195 lines
6.5 KiB
JavaScript
195 lines
6.5 KiB
JavaScript
const tsconfigs = [
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'tsconfig.json',
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'*/tsconfig.json',
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'packages/*/tsconfig.json',
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'packages/*/test/tsconfig.json',
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]
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module.exports = {
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root: true,
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parser: '@typescript-eslint/parser',
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parserOptions: {
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ecmaFeatures: {
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jsx: true,
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},
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project: tsconfigs,
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},
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env: {
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es6: true,
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node: true,
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},
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settings: {
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'import/resolver': {
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// Use eslint-import-resolver-typescript to obey "paths" in tsconfig.json.
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typescript: {
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directory: tsconfigs,
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},
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},
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},
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extends: [
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'eslint:recommended',
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'plugin:@typescript-eslint/recommended',
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'plugin:@typescript-eslint/recommended-requiring-type-checking',
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'standard-with-typescript',
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'plugin:import/recommended',
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'plugin:import/typescript',
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],
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rules: {
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'comma-dangle': ['error', 'always-multiline'],
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'linebreak-style': ['error', 'unix'],
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// Changed from error to warn and enabled ignoreEOLComments.
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'no-multi-spaces': ['warn', {
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ignoreEOLComments: true,
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}],
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// Changed from error to warn and adjusted options.
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'no-multiple-empty-lines': ['warn', {
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max: 2,
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maxEOF: 1,
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maxBOF: 1,
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}],
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'no-template-curly-in-string': 'off',
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// Changed from 'after' to 'before'.
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'operator-linebreak': ['error', 'before'],
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// Changed from error and all 'never' to warn and switches 'never'.
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'padded-blocks': ['warn', {
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switches: 'never',
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}],
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// Changed from 'as-needed' to 'consistent-as-needed'.
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'quote-props': ['error', 'consistent-as-needed'],
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// Import
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// Some packages have wrong type declarations.
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'import/default': 'off',
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'import/newline-after-import': 'warn',
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// This rule disallows using both wildcard and selective imports from the same module.
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'import/no-duplicates': 'off',
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// Some packages have it wrong in type declarations (e.g. katex, marked).
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'import/no-named-as-default-member': 'off',
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// TypeScript
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// Changed options.
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'@typescript-eslint/ban-types': ['error', {
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// Allow to use {} and object - they are actually useful.
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types: {
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'{}': false,
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'object': false,
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},
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extendDefaults: true,
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}],
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'@typescript-eslint/class-literal-property-style': ['error', 'fields'],
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// Changed from error to off.
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'@typescript-eslint/consistent-type-definitions': 'off',
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// Changed from error to off.
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'@typescript-eslint/explicit-function-return-type': 'off',
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'@typescript-eslint/explicit-member-accessibility': ['error', {
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accessibility: 'no-public',
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overrides: {
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parameterProperties: 'off',
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},
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}],
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// Changed from warn to error and adjusted options.
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'@typescript-eslint/explicit-module-boundary-types': ['error', {
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allowArgumentsExplicitlyTypedAsAny: true,
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}],
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'@typescript-eslint/indent': ['error', 2, {
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SwitchCase: 1,
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VariableDeclarator: 1,
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outerIIFEBody: 1,
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MemberExpression: 1,
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// Changed parameters from 1 to off.
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FunctionDeclaration: { parameters: 'off', body: 1 },
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// Changed parameters from 1 to off.
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FunctionExpression: { parameters: 'off', body: 1 },
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// Changed arguments from 1 to off.
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CallExpression: { arguments: 'off' },
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ArrayExpression: 1,
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ObjectExpression: 1,
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ImportDeclaration: 1,
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// Changed from false to true.
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flatTernaryExpressions: true,
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ignoreComments: false,
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}],
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// Changed from error to warn.
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'@typescript-eslint/lines-between-class-members': 'warn',
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// Changed delimiter for type literals from none to comma.
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// The reason is just aesthetic symmetry with object literals.
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'@typescript-eslint/member-delimiter-style': ['error', {
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multiline: { delimiter: 'comma', requireLast: true },
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singleline: { delimiter: 'comma', requireLast: false },
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overrides: {
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interface: {
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multiline: { delimiter: 'none' },
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},
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},
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}],
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'@typescript-eslint/member-ordering': 'warn',
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// Changed from warn to off.
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'@typescript-eslint/no-explicit-any': 'off',
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// Changed from error to warn.
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'@typescript-eslint/no-extra-semi': 'warn',
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// It disallows using void even in valid cases.
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'@typescript-eslint/no-invalid-void-type': 'off',
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// Changed from error to warn.
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'@typescript-eslint/no-namespace': 'warn',
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// Changed from error to warn.
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'@typescript-eslint/no-non-null-assertion': 'warn',
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'@typescript-eslint/no-require-imports': 'error',
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// Changed from error to warn.
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'@typescript-eslint/no-unsafe-assignment': 'warn',
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// Changed from error to warn.
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'@typescript-eslint/no-unsafe-member-access': 'warn',
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// Disabled in favour of the next rule.
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'@typescript-eslint/no-unused-vars': 'off',
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'@typescript-eslint/no-unused-vars-experimental': 'error',
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// Changed options.
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'@typescript-eslint/no-use-before-define': ['error', {
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functions: false,
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typedefs: false,
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}],
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'@typescript-eslint/prefer-for-of': 'warn',
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// Changed from error to warn.
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'@typescript-eslint/prefer-includes': 'warn',
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// Changed from error to warn.
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'@typescript-eslint/prefer-regexp-exec': 'warn',
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'@typescript-eslint/prefer-string-starts-ends-with': 'warn',
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// It has too many false positives.
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'@typescript-eslint/restrict-template-expressions': 'off',
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// Changed from error to off.
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'@typescript-eslint/strict-boolean-expressions': 'off',
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'@typescript-eslint/switch-exhaustiveness-check': 'error',
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// Changed from error to warn and adjusted options.
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'@typescript-eslint/unbound-method': ['warn', {
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ignoreStatic: true,
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}],
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},
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overrides: [
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{
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files: ['*.test.ts?(x)'],
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rules: {
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// Allow to format arrays for parametrized tests as tables.
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'array-bracket-spacing': 'off',
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'comma-dangle': ['error', {
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arrays: 'always-multiline',
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objects: 'always-multiline',
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imports: 'always-multiline',
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exports: 'always-multiline',
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// Changed to not require comma in a multiline expect().
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functions: 'only-multiline',
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}],
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'object-curly-spacing': 'off',
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'no-multi-spaces': 'off',
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'standard/array-bracket-even-spacing': 'off',
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// Allow spaces inside expect( foo ).
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'space-in-parens': 'off',
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// jest.mock() must be above imports.
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'import/first': 'off',
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'@typescript-eslint/comma-spacing': 'off',
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// False positive on expect() functions.
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'@typescript-eslint/no-unsafe-call': 'off',
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'@typescript-eslint/no-unsafe-return': 'warn',
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},
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},
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],
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}
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