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| ### Install Angular ESLint | |
| `ng add @angular-eslint/schematics` | |
| ### Install Prettier and Prettier-ESLint dependencies | |
| `npm i prettier prettier-eslint eslint-config-prettier eslint-plugin-prettier -D` | |
| ### ESLint configuration | |
| Filename: `.eslintrc.json` | |
| ```json | |
| { | |
| "root": true, | |
| "ignorePatterns": ["projects/**/*", "src/**/*.spec.ts"], | |
| "overrides": [ | |
| { | |
| "files": ["*.ts"], | |
| "parserOptions": { | |
| "project": ["tsconfig.json"], | |
| "createDefaultProgram": true | |
| }, | |
| "extends": [ | |
| "plugin:@angular-eslint/recommended", | |
| "plugin:@angular-eslint/template/process-inline-templates", | |
| "plugin:prettier/recommended" | |
| ], | |
| "rules": { | |
| "@angular-eslint/component-class-suffix": [ | |
| "error", | |
| { | |
| "suffixes": ["Page", "Component"] | |
| } | |
| ], | |
| "@angular-eslint/component-selector": [ | |
| "error", | |
| { | |
| "type": "element", | |
| "prefix": "app", | |
| "style": "kebab-case" | |
| } | |
| ], | |
| "@angular-eslint/directive-selector": [ | |
| "error", | |
| { | |
| "type": "attribute", | |
| "prefix": "app", | |
| "style": "camelCase" | |
| } | |
| ], | |
| "@angular-eslint/use-lifecycle-interface": [ | |
| "error" | |
| ], | |
| "prettier/prettier": ["error",{ | |
| "endOfLine": "auto"} | |
| ], | |
| "comma-dangle": "off", | |
| "@typescript-eslint/member-ordering": 0, | |
| "@typescript-eslint/naming-convention": 0 | |
| } | |
| }, | |
| { | |
| "files": ["*.html"], | |
| "extends": ["plugin:@angular-eslint/template/recommended"], | |
| "rules": {} | |
| }, | |
| { | |
| "files": ["*.html"], | |
| "excludedFiles": ["*inline-template-*.component.html"], | |
| "extends": ["plugin:prettier/recommended"], | |
| "rules": { | |
| "prettier/prettier": ["error", { "parser": "angular" }] | |
| } | |
| } | |
| ] | |
| } | |
| ``` | |
| ### Prettier Configuration | |
| Filename: `.prettierrc` | |
| ```json | |
| { | |
| "tabWidth": 2, | |
| "useTabs": false, | |
| "singleQuote": true, | |
| "semi": true, | |
| "bracketSpacing": true, | |
| "arrowParens": "avoid", | |
| "trailingComma": "none", | |
| "bracketSameLine": true, | |
| "printWidth": 80, | |
| "endOfLine": "auto" | |
| } | |
| ``` | |
| Filename: `.prettierignore` | |
| ``` | |
| dist | |
| node_modules | |
| ``` | |
| ### VSCode extensions: | |
| ``` | |
| dbaeumer.vscode-eslint | |
| esbenp.prettier-vscode | |
| ``` | |
| ### Add the following to your .vscode/settings.json file: | |
| ``` | |
| "[html]": { | |
| "editor.defaultFormatter": "esbenp.prettier-vscode", | |
| "editor.codeActionsOnSave": { | |
| "source.fixAll.eslint": true | |
| }, | |
| "editor.formatOnSave": true | |
| }, | |
| "[typescript]": { | |
| "editor.defaultFormatter": "esbenp.prettier-vscode", | |
| "editor.codeActionsOnSave": { | |
| "source.fixAll.eslint": true | |
| }, | |
| "editor.formatOnSave": true | |
| }, | |
| "editor.suggest.snippetsPreventQuickSuggestions": false, | |
| "editor.inlineSuggest.enabled": true | |
| ``` | |
| ### Add Fix Lint and Prettier errors command in package.json | |
| `"lint:fix": "ng lint --fix"` | |
| ### Replacing or editing the "lint" block in your angular.json file with | |
| "lint": { | |
| "builder": "@angular-eslint/builder:lint", | |
| "options": { | |
| "eslintConfig": ".eslintrc.json", | |
| "lintFilePatterns": ["src/**/*.ts", "src/**/*.html"] | |
| } | |
| } |
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