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fix(resolve): ignore null export targets #358

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fix(resolve): ignore null export targets #358

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10 changes: 9 additions & 1 deletion src/resolve.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -290,15 +290,23 @@ function _findSubpath(subpath: string, exports: PackageJson["exports"]) {
}

function _flattenExports(
exports: Exclude<PackageJson["exports"], string> = {},
exports: Exclude<PackageJson["exports"], string> | null = {},
parentSubpath = "./",
): { subpath: string; fsPath: string; condition?: string }[] {
if (exports === null) {
return [];
}

return Object.entries(exports).flatMap(([key, value]) => {
const [subpath, condition] = key.startsWith(".")
? [key.slice(1), undefined]
: ["", key];
const _subPath = joinURL(parentSubpath, subpath);

if (value === null) {
return [];
}

if (typeof value === "string") {
return [{ subpath: _subPath, fsPath: value, condition }];
} else {
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5 changes: 5 additions & 0 deletions test/fixture/package/node_modules/subpaths/package.json
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