morluto
c923fb0dc9
Compare import and require outcomes for static TypeScript references when compiler options are unknown. Preserve branch facts through worker IR and both graph projections; retain declaration fallbacks as candidates without changing explicitly selected paths. Validation: 210 focused resolver and semantic tests; 21 production-boundary and source-extension tests. A bounded 2,000-reference probe adds about 16–17 ms wall time for dual resolution; full task token costs and real compiled application behavior remain unmeasured.
38 lines
1.4 KiB
TypeScript
38 lines
1.4 KiB
TypeScript
/** Emitted NodeNext suffixes and the TypeScript source counterparts they name. */
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const EMITTED_SUFFIXES: ReadonlyArray<
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readonly [suffix: string, sourceSuffixes: readonly string[]]
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> = [
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[".js", [".ts", ".tsx", ".d.ts"]],
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[".mjs", [".mts", ".d.mts"]],
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[".cjs", [".cts", ".d.cts"]],
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[".jsx", [".tsx", ".d.ts"]],
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];
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export interface TypeScriptEmittedSourceCandidate {
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readonly path: string;
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readonly kind: "implementation" | "declaration";
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}
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/**
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* Return TypeScript source counterparts for an explicit emitted filename.
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* Callers retain exact runtime-file precedence and must not use these for
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* directory/index, URL, HTML, or package target resolution.
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*/
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export const typescriptEmittedSourceCandidates = (
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sourcePath: string,
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candidate: string,
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): readonly TypeScriptEmittedSourceCandidate[] => {
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if (!/\.(?:ts|tsx|mts|cts)$/u.test(sourcePath)) return [];
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const emitted = EMITTED_SUFFIXES.find(([suffix]) =>
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candidate.endsWith(suffix),
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);
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if (emitted === undefined) return [];
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// Strip the matched suffix by length. posix.extname would miss dotfile
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// names such as ".js", whose whole basename is the emitted suffix itself.
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const stem = candidate.slice(0, candidate.length - emitted[0].length);
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return emitted[1].map((suffix) => ({
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path: `${stem}${suffix}`,
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kind: suffix.startsWith(".d.") ? "declaration" : "implementation",
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}));
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};
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