35 lines
895 B
TypeScript
35 lines
895 B
TypeScript
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const yamlKvRegex = /^\s*(\w+):\s*(.*)/;
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const yamlListItemRegex = /^\s*-\s+(.+)/;
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/**
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* Cheap YAML parser to determine tags (ugly, regex based but fast)
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* @param yamlText
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* @returns
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*/
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export function determineTags(yamlText: string): string[] {
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const lines = yamlText.split("\n");
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let inTagsSection = false;
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const tags: string[] = [];
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for (const line of lines) {
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const yamlKv = yamlKvRegex.exec(line);
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if (yamlKv) {
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const [key, value] = yamlKv.slice(1);
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// Looking for a 'tags' key
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if (key === "tags") {
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inTagsSection = true;
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// 'template' there? Yay!
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if (value) {
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tags.push(...value.split(/,\s*/));
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}
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} else {
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inTagsSection = false;
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}
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}
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const yamlListem = yamlListItemRegex.exec(line);
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if (yamlListem && inTagsSection) {
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tags.push(yamlListem[1]);
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}
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}
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return tags;
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}
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