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Document-9b4560a1.js
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Created: Fri, Feb 14, 20:01

Document-9b4560a1.js
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	'use strict';

	var PlainValue = require('./PlainValue-ec8e588e.js');
	var resolveSeq = require('./resolveSeq-d03cb037.js');
	var Schema = require('./Schema-88e323a7.js');

	const defaultOptions = {
	anchorPrefix: 'a',
	customTags: null,
	indent: 2,
	indentSeq: true,
	keepCstNodes: false,
	keepNodeTypes: true,
	keepBlobsInJSON: true,
	mapAsMap: false,
	maxAliasCount: 100,
	prettyErrors: false,
	// TODO Set true in v2
	simpleKeys: false,
	version: '1.2'
	};
	const scalarOptions = {
	get binary() {
	return resolveSeq.binaryOptions;
	},

	set binary(opt) {
	Object.assign(resolveSeq.binaryOptions, opt);
	},

	get bool() {
	return resolveSeq.boolOptions;
	},

	set bool(opt) {
	Object.assign(resolveSeq.boolOptions, opt);
	},

	get int() {
	return resolveSeq.intOptions;
	},

	set int(opt) {
	Object.assign(resolveSeq.intOptions, opt);
	},

	get null() {
	return resolveSeq.nullOptions;
	},

	set null(opt) {
	Object.assign(resolveSeq.nullOptions, opt);
	},

	get str() {
	return resolveSeq.strOptions;
	},

	set str(opt) {
	Object.assign(resolveSeq.strOptions, opt);
	}

	};
	const documentOptions = {
	'1.0': {
	schema: 'yaml-1.1',
	merge: true,
	tagPrefixes: [{
	handle: '!',
	prefix: PlainValue.defaultTagPrefix
	}, {
	handle: '!!',
	prefix: 'tag:private.yaml.org,2002:'
	}]
	},
	1.1: {
	schema: 'yaml-1.1',
	merge: true,
	tagPrefixes: [{
	handle: '!',
	prefix: '!'
	}, {
	handle: '!!',
	prefix: PlainValue.defaultTagPrefix
	}]
	},
	1.2: {
	schema: 'core',
	merge: false,
	tagPrefixes: [{
	handle: '!',
	prefix: '!'
	}, {
	handle: '!!',
	prefix: PlainValue.defaultTagPrefix
	}]
	}
	};

	function stringifyTag(doc, tag) {
	if ((doc.version \|\| doc.options.version) === '1.0') {
	const priv = tag.match(/^tag:private\.yaml\.org,2002:([^:/]+)$/);
	if (priv) return '!' + priv[1];
	const vocab = tag.match(/^tag:([a-zA-Z0-9-]+)\.yaml\.org,2002:(.*)/);
	return vocab ? `!${vocab[1]}/${vocab[2]}` : `!${tag.replace(/^tag:/, '')}`;
	}

	let p = doc.tagPrefixes.find(p => tag.indexOf(p.prefix) === 0);

	if (!p) {
	const dtp = doc.getDefaults().tagPrefixes;
	p = dtp && dtp.find(p => tag.indexOf(p.prefix) === 0);
	}

	if (!p) return tag[0] === '!' ? tag : `!<${tag}>`;
	const suffix = tag.substr(p.prefix.length).replace(/[!,[\]{}]/g, ch => ({
	'!': '%21',
	',': '%2C',
	'[': '%5B',
	']': '%5D',
	'{': '%7B',
	'}': '%7D'
	})[ch]);
	return p.handle + suffix;
	}

	function getTagObject(tags, item) {
	if (item instanceof resolveSeq.Alias) return resolveSeq.Alias;

	if (item.tag) {
	const match = tags.filter(t => t.tag === item.tag);
	if (match.length > 0) return match.find(t => t.format === item.format) \|\| match[0];
	}

	let tagObj, obj;

	if (item instanceof resolveSeq.Scalar) {
	obj = item.value; // TODO: deprecate/remove class check

	const match = tags.filter(t => t.identify && t.identify(obj) \|\| t.class && obj instanceof t.class);
	tagObj = match.find(t => t.format === item.format) \|\| match.find(t => !t.format);
	} else {
	obj = item;
	tagObj = tags.find(t => t.nodeClass && obj instanceof t.nodeClass);
	}

	if (!tagObj) {
	const name = obj && obj.constructor ? obj.constructor.name : typeof obj;
	throw new Error(`Tag not resolved for ${name} value`);
	}

	return tagObj;
	} // needs to be called before value stringifier to allow for circular anchor refs


	function stringifyProps(node, tagObj, {
	anchors,
	doc
	}) {
	const props = [];
	const anchor = doc.anchors.getName(node);

	if (anchor) {
	anchors[anchor] = node;
	props.push(`&${anchor}`);
	}

	if (node.tag) {
	props.push(stringifyTag(doc, node.tag));
	} else if (!tagObj.default) {
	props.push(stringifyTag(doc, tagObj.tag));
	}

	return props.join(' ');
	}

	function stringify(item, ctx, onComment, onChompKeep) {
	const {
	anchors,
	schema
	} = ctx.doc;
	let tagObj;

	if (!(item instanceof resolveSeq.Node)) {
	const createCtx = {
	aliasNodes: [],
	onTagObj: o => tagObj = o,
	prevObjects: new Map()
	};
	item = schema.createNode(item, true, null, createCtx);

	for (const alias of createCtx.aliasNodes) {
	alias.source = alias.source.node;
	let name = anchors.getName(alias.source);

	if (!name) {
	name = anchors.newName();
	anchors.map[name] = alias.source;
	}
	}
	}

	if (item instanceof resolveSeq.Pair) return item.toString(ctx, onComment, onChompKeep);
	if (!tagObj) tagObj = getTagObject(schema.tags, item);
	const props = stringifyProps(item, tagObj, ctx);
	if (props.length > 0) ctx.indentAtStart = (ctx.indentAtStart \|\| 0) + props.length + 1;
	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);
	if (!props) return str;
	return item instanceof resolveSeq.Scalar \|\| str[0] === '{' \|\| str[0] === '[' ? `${props} ${str}` : `${props}\n${ctx.indent}${str}`;
	}

	class Anchors {
	static validAnchorNode(node) {
	return node instanceof resolveSeq.Scalar \|\| node instanceof resolveSeq.YAMLSeq \|\| node instanceof resolveSeq.YAMLMap;
	}

	constructor(prefix) {
	PlainValue._defineProperty(this, "map", Object.create(null));

	this.prefix = prefix;
	}

	createAlias(node, name) {
	this.setAnchor(node, name);
	return new resolveSeq.Alias(node);
	}

	createMergePair(...sources) {
	const merge = new resolveSeq.Merge();
	merge.value.items = sources.map(s => {
	if (s instanceof resolveSeq.Alias) {
	if (s.source instanceof resolveSeq.YAMLMap) return s;
	} else if (s instanceof resolveSeq.YAMLMap) {
	return this.createAlias(s);
	}

	throw new Error('Merge sources must be Map nodes or their Aliases');
	});
	return merge;
	}

	getName(node) {
	const {
	map
	} = this;
	return Object.keys(map).find(a => map[a] === node);
	}

	getNames() {
	return Object.keys(this.map);
	}

	getNode(name) {
	return this.map[name];
	}

	newName(prefix) {
	if (!prefix) prefix = this.prefix;
	const names = Object.keys(this.map);

	for (let i = 1; true; ++i) {
	const name = `${prefix}${i}`;
	if (!names.includes(name)) return name;
	}
	} // During parsing, map & aliases contain CST nodes


	resolveNodes() {
	const {
	map,
	_cstAliases
	} = this;
	Object.keys(map).forEach(a => {
	map[a] = map[a].resolved;
	});

	_cstAliases.forEach(a => {
	a.source = a.source.resolved;
	});

	delete this._cstAliases;
	}

	setAnchor(node, name) {
	if (node != null && !Anchors.validAnchorNode(node)) {
	throw new Error('Anchors may only be set for Scalar, Seq and Map nodes');
	}

	if (name && /[\x00-\x19\s,[\]{}]/.test(name)) {
	throw new Error('Anchor names must not contain whitespace or control characters');
	}

	const {
	map
	} = this;
	const prev = node && Object.keys(map).find(a => map[a] === node);

	if (prev) {
	if (!name) {
	return prev;
	} else if (prev !== name) {
	delete map[prev];
	map[name] = node;
	}
	} else {
	if (!name) {
	if (!node) return null;
	name = this.newName();
	}

	map[name] = node;
	}

	return name;
	}

	}

	const visit = (node, tags) => {
	if (node && typeof node === 'object') {
	const {
	tag
	} = node;

	if (node instanceof resolveSeq.Collection) {
	if (tag) tags[tag] = true;
	node.items.forEach(n => visit(n, tags));
	} else if (node instanceof resolveSeq.Pair) {
	visit(node.key, tags);
	visit(node.value, tags);
	} else if (node instanceof resolveSeq.Scalar) {
	if (tag) tags[tag] = true;
	}
	}

	return tags;
	};

	const listTagNames = node => Object.keys(visit(node, {}));

	function parseContents(doc, contents) {
	const comments = {
	before: [],
	after: []
	};
	let body = undefined;
	let spaceBefore = false;

	for (const node of contents) {
	if (node.valueRange) {
	if (body !== undefined) {
	const msg = 'Document contains trailing content not separated by a ... or --- line';
	doc.errors.push(new PlainValue.YAMLSyntaxError(node, msg));
	break;
	}

	const res = resolveSeq.resolveNode(doc, node);

	if (spaceBefore) {
	res.spaceBefore = true;
	spaceBefore = false;
	}

	body = res;
	} else if (node.comment !== null) {
	const cc = body === undefined ? comments.before : comments.after;
	cc.push(node.comment);
	} else if (node.type === PlainValue.Type.BLANK_LINE) {
	spaceBefore = true;

	if (body === undefined && comments.before.length > 0 && !doc.commentBefore) {
	// space-separated comments at start are parsed as document comments
	doc.commentBefore = comments.before.join('\n');
	comments.before = [];
	}
	}
	}

	doc.contents = body \|\| null;

	if (!body) {
	doc.comment = comments.before.concat(comments.after).join('\n') \|\| null;
	} else {
	const cb = comments.before.join('\n');

	if (cb) {
	const cbNode = body instanceof resolveSeq.Collection && body.items[0] ? body.items[0] : body;
	cbNode.commentBefore = cbNode.commentBefore ? `${cb}\n${cbNode.commentBefore}` : cb;
	}

	doc.comment = comments.after.join('\n') \|\| null;
	}
	}

	function resolveTagDirective({
	tagPrefixes
	}, directive) {
	const [handle, prefix] = directive.parameters;

	if (!handle \|\| !prefix) {
	const msg = 'Insufficient parameters given for %TAG directive';
	throw new PlainValue.YAMLSemanticError(directive, msg);
	}

	if (tagPrefixes.some(p => p.handle === handle)) {
	const msg = 'The %TAG directive must only be given at most once per handle in the same document.';
	throw new PlainValue.YAMLSemanticError(directive, msg);
	}

	return {
	handle,
	prefix
	};
	}

	function resolveYamlDirective(doc, directive) {
	let [version] = directive.parameters;
	if (directive.name === 'YAML:1.0') version = '1.0';

	if (!version) {
	const msg = 'Insufficient parameters given for %YAML directive';
	throw new PlainValue.YAMLSemanticError(directive, msg);
	}

	if (!documentOptions[version]) {
	const v0 = doc.version \|\| doc.options.version;
	const msg = `Document will be parsed as YAML ${v0} rather than YAML ${version}`;
	doc.warnings.push(new PlainValue.YAMLWarning(directive, msg));
	}

	return version;
	}

	function parseDirectives(doc, directives, prevDoc) {
	const directiveComments = [];
	let hasDirectives = false;

	for (const directive of directives) {
	const {
	comment,
	name
	} = directive;

	switch (name) {
	case 'TAG':
	try {
	doc.tagPrefixes.push(resolveTagDirective(doc, directive));
	} catch (error) {
	doc.errors.push(error);
	}

	hasDirectives = true;
	break;

	case 'YAML':
	case 'YAML:1.0':
	if (doc.version) {
	const msg = 'The %YAML directive must only be given at most once per document.';
	doc.errors.push(new PlainValue.YAMLSemanticError(directive, msg));
	}

	try {
	doc.version = resolveYamlDirective(doc, directive);
	} catch (error) {
	doc.errors.push(error);
	}

	hasDirectives = true;
	break;

	default:
	if (name) {
	const msg = `YAML only supports %TAG and %YAML directives, and not %${name}`;
	doc.warnings.push(new PlainValue.YAMLWarning(directive, msg));
	}

	}

	if (comment) directiveComments.push(comment);
	}

	if (prevDoc && !hasDirectives && '1.1' === (doc.version \|\| prevDoc.version \|\| doc.options.version)) {
	const copyTagPrefix = ({
	handle,
	prefix
	}) => ({
	handle,
	prefix
	});

	doc.tagPrefixes = prevDoc.tagPrefixes.map(copyTagPrefix);
	doc.version = prevDoc.version;
	}

	doc.commentBefore = directiveComments.join('\n') \|\| null;
	}

	function assertCollection(contents) {
	if (contents instanceof resolveSeq.Collection) return true;
	throw new Error('Expected a YAML collection as document contents');
	}

	class Document {
	constructor(options) {
	this.anchors = new Anchors(options.anchorPrefix);
	this.commentBefore = null;
	this.comment = null;
	this.contents = null;
	this.directivesEndMarker = null;
	this.errors = [];
	this.options = options;
	this.schema = null;
	this.tagPrefixes = [];
	this.version = null;
	this.warnings = [];
	}

	add(value) {
	assertCollection(this.contents);
	return this.contents.add(value);
	}

	addIn(path, value) {
	assertCollection(this.contents);
	this.contents.addIn(path, value);
	}

	delete(key) {
	assertCollection(this.contents);
	return this.contents.delete(key);
	}

	deleteIn(path) {
	if (resolveSeq.isEmptyPath(path)) {
	if (this.contents == null) return false;
	this.contents = null;
	return true;
	}

	assertCollection(this.contents);
	return this.contents.deleteIn(path);
	}

	getDefaults() {
	return Document.defaults[this.version] \|\| Document.defaults[this.options.version] \|\| {};
	}

	get(key, keepScalar) {
	return this.contents instanceof resolveSeq.Collection ? this.contents.get(key, keepScalar) : undefined;
	}

	getIn(path, keepScalar) {
	if (resolveSeq.isEmptyPath(path)) return !keepScalar && this.contents instanceof resolveSeq.Scalar ? this.contents.value : this.contents;
	return this.contents instanceof resolveSeq.Collection ? this.contents.getIn(path, keepScalar) : undefined;
	}

	has(key) {
	return this.contents instanceof resolveSeq.Collection ? this.contents.has(key) : false;
	}

	hasIn(path) {
	if (resolveSeq.isEmptyPath(path)) return this.contents !== undefined;
	return this.contents instanceof resolveSeq.Collection ? this.contents.hasIn(path) : false;
	}

	set(key, value) {
	assertCollection(this.contents);
	this.contents.set(key, value);
	}

	setIn(path, value) {
	if (resolveSeq.isEmptyPath(path)) this.contents = value;else {
	assertCollection(this.contents);
	this.contents.setIn(path, value);
	}
	}

	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;

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