29 lines
554 B
TypeScript
29 lines
554 B
TypeScript
export default function isMarkdown(text: string): boolean {
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// code-ish
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const fences = text.match(/^```/gm);
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if (fences && fences.length > 1) {
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return true;
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}
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// link-ish
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if (text.match(/\[[^]+\]\(https?:\/\/\S+\)/gm)) {
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return true;
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}
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if (text.match(/\[[^]+\]\(\/\S+\)/gm)) {
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return true;
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}
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// heading-ish
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if (text.match(/^#{1,6}\s+\S+/gm)) {
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return true;
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}
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// list-ish
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const listItems = text.match(/^([-*]|\d+.)\s\S+/gm);
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if (listItems && listItems.length > 1) {
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return true;
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}
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return false;
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}
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