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40 lines
913 B
40 lines
913 B
'use strict';
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const yaml = require('js-yaml');
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function isYAMLBlock(text) {
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return !!text.match(/^<!-- YAML/);
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}
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exports.isYAMLBlock = isYAMLBlock;
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function arrify(value) {
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return Array.isArray(value) ? value : [value];
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}
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function extractAndParseYAML(text) {
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text = text.trim();
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text = text.replace(/^<!-- YAML/, '')
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.replace(/-->$/, '');
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// js-yaml.safeLoad() throws on error
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const meta = yaml.safeLoad(text);
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const added = meta.added || meta.Added;
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if (added) {
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// Since semver-minors can trickle down to previous major versions,
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// features may have been added in multiple versions.
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meta.added = arrify(added);
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}
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const deprecated = meta.deprecated || meta.Deprecated;
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if (deprecated) {
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// Treat deprecated like added for consistency.
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meta.deprecated = arrify(deprecated);
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}
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return meta;
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}
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exports.extractAndParseYAML = extractAndParseYAML;
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