From: Eduardo San Martin Morote <posva13@gmail.com>
Date: Sat, 12 Oct 2019 15:31:32 +0000 (+0200)
Subject: chore: add __DEV__ global variable
X-Git-Tag: v4.0.0-alpha.0~194
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e58a2ceed8a1432a9503bb18bdb056680172da6;p=thirdparty%2Fvuejs%2Frouter.git

chore: add __DEV__ global variable
---

diff --git a/jest.config.js b/jest.config.js
index 7c39bcb9..74f91374 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,5 +1,10 @@
 module.exports = {
   preset: 'ts-jest',
+  globals: {
+    __DEV__: true,
+  },
+  coverageDirectory: 'coverage',
+  coverageReporters: ['html', 'lcov', 'text'],
   collectCoverageFrom: ['src/**/*.ts'],
   coveragePathIgnorePatterns: [
     '/node_modules/',
@@ -7,10 +12,6 @@ module.exports = {
     'src/entries',
     'src/consola.ts',
   ],
-  testMatch: [
-    '**/__tests__/**/*.spec.ts?(x)',
-    // '**/__tests__/**/*.spec.[jt]s?(x)',
-    // '**/?(*.)+(spec|test).[jt]s?(x)',
-  ],
+  testMatch: ['<rootDir>/__tests__/**/*.spec.ts?(x)'],
   testEnvironment: 'node',
 }
diff --git a/rollup.config.js b/rollup.config.js
index f771eca3..a1b8222b 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -32,13 +32,20 @@ function createEntry(
 ) {
   // force production mode when minifying
   if (minify) env = 'production'
+  const isProductionBuild =
+    process.env.__DEV__ === 'false' || env === 'production'
+  const isBundlerESMBuild = format === 'es'
 
   const config = {
     input,
     plugins: [
       replace({
-        __VERSION__: pkg.version,
-        'process.env.NODE_ENV': `'${env}'`,
+        __VERSION__: JSON.stringify(pkg.version),
+        __DEV__: isBundlerESMBuild
+          ? // preserve to be handled by bundlers
+            `process.env.NODE_ENV !== 'production'`
+          : // hard coded dev/prod builds
+            !isProductionBuild,
       }),
       alias({
         resolve: ['ts'],
diff --git a/src/global.d.ts b/src/global.d.ts
new file mode 100644
index 00000000..ca93dc0d
--- /dev/null
+++ b/src/global.d.ts
@@ -0,0 +1,2 @@
+// Global compile-time constants
+declare var __DEV__: boolean
diff --git a/tsconfig.json b/tsconfig.json
index 5a537c38..5e768d79 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "include": ["src/**/*.ts", "__tests__/**/*.ts"],
+  "include": ["src/global.d.ts", "src/**/*.ts", "__tests__/**/*.ts"],
   "compilerOptions": {
     "target": "esnext",
     "module": "commonjs",