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esm: fallback to readFileSync when source is nullish #50825

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Merged
aduh95 merged 5 commits into from
Nov 29, 2023
Merged

esm: fallback to readFileSync when source is nullish #50825

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e1f1a80
esm: fallback to `getSource` when `load` returns nullish `source`
aduh95 Nov 20, 2023
11c610a
fixup! esm: fallback to `getSource` when `load` returns nullish `source`
aduh95 Nov 21, 2023
b58772c
Apply suggestions from code review
aduh95 Nov 25, 2023
a359b02
remove weird condition
aduh95 Nov 27, 2023
3cde424
fixup! remove weird condition
aduh95 Nov 28, 2023
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fixup! esm: fallback to getSource when load returns nullish source
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@aduh95
aduh95 committed Nov 21, 2023
commit 11c610a4827f1aaa4d3d97124dec5b542f21d4de
9 changes: 7 additions & 2 deletions lib/internal/modules/esm/translators.js
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Original file line number Diff line number Diff line change
Expand Up @@ -60,9 +60,13 @@ const { internalCompileFunction } = require('internal/vm');

// Lazy-loading to avoid circular dependencies.
let getSourceSync;
/**
* @param {Parameters<typeof import('./load').getSourceSync>[0]} url
* @returns {ReturnType<typeof import('./load').getSourceSync>}
*/
function getSource(url) {
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getSourceSync ??= require('internal/modules/esm/load').getSourceSync;
return getSourceSync(url).source;
return getSourceSync(url);
}

/** @type {import('deps/cjs-module-lexer/lexer.js').parse} */
Expand Down Expand Up @@ -283,7 +287,8 @@ function createCJSModuleWrap(url, source, isMain, loadCJS = loadCJSModule) {
debug(`Translating CJSModule ${url}`);

const filename = StringPrototypeStartsWith(url, 'file://') ? fileURLToPath(url) : url;
source = stringify(source ?? getSource(new URL(url)));
// In case the source was not provided by the `load` step, we need fetch it now.
source = stringify(source ?? getSource(new URL(url)).source);

const { exportNames, module } = cjsPreparseModuleExports(filename, source);
cjsCache.set(url, module);
Expand Down