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rOACCT/node_modules/yaml/dist/test-events.js
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test-events.js
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			'use strict';

			var parseCst = require('./parse-cst.js');
			var Document = require('./Document-9b4560a1.js');
			require('./PlainValue-ec8e588e.js');
			require('./resolveSeq-d03cb037.js');
			require('./Schema-88e323a7.js');
			require('./warnings-1000a372.js');

			function testEvents(src, options) {
			const opt = Object.assign({
			keepCstNodes: true,
			keepNodeTypes: true,
			version: '1.2'
			}, options);
			const docs = parseCst.parse(src).map(cstDoc => new Document.Document(opt).parse(cstDoc));
			const errDoc = docs.find(doc => doc.errors.length > 0);
			const error = errDoc ? errDoc.errors[0].message : null;
			const events = ['+STR'];

			try {
			for (let i = 0; i < docs.length; ++i) {
			const doc = docs[i];
			let root = doc.contents;
			if (Array.isArray(root)) root = root[0];
			const [rootStart, rootEnd] = doc.range \|\| [0, 0];
			let e = doc.errors[0] && doc.errors[0].source;
			if (e && e.type === 'SEQ_ITEM') e = e.node;
			if (e && (e.type === 'DOCUMENT' \|\| e.range.start < rootStart)) throw new Error();
			let docStart = '+DOC';
			const pre = src.slice(0, rootStart);
			const explicitDoc = /---\s*$/.test(pre);
			if (explicitDoc) docStart += ' ---';else if (!doc.contents) continue;
			events.push(docStart);
			addEvents(events, doc, e, root);
			if (doc.contents && doc.contents.length > 1) throw new Error();
			let docEnd = '-DOC';

			if (rootEnd) {
			const post = src.slice(rootEnd);
			if (/^\.\.\./.test(post)) docEnd += ' ...';
			}

			events.push(docEnd);
			}
			} catch (e) {
			return {
			events,
			error: error \|\| e
			};
			}

			events.push('-STR');
			return {
			events,
			error
			};
			}

			function addEvents(events, doc, e, node) {
			if (!node) {
			events.push('=VAL :');
			return;
			}

			if (e && node.cstNode === e) throw new Error();
			let props = '';
			let anchor = doc.anchors.getName(node);

			if (anchor) {
			if (/\d$/.test(anchor)) {
			const alt = anchor.replace(/\d$/, '');
			if (doc.anchors.getNode(alt)) anchor = alt;
			}

			props = ` &${anchor}`;
			}

			if (node.cstNode && node.cstNode.tag) {
			const {
			handle,
			suffix
			} = node.cstNode.tag;
			props += handle === '!' && !suffix ? ' <!>' : ` <${node.tag}>`;
			}

			let scalar = null;

			switch (node.type) {
			case 'ALIAS':
			{
			let alias = doc.anchors.getName(node.source);

			if (/\d$/.test(alias)) {
			const alt = alias.replace(/\d$/, '');
			if (doc.anchors.getNode(alt)) alias = alt;
			}

			events.push(`=ALI${props} *${alias}`);
			}
			break;

			case 'BLOCK_FOLDED':
			scalar = '>';
			break;

			case 'BLOCK_LITERAL':
			scalar = '\|';
			break;

			case 'PLAIN':
			scalar = ':';
			break;

			case 'QUOTE_DOUBLE':
			scalar = '"';
			break;

			case 'QUOTE_SINGLE':
			scalar = "'";
			break;

			case 'PAIR':
			events.push(`+MAP${props}`);
			addEvents(events, doc, e, node.key);
			addEvents(events, doc, e, node.value);
			events.push('-MAP');
			break;

			case 'FLOW_SEQ':
			case 'SEQ':
			events.push(`+SEQ${props}`);
			node.items.forEach(item => {
			addEvents(events, doc, e, item);
			});
			events.push('-SEQ');
			break;

			case 'FLOW_MAP':
			case 'MAP':
			events.push(`+MAP${props}`);
			node.items.forEach(({
			key,
			value
			}) => {
			addEvents(events, doc, e, key);
			addEvents(events, doc, e, value);
			});
			events.push('-MAP');
			break;

			default:
			throw new Error(`Unexpected node type ${node.type}`);
			}

			if (scalar) {
			const value = node.cstNode.strValue.replace(/\\/g, '\\\\').replace(/\0/g, '\\0').replace(/\x07/g, '\\a').replace(/\x08/g, '\\b').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\v/g, '\\v').replace(/\f/g, '\\f').replace(/\r/g, '\\r').replace(/\x1b/g, '\\e');
			events.push(`=VAL${props} ${scalar}${value}`);
			}
			}

			exports.testEvents = testEvents;