 
 | |
|   cst.resolved = seq;
 | |
|   return seq;
 | |
| }
 | |
| 
 | |
| function resolveBlockSeqItems(doc, cst) {
 | |
|   const comments = [];
 | |
|   const items = [];
 | |
| 
 | |
|   for (let i = 0; i < cst.items.length; ++i) {
 | |
|     const item = cst.items[i];
 | |
| 
 | |
|     switch (item.type) {
 | |
|       case PlainValue.Type.BLANK_LINE:
 | |
|         comments.push({
 | |
|           before: items.length
 | |
|         });
 | |
|         break;
 | |
| 
 | |
|       case PlainValue.Type.COMMENT:
 | |
|         comments.push({
 | |
|           comment: item.comment,
 | |
|           before: items.length
 | |
|         });
 | |
|         break;
 | |
| 
 | |
|       case PlainValue.Type.SEQ_ITEM:
 | |
|         if (item.error) doc.errors.push(item.error);
 | |
|         items.push(resolveNode(doc, item.node));
 | |
| 
 | |
|         if (item.hasProps) {
 | |
|           const msg = 'Sequence items cannot have tags or anchors before the - indicator';
 | |
|           doc.errors.push(new PlainValue.YAMLSemanticError(item, msg));
 | |
|         }
 | |
| 
 | |
|         break;
 | |
| 
 | |
|       default:
 | |
|         if (item.error) doc.errors.push(item.error);
 | |
|         doc.errors.push(new PlainValue.YAMLSyntaxError(item, `Unexpected ${item.type} node in sequence`));
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return {
 | |
|     comments,
 | |
|     items
 | |
|   };
 | |
| }
 | |
| 
 | |
| function resolveFlowSeqItems(doc, cst) {
 | |
|   const comments = [];
 | |
|   const items = [];
 | |
|   let explicitKey = false;
 | |
|   let key = undefined;
 | |
|   let keyStart = null;
 | |
|   let next = '[';
 | |
|   let prevItem = null;
 | |
| 
 | |
|   for (let i = 0; i < cst.items.length; ++i) {
 | |
|     const item = cst.items[i];
 | |
| 
 | |
|     if (typeof item.char === 'string') {
 | |
|       const {
 | |
|         char,
 | |
|         offset
 | |
|       } = item;
 | |
| 
 | |
|       if (char !== ':' && (explicitKey || key !== undefined)) {
 | |
|         if (explicitKey && key === undefined) key = next ? items.pop() : null;
 | |
|         items.push(new Pair(key));
 | |
|         explicitKey = false;
 | |
|         key = undefined;
 | |
|         keyStart = null;
 | |
|       }
 | |
| 
 | |
|       if (char === next) {
 | |
|         next = null;
 | |
|       } else if (!next && char === '?') {
 | |
|         explicitKey = true;
 | |
|       } else if (next !== '[' && char === ':' && key === undefined) {
 | |
|         if (next === ',') {
 | |
|           key = items.pop();
 | |
| 
 | |
|           if (key instanceof Pair) {
 | |
|             const msg = 'Chaining flow sequence pairs is invalid';
 | |
|             const err = new PlainValue.YAMLSemanticError(cst, msg);
 | |
|             err.offset = offset;
 | |
|             doc.errors.push(err);
 | |
|           }
 | |
| 
 | |
|           if (!explicitKey && typeof keyStart === 'number') {
 | |
|             const keyEnd = item.range ? item.range.start : item.offset;
 | |
|             if (keyEnd > keyStart + 1024) doc.errors.push(getLongKeyError(cst, key));
 | |
|             const {
 | |
|               src
 | |
|             } = prevItem.context;
 | |
| 
 | |
|             for (let i = keyStart; i < keyEnd; ++i) if (src[i] === '\n') {
 | |
|               const msg = 'Implicit keys of flow sequence pairs need to be on a single line';
 | |
|               doc.errors.push(new PlainValue.YAMLSemanticError(prevItem, msg));
 | |
|               break;
 | |
|             }
 | |
|           }
 | |
|         } else {
 | |
|           key = null;
 | |
|         }
 | |
| 
 | |
|         keyStart = null;
 | |
|         explicitKey = false;
 | |
|         next = null;
 | |
|       } else if (next === '[' || char !== ']' || i < cst.items.length - 1) {
 | |
|         const msg = `Flow sequence contains an unexpected ${char}`;
 | |
|         const err = new PlainValue.YAMLSyntaxError(cst, msg);
 | |
|         err.offset = offset;
 | |
|         doc.errors.push(err);
 | |
|       }
 | |
|     } else if (item.type === PlainValue.Type.BLANK_LINE) {
 | |
|       comments.push({
 | |
|         before: items.length
 | |
|       });
 | |
|     } else if (item.type === PlainValue.Type.COMMENT) {
 | |
|       checkFlowCommentSpace(doc.errors, item);
 | |
|       comments.push({
 | |
|         comment: item.comment,
 | |
|         before: items.length
 | |
|       });
 | |
|     } else {
 | |
|       if (next) {
 | |
|         const msg = `Expected a ${next} in flow sequence`;
 | |
|         doc.errors.push(new PlainValue.YAMLSemanticError(item, msg));
 | |
|       }
 | |
| 
 | |
|       const value = resolveNode(doc, item);
 | |
| 
 | |
|       if (key === undefined) {
 | |
|         items.push(value);
 | |
|         prevItem = item;
 | |
|       } else {
 | |
|         items.push(new Pair(key, value));
 | |
|         key = undefined;
 | |
|       }
 | |
| 
 | |
|       keyStart = item.range.start;
 | |
|       next = ',';
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   checkFlowCollectionEnd(doc.errors, cst);
 | |
|   if (key !== undefined) items.push(new Pair(key));
 | |
|   return {
 | |
|     comments,
 | |
|     items
 | |
|   };
 | |
| }
 | |
| 
 | |
| exports.Alias = Alias;
 | |
| exports.Collection = Collection;
 | |
| exports.Merge = Merge;
 | |
| exports.Node = Node;
 | |
| exports.Pair = Pair;
 | |
| exports.Scalar = Scalar;
 | |
| exports.YAMLMap = YAMLMap;
 | |
| exports.YAMLSeq = YAMLSeq;
 | |
| exports.addComment = addComment;
 | |
| exports.binaryOptions = binaryOptions;
 | |
| exports.boolOptions = boolOptions;
 | |
| exports.findPair = findPair;
 | |
| exports.intOptions = intOptions;
 | |
| exports.isEmptyPath = isEmptyPath;
 | |
| exports.nullOptions = nullOptions;
 | |
| exports.resolveMap = resolveMap;
 | |
| exports.resolveNode = resolveNode;
 | |
| exports.resolveSeq = resolveSeq;
 | |
| exports.resolveString = resolveString;
 | |
| exports.strOptions = strOptions;
 | |
| exports.stringifyNumber = stringifyNumber;
 | |
| exports.stringifyString = stringifyString;
 | |
| exports.toJSON = toJSON;
 |