refactor(@angular/cli): remove support for legacy Angular CLI version 1 configurations

Remove references to legacy Angular CLI version 1 configurations. By now users should have been migrated to use the new configuration.

Author: alan-agius4

CONTRIBUTING.md

@@ -60,7 +60,7 @@ Before you submit an issue, please search the issue tracker, maybe an issue for
 We want to fix all the issues as soon as possible, but before fixing a bug we need to reproduce and confirm it. Having a reproducible scenario gives us wealth of important information without going back & forth to you with additional questions like:
 
 - version of Angular CLI used
-- `.angular-cli.json` or `angular.json` configuration
+- `angular.json` configuration
 - version of Angular DevKit used
 - 3rd-party libraries and their versions
 - and most importantly - a use-case that fails

packages/angular/cli/commands/config-impl.ts

@@ -6,11 +6,11 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import { JsonValue, tags } from '@angular-devkit/core';
+import { JsonValue } from '@angular-devkit/core';
 import { v4 as uuidV4 } from 'uuid';
 import { Command } from '../models/command';
 import { Arguments, CommandScope } from '../models/interface';
-import { getWorkspaceRaw, migrateLegacyGlobalConfig, validateWorkspace } from '../utilities/config';
+import { getWorkspaceRaw, validateWorkspace } from '../utilities/config';
 import { JSONFile, parseJson } from '../utilities/json-file';
 import { Schema as ConfigCommandSchema } from './config';
 
@@ -103,18 +103,7 @@ export class ConfigCommand extends Command<ConfigCommandSchema> {
       await this.validateScope(CommandScope.InProject);
     }
 
-    let [config] = getWorkspaceRaw(level);
-
-    if (options.global && !config) {
-      try {
-        if (migrateLegacyGlobalConfig()) {
-          config = getWorkspaceRaw(level)[0];
-          this.logger.info(tags.oneLine`
-            We found a global configuration that was used in Angular CLI 1.
-            It has been automatically migrated.`);
-        }
-      } catch {}
-    }
+    const [config] = getWorkspaceRaw(level);
 
     if (options.value == undefined) {
       if (!config) {

packages/angular/cli/utilities/config.ts

@@ -144,16 +144,6 @@ export class AngularWorkspace {
   }
 
   static async load(workspaceFilePath: string): Promise<AngularWorkspace> {
-    const oldConfigFileNames = ['.angular-cli.json', 'angular-cli.json'];
-    if (oldConfigFileNames.includes(path.basename(workspaceFilePath))) {
-      // 1.x file format
-      // Create an empty workspace to allow update to be used
-      return new AngularWorkspace(
-        { extensions: {}, projects: new workspaces.ProjectDefinitionCollection() },
-        workspaceFilePath,
-      );
-    }
-
     const result = await workspaces.readWorkspace(
       workspaceFilePath,
       createWorkspaceHost(),
@@ -330,57 +320,6 @@ export async function getConfiguredPackageManager(): Promise<PackageManager | nu
   return result;
 }
 
-export function migrateLegacyGlobalConfig(): boolean {
-  const homeDir = os.homedir();
-  if (homeDir) {
-    const legacyGlobalConfigPath = path.join(homeDir, '.angular-cli.json');
-    if (existsSync(legacyGlobalConfigPath)) {
-      const legacy = readAndParseJson(legacyGlobalConfigPath);
-      if (!isJsonObject(legacy)) {
-        return false;
-      }
-
-      const cli: json.JsonObject = {};
-
-      if (
-        legacy.packageManager &&
-        typeof legacy.packageManager == 'string' &&
-        legacy.packageManager !== 'default'
-      ) {
-        cli['packageManager'] = legacy.packageManager;
-      }
-
-      if (
-        isJsonObject(legacy.defaults) &&
-        isJsonObject(legacy.defaults.schematics) &&
-        typeof legacy.defaults.schematics.collection == 'string'
-      ) {
-        cli['defaultCollection'] = legacy.defaults.schematics.collection;
-      }
-
-      if (isJsonObject(legacy.warnings)) {
-        const warnings: json.JsonObject = {};
-        if (typeof legacy.warnings.versionMismatch == 'boolean') {
-          warnings['versionMismatch'] = legacy.warnings.versionMismatch;
-        }
-
-        if (Object.getOwnPropertyNames(warnings).length > 0) {
-          cli['warnings'] = warnings;
-        }
-      }
-
-      if (Object.getOwnPropertyNames(cli).length > 0) {
-        const globalPath = path.join(homeDir, globalFileName);
-        writeFileSync(globalPath, JSON.stringify({ version: 1, cli }, null, 2));
-
-        return true;
-      }
-    }
-  }
-
-  return false;
-}
-
 export async function getSchematicDefaults(
   collection: string,
   schematic: string,
@@ -452,27 +391,3 @@ export async function isWarningEnabled(warning: string): Promise<boolean> {
   // All warnings are enabled by default
   return result ?? true;
 }
-
-// Fallback, check for packageManager in config file in v1.* global config.
-function getLegacyPackageManager(): string | null {
-  const homeDir = os.homedir();
-  if (homeDir) {
-    const legacyGlobalConfigPath = path.join(homeDir, '.angular-cli.json');
-    if (existsSync(legacyGlobalConfigPath)) {
-      const legacy = readAndParseJson(legacyGlobalConfigPath);
-      if (!isJsonObject(legacy)) {
-        return null;
-      }
-
-      if (
-        legacy.packageManager &&
-        typeof legacy.packageManager === 'string' &&
-        legacy.packageManager !== 'default'
-      ) {
-        return legacy.packageManager;
-      }
-    }
-  }
-
-  return null;
-}

packages/angular/cli/utilities/project.ts

@@ -13,12 +13,7 @@ import * as path from 'path';
 import { findUp } from './find-up';
 
 export function findWorkspaceFile(currentDirectory = process.cwd()): string | null {
-  const possibleConfigFiles = [
-    'angular.json',
-    '.angular.json',
-    'angular-cli.json',
-    '.angular-cli.json',
-  ];
+  const possibleConfigFiles = ['angular.json', '.angular.json'];
   const configFilePath = findUp(possibleConfigFiles, currentDirectory);
   if (configFilePath === null) {
     return null;

packages/angular_devkit/build_angular/test/hello-world-app/src/environments/environment.ts

@@ -9,7 +9,7 @@
 // The file contents for the current environment will overwrite these during build.
 // The build system defaults to the dev environment which uses `environment.ts`, but if you do
 // `ng build --env=prod` then `environment.prod.ts` will be used instead.
-// The list of which env maps to which file can be found in `.angular-cli.json`.
+// The list of which env maps to which file can be found in `angular.json`.
 
 export const environment = {
   production: false,

scripts/templates/contributing.ejs

@@ -60,7 +60,7 @@ Before you submit an issue, please search the issue tracker, maybe an issue for
 We want to fix all the issues as soon as possible, but before fixing a bug we need to reproduce and confirm it. Having a reproducible scenario gives us wealth of important information without going back & forth to you with additional questions like:
 
 - version of Angular CLI used
-- `.angular-cli.json` or `angular.json` configuration
+- `angular.json` configuration
 - version of Angular DevKit used
 - 3rd-party libraries and their versions
 - and most importantly - a use-case that fails