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app_vue/node_modules/yaml/dist/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;