Add node_modules

node_modules/yaml/dist/test-events.js

@@ -0,0 +1,134 @@
+'use strict';
+
+var Node = require('./nodes/Node.js');
+var publicApi = require('./public-api.js');
+var visit = require('./visit.js');
+
+const scalarChar = {
+    BLOCK_FOLDED: '>',
+    BLOCK_LITERAL: '|',
+    PLAIN: ':',
+    QUOTE_DOUBLE: '"',
+    QUOTE_SINGLE: "'"
+};
+function anchorExists(doc, anchor) {
+    let found = false;
+    visit.visit(doc, {
+        Value(_key, node) {
+            if (node.anchor === anchor) {
+                found = true;
+                return visit.visit.BREAK;
+            }
+        }
+    });
+    return found;
+}
+// test harness for yaml-test-suite event tests
+function testEvents(src) {
+    const docs = publicApi.parseAllDocuments(src);
+    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] = doc.range || [0];
+            const error = doc.errors[0];
+            if (error && (!error.pos || error.pos[0] < rootStart))
+                throw new Error();
+            let docStart = '+DOC';
+            if (doc.directives.docStart)
+                docStart += ' ---';
+            else if (doc.contents &&
+                doc.contents.range[2] === doc.contents.range[0] &&
+                !doc.contents.anchor &&
+                !doc.contents.tag)
+                continue;
+            events.push(docStart);
+            addEvents(events, doc, error?.pos[0] ?? -1, root);
+            let docEnd = '-DOC';
+            if (doc.directives.docEnd)
+                docEnd += ' ...';
+            events.push(docEnd);
+        }
+    }
+    catch (e) {
+        return { events, error: error ?? e };
+    }
+    events.push('-STR');
+    return { events, error };
+}
+function addEvents(events, doc, errPos, node) {
+    if (!node) {
+        events.push('=VAL :');
+        return;
+    }
+    if (errPos !== -1 && Node.isNode(node) && node.range[0] >= errPos)
+        throw new Error();
+    let props = '';
+    let anchor = Node.isScalar(node) || Node.isCollection(node) ? node.anchor : undefined;
+    if (anchor) {
+        if (/\d$/.test(anchor)) {
+            const alt = anchor.replace(/\d$/, '');
+            if (anchorExists(doc, alt))
+                anchor = alt;
+        }
+        props = ` &${anchor}`;
+    }
+    if (Node.isNode(node) && node.tag)
+        props += ` <${node.tag}>`;
+    if (Node.isMap(node)) {
+        const ev = node.flow ? '+MAP {}' : '+MAP';
+        events.push(`${ev}${props}`);
+        node.items.forEach(({ key, value }) => {
+            addEvents(events, doc, errPos, key);
+            addEvents(events, doc, errPos, value);
+        });
+        events.push('-MAP');
+    }
+    else if (Node.isSeq(node)) {
+        const ev = node.flow ? '+SEQ []' : '+SEQ';
+        events.push(`${ev}${props}`);
+        node.items.forEach(item => {
+            addEvents(events, doc, errPos, item);
+        });
+        events.push('-SEQ');
+    }
+    else if (Node.isPair(node)) {
+        events.push(`+MAP${props}`);
+        addEvents(events, doc, errPos, node.key);
+        addEvents(events, doc, errPos, node.value);
+        events.push('-MAP');
+    }
+    else if (Node.isAlias(node)) {
+        let alias = node.source;
+        if (alias && /\d$/.test(alias)) {
+            const alt = alias.replace(/\d$/, '');
+            if (anchorExists(doc, alt))
+                alias = alt;
+        }
+        events.push(`=ALI${props} *${alias}`);
+    }
+    else {
+        const scalar = scalarChar[String(node.type)];
+        if (!scalar)
+            throw new Error(`Unexpected node type ${node.type}`);
+        const value = node.source
+            .replace(/\\/g, '\\\\')
+            .replace(/\0/g, '\\0')
+            .replace(/\x07/g, '\\a')
+            .replace(/\x08/g, '\\b')
+            .replace(/\t/g, '\\t')
+            .replace(/\n/g, '\\n')
+            .replace(/\v/g, '\\v')
+            .replace(/\f/g, '\\f')
+            .replace(/\r/g, '\\r')
+            .replace(/\x1b/g, '\\e');
+        events.push(`=VAL${props} ${scalar}${value}`);
+    }
+}
+
+exports.testEvents = testEvents;