From a3443db923c642de2d73cc0b0bc01f60a1e38faa Mon Sep 17 00:00:00 2001
From: Alan Agius <alan.agius4@gmail.com>
Date: Thu, 2 Apr 2020 11:02:46 +0200
Subject: [PATCH 1/2] feat(@schematics/angular): change `browserslist` file
 name to `.browserslistrc`

Closes: #15961
---
 .../test/browser/scripts-array_spec_large.ts  |  2 +-
 .../application/files/browserslist.template   | 12 -----
 .../migrations/migration-collection.json      |  5 ++
 .../update-10/rename-browserslist-config.ts   | 39 +++++++++++++++
 .../rename-browserslist-config_spec.ts        | 50 +++++++++++++++++++
 .../update-8/differential-loading_spec.ts     |  6 +--
 6 files changed, 96 insertions(+), 18 deletions(-)
 delete mode 100644 packages/schematics/angular/application/files/browserslist.template
 create mode 100644 packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts
 create mode 100644 packages/schematics/angular/migrations/update-10/rename-browserslist-config_spec.ts

diff --git a/packages/angular_devkit/build_angular/test/browser/scripts-array_spec_large.ts b/packages/angular_devkit/build_angular/test/browser/scripts-array_spec_large.ts
index 18b183588747..1b0db06852de 100644
--- a/packages/angular_devkit/build_angular/test/browser/scripts-array_spec_large.ts
+++ b/packages/angular_devkit/build_angular/test/browser/scripts-array_spec_large.ts
@@ -95,7 +95,7 @@ describe('Browser Builder scripts array', () => {
     host.appendToFile('src/main.ts', '\nimport \'./input-script.js\';');
 
     // Enable differential loading
-    host.appendToFile('browserslist', '\nIE 10');
+    host.appendToFile('.browserslistrc', '\nIE 10');
 
     // Remove styles so we don't have to account for them in the index.html order check.
     const { files } = await browserBuild(architect, host, target, {
diff --git a/packages/schematics/angular/application/files/browserslist.template b/packages/schematics/angular/application/files/browserslist.template
deleted file mode 100644
index 80848532e47d..000000000000
--- a/packages/schematics/angular/application/files/browserslist.template
+++ /dev/null
@@ -1,12 +0,0 @@
-# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
-# For additional information regarding the format and rule options, please see:
-# https://github.com/browserslist/browserslist#queries
-
-# You can see what browsers were selected by your queries by running:
-#   npx browserslist
-
-> 0.5%
-last 2 versions
-Firefox ESR
-not dead
-not IE 9-11 # For IE 9-11 support, remove 'not'.
\ No newline at end of file
diff --git a/packages/schematics/angular/migrations/migration-collection.json b/packages/schematics/angular/migrations/migration-collection.json
index c5b8912e3c34..060b8cb57fd7 100644
--- a/packages/schematics/angular/migrations/migration-collection.json
+++ b/packages/schematics/angular/migrations/migration-collection.json
@@ -59,6 +59,11 @@
       "version": "10.0.0-beta.0",
       "factory": "./update-10/update-tslint",
       "description": "Update tslint to version 6."
+    },
+    "rename-browserslist-config": {
+      "version": "10.0.0-beta.0",
+      "factory": "./update-10/rename-browserslist-config",
+      "description": "Renaming Browserslist configurations to '.browserslistrc'."
     }
   }
 }
diff --git a/packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts b/packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts
new file mode 100644
index 000000000000..f5e2efd74500
--- /dev/null
+++ b/packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts
@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+import { Path, join } from '@angular-devkit/core';
+import { DirEntry, Rule } from '@angular-devkit/schematics';
+
+function visit(directory: DirEntry): Path[] {
+  const files: Path[] = [];
+
+  for (const path of directory.subfiles) {
+    if (path !== 'browserslist') {
+      continue;
+    }
+
+    files.push(join(directory.path, path));
+  }
+
+  for (const path of directory.subdirs) {
+    if (path === 'node_modules') {
+      continue;
+    }
+
+    files.push(...visit(directory.dir(path)));
+  }
+
+  return files;
+}
+
+export default function (): Rule {
+  return tree => {
+    for (const path of visit(tree.root)) {
+      tree.rename(path, path.replace(/browserslist$/, '.browserslistrc'));
+    }
+  };
+}
diff --git a/packages/schematics/angular/migrations/update-10/rename-browserslist-config_spec.ts b/packages/schematics/angular/migrations/update-10/rename-browserslist-config_spec.ts
new file mode 100644
index 000000000000..7162b1921032
--- /dev/null
+++ b/packages/schematics/angular/migrations/update-10/rename-browserslist-config_spec.ts
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+import { EmptyTree } from '@angular-devkit/schematics';
+import { SchematicTestRunner, UnitTestTree } from '@angular-devkit/schematics/testing';
+
+describe('Migration to rename Browserslist configurations', () => {
+  const schematicName = 'rename-browserslist-config';
+
+  const schematicRunner = new SchematicTestRunner(
+    'migrations',
+    require.resolve('../migration-collection.json'),
+  );
+
+  let tree: UnitTestTree;
+  beforeEach(() => {
+    tree = new UnitTestTree(new EmptyTree());
+  });
+
+  it(`should rename file 'browserslist' to 'browserslistrc'`, async () => {
+    tree.create('/browserslist', 'IE9');
+    tree.create('/src/app/home/browserslist', 'IE9');
+
+    const newTree = await schematicRunner.runSchematicAsync(schematicName, {}, tree).toPromise();
+    expect(newTree.exists('/.browserslistrc')).toBeTruthy();
+    expect(newTree.exists('/browserslist')).toBeFalsy();
+
+    expect(newTree.exists('/src/app/home/.browserslistrc')).toBeTruthy();
+    expect(newTree.exists('/src/app/home/browserslist')).toBeFalsy();
+  });
+
+  it(`should not rename "browserslist" file in 'node_modules'`, async () => {
+    tree.create('/node_modules/browserslist', 'IE9');
+
+    const newTree = await schematicRunner.runSchematicAsync(schematicName, {}, tree).toPromise();
+    expect(newTree.exists('/node_modules/browserslist')).toBeTruthy();
+    expect(newTree.exists('/node_modules/.browserslistrc')).toBeFalsy();
+  });
+
+  it(`should not rename a folder which is named 'browserslist'`, async () => {
+    tree.create('/app/browserslist/file.txt', 'content');
+
+    const newTree = await schematicRunner.runSchematicAsync(schematicName, {}, tree).toPromise();
+    expect(newTree.exists('/app/browserslist/file.txt')).toBeTruthy();
+  });
+});
diff --git a/packages/schematics/angular/migrations/update-8/differential-loading_spec.ts b/packages/schematics/angular/migrations/update-8/differential-loading_spec.ts
index 70360efb121c..874687ff6d38 100644
--- a/packages/schematics/angular/migrations/update-8/differential-loading_spec.ts
+++ b/packages/schematics/angular/migrations/update-8/differential-loading_spec.ts
@@ -105,14 +105,12 @@ describe('Migration to version 8', () => {
     });
 
     it(`should create browserslist file if it doesn't exist`, async () => {
-      tree.delete('/browserslist');
       const tree2 = await schematicRunner.runSchematicAsync('migration-07', {}, tree.branch()).toPromise();
       expect(tree2.exists('/browserslist')).toBe(true);
     });
 
     it('should move browserslist file if it exists in the sourceRoot', async () => {
       tree.create('/src/browserslist', 'last 2 Chrome versions');
-      tree.delete('/browserslist');
       const tree2 = await schematicRunner.runSchematicAsync('migration-07', {}, tree.branch()).toPromise();
       expect(tree2.exists('/browserslist')).toBe(true);
     });
@@ -191,7 +189,6 @@ describe('Migration to version 8', () => {
     });
 
     it(`should not update projects which browser builder is not 'build-angular:browser'`, async () => {
-      tree.delete('/browserslist');
       const config = JSON.parse(tree.readContent('angular.json'));
       config.projects['migration-test'].architect.build.builder = '@dummy/builders:browser';
 
@@ -201,8 +198,7 @@ describe('Migration to version 8', () => {
     });
 
     it(`should move 'browserslist' to root when 'sourceRoot' is not defined`, async () => {
-      tree.rename('/browserslist', '/src/browserslist');
-      expect(tree.exists('/src/browserslist')).toBe(true);
+      tree.create('/src/browserslist', 'content');
 
       const config = JSON.parse(tree.readContent('angular.json'));
       config.projects['migration-test'].sourceRoot = undefined;

From 05be25fddde4d9c31a92d5d09b33ac59218505cf Mon Sep 17 00:00:00 2001
From: Alan Agius <alan.agius4@gmail.com>
Date: Fri, 3 Apr 2020 09:37:33 +0200
Subject: [PATCH 2/2] test: change `browserslist` file name to
 `.browserslistrc`

---
 .../src/utils/build-browser-features_spec.ts     | 16 ++++++++--------
 .../browser/differential_loading_spec_large.ts   |  4 ++--
 .../test/browser/styles_spec_large.ts            |  4 ++--
 .../test/dev-server/index_spec_large.ts          |  6 +++---
 .../build_angular/test/server/base_spec_large.ts |  2 +-
 .../application/files/.browserslistrc.template   | 12 ++++++++++++
 .../update-10/rename-browserslist-config.ts      | 10 +++-------
 .../{browserslist => .browserslistrc}            |  0
 .../{browserslist => .browserslistrc}            |  0
 .../e2e/tests/i18n/ivy-localize-es2015.ts        |  2 +-
 .../e2e/tests/i18n/ve-localize-es2015.ts         |  2 +-
 tests/legacy-cli/e2e/tests/misc/browsers.ts      |  2 +-
 tests/legacy-cli/e2e/tests/misc/es2015-nometa.ts |  2 +-
 .../e2e/tests/misc/forwardref-es2105.ts          |  2 +-
 tests/legacy-cli/e2e/tests/misc/support-ie.ts    |  4 ++--
 15 files changed, 38 insertions(+), 30 deletions(-)
 create mode 100644 packages/schematics/angular/application/files/.browserslistrc.template
 rename tests/angular_devkit/build_angular/hello-world-app-ve/{browserslist => .browserslistrc} (100%)
 rename tests/angular_devkit/build_angular/hello-world-app/{browserslist => .browserslistrc} (100%)

diff --git a/packages/angular_devkit/build_angular/src/utils/build-browser-features_spec.ts b/packages/angular_devkit/build_angular/src/utils/build-browser-features_spec.ts
index 5d8314623fc8..ac5a200c4a10 100644
--- a/packages/angular_devkit/build_angular/src/utils/build-browser-features_spec.ts
+++ b/packages/angular_devkit/build_angular/src/utils/build-browser-features_spec.ts
@@ -31,7 +31,7 @@ describe('BuildBrowserFeatures', () => {
   describe('isDifferentialLoadingNeeded', () => {
     it('should be true for for IE 9-11 and ES2015', () => {
       host.writeMultipleFiles({
-        'browserslist': 'IE 9-11',
+        '.browserslistrc': 'IE 9-11',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
@@ -43,7 +43,7 @@ describe('BuildBrowserFeatures', () => {
 
     it('should be false for Chrome and ES2015', () => {
       host.writeMultipleFiles({
-        'browserslist': 'last 1 chrome version',
+        '.browserslistrc': 'last 1 chrome version',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
@@ -55,7 +55,7 @@ describe('BuildBrowserFeatures', () => {
 
     it('detects no need for differential loading for target is ES5', () => {
       host.writeMultipleFiles({
-        'browserslist': 'last 1 chrome version',
+        '.browserslistrc': 'last 1 chrome version',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
@@ -67,7 +67,7 @@ describe('BuildBrowserFeatures', () => {
 
     it('should be false for Safari 10.1 when target is ES2015', () => {
       host.writeMultipleFiles({
-        'browserslist': 'Safari 10.1',
+        '.browserslistrc': 'Safari 10.1',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
@@ -81,7 +81,7 @@ describe('BuildBrowserFeatures', () => {
   describe('isFeatureSupported', () => {
     it('should be true for es6-module and Safari 10.1', () => {
       host.writeMultipleFiles({
-        'browserslist': 'Safari 10.1',
+        '.browserslistrc': 'Safari 10.1',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
@@ -93,7 +93,7 @@ describe('BuildBrowserFeatures', () => {
 
     it('should be false for es6-module and IE9', () => {
       host.writeMultipleFiles({
-        'browserslist': 'IE 9',
+        '.browserslistrc': 'IE 9',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
@@ -105,7 +105,7 @@ describe('BuildBrowserFeatures', () => {
 
     it('should be true for es6-module and last 1 chrome version', () => {
       host.writeMultipleFiles({
-        'browserslist': 'last 1 chrome version',
+        '.browserslistrc': 'last 1 chrome version',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
@@ -117,7 +117,7 @@ describe('BuildBrowserFeatures', () => {
 
     it('should be true for es6-module and Edge 18', () => {
       host.writeMultipleFiles({
-        'browserslist': 'Edge 18',
+        '.browserslistrc': 'Edge 18',
       });
 
       const buildBrowserFeatures = new BuildBrowserFeatures(
diff --git a/packages/angular_devkit/build_angular/test/browser/differential_loading_spec_large.ts b/packages/angular_devkit/build_angular/test/browser/differential_loading_spec_large.ts
index dc318ccc2b75..28c67319b87e 100644
--- a/packages/angular_devkit/build_angular/test/browser/differential_loading_spec_large.ts
+++ b/packages/angular_devkit/build_angular/test/browser/differential_loading_spec_large.ts
@@ -18,7 +18,7 @@ describe('Browser Builder with differential loading', () => {
     await host.initialize().toPromise();
     // to trigger differential loading we need an non ever green browser
     host.writeMultipleFiles({
-      browserslist: 'IE 10',
+      '.browserslistrc': 'IE 10',
     });
 
     architect = (await createArchitect(host.root())).architect;
@@ -193,7 +193,7 @@ describe('Browser Builder with differential loading', () => {
 
   it('adds `type="module"` when differential loading is needed', async () => {
     host.writeMultipleFiles({
-      browserslist: `
+      '.browserslistrc': `
         last 1 chrome version
         IE 9
       `,
diff --git a/packages/angular_devkit/build_angular/test/browser/styles_spec_large.ts b/packages/angular_devkit/build_angular/test/browser/styles_spec_large.ts
index e1ae024c4712..2926085fce5b 100644
--- a/packages/angular_devkit/build_angular/test/browser/styles_spec_large.ts
+++ b/packages/angular_devkit/build_angular/test/browser/styles_spec_large.ts
@@ -285,7 +285,7 @@ describe('Browser Builder styles', () => {
         /* normal-comment */
         /*! important-comment */
         div { flex: 1 }`,
-      browserslist: 'IE 10',
+      '.browserslistrc': 'IE 10',
     });
 
     const overrides = { extractCss: true, optimization: false };
@@ -319,7 +319,7 @@ describe('Browser Builder styles', () => {
           grid-template-columns: 100px;
         }
       `,
-      browserslist: 'IE 10',
+      '.browserslistrc': 'IE 10',
     });
 
     const overrides = { extractCss: true, optimization: true, styles: ['src/styles.scss'] };
diff --git a/packages/angular_devkit/build_angular/test/dev-server/index_spec_large.ts b/packages/angular_devkit/build_angular/test/dev-server/index_spec_large.ts
index 22aca8912431..8a19c3bc2873 100644
--- a/packages/angular_devkit/build_angular/test/dev-server/index_spec_large.ts
+++ b/packages/angular_devkit/build_angular/test/dev-server/index_spec_large.ts
@@ -18,7 +18,7 @@ describe('Dev Server Builder index', () => {
 
   it(`adds 'type="module"' when differential loading is needed`, async () => {
     host.writeMultipleFiles({
-      browserslist: `
+      '.browserslistrc': `
         last 1 chrome version
         IE 10
       `,
@@ -41,7 +41,7 @@ describe('Dev Server Builder index', () => {
 
   it(`does not add 'type="module"' to custom scripts when differential loading is needed`, async () => {
     host.writeMultipleFiles({
-      browserslist: `
+      '.browserslistrc': `
         last 1 chrome version
         IE 10
       `,
@@ -85,7 +85,7 @@ describe('Dev Server Builder index', () => {
 
   it(`doesn't 'type="module"' when differential loading is not needed`, async () => {
     host.writeMultipleFiles({
-      browserslist: `
+      '.browserslistrc': `
         last 1 chrome version
       `,
     });
diff --git a/packages/angular_devkit/build_angular/test/server/base_spec_large.ts b/packages/angular_devkit/build_angular/test/server/base_spec_large.ts
index fe41953e9c4e..10c1dd958472 100644
--- a/packages/angular_devkit/build_angular/test/server/base_spec_large.ts
+++ b/packages/angular_devkit/build_angular/test/server/base_spec_large.ts
@@ -57,7 +57,7 @@ describe('Server Builder', () => {
     // the below is needed because of different code paths
     // for polyfills if differential loading is needed
     host.writeMultipleFiles({
-      'browserslist': 'IE 10',
+      '.browserslistrc': 'IE 10',
     });
 
     const run = await architect.scheduleTarget(target);
diff --git a/packages/schematics/angular/application/files/.browserslistrc.template b/packages/schematics/angular/application/files/.browserslistrc.template
new file mode 100644
index 000000000000..80848532e47d
--- /dev/null
+++ b/packages/schematics/angular/application/files/.browserslistrc.template
@@ -0,0 +1,12 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11 # For IE 9-11 support, remove 'not'.
\ No newline at end of file
diff --git a/packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts b/packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts
index f5e2efd74500..0698d2e0198f 100644
--- a/packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts
+++ b/packages/schematics/angular/migrations/update-10/rename-browserslist-config.ts
@@ -8,15 +8,13 @@
 import { Path, join } from '@angular-devkit/core';
 import { DirEntry, Rule } from '@angular-devkit/schematics';
 
-function visit(directory: DirEntry): Path[] {
-  const files: Path[] = [];
-
+function* visit(directory: DirEntry): IterableIterator<string> {
   for (const path of directory.subfiles) {
     if (path !== 'browserslist') {
       continue;
     }
 
-    files.push(join(directory.path, path));
+    yield join(directory.path, path);
   }
 
   for (const path of directory.subdirs) {
@@ -24,10 +22,8 @@ function visit(directory: DirEntry): Path[] {
       continue;
     }
 
-    files.push(...visit(directory.dir(path)));
+    yield* visit(directory.dir(path));
   }
-
-  return files;
 }
 
 export default function (): Rule {
diff --git a/tests/angular_devkit/build_angular/hello-world-app-ve/browserslist b/tests/angular_devkit/build_angular/hello-world-app-ve/.browserslistrc
similarity index 100%
rename from tests/angular_devkit/build_angular/hello-world-app-ve/browserslist
rename to tests/angular_devkit/build_angular/hello-world-app-ve/.browserslistrc
diff --git a/tests/angular_devkit/build_angular/hello-world-app/browserslist b/tests/angular_devkit/build_angular/hello-world-app/.browserslistrc
similarity index 100%
rename from tests/angular_devkit/build_angular/hello-world-app/browserslist
rename to tests/angular_devkit/build_angular/hello-world-app/.browserslistrc
diff --git a/tests/legacy-cli/e2e/tests/i18n/ivy-localize-es2015.ts b/tests/legacy-cli/e2e/tests/i18n/ivy-localize-es2015.ts
index 31b8f3f90f27..5ee1aa36434c 100644
--- a/tests/legacy-cli/e2e/tests/i18n/ivy-localize-es2015.ts
+++ b/tests/legacy-cli/e2e/tests/i18n/ivy-localize-es2015.ts
@@ -9,7 +9,7 @@ export default async function() {
   await setupI18nConfig();
 
   // Ensure a ES2015 build is used.
-  await writeFile('browserslist', 'Chrome 65');
+  await writeFile('.browserslistrc', 'Chrome 65');
   await updateJsonFile('tsconfig.json', config => {
     config.compilerOptions.target = 'es2015';
     config.angularCompilerOptions.disableTypeScriptVersionCheck = true;
diff --git a/tests/legacy-cli/e2e/tests/i18n/ve-localize-es2015.ts b/tests/legacy-cli/e2e/tests/i18n/ve-localize-es2015.ts
index 91194763444a..9b92078b2b2b 100644
--- a/tests/legacy-cli/e2e/tests/i18n/ve-localize-es2015.ts
+++ b/tests/legacy-cli/e2e/tests/i18n/ve-localize-es2015.ts
@@ -22,7 +22,7 @@ export default async function() {
   await npm('install', `${localizeVersion}`);
 
   // Ensure a ES2015 build is used.
-  await writeFile('browserslist', 'Chrome 65');
+  await writeFile('.browserslistrc', 'Chrome 65');
   await updateJsonFile('tsconfig.json', config => {
     config.compilerOptions.target = 'es2015';
     config.angularCompilerOptions.disableTypeScriptVersionCheck = true;
diff --git a/tests/legacy-cli/e2e/tests/misc/browsers.ts b/tests/legacy-cli/e2e/tests/misc/browsers.ts
index 50fa6d76edaa..31d864c3e9ba 100644
--- a/tests/legacy-cli/e2e/tests/misc/browsers.ts
+++ b/tests/legacy-cli/e2e/tests/misc/browsers.ts
@@ -16,7 +16,7 @@ export default async function () {
   }
 
   await replaceInFile(
-    'browserslist',
+    '.browserslistrc',
     'not IE 9-11',
     'Safari 9-10.1\nIE 9-11',
   );
diff --git a/tests/legacy-cli/e2e/tests/misc/es2015-nometa.ts b/tests/legacy-cli/e2e/tests/misc/es2015-nometa.ts
index d283d03be9a7..ef319e184249 100644
--- a/tests/legacy-cli/e2e/tests/misc/es2015-nometa.ts
+++ b/tests/legacy-cli/e2e/tests/misc/es2015-nometa.ts
@@ -3,7 +3,7 @@ import { ng } from '../../utils/process';
 
 export default async function() {
   // Ensure an ES2015 build is used in test
-  await writeFile('browserslist', 'Chrome 65');
+  await writeFile('.browserslistrc', 'Chrome 65');
 
   await ng('generate', 'service', 'user');
 
diff --git a/tests/legacy-cli/e2e/tests/misc/forwardref-es2105.ts b/tests/legacy-cli/e2e/tests/misc/forwardref-es2105.ts
index af0e32ee5c01..497f60aab160 100644
--- a/tests/legacy-cli/e2e/tests/misc/forwardref-es2105.ts
+++ b/tests/legacy-cli/e2e/tests/misc/forwardref-es2105.ts
@@ -4,7 +4,7 @@ import { expectToFail } from '../../utils/utils';
 
 export default async function() {
   // Ensure an ES2015 build is used in test
-  await writeFile('browserslist', 'Chrome 65');
+  await writeFile('.browserslistrc', 'Chrome 65');
 
   // Update the application to use a forward reference
   await replaceInFile(
diff --git a/tests/legacy-cli/e2e/tests/misc/support-ie.ts b/tests/legacy-cli/e2e/tests/misc/support-ie.ts
index 8f174b7059e5..042ff1f15190 100644
--- a/tests/legacy-cli/e2e/tests/misc/support-ie.ts
+++ b/tests/legacy-cli/e2e/tests/misc/support-ie.ts
@@ -14,7 +14,7 @@ export default async function () {
       appArchitect.build.options.es5BrowserSupport = false;
   });
 
-  await writeFile('browserslist', 'last 2 Chrome versions');
+  await writeFile('.browserslistrc', 'last 2 Chrome versions');
   await ng('build');
   await expectFileNotToExist('dist/test-project/polyfills-es5.js');
   await expectFileToMatch('dist/test-project/index.html', oneLineTrim`
@@ -40,7 +40,7 @@ export default async function () {
     const appArchitect = workspaceJson.projects['test-project'].architect;
     appArchitect.build.options.es5BrowserSupport = undefined;
   });
-  await writeFile('browserslist', 'IE 10');
+  await writeFile('.browserslistrc', 'IE 10');
   await ng('build');
   await expectFileToMatch('dist/test-project/polyfills-es5.js', 'core-js');
   await expectFileToMatch('dist/test-project/index.html', oneLineTrim`