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// Code taken from https://github.com/preactjs/eslint-config-preact/blob/v1.3.0/index.js |
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// and modified to remove all jest mentions, because jest plugin is incompatible with typescript-eslint plugin v6 |
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// (see https://github.com/jest-community/eslint-plugin-jest/pull/1401 for more details) |
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// and to change it from JSM to CJS |
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|
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module.exports = { |
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// TODO: this is really only required for class property initializer methods, which are seeing declining usage. |
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// At some point, we should un-ship the custom parser and let ESLint use esprima. |
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parser: require.resolve('@babel/eslint-parser'), |
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|
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// Currently ignored due to the custom parser. |
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parserOptions: { |
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ecmaVersion: 2020, |
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sourceType: 'module', |
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ecmaFeatures: { |
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modules: true, |
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impliedStrict: true, |
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jsx: true, |
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}, |
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requireConfigFile: false, |
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babelOptions: { |
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plugins: [ |
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'@babel/plugin-syntax-class-properties', |
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[ |
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'@babel/plugin-syntax-decorators', |
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{ decoratorsBeforeExport: false }, |
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], |
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'@babel/plugin-syntax-jsx', |
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], |
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}, |
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}, |
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|
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// We don't use plugin:react/recommended here to avoid React-specific rules. |
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extends: ['eslint:recommended'], |
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|
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// TODO: preact-cli ships Jest now, Mocha may be a candidate for removal. |
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plugins: ['compat', 'react', 'react-hooks'], |
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|
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env: { |
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browser: true, |
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es6: true, |
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node: true, |
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}, |
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|
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globals: { |
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expect: true, |
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browser: true, |
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global: true, |
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}, |
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|
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settings: { |
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// Preact CLI provides these defaults |
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targets: ['last 2 versions'], |
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polyfills: ['fetch', 'Promise'], |
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react: { |
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// eslint-plugin-preact interprets this as "h.createElement", |
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// however we only care about marking h() as being a used variable. |
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pragma: 'h', |
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// We use "react 16.0" to avoid pushing folks to UNSAFE_ methods. |
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version: '16.0', |
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}, |
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}, |
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|
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rules: { |
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/** |
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* Preact / JSX rules |
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*/ |
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'react/no-deprecated': 2, |
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'react/react-in-jsx-scope': 0, // handled this automatically |
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'react/display-name': [1, { ignoreTranspilerName: false }], |
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'react/jsx-no-bind': [ |
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1, |
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{ |
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ignoreRefs: true, |
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allowFunctions: true, |
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allowArrowFunctions: true, |
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}, |
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], |
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'react/jsx-no-comment-textnodes': 2, |
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'react/jsx-no-duplicate-props': 2, |
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'react/jsx-no-target-blank': 2, |
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'react/jsx-no-undef': 2, |
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'react/jsx-tag-spacing': [2, { beforeSelfClosing: 'always' }], |
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'react/jsx-uses-react': 2, // debatable |
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'react/jsx-uses-vars': 2, |
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'react/jsx-key': [2, { checkFragmentShorthand: true }], |
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'react/self-closing-comp': 2, |
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'react/prefer-es6-class': 2, |
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'react/prefer-stateless-function': 1, |
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'react/require-render-return': 2, |
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'react/no-danger': 1, |
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// Legacy APIs not supported in Preact: |
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'react/no-did-mount-set-state': 2, |
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'react/no-did-update-set-state': 2, |
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'react/no-find-dom-node': 2, |
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'react/no-is-mounted': 2, |
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'react/no-string-refs': 2, |
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|
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/** |
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* Hooks |
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*/ |
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'react-hooks/rules-of-hooks': 2, |
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'react-hooks/exhaustive-deps': 1, |
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|
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/** |
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* General JavaScript error avoidance |
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*/ |
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'constructor-super': 2, |
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'no-caller': 2, |
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'no-const-assign': 2, |
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'no-delete-var': 2, |
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'no-dupe-class-members': 2, |
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'no-dupe-keys': 2, |
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'no-duplicate-imports': 2, |
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'no-else-return': 1, |
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'no-empty-pattern': 0, |
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'no-empty': 0, |
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'no-extra-parens': 0, |
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'no-iterator': 2, |
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'no-lonely-if': 2, |
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'no-mixed-spaces-and-tabs': [1, 'smart-tabs'], |
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'no-multi-str': 1, |
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'no-new-wrappers': 2, |
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'no-proto': 2, |
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'no-redeclare': 2, |
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'no-shadow-restricted-names': 2, |
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'no-shadow': 0, |
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'no-spaced-func': 2, |
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'no-this-before-super': 2, |
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'no-undef-init': 2, |
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'no-unneeded-ternary': 2, |
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'no-unused-vars': [ |
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2, |
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{ |
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args: 'after-used', |
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ignoreRestSiblings: true, |
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}, |
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], |
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'no-useless-call': 1, |
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'no-useless-computed-key': 1, |
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'no-useless-concat': 1, |
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'no-useless-constructor': 1, |
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'no-useless-escape': 1, |
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'no-useless-rename': 1, |
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'no-var': 1, |
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'no-with': 2, |
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|
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/** |
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* General JavaScript stylistic rules (disabled) |
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*/ |
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semi: 0, |
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strict: [2, 'never'], // assume type=module output (cli default) |
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'object-curly-spacing': [0, 'always'], |
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'rest-spread-spacing': 0, |
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'space-before-function-paren': [0, 'always'], |
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'space-in-parens': [0, 'never'], |
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'object-shorthand': 1, |
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'prefer-arrow-callback': 1, |
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'prefer-rest-params': 1, |
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'prefer-spread': 1, |
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'prefer-template': 1, |
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quotes: [ |
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0, |
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'single', |
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{ |
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avoidEscape: true, |
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allowTemplateLiterals: true, |
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}, |
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], |
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'quote-props': [2, 'as-needed'], |
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radix: 1, // parseInt(x, 10) |
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'unicode-bom': 2, |
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'valid-jsdoc': 0, |
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}, |
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}; |
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module.exports = { |
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parser: '@typescript-eslint/parser', |
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parserOptions: { |
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project: 'tsconfig.json', |
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tsconfigRootDir: __dirname, |
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sourceType: 'module', |
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}, |
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plugins: ['@typescript-eslint/eslint-plugin'], |
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extends: [ |
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'./.eslint-config-preact-nojest.cjs', |
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'plugin:@typescript-eslint/strict-type-checked', |
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'plugin:prettier/recommended', |
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], |
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root: true, |
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env: { |
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/*node: true, |
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jest: true,*/ |
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}, |
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ignorePatterns: ['.eslintrc.js'], |
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rules: { |
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'@typescript-eslint/no-confusing-void-expression': [ |
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'error', |
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{ ignoreArrowShorthand: true }, |
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], |
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/*'@typescript-eslint/no-invalid-void-type': [ |
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'error', |
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{ allowAsThisParameter: true }, |
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], |
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'@typescript-eslint/interface-name-prefix': 'off', |
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'@typescript-eslint/explicit-function-return-type': 'off', |
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'@typescript-eslint/explicit-module-boundary-types': 'off',*/ |
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}, |
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}; |
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@ -0,0 +1,5 @@ |
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{ |
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"tabWidth": 4, |
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"singleQuote": true, |
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"trailingComma": "all" |
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} |
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