69 lines
1.7 KiB
JavaScript
69 lines
1.7 KiB
JavaScript
module.exports = {
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env: {
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node: true,
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es2021: true,
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},
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extends: 'eslint:recommended',
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parserOptions: {
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ecmaVersion: 'latest',
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sourceType: 'commonjs',
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},
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rules: {
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// Error Prevention
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'no-unused-vars': ['warn', { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }],
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'no-console': 'off', // We use structured logging, but console is okay for debug
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'no-undef': 'error',
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'no-unreachable': 'error',
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'no-constant-condition': ['error', { checkLoops: false }],
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// Code Quality
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'prefer-const': 'warn',
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'no-var': 'warn',
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'eqeqeq': ['warn', 'always', { null: 'ignore' }],
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'curly': ['warn', 'multi-line'],
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'no-throw-literal': 'error',
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// Async/Await
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'require-await': 'warn',
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'no-async-promise-executor': 'error',
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'no-await-in-loop': 'off', // Sometimes intentional for sequential operations
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// Style (Prettier handles formatting, these are semantic)
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'consistent-return': 'off', // Express routes don't always return
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'no-nested-ternary': 'warn',
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'max-depth': ['warn', 4],
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'complexity': ['warn', 20],
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// Prevent common pitfalls
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'no-eval': 'error',
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'no-implied-eval': 'error',
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'no-new-func': 'error',
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'no-with': 'error',
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'no-proto': 'error',
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},
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overrides: [
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{
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// Test files can be more lenient
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files: ['**/__tests__/**/*.js', '**/*.test.js', '**/*.spec.js'],
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env: {
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jest: true,
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},
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rules: {
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'no-unused-expressions': 'off',
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'max-depth': 'off',
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},
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},
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{
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// Frontend assets use browser globals
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files: ['assets/**/*.js', 'frontend/**/*.js'],
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env: {
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browser: true,
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es2021: true,
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},
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rules: {
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'no-undef': 'warn',
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},
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},
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],
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};
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