feat: node:module stub mock

Author: ChALkeR

bundler/bundle.js

@@ -295,6 +295,7 @@ export const build = async (...files) => {
     'fs/promises': api('fs-promises.cjs'),
     http: api('http.cjs'),
     https: api('https.cjs'),
+    module: api('module.cjs'),
     os: resolveRequire('os-browserify/browser.js'), // 'main' entry point is noop, we want browser entry
     path: resolveRequire('path-browserify'),
     querystring: resolveRequire('querystring-es3'),

bundler/modules/module.cjs

@@ -0,0 +1,16 @@
+const ids = 'Module,SourceMap,builtinModules,findSourceMap,globalPaths,isBuiltin,runMain'.split(',')
+
+const makeMethod = (key) => {
+  // Not an arrow as there are classes that can be called with new
+  return function () {
+    throw new Error(`module.${key} unsupported in bundled mode`)
+  }
+}
+
+const createRequire = (filename) => (file) => {
+  const clean = file.replace(/^node:/, '')
+  if (globalThis.EXODUS_TEST_MOCK_BUILTINS?.has(clean)) return EXODUS_TEST_MOCK_BUILTINS.get(clean) // eslint-disable-line no-undef
+  throw new Error(`module.createRequire is unsupported in bundled mode (origin: ${filename})`)
+}
+
+module.exports = { ...Object.fromEntries(ids.map((key) => [key, makeMethod(key)])), createRequire }

package.json

@@ -58,6 +58,7 @@
     "bundler/modules/globals.cjs",
     "bundler/modules/jest-message-util.js",
     "bundler/modules/jest-util.js",
+    "bundler/modules/module.cjs",
     "bundler/modules/node-buffer.cjs",
     "bundler/modules/text-encoding-utf.cjs",
     "bundler/modules/tty.cjs",

tests/jest/snapshot.test.js

@@ -256,16 +256,16 @@ it('supports named snapshots', async () => {
 
   // Additionally recheck named snapshot presence
 
-  let createRequire
+  let snapshots
   try {
-    ;({ createRequire } = await import('node:module'))
+    const { createRequire } = await import('node:module')
+    const require = createRequire(import.meta.url)
+    snapshots = require('./__snapshots__/snapshot.test.js.snap')
   } catch {
-    // skip the rest of this test for environments without node:module
+    // skip the rest of this test for environments without dynamic node:module
     return
   }
 
-  const require = createRequire(import.meta.url)
-  const snapshots = require('./__snapshots__/snapshot.test.js.snap')
   if (Object.keys(snapshots).join(',') === 'default') return // Bun can't load .snap that way
   ;[
     'supports named snapshots: public knowledge 1',