From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Samuel Attard Date: Wed, 26 Jul 2023 17:03:15 -0700 Subject: fix: do not resolve electron entrypoints This wastes fs cycles and can result in strange behavior if this path actually exists on disk diff --git a/lib/internal/modules/esm/load.js b/lib/internal/modules/esm/load.js index c9d4a3536d0f60375ae623b48ca2fa7095c88d42..d818320fbbc430d06a0c2852e4723981d6e1a844 100644 --- a/lib/internal/modules/esm/load.js +++ b/lib/internal/modules/esm/load.js @@ -109,7 +109,7 @@ async function defaultLoad(url, context = kEmptyObject) { source = null; format ??= 'builtin'; } else if (format !== 'commonjs' || defaultType === 'module') { - if (source == null) { + if (format !== 'electron' && source == null) { ({ responseURL, source } = await getSource(urlInstance, context)); context = { __proto__: context, source }; } diff --git a/lib/internal/modules/esm/translators.js b/lib/internal/modules/esm/translators.js index 0f138b1099b4833176e8a0ce681c745422efc24a..c7dd203e4bd5d611186300d9c0f2255afdf81684 100644 --- a/lib/internal/modules/esm/translators.js +++ b/lib/internal/modules/esm/translators.js @@ -287,6 +287,9 @@ function cjsPreparseModuleExports(filename, source) { if (module && module[kModuleExportNames] !== undefined) { return { module, exportNames: module[kModuleExportNames] }; } + if (filename === 'electron') { + return { module, exportNames: new SafeSet(['default', ...Object.keys(module.exports)]) }; + } const loaded = Boolean(module); if (!loaded) { module = new CJSModule(filename); diff --git a/lib/internal/modules/run_main.js b/lib/internal/modules/run_main.js index ab4783a7982b9feb8fa85b62e3e3b181f93309bd..34f91026451d7347ae278712d083e4fe281e50f3 100644 --- a/lib/internal/modules/run_main.js +++ b/lib/internal/modules/run_main.js @@ -2,6 +2,7 @@ const { StringPrototypeEndsWith, + StringPrototypeStartsWith, globalThis, } = primordials; @@ -26,6 +27,13 @@ const { * @param {string} main - Entry point path */ function resolveMainPath(main) { + // For built-in modules used as the main entry point we _never_ + // want to waste cycles resolving them to file paths on disk + // that actually might exist + if (typeof main === 'string' && StringPrototypeStartsWith(main, 'electron/js2c')) { + return main; + } + const defaultType = getOptionValue('--experimental-default-type'); /** @type {string} */ let mainPath; @@ -62,6 +70,13 @@ function resolveMainPath(main) { * @param {string} mainPath - Absolute path to the main entry point */ function shouldUseESMLoader(mainPath) { + // For built-in modules used as the main entry point we _never_ + // want to waste cycles resolving them to file paths on disk + // that actually might exist + if (typeof mainPath === 'string' && StringPrototypeStartsWith(mainPath, 'electron/js2c')) { + return false; + } + if (getOptionValue('--experimental-default-type') === 'module') { return true; } /**