diff --git a/patches/node/.patches b/patches/node/.patches index c2d74c7e695a..e9e80036004f 100644 --- a/patches/node/.patches +++ b/patches/node/.patches @@ -51,3 +51,4 @@ fixup_for_error_declaration_shadows_a_local_variable.patch fixup_for_wc_98-compat-extra-semi.patch drop_deserializerequest_move_constructor_for_c_20_compat.patch fix_parallel_test-v8-stats.patch +fix_expose_the_built-in_electron_module_via_the_esm_loader.patch diff --git a/patches/node/fix_expose_the_built-in_electron_module_via_the_esm_loader.patch b/patches/node/fix_expose_the_built-in_electron_module_via_the_esm_loader.patch new file mode 100644 index 000000000000..e70d970682d4 --- /dev/null +++ b/patches/node/fix_expose_the_built-in_electron_module_via_the_esm_loader.patch @@ -0,0 +1,87 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Samuel Attard +Date: Thu, 6 Oct 2022 04:09:16 -0700 +Subject: fix: expose the built-in electron module via the ESM loader + +This allows usage of `import { app } from 'electron'` and `import('electron')` natively in the browser + non-sandboxed renderer + +diff --git a/lib/internal/modules/esm/get_format.js b/lib/internal/modules/esm/get_format.js +index 5ae0e17dcfb5e24a1a117c33c4d42891686e693f..619fe6cef3b02eb575410225f41d3e7d51f37b93 100644 +--- a/lib/internal/modules/esm/get_format.js ++++ b/lib/internal/modules/esm/get_format.js +@@ -31,6 +31,7 @@ const protocolHandlers = ObjectAssign(ObjectCreate(null), { + 'http:': getHttpProtocolModuleFormat, + 'https:': getHttpProtocolModuleFormat, + 'node:'() { return 'builtin'; }, ++ 'electron:'() { return 'commonjs'; }, + }); + + function getDataProtocolModuleFormat(parsed) { +diff --git a/lib/internal/modules/esm/resolve.js b/lib/internal/modules/esm/resolve.js +index fc5dcd6863dc358102a74bd2cc723d54436fae64..97eea17d815967671a2a0fc2a9c95a9bb85947ac 100644 +--- a/lib/internal/modules/esm/resolve.js ++++ b/lib/internal/modules/esm/resolve.js +@@ -883,6 +883,8 @@ function parsePackageName(specifier, base) { + return { packageName, packageSubpath, isScoped }; + } + ++const electronSpecifiers = new SafeSet(['electron', 'electron/main', 'electron/common', 'electron/renderer']); ++ + /** + * @param {string} specifier + * @param {string | URL | undefined} base +@@ -895,6 +897,10 @@ function packageResolve(specifier, base, conditions) { + return new URL('node:' + specifier); + } + ++ if (electronSpecifiers.has(specifier)) { ++ return new URL('electron:electron'); ++ } ++ + const { packageName, packageSubpath, isScoped } = + parsePackageName(specifier, base); + +@@ -1095,7 +1101,7 @@ function checkIfDisallowedImport(specifier, parsed, parsedParentURL) { + + function throwIfUnsupportedURLProtocol(url) { + if (url.protocol !== 'file:' && url.protocol !== 'data:' && +- url.protocol !== 'node:') { ++ url.protocol !== 'node:' && url.protocol !== 'electron:') { + throw new ERR_UNSUPPORTED_ESM_URL_SCHEME(url); + } + } +diff --git a/lib/internal/modules/esm/translators.js b/lib/internal/modules/esm/translators.js +index 8fb3c96f8dc4c535c3898755f7846ae24d9867c4..bda3ca0797e8f1b1d69295c2276c0f841cae99f2 100644 +--- a/lib/internal/modules/esm/translators.js ++++ b/lib/internal/modules/esm/translators.js +@@ -155,7 +155,7 @@ translators.set('commonjs', async function commonjsStrategy(url, source, + + if (!cjsParse) await initCJSParse(); + const { module, exportNames } = cjsPreparseModuleExports(filename); +- const namesWithDefault = exportNames.has('default') ? ++ const namesWithDefault = filename === 'electron' ? ['default', ...Object.keys(module.exports)] : exportNames.has('default') ? + [...exportNames] : ['default', ...exportNames]; + + return new ModuleWrap(url, undefined, namesWithDefault, function() { +@@ -174,7 +174,7 @@ translators.set('commonjs', async function commonjsStrategy(url, source, + } + } + +- for (const exportName of exportNames) { ++ for (const exportName of namesWithDefault) { + if (!ObjectPrototypeHasOwnProperty(exports, exportName) || + exportName === 'default') + continue; +diff --git a/lib/internal/url.js b/lib/internal/url.js +index 22bff28595f6f5b109ae47c79aa1f5ac463ec6c3..d4eb2e044cc1152f48c92d0503f9216e3aad5f4b 100644 +--- a/lib/internal/url.js ++++ b/lib/internal/url.js +@@ -1432,6 +1432,8 @@ function fileURLToPath(path) { + path = new URL(path); + else if (!isURLInstance(path)) + throw new ERR_INVALID_ARG_TYPE('path', ['string', 'URL'], path); ++ if (path.protocol === 'electron:') ++ return 'electron'; + if (path.protocol !== 'file:') + throw new ERR_INVALID_URL_SCHEME('file'); + return isWindows ? getPathFromURLWin32(path) : getPathFromURLPosix(path); diff --git a/spec/modules-spec.ts b/spec/modules-spec.ts index ce00a077f8a8..3654100345b9 100644 --- a/spec/modules-spec.ts +++ b/spec/modules-spec.ts @@ -174,4 +174,16 @@ describe('modules support', () => { }); }); }); + + describe('esm', () => { + it('can load the built-in "electron" module via ESM import', async () => { + await expect(import('electron')).to.eventually.be.ok(); + }); + + it('the built-in "electron" module loaded via ESM import has the same exports as the CJS module', async () => { + const esmElectron = await import('electron'); + const cjsElectron = require('electron'); + expect(Object.keys(esmElectron)).to.deep.equal(Object.keys(cjsElectron)); + }); + }); });