758 lines
20 KiB
JavaScript
758 lines
20 KiB
JavaScript
'use strict';
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var PlainValue = require('./PlainValue-ec8e588e.js');
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var resolveSeq = require('./resolveSeq-d03cb037.js');
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var Schema = require('./Schema-88e323a7.js');
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const defaultOptions = {
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anchorPrefix: 'a',
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customTags: null,
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indent: 2,
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indentSeq: true,
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keepCstNodes: false,
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keepNodeTypes: true,
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keepBlobsInJSON: true,
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mapAsMap: false,
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maxAliasCount: 100,
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prettyErrors: false,
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// TODO Set true in v2
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simpleKeys: false,
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version: '1.2'
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};
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const scalarOptions = {
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get binary() {
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return resolveSeq.binaryOptions;
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},
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set binary(opt) {
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Object.assign(resolveSeq.binaryOptions, opt);
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},
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get bool() {
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return resolveSeq.boolOptions;
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},
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set bool(opt) {
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Object.assign(resolveSeq.boolOptions, opt);
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},
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get int() {
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return resolveSeq.intOptions;
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},
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set int(opt) {
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Object.assign(resolveSeq.intOptions, opt);
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},
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get null() {
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return resolveSeq.nullOptions;
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},
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set null(opt) {
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Object.assign(resolveSeq.nullOptions, opt);
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},
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get str() {
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return resolveSeq.strOptions;
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},
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set str(opt) {
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Object.assign(resolveSeq.strOptions, opt);
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}
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};
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const documentOptions = {
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'1.0': {
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schema: 'yaml-1.1',
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merge: true,
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tagPrefixes: [{
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handle: '!',
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prefix: PlainValue.defaultTagPrefix
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}, {
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handle: '!!',
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prefix: 'tag:private.yaml.org,2002:'
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}]
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},
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1.1: {
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schema: 'yaml-1.1',
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merge: true,
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tagPrefixes: [{
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handle: '!',
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prefix: '!'
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}, {
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handle: '!!',
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prefix: PlainValue.defaultTagPrefix
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}]
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},
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1.2: {
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schema: 'core',
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merge: false,
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tagPrefixes: [{
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handle: '!',
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prefix: '!'
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}, {
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handle: '!!',
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prefix: PlainValue.defaultTagPrefix
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}]
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}
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};
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function stringifyTag(doc, tag) {
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if ((doc.version || doc.options.version) === '1.0') {
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const priv = tag.match(/^tag:private\.yaml\.org,2002:([^:/]+)$/);
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if (priv) return '!' + priv[1];
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const vocab = tag.match(/^tag:([a-zA-Z0-9-]+)\.yaml\.org,2002:(.*)/);
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return vocab ? `!${vocab[1]}/${vocab[2]}` : `!${tag.replace(/^tag:/, '')}`;
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}
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let p = doc.tagPrefixes.find(p => tag.indexOf(p.prefix) === 0);
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if (!p) {
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const dtp = doc.getDefaults().tagPrefixes;
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p = dtp && dtp.find(p => tag.indexOf(p.prefix) === 0);
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}
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if (!p) return tag[0] === '!' ? tag : `!<${tag}>`;
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const suffix = tag.substr(p.prefix.length).replace(/[!,[\]{}]/g, ch => ({
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'!': '%21',
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',': '%2C',
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'[': '%5B',
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']': '%5D',
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'{': '%7B',
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'}': '%7D'
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})[ch]);
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return p.handle + suffix;
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}
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function getTagObject(tags, item) {
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if (item instanceof resolveSeq.Alias) return resolveSeq.Alias;
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if (item.tag) {
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const match = tags.filter(t => t.tag === item.tag);
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if (match.length > 0) return match.find(t => t.format === item.format) || match[0];
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}
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let tagObj, obj;
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if (item instanceof resolveSeq.Scalar) {
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obj = item.value; // TODO: deprecate/remove class check
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const match = tags.filter(t => t.identify && t.identify(obj) || t.class && obj instanceof t.class);
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tagObj = match.find(t => t.format === item.format) || match.find(t => !t.format);
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} else {
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obj = item;
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tagObj = tags.find(t => t.nodeClass && obj instanceof t.nodeClass);
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}
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if (!tagObj) {
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const name = obj && obj.constructor ? obj.constructor.name : typeof obj;
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throw new Error(`Tag not resolved for ${name} value`);
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}
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return tagObj;
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} // needs to be called before value stringifier to allow for circular anchor refs
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function stringifyProps(node, tagObj, {
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anchors,
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doc
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}) {
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const props = [];
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const anchor = doc.anchors.getName(node);
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if (anchor) {
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anchors[anchor] = node;
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props.push(`&${anchor}`);
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}
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if (node.tag) {
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props.push(stringifyTag(doc, node.tag));
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} else if (!tagObj.default) {
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props.push(stringifyTag(doc, tagObj.tag));
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}
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return props.join(' ');
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}
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function stringify(item, ctx, onComment, onChompKeep) {
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const {
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anchors,
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schema
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} = ctx.doc;
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let tagObj;
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if (!(item instanceof resolveSeq.Node)) {
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const createCtx = {
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aliasNodes: [],
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onTagObj: o => tagObj = o,
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prevObjects: new Map()
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};
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item = schema.createNode(item, true, null, createCtx);
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for (const alias of createCtx.aliasNodes) {
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alias.source = alias.source.node;
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let name = anchors.getName(alias.source);
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if (!name) {
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name = anchors.newName();
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anchors.map[name] = alias.source;
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}
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}
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}
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if (item instanceof resolveSeq.Pair) return item.toString(ctx, onComment, onChompKeep);
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if (!tagObj) tagObj = getTagObject(schema.tags, item);
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const props = stringifyProps(item, tagObj, ctx);
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if (props.length > 0) ctx.indentAtStart = (ctx.indentAtStart || 0) + props.length + 1;
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const str = typeof tagObj.stringify === 'function' ? tagObj.stringify(item, ctx, onComment, onChompKeep) : item instanceof resolveSeq.Scalar ? resolveSeq.stringifyString(item, ctx, onComment, onChompKeep) : item.toString(ctx, onComment, onChompKeep);
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if (!props) return str;
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return item instanceof resolveSeq.Scalar || str[0] === '{' || str[0] === '[' ? `${props} ${str}` : `${props}\n${ctx.indent}${str}`;
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}
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class Anchors {
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static validAnchorNode(node) {
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return node instanceof resolveSeq.Scalar || node instanceof resolveSeq.YAMLSeq || node instanceof resolveSeq.YAMLMap;
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}
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constructor(prefix) {
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PlainValue._defineProperty(this, "map", Object.create(null));
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this.prefix = prefix;
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}
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createAlias(node, name) {
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this.setAnchor(node, name);
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return new resolveSeq.Alias(node);
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}
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createMergePair(...sources) {
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const merge = new resolveSeq.Merge();
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merge.value.items = sources.map(s => {
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if (s instanceof resolveSeq.Alias) {
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if (s.source instanceof resolveSeq.YAMLMap) return s;
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} else if (s instanceof resolveSeq.YAMLMap) {
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return this.createAlias(s);
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}
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throw new Error('Merge sources must be Map nodes or their Aliases');
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});
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return merge;
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}
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getName(node) {
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const {
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map
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} = this;
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return Object.keys(map).find(a => map[a] === node);
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}
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getNames() {
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return Object.keys(this.map);
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}
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getNode(name) {
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return this.map[name];
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}
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newName(prefix) {
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if (!prefix) prefix = this.prefix;
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const names = Object.keys(this.map);
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for (let i = 1; true; ++i) {
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const name = `${prefix}${i}`;
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if (!names.includes(name)) return name;
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}
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} // During parsing, map & aliases contain CST nodes
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resolveNodes() {
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const {
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map,
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_cstAliases
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} = this;
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Object.keys(map).forEach(a => {
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map[a] = map[a].resolved;
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});
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_cstAliases.forEach(a => {
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a.source = a.source.resolved;
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});
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delete this._cstAliases;
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}
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setAnchor(node, name) {
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if (node != null && !Anchors.validAnchorNode(node)) {
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throw new Error('Anchors may only be set for Scalar, Seq and Map nodes');
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}
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if (name && /[\x00-\x19\s,[\]{}]/.test(name)) {
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throw new Error('Anchor names must not contain whitespace or control characters');
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}
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const {
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map
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} = this;
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const prev = node && Object.keys(map).find(a => map[a] === node);
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if (prev) {
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if (!name) {
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return prev;
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} else if (prev !== name) {
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delete map[prev];
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map[name] = node;
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}
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} else {
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if (!name) {
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if (!node) return null;
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name = this.newName();
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}
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map[name] = node;
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}
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return name;
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}
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}
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const visit = (node, tags) => {
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if (node && typeof node === 'object') {
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const {
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tag
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} = node;
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if (node instanceof resolveSeq.Collection) {
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if (tag) tags[tag] = true;
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node.items.forEach(n => visit(n, tags));
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} else if (node instanceof resolveSeq.Pair) {
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visit(node.key, tags);
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visit(node.value, tags);
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} else if (node instanceof resolveSeq.Scalar) {
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if (tag) tags[tag] = true;
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}
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}
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return tags;
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};
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const listTagNames = node => Object.keys(visit(node, {}));
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function parseContents(doc, contents) {
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const comments = {
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before: [],
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after: []
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};
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let body = undefined;
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let spaceBefore = false;
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for (const node of contents) {
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if (node.valueRange) {
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if (body !== undefined) {
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const msg = 'Document contains trailing content not separated by a ... or --- line';
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doc.errors.push(new PlainValue.YAMLSyntaxError(node, msg));
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break;
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}
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const res = resolveSeq.resolveNode(doc, node);
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if (spaceBefore) {
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res.spaceBefore = true;
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spaceBefore = false;
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}
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body = res;
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} else if (node.comment !== null) {
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const cc = body === undefined ? comments.before : comments.after;
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cc.push(node.comment);
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} else if (node.type === PlainValue.Type.BLANK_LINE) {
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spaceBefore = true;
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if (body === undefined && comments.before.length > 0 && !doc.commentBefore) {
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// space-separated comments at start are parsed as document comments
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doc.commentBefore = comments.before.join('\n');
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comments.before = [];
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}
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}
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}
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doc.contents = body || null;
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if (!body) {
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doc.comment = comments.before.concat(comments.after).join('\n') || null;
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} else {
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const cb = comments.before.join('\n');
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if (cb) {
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const cbNode = body instanceof resolveSeq.Collection && body.items[0] ? body.items[0] : body;
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cbNode.commentBefore = cbNode.commentBefore ? `${cb}\n${cbNode.commentBefore}` : cb;
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}
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doc.comment = comments.after.join('\n') || null;
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}
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}
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function resolveTagDirective({
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tagPrefixes
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}, directive) {
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const [handle, prefix] = directive.parameters;
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if (!handle || !prefix) {
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const msg = 'Insufficient parameters given for %TAG directive';
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throw new PlainValue.YAMLSemanticError(directive, msg);
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}
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if (tagPrefixes.some(p => p.handle === handle)) {
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const msg = 'The %TAG directive must only be given at most once per handle in the same document.';
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throw new PlainValue.YAMLSemanticError(directive, msg);
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}
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return {
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handle,
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prefix
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};
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}
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function resolveYamlDirective(doc, directive) {
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let [version] = directive.parameters;
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if (directive.name === 'YAML:1.0') version = '1.0';
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if (!version) {
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const msg = 'Insufficient parameters given for %YAML directive';
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throw new PlainValue.YAMLSemanticError(directive, msg);
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}
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if (!documentOptions[version]) {
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const v0 = doc.version || doc.options.version;
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const msg = `Document will be parsed as YAML ${v0} rather than YAML ${version}`;
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doc.warnings.push(new PlainValue.YAMLWarning(directive, msg));
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}
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return version;
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}
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function parseDirectives(doc, directives, prevDoc) {
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const directiveComments = [];
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let hasDirectives = false;
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for (const directive of directives) {
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const {
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comment,
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name
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} = directive;
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switch (name) {
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case 'TAG':
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try {
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doc.tagPrefixes.push(resolveTagDirective(doc, directive));
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} catch (error) {
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doc.errors.push(error);
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}
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hasDirectives = true;
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break;
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case 'YAML':
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case 'YAML:1.0':
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if (doc.version) {
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const msg = 'The %YAML directive must only be given at most once per document.';
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doc.errors.push(new PlainValue.YAMLSemanticError(directive, msg));
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}
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try {
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doc.version = resolveYamlDirective(doc, directive);
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} catch (error) {
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doc.errors.push(error);
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}
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hasDirectives = true;
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break;
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default:
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if (name) {
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const msg = `YAML only supports %TAG and %YAML directives, and not %${name}`;
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doc.warnings.push(new PlainValue.YAMLWarning(directive, msg));
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}
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}
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if (comment) directiveComments.push(comment);
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}
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if (prevDoc && !hasDirectives && '1.1' === (doc.version || prevDoc.version || doc.options.version)) {
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const copyTagPrefix = ({
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handle,
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prefix
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}) => ({
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handle,
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prefix
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});
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doc.tagPrefixes = prevDoc.tagPrefixes.map(copyTagPrefix);
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doc.version = prevDoc.version;
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}
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doc.commentBefore = directiveComments.join('\n') || null;
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}
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function assertCollection(contents) {
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if (contents instanceof resolveSeq.Collection) return true;
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throw new Error('Expected a YAML collection as document contents');
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}
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class Document {
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constructor(options) {
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this.anchors = new Anchors(options.anchorPrefix);
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this.commentBefore = null;
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this.comment = null;
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this.contents = null;
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this.directivesEndMarker = null;
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this.errors = [];
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this.options = options;
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this.schema = null;
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this.tagPrefixes = [];
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this.version = null;
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this.warnings = [];
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}
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add(value) {
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assertCollection(this.contents);
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return this.contents.add(value);
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}
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addIn(path, value) {
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assertCollection(this.contents);
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this.contents.addIn(path, value);
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}
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delete(key) {
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assertCollection(this.contents);
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return this.contents.delete(key);
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}
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deleteIn(path) {
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if (resolveSeq.isEmptyPath(path)) {
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if (this.contents == null) return false;
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this.contents = null;
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return true;
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}
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assertCollection(this.contents);
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return this.contents.deleteIn(path);
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}
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getDefaults() {
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return Document.defaults[this.version] || Document.defaults[this.options.version] || {};
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}
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get(key, keepScalar) {
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return this.contents instanceof resolveSeq.Collection ? this.contents.get(key, keepScalar) : undefined;
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}
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getIn(path, keepScalar) {
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if (resolveSeq.isEmptyPath(path)) return !keepScalar && this.contents instanceof resolveSeq.Scalar ? this.contents.value : this.contents;
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return this.contents instanceof resolveSeq.Collection ? this.contents.getIn(path, keepScalar) : undefined;
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}
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has(key) {
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return this.contents instanceof resolveSeq.Collection ? this.contents.has(key) : false;
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}
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hasIn(path) {
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if (resolveSeq.isEmptyPath(path)) return this.contents !== undefined;
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return this.contents instanceof resolveSeq.Collection ? this.contents.hasIn(path) : false;
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}
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set(key, value) {
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assertCollection(this.contents);
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this.contents.set(key, value);
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}
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setIn(path, value) {
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if (resolveSeq.isEmptyPath(path)) this.contents = value;else {
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assertCollection(this.contents);
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this.contents.setIn(path, value);
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}
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}
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setSchema(id, customTags) {
|
|
if (!id && !customTags && this.schema) return;
|
|
if (typeof id === 'number') id = id.toFixed(1);
|
|
|
|
if (id === '1.0' || id === '1.1' || id === '1.2') {
|
|
if (this.version) this.version = id;else this.options.version = id;
|
|
delete this.options.schema;
|
|
} else if (id && typeof id === 'string') {
|
|
this.options.schema = id;
|
|
}
|
|
|
|
if (Array.isArray(customTags)) this.options.customTags = customTags;
|
|
const opt = Object.assign({}, this.getDefaults(), this.options);
|
|
this.schema = new Schema.Schema(opt);
|
|
}
|
|
|
|
parse(node, prevDoc) {
|
|
if (this.options.keepCstNodes) this.cstNode = node;
|
|
if (this.options.keepNodeTypes) this.type = 'DOCUMENT';
|
|
const {
|
|
directives = [],
|
|
contents = [],
|
|
directivesEndMarker,
|
|
error,
|
|
valueRange
|
|
} = node;
|
|
|
|
if (error) {
|
|
if (!error.source) error.source = this;
|
|
this.errors.push(error);
|
|
}
|
|
|
|
parseDirectives(this, directives, prevDoc);
|
|
if (directivesEndMarker) this.directivesEndMarker = true;
|
|
this.range = valueRange ? [valueRange.start, valueRange.end] : null;
|
|
this.setSchema();
|
|
this.anchors._cstAliases = [];
|
|
parseContents(this, contents);
|
|
this.anchors.resolveNodes();
|
|
|
|
if (this.options.prettyErrors) {
|
|
for (const error of this.errors) if (error instanceof PlainValue.YAMLError) error.makePretty();
|
|
|
|
for (const warn of this.warnings) if (warn instanceof PlainValue.YAMLError) warn.makePretty();
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
listNonDefaultTags() {
|
|
return listTagNames(this.contents).filter(t => t.indexOf(Schema.Schema.defaultPrefix) !== 0);
|
|
}
|
|
|
|
setTagPrefix(handle, prefix) {
|
|
if (handle[0] !== '!' || handle[handle.length - 1] !== '!') throw new Error('Handle must start and end with !');
|
|
|
|
if (prefix) {
|
|
const prev = this.tagPrefixes.find(p => p.handle === handle);
|
|
if (prev) prev.prefix = prefix;else this.tagPrefixes.push({
|
|
handle,
|
|
prefix
|
|
});
|
|
} else {
|
|
this.tagPrefixes = this.tagPrefixes.filter(p => p.handle !== handle);
|
|
}
|
|
}
|
|
|
|
toJSON(arg, onAnchor) {
|
|
const {
|
|
keepBlobsInJSON,
|
|
mapAsMap,
|
|
maxAliasCount
|
|
} = this.options;
|
|
const keep = keepBlobsInJSON && (typeof arg !== 'string' || !(this.contents instanceof resolveSeq.Scalar));
|
|
const ctx = {
|
|
doc: this,
|
|
indentStep: ' ',
|
|
keep,
|
|
mapAsMap: keep && !!mapAsMap,
|
|
maxAliasCount,
|
|
stringify // Requiring directly in Pair would create circular dependencies
|
|
|
|
};
|
|
const anchorNames = Object.keys(this.anchors.map);
|
|
if (anchorNames.length > 0) ctx.anchors = new Map(anchorNames.map(name => [this.anchors.map[name], {
|
|
alias: [],
|
|
aliasCount: 0,
|
|
count: 1
|
|
}]));
|
|
const res = resolveSeq.toJSON(this.contents, arg, ctx);
|
|
if (typeof onAnchor === 'function' && ctx.anchors) for (const {
|
|
count,
|
|
res
|
|
} of ctx.anchors.values()) onAnchor(res, count);
|
|
return res;
|
|
}
|
|
|
|
toString() {
|
|
if (this.errors.length > 0) throw new Error('Document with errors cannot be stringified');
|
|
const indentSize = this.options.indent;
|
|
|
|
if (!Number.isInteger(indentSize) || indentSize <= 0) {
|
|
const s = JSON.stringify(indentSize);
|
|
throw new Error(`"indent" option must be a positive integer, not ${s}`);
|
|
}
|
|
|
|
this.setSchema();
|
|
const lines = [];
|
|
let hasDirectives = false;
|
|
|
|
if (this.version) {
|
|
let vd = '%YAML 1.2';
|
|
|
|
if (this.schema.name === 'yaml-1.1') {
|
|
if (this.version === '1.0') vd = '%YAML:1.0';else if (this.version === '1.1') vd = '%YAML 1.1';
|
|
}
|
|
|
|
lines.push(vd);
|
|
hasDirectives = true;
|
|
}
|
|
|
|
const tagNames = this.listNonDefaultTags();
|
|
this.tagPrefixes.forEach(({
|
|
handle,
|
|
prefix
|
|
}) => {
|
|
if (tagNames.some(t => t.indexOf(prefix) === 0)) {
|
|
lines.push(`%TAG ${handle} ${prefix}`);
|
|
hasDirectives = true;
|
|
}
|
|
});
|
|
if (hasDirectives || this.directivesEndMarker) lines.push('---');
|
|
|
|
if (this.commentBefore) {
|
|
if (hasDirectives || !this.directivesEndMarker) lines.unshift('');
|
|
lines.unshift(this.commentBefore.replace(/^/gm, '#'));
|
|
}
|
|
|
|
const ctx = {
|
|
anchors: Object.create(null),
|
|
doc: this,
|
|
indent: '',
|
|
indentStep: ' '.repeat(indentSize),
|
|
stringify // Requiring directly in nodes would create circular dependencies
|
|
|
|
};
|
|
let chompKeep = false;
|
|
let contentComment = null;
|
|
|
|
if (this.contents) {
|
|
if (this.contents instanceof resolveSeq.Node) {
|
|
if (this.contents.spaceBefore && (hasDirectives || this.directivesEndMarker)) lines.push('');
|
|
if (this.contents.commentBefore) lines.push(this.contents.commentBefore.replace(/^/gm, '#')); // top-level block scalars need to be indented if followed by a comment
|
|
|
|
ctx.forceBlockIndent = !!this.comment;
|
|
contentComment = this.contents.comment;
|
|
}
|
|
|
|
const onChompKeep = contentComment ? null : () => chompKeep = true;
|
|
const body = stringify(this.contents, ctx, () => contentComment = null, onChompKeep);
|
|
lines.push(resolveSeq.addComment(body, '', contentComment));
|
|
} else if (this.contents !== undefined) {
|
|
lines.push(stringify(this.contents, ctx));
|
|
}
|
|
|
|
if (this.comment) {
|
|
if ((!chompKeep || contentComment) && lines[lines.length - 1] !== '') lines.push('');
|
|
lines.push(this.comment.replace(/^/gm, '#'));
|
|
}
|
|
|
|
return lines.join('\n') + '\n';
|
|
}
|
|
|
|
}
|
|
|
|
PlainValue._defineProperty(Document, "defaults", documentOptions);
|
|
|
|
exports.Document = Document;
|
|
exports.defaultOptions = defaultOptions;
|
|
exports.scalarOptions = scalarOptions;
|