From c070aeb7f411fb1d22ae13e8f1f9b3b6b5529b04 Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Wed, 4 Nov 2020 21:03:37 +0800
Subject: [PATCH] chore: use env variable to choose the webpack version to test

---
 jest-webpack5.config.js | 15 ---------------
 jest.config.js          | 20 +++++++++++++++++++-
 package.json            |  2 +-
 3 files changed, 20 insertions(+), 17 deletions(-)
 delete mode 100644 jest-webpack5.config.js

diff --git a/jest-webpack5.config.js b/jest-webpack5.config.js
deleted file mode 100644
index 5776742dd..000000000
--- a/jest-webpack5.config.js
+++ /dev/null
@@ -1,15 +0,0 @@
-const config = require('./jest.config')
-
-module.exports = {
-  ...config,
-
-  globals: {
-    'ts-jest': {
-      diagnostics: false,
-    },
-  },
-  moduleNameMapper: {
-    '^webpack$': 'webpack5',
-    '^webpack/(.*)': 'webpack5/$1',
-  },
-}
diff --git a/jest.config.js b/jest.config.js
index 245053594..e87a53ff1 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,6 +1,24 @@
-module.exports = {
+const config = {
   preset: 'ts-jest',
   testTimeout: 10000,
   testEnvironment: 'node',
   testPathIgnorePatterns: ['<rootDir>/dist/', '<rootDir>/node_modules/'],
 }
+
+if (process.env.WEBPACK5) {
+  module.exports = {
+    ...config,
+
+    globals: {
+      'ts-jest': {
+        diagnostics: false,
+      },
+    },
+    moduleNameMapper: {
+      '^webpack$': 'webpack5',
+      '^webpack/(.*)': 'webpack5/$1',
+    },
+  }
+} else {
+  module.exports = config
+}
diff --git a/package.json b/package.json
index a07e7bb48..4c4891cef 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "build": "tsc",
     "pretest": "tsc",
     "test": "jest --coverage",
-    "test:webpack5": "jest -c jest-webpack5.config.js --coverage",
+    "test:webpack5": "WEBPACK5=true jest -c --coverage",
     "dev-example": "webpack-dev-server --config example/webpack.config.js --inline --hot",
     "build-example": "rm -rf example/dist && webpack --config example/webpack.config.js --env.prod",
     "lint": "prettier --write --parser typescript \"{src,test}/**/*.{j,t}s\"",