2162 lines
60 KiB
JavaScript
2162 lines
60 KiB
JavaScript
'use strict';
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var PlainValue = require('./PlainValue-ec8e588e.js');
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function addCommentBefore(str, indent, comment) {
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if (!comment) return str;
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const cc = comment.replace(/[\s\S]^/gm, `$&${indent}#`);
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return `#${cc}\n${indent}${str}`;
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}
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function addComment(str, indent, comment) {
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return !comment ? str : comment.indexOf('\n') === -1 ? `${str} #${comment}` : `${str}\n` + comment.replace(/^/gm, `${indent || ''}#`);
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}
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class Node {}
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function toJSON(value, arg, ctx) {
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if (Array.isArray(value)) return value.map((v, i) => toJSON(v, String(i), ctx));
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if (value && typeof value.toJSON === 'function') {
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const anchor = ctx && ctx.anchors && ctx.anchors.get(value);
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if (anchor) ctx.onCreate = res => {
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anchor.res = res;
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delete ctx.onCreate;
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};
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const res = value.toJSON(arg, ctx);
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if (anchor && ctx.onCreate) ctx.onCreate(res);
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return res;
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}
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if ((!ctx || !ctx.keep) && typeof value === 'bigint') return Number(value);
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return value;
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}
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class Scalar extends Node {
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constructor(value) {
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super();
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this.value = value;
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}
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toJSON(arg, ctx) {
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return ctx && ctx.keep ? this.value : toJSON(this.value, arg, ctx);
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}
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toString() {
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return String(this.value);
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}
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}
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function collectionFromPath(schema, path, value) {
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let v = value;
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for (let i = path.length - 1; i >= 0; --i) {
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const k = path[i];
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if (Number.isInteger(k) && k >= 0) {
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const a = [];
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a[k] = v;
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v = a;
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} else {
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const o = {};
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Object.defineProperty(o, k, {
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value: v,
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writable: true,
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enumerable: true,
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configurable: true
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});
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v = o;
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}
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}
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return schema.createNode(v, false);
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} // null, undefined, or an empty non-string iterable (e.g. [])
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const isEmptyPath = path => path == null || typeof path === 'object' && path[Symbol.iterator]().next().done;
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class Collection extends Node {
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constructor(schema) {
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super();
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PlainValue._defineProperty(this, "items", []);
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this.schema = schema;
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}
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addIn(path, value) {
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if (isEmptyPath(path)) this.add(value);else {
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const [key, ...rest] = path;
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const node = this.get(key, true);
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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}`);
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}
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}
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deleteIn([key, ...rest]) {
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if (rest.length === 0) return this.delete(key);
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const node = this.get(key, true);
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if (node instanceof Collection) return node.deleteIn(rest);else throw new Error(`Expected YAML collection at ${key}. Remaining path: ${rest}`);
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}
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getIn([key, ...rest], keepScalar) {
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const node = this.get(key, true);
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if (rest.length === 0) return !keepScalar && node instanceof Scalar ? node.value : node;else return node instanceof Collection ? node.getIn(rest, keepScalar) : undefined;
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}
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hasAllNullValues() {
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return this.items.every(node => {
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if (!node || node.type !== 'PAIR') return false;
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const n = node.value;
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return n == null || n instanceof Scalar && n.value == null && !n.commentBefore && !n.comment && !n.tag;
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});
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}
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hasIn([key, ...rest]) {
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if (rest.length === 0) return this.has(key);
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const node = this.get(key, true);
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return node instanceof Collection ? node.hasIn(rest) : false;
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}
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setIn([key, ...rest], value) {
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if (rest.length === 0) {
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this.set(key, value);
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} else {
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const node = this.get(key, true);
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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}`);
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}
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} // overridden in implementations
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/* istanbul ignore next */
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toJSON() {
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return null;
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}
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toString(ctx, {
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blockItem,
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flowChars,
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isMap,
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itemIndent
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}, onComment, onChompKeep) {
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const {
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indent,
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indentStep,
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stringify
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} = ctx;
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const inFlow = this.type === PlainValue.Type.FLOW_MAP || this.type === PlainValue.Type.FLOW_SEQ || ctx.inFlow;
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if (inFlow) itemIndent += indentStep;
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const allNullValues = isMap && this.hasAllNullValues();
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ctx = Object.assign({}, ctx, {
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allNullValues,
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indent: itemIndent,
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inFlow,
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type: null
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});
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let chompKeep = false;
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let hasItemWithNewLine = false;
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const nodes = this.items.reduce((nodes, item, i) => {
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let comment;
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if (item) {
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if (!chompKeep && item.spaceBefore) nodes.push({
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type: 'comment',
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str: ''
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});
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if (item.commentBefore) item.commentBefore.match(/^.*$/gm).forEach(line => {
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nodes.push({
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type: 'comment',
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str: `#${line}`
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});
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});
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if (item.comment) comment = item.comment;
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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;
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}
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chompKeep = false;
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let str = stringify(item, ctx, () => comment = null, () => chompKeep = true);
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if (inFlow && !hasItemWithNewLine && str.includes('\n')) hasItemWithNewLine = true;
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if (inFlow && i < this.items.length - 1) str += ',';
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str = addComment(str, itemIndent, comment);
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if (chompKeep && (comment || inFlow)) chompKeep = false;
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nodes.push({
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type: 'item',
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str
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});
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return nodes;
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}, []);
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let str;
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if (nodes.length === 0) {
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str = flowChars.start + flowChars.end;
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} else if (inFlow) {
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const {
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start,
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end
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} = flowChars;
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const strings = nodes.map(n => n.str);
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if (hasItemWithNewLine || strings.reduce((sum, str) => sum + str.length + 2, 2) > Collection.maxFlowStringSingleLineLength) {
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str = start;
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for (const s of strings) {
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str += s ? `\n${indentStep}${indent}${s}` : '\n';
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}
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str += `\n${indent}${end}`;
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} else {
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str = `${start} ${strings.join(' ')} ${end}`;
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}
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} else {
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const strings = nodes.map(blockItem);
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str = strings.shift();
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for (const s of strings) str += s ? `\n${indent}${s}` : '\n';
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}
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if (this.comment) {
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str += '\n' + this.comment.replace(/^/gm, `${indent}#`);
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if (onComment) onComment();
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} else if (chompKeep && onChompKeep) onChompKeep();
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return str;
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}
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}
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PlainValue._defineProperty(Collection, "maxFlowStringSingleLineLength", 60);
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function asItemIndex(key) {
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let idx = key instanceof Scalar ? key.value : key;
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if (idx && typeof idx === 'string') idx = Number(idx);
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return Number.isInteger(idx) && idx >= 0 ? idx : null;
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}
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class YAMLSeq extends Collection {
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add(value) {
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this.items.push(value);
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}
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delete(key) {
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const idx = asItemIndex(key);
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if (typeof idx !== 'number') return false;
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const del = this.items.splice(idx, 1);
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return del.length > 0;
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}
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get(key, keepScalar) {
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const idx = asItemIndex(key);
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if (typeof idx !== 'number') return undefined;
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const it = this.items[idx];
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return !keepScalar && it instanceof Scalar ? it.value : it;
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}
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has(key) {
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const idx = asItemIndex(key);
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return typeof idx === 'number' && idx < this.items.length;
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}
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set(key, value) {
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const idx = asItemIndex(key);
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if (typeof idx !== 'number') throw new Error(`Expected a valid index, not ${key}.`);
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this.items[idx] = value;
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}
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toJSON(_, ctx) {
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const seq = [];
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if (ctx && ctx.onCreate) ctx.onCreate(seq);
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let i = 0;
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for (const item of this.items) seq.push(toJSON(item, String(i++), ctx));
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return seq;
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}
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toString(ctx, onComment, onChompKeep) {
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if (!ctx) return JSON.stringify(this);
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return super.toString(ctx, {
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blockItem: n => n.type === 'comment' ? n.str : `- ${n.str}`,
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flowChars: {
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start: '[',
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end: ']'
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},
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isMap: false,
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itemIndent: (ctx.indent || '') + ' '
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}, onComment, onChompKeep);
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}
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}
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const stringifyKey = (key, jsKey, ctx) => {
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if (jsKey === null) return '';
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if (typeof jsKey !== 'object') return String(jsKey);
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if (key instanceof Node && ctx && ctx.doc) return key.toString({
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anchors: Object.create(null),
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doc: ctx.doc,
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indent: '',
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indentStep: ctx.indentStep,
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inFlow: true,
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inStringifyKey: true,
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stringify: ctx.stringify
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});
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return JSON.stringify(jsKey);
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};
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class Pair extends Node {
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constructor(key, value = null) {
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super();
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this.key = key;
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this.value = value;
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this.type = Pair.Type.PAIR;
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}
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get commentBefore() {
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return this.key instanceof Node ? this.key.commentBefore : undefined;
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}
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set commentBefore(cb) {
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if (this.key == null) this.key = new Scalar(null);
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if (this.key instanceof Node) this.key.commentBefore = cb;else {
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const msg = 'Pair.commentBefore is an alias for Pair.key.commentBefore. To set it, the key must be a Node.';
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throw new Error(msg);
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}
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}
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addToJSMap(ctx, map) {
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const key = toJSON(this.key, '', ctx);
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if (map instanceof Map) {
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const value = toJSON(this.value, key, ctx);
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map.set(key, value);
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} else if (map instanceof Set) {
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map.add(key);
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} else {
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const stringKey = stringifyKey(this.key, key, ctx);
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const value = toJSON(this.value, stringKey, ctx);
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if (stringKey in map) Object.defineProperty(map, stringKey, {
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value,
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writable: true,
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enumerable: true,
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configurable: true
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});else map[stringKey] = value;
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}
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return map;
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}
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toJSON(_, ctx) {
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const pair = ctx && ctx.mapAsMap ? new Map() : {};
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return this.addToJSMap(ctx, pair);
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}
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toString(ctx, onComment, onChompKeep) {
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if (!ctx || !ctx.doc) return JSON.stringify(this);
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const {
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indent: indentSize,
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indentSeq,
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simpleKeys
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} = ctx.doc.options;
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let {
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key,
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value
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} = this;
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let keyComment = key instanceof Node && key.comment;
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if (simpleKeys) {
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if (keyComment) {
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throw new Error('With simple keys, key nodes cannot have comments');
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}
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if (key instanceof Collection) {
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const msg = 'With simple keys, collection cannot be used as a key value';
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throw new Error(msg);
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}
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}
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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'));
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const {
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doc,
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indent,
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indentStep,
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stringify
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} = ctx;
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ctx = Object.assign({}, ctx, {
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implicitKey: !explicitKey,
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indent: indent + indentStep
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});
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let chompKeep = false;
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let str = stringify(key, ctx, () => keyComment = null, () => chompKeep = true);
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str = addComment(str, ctx.indent, keyComment);
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if (!explicitKey && str.length > 1024) {
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if (simpleKeys) throw new Error('With simple keys, single line scalar must not span more than 1024 characters');
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explicitKey = true;
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}
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if (ctx.allNullValues && !simpleKeys) {
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if (this.comment) {
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str = addComment(str, ctx.indent, this.comment);
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if (onComment) onComment();
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} else if (chompKeep && !keyComment && onChompKeep) onChompKeep();
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return ctx.inFlow && !explicitKey ? str : `? ${str}`;
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}
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str = explicitKey ? `? ${str}\n${indent}:` : `${str}:`;
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if (this.comment) {
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// expected (but not strictly required) to be a single-line comment
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str = addComment(str, ctx.indent, this.comment);
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if (onComment) onComment();
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}
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let vcb = '';
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let valueComment = null;
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if (value instanceof Node) {
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if (value.spaceBefore) vcb = '\n';
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if (value.commentBefore) {
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const cs = value.commentBefore.replace(/^/gm, `${ctx.indent}#`);
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vcb += `\n${cs}`;
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}
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valueComment = value.comment;
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} else if (value && typeof value === 'object') {
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value = doc.schema.createNode(value, true);
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}
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ctx.implicitKey = false;
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if (!explicitKey && !this.comment && value instanceof Scalar) ctx.indentAtStart = str.length + 1;
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chompKeep = false;
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if (!indentSeq && indentSize >= 2 && !ctx.inFlow && !explicitKey && value instanceof YAMLSeq && value.type !== PlainValue.Type.FLOW_SEQ && !value.tag && !doc.anchors.getName(value)) {
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// If indentSeq === false, consider '- ' as part of indentation where possible
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ctx.indent = ctx.indent.substr(2);
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}
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const valueStr = stringify(value, ctx, () => valueComment = null, () => chompKeep = true);
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let ws = ' ';
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if (vcb || this.comment) {
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ws = `${vcb}\n${ctx.indent}`;
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} else if (!explicitKey && value instanceof Collection) {
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const flow = valueStr[0] === '[' || valueStr[0] === '{';
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if (!flow || valueStr.includes('\n')) ws = `\n${ctx.indent}`;
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} else if (valueStr[0] === '\n') ws = '';
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if (chompKeep && !valueComment && onChompKeep) onChompKeep();
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return addComment(str + ws + valueStr, ctx.indent, valueComment);
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}
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}
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PlainValue._defineProperty(Pair, "Type", {
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PAIR: 'PAIR',
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MERGE_PAIR: 'MERGE_PAIR'
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});
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const getAliasCount = (node, anchors) => {
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if (node instanceof Alias) {
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const anchor = anchors.get(node.source);
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return anchor.count * anchor.aliasCount;
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} else if (node instanceof Collection) {
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let count = 0;
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for (const item of node.items) {
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const c = getAliasCount(item, anchors);
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if (c > count) count = c;
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}
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return count;
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} else if (node instanceof Pair) {
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const kc = getAliasCount(node.key, anchors);
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const vc = getAliasCount(node.value, anchors);
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return Math.max(kc, vc);
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}
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return 1;
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};
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|
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class Alias extends Node {
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static stringify({
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range,
|
|
source
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}, {
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anchors,
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doc,
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|
implicitKey,
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|
inStringifyKey
|
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}) {
|
|
let anchor = Object.keys(anchors).find(a => anchors[a] === source);
|
|
if (!anchor && inStringifyKey) anchor = doc.anchors.getName(source) || doc.anchors.newName();
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if (anchor) return `*${anchor}${implicitKey ? ' ' : ''}`;
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const msg = doc.anchors.getName(source) ? 'Alias node must be after source node' : 'Source node not found for alias node';
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throw new Error(`${msg} [${range}]`);
|
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}
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|
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constructor(source) {
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super();
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this.source = source;
|
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this.type = PlainValue.Type.ALIAS;
|
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}
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set tag(t) {
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throw new Error('Alias nodes cannot have tags');
|
|
}
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|
|
toJSON(arg, ctx) {
|
|
if (!ctx) return toJSON(this.source, arg, ctx);
|
|
const {
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|
anchors,
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|
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);
|
|
}
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|
|
if (maxAliasCount >= 0) {
|
|
anchor.count += 1;
|
|
if (anchor.aliasCount === 0) anchor.aliasCount = getAliasCount(this.source, anchors);
|
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|
|
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;
|