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 449131b9af99744c08d62d73f8d124cef5c9cc71..3df06eff63106aece1009d88fd01df2abdf6d943 100644 --- a/lib/internal/modules/esm/load.js +++ b/lib/internal/modules/esm/load.js @@ -132,7 +132,7 @@ 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 5e79fc2c04ffb6006229920cc1ab61b537fed4c0..d62565bf4fe51be41d9ce6ef3ffc04ed34d17e1a 100644 --- a/lib/internal/modules/esm/translators.js +++ b/lib/internal/modules/esm/translators.js @@ -379,6 +379,9 @@ function cjsPreparseModuleExports(filename, source) { if (cached) { return { module, exportNames: cached.exportNames }; } + if (filename === 'electron') { + return { module, exportNames: new SafeSet(['default', ...Object.keys(module.exports)]) }; + } } const loaded = Boolean(module); if (!loaded) { diff --git a/lib/internal/modules/run_main.js b/lib/internal/modules/run_main.js index ca401044c0178c46db9b439b27c440a5d7924c84..dc1a682f0a3cf1ba1095c60bf6a6ca992d6043b3 100644 --- a/lib/internal/modules/run_main.js +++ b/lib/internal/modules/run_main.js @@ -2,6 +2,7 @@ const { StringPrototypeEndsWith, + StringPrototypeStartsWith, } = primordials; const { containsModuleSyntax } = internalBinding('contextify'); @@ -22,6 +23,13 @@ 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; @@ -59,6 +67,13 @@ 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; } /**