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Copy path.eslintrc.js
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119 lines (117 loc) · 3.97 KB
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const reactComponentTypeMessage = {
message:
'This type includes the children prop which is generally wrong, instead of using this type, type the props of the component',
};
module.exports = {
parser: '@typescript-eslint/parser',
env: {
browser: true,
es6: true,
node: true,
jest: true,
},
plugins: ['react', 'react-hooks', 'jest', 'import', '@typescript-eslint'],
settings: {
react: {
version: 'detect',
},
},
rules: {
curly: ['error', 'multi-line'],
'jsx-quotes': 'error',
'no-trailing-spaces': 'error',
'no-undef': 'error',
'no-unused-expressions': 'error',
'react-hooks/rules-of-hooks': 'error',
'react-hooks/exhaustive-deps': 'error',
'@typescript-eslint/no-unused-vars': 'off',
'import/no-extraneous-dependencies': [
'error',
{
devDependencies: [
'**/__tests__/**/*',
'**/*test.*',
'**/tests/**/*',
'**/build/**/*',
`packages/fields/src/**/filterTests.*`,
'**/test-fixtures.*',
],
},
],
'import/no-unresolved': 'error',
'import/order': 'error',
'jest/valid-describe': 'off',
'jest/valid-expect': 'off',
'jest/no-conditional-expect': 'off',
'jest/no-standalone-expect': 'off',
'jest/expect-expect': 'off',
'jest/no-export': 'off',
'jest/valid-title': 'off',
'jest/no-try-expect': 'off',
'jest/no-disabled-tests': 'error',
'object-curly-spacing': ['error', 'always'],
quotes: ['error', 'single', { avoidEscape: true, allowTemplateLiterals: true }],
'react/jsx-boolean-value': 'warn',
'react/jsx-no-undef': 'error',
'react/jsx-uses-react': 'error',
'react/jsx-uses-vars': 'error',
'react/jsx-wrap-multilines': 'warn',
'react/no-did-mount-set-state': 'warn',
'react/no-did-update-set-state': 'warn',
'react/no-unknown-property': 'warn',
'react/react-in-jsx-scope': 'error',
'react/self-closing-comp': 'warn',
'react/sort-prop-types': 'warn',
semi: 'off',
strict: 'off',
'no-restricted-syntax': [
'error',
{
// Curious why we have this rule?
// - Enums only work for a subset of use cases that unions of string literals + objects work for and learning one language feature is easier than learning two language features
// - Enums are a new language feature which have runtime semantics which means they change TypeScript from JS + types to JS + types + extra language features which is harder to teach without clear advantages for this specific feature
selector: 'TSEnumDeclaration',
message: 'Use a union of string literals instead of an enum',
},
],
'@typescript-eslint/ban-types': [
'error',
{
extendDefaults: false,
types: {
Function:
'`Function` types are unsafe. Use more specific function types instead. e.g. (arg: number) => string',
String: {
message:
'The `String` type refers to the String object which is probably not what you want, you probably want `string` instead which refers to the string primitive type.',
fixWith: 'string',
},
ComponentType: reactComponentTypeMessage,
FC: reactComponentTypeMessage,
SFC: reactComponentTypeMessage,
'React.ComponentType': reactComponentTypeMessage,
'React.FC': reactComponentTypeMessage,
'React.SFC': reactComponentTypeMessage,
},
},
],
},
extends: ['plugin:jest/recommended'],
// Disable some rules for (code blocks within) Markdown docs
overrides: [
{
files: ['**/*.{ts,tsx}'],
rules: {
// TypeScript already checks for the following things and they conflict with TypeScript
'import/no-unresolved': 'off',
'no-undef': 'off',
},
},
{
files: ['packages/core/src/scripts/tests/fixtures/**/*.{ts,tsx}'],
rules: {
'import/no-extraneous-dependencies': 'off',
},
},
],
};