escape + char at regexp to resolve pnpn issue

.github/workflows/test-pnpm.yml

@@ -0,0 +1,28 @@
+name: test-pnpm
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test-pnpm:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 12
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [22.x]
+        os: [ubuntu-latest]
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}      
+    - uses: pnpm/action-setup@v4
+      with:
+        version: 9
+    - run: npm install
+    - run: npm run build --if-present
+    - run: npm run test-ci-pnpm

CHANGELOG.md

@@ -1,6 +1,8 @@
 # changelog
 
- * 2.6.8 _tbd_
+ * 2.6.8 _Oct.17.2024_
+   * [added pnpm unit-test,](https://github.com/iambumblehead/esmock/pull/315) thanks @darcyrush
+   * [resolve issue for pnpm](https://github.com/iambumblehead/esmock/pull/315) by escaping '+' char in regexp
    * [add log utility function](https://github.com/iambumblehead/esmock/pull/314) for debugging loader
    * [dropped ava and jest](https://github.com/iambumblehead/esmock/pull/314) from test sequence, node v22 --loader issues
  * 2.6.7 _Jul.16.2024_

package.json

@@ -1,7 +1,7 @@
 {
   "name": "esmock",
   "type": "module",
-  "version": "2.6.7",
+  "version": "2.6.8",
   "license": "ISC",
   "readmeFilename": "README.md",
   "description": "provides native ESM import and globals mocking for unit tests",
@@ -75,6 +75,7 @@
     "test:all": "cd tests && npm run test:all",
     "test:all-ci": "cd tests && npm run test:all-ci",
     "test": "npm run test:all",
+    "test-ci-pnpm": "cd tests && cd tests-pnpm && pnpm i && npm run test",
     "test-ci": "npm run test:install && npm run test:all-ci",
     "test-cover": "npm run test:install && c8 npm run test:all",
     "lint": "eslint .",

src/esmockLoader.js

@@ -25,9 +25,14 @@ const isnotfoundRe = /isfound=false/
 const iscommonjsmoduleRe = /^(commonjs|module)$/
 const isstrict3 = /strict=3/
 const hashbangRe = /^(#![^\n]*\n)/
+
+// escape '+' char, pnpm generates long pathnames serialized with these
+const moduleIdEsc = str =>
+  str.indexOf('+') >= 0 ? str.replace(/(?!\\)\+/g, '\\+') : str
+
 // returned regexp will match embedded moduleid w/ treeid
 const moduleIdReCreate = (moduleid, treeid) => new RegExp(
-  `.*(${moduleid}(\\?${treeid}(?:(?!#-#).)*)).*`)
+  `.*(${moduleIdEsc(moduleid)}(\\?${treeid}(?:(?!#-#).)*)).*`)
 
 // node v12.0-v18.x, global
 const mockKeys = global.mockKeys = (global.mockKeys || {})

tests/tests-pnpm/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "scoped-package-mock",
+  "type": "module",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/iambumblehead/esmock.git"
+  },
+  "description": "careful using this and rm -rf. pnpm does not support local file install :|",
+  "scripts": {
+    "test-tsimp": "TSIMP_PROJECT=./test/tsconfig.json node --import tsimp/import --test-reporter spec --test 'test/example.test.ts'",
+    "test-tsx": "TSX_TSCONFIG_PATH=./test/tsconfig.json node --import tsx --test-reporter spec --test 'test/example.test.ts'",
+    "test-tsnode": "TS_NODE_PROJECT=./test/tsconfig.json node --import ./ts-node.register.mjs --test-reporter spec --test 'test/example.test.ts'",
+    "node_modules-esmock:rm": "rm -r node_modules/esmock",
+    "node_modules-esmock:link": "ln -s ../../ node_modules/esmock",
+    "node_modules-esmock": "npm run node_modules-esmock:rm && npm run node_modules-esmock:link",
+    "test": "npm run node_modules-esmock && npm run test-tsnode"
+  },
+  "dependencies": {
+    "@nestjs/core": "^10.3.8",
+    "@nestjs/platform-express": "^10.3.8"
+  },
+  "devDependencies": {
+    "@types/node": "^20.12.7",
+    "ts-node": "^10.9.2",
+    "tsimp": "^2.0.11",
+    "esmock": "latest",
+    "tsx": "^4.9.3",
+    "typescript": "^5.4.5"
+  }
+}

tests/tests-pnpm/src/example.ts

@@ -0,0 +1,7 @@
+import { NestFactory } from "@nestjs/core"
+
+export const example = async () => {
+  const test = await NestFactory.create({} as any)
+  console.log(test)
+  return test
+}

tests/tests-pnpm/src/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "Node16",
+    "moduleResolution": "Node16",
+    "declaration": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "forceConsistentCasingInFileNames": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "strict": true,
+  }
+}

tests/tests-pnpm/test/example.test.ts

@@ -0,0 +1,21 @@
+import { describe, it } from "node:test"
+import { equal } from "node:assert/strict"
+import esmock from "esmock"
+
+describe("Example", async () => {
+  it("Mocks scoped module", async () => {
+    const { example } = await esmock(
+      "../src/example.js",
+      import.meta.url,
+      {
+        "@nestjs/core": {
+          NestFactory: {
+            create: async () => 'mocked'
+          }
+        }
+      }
+    )
+
+    equal(await example(), 'mocked')
+  })
+})

tests/tests-pnpm/test/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "Node16",
+    "moduleResolution": "Node16",
+    "experimentalDecorators": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+  }
+}

tests/tests-pnpm/ts-node.register.mjs

@@ -0,0 +1,6 @@
+// https://github.com/TypeStrong/ts-node/issues/2100
+
+import { pathToFileURL } from "node:url"
+import { register } from "node:module"
+
+register("ts-node/esm", pathToFileURL("./"))