fix: add esbuild 0.21 to allowed range (#58)

Author: antongolub

.github/workflows/node.js.yml

@@ -15,21 +15,21 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x]
+        node-version: [16.x, 18.x, 20.x, 22.x]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path
         run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
@@ -43,5 +43,8 @@ jobs:
       - name: Build
         run: yarn workspace esbuild-node-externals build
 
-      - name: Test examples
+      - name: Test unit
+        run: yarn workspace esbuild-node-externals test
+
+      - name: Test examples (integration)
         run: yarn workspace example-basic build

.gitignore

@@ -6,3 +6,4 @@ node_modules
 
 # Build artefacts
 dist
+temp

esbuild-node-externals/package.json

@@ -7,7 +7,8 @@
     "typecheck": "tsc --noEmit",
     "prebuild": "rimraf ./dist",
     "build": "tsc",
-    "watch": "tsc --watch"
+    "watch": "tsc --watch",
+    "test": "node ./test/unit/index.test.mjs"
   },
   "repository": "https://github.com/pradel/esbuild-node-externals.git",
   "author": "Leo Pradel <[email protected]>",
@@ -30,11 +31,11 @@
     "tslib": "^2.4.1"
   },
   "peerDependencies": {
-    "esbuild": "0.12 - 0.20"
+    "esbuild": "0.12 - 0.21"
   },
   "devDependencies": {
     "@types/node": "^18.15.10",
-    "esbuild": "^0.20.0",
+    "esbuild": "^0.21.0",
     "rimraf": "^4.4.1",
     "typescript": "^4.9.4"
   }

esbuild-node-externals/test/fixtures/index.mjs

@@ -0,0 +1,3 @@
+import { __extends } from 'tslib'
+
+console.log(__extends)

esbuild-node-externals/test/fixtures/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "fixture-pkg",
+  "private": true,
+  "dependencies": {
+    "tslib": "*"
+  }
+}

esbuild-node-externals/test/unit/index.test.mjs

@@ -0,0 +1,30 @@
+import assert from 'node:assert'
+import fs from 'node:fs/promises'
+import path from 'node:path'
+import { describe, it } from 'node:test'
+import { fileURLToPath } from 'node:url'
+import { build } from 'esbuild'
+import { nodeExternalsPlugin } from 'esbuild-node-externals'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+
+describe('nodeExternalsPlugin', () => {
+  it('should exclude node_modules from bundle', async () => {
+    const plugin = nodeExternalsPlugin()
+    const config = {
+      absWorkingDir: path.resolve(__dirname, '../fixtures'),
+      entryPoints: ['index.mjs'],
+      outdir: '../temp',
+      bundle: true,
+    }
+    await build(config)
+    const result1 = await fs.readFile(path.resolve(__dirname, '../temp/index.js'), 'utf8')
+    assert.ok(result1.includes('node_modules/tslib/tslib.es6.mjs'), true)
+
+    await build({
+      ...config,
+      plugins: [plugin]
+    })
+    assert.ok(result1.includes('node_modules/tslib/tslib.es6.mjs'), false)
+  })
+})