20 lines
556 B
TypeScript
20 lines
556 B
TypeScript
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import { parse } from "@babel/parser";
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/** Babel AST produced by REA's inert JavaScript parser boundary. */
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export type ParsedJavaScriptSource = ReturnType<typeof parse>;
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/** Parse JavaScript or TypeScript once without retaining unused comment nodes. */
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export const parseJavaScriptSource = (
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source: string,
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): ParsedJavaScriptSource | null => {
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try {
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return parse(source, {
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sourceType: "unambiguous",
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errorRecovery: true,
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attachComment: false,
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plugins: ["jsx", "typescript"],
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});
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} catch {
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return null;
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}
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};
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