chore: add config files

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true

.eslintignore

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+dist
+playground-temp
+temp

.eslintrc.cjs

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+// @ts-check
+const { builtinModules } = require('node:module')
+const { defineConfig } = require('eslint-define-config')
+
+module.exports = defineConfig({
+  root: true,
+  extends: [
+    'eslint:recommended',
+    'plugin:node/recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:regexp/recommended'
+  ],
+  plugins: ['import', 'regexp'],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    sourceType: 'module',
+    ecmaVersion: 2021
+  },
+  rules: {
+    eqeqeq: ['warn', 'always', { null: 'never' }],
+    'no-debugger': ['error'],
+    'no-empty': ['warn', { allowEmptyCatch: true }],
+    'no-process-exit': 'off',
+    'no-useless-escape': 'off',
+    'prefer-const': [
+      'warn',
+      {
+        destructuring: 'all'
+      }
+    ],
+
+    'node/no-missing-import': [
+      'error',
+      {
+        allowModules: ['types', 'estree', 'less', 'sass', 'stylus'],
+        tryExtensions: ['.ts', '.js', '.jsx', '.tsx', '.d.ts']
+      }
+    ],
+    'node/no-missing-require': [
+      'error',
+      {
+        // for try-catching yarn pnp
+        allowModules: ['pnpapi', 'vite'],
+        tryExtensions: ['.ts', '.js', '.jsx', '.tsx', '.d.ts']
+      }
+    ],
+    'node/no-extraneous-import': [
+      'error',
+      {
+        allowModules: ['vite', 'less', 'sass', 'vitest']
+      }
+    ],
+    'node/no-extraneous-require': [
+      'error',
+      {
+        allowModules: ['vite']
+      }
+    ],
+    'node/no-deprecated-api': 'off',
+    'node/no-unpublished-import': 'off',
+    'node/no-unpublished-require': 'off',
+    'node/no-unsupported-features/es-syntax': 'off',
+
+    '@typescript-eslint/ban-ts-comment': 'off', // TODO: we should turn this on in a new PR
+    '@typescript-eslint/ban-types': 'off', // TODO: we should turn this on in a new PR
+    '@typescript-eslint/explicit-module-boundary-types': [
+      'error',
+      { allowArgumentsExplicitlyTypedAsAny: true }
+    ],
+    '@typescript-eslint/no-empty-function': [
+      'error',
+      { allow: ['arrowFunctions'] }
+    ],
+    '@typescript-eslint/no-empty-interface': 'off',
+    '@typescript-eslint/no-explicit-any': 'off', // maybe we should turn this on in a new PR
+    '@typescript-eslint/no-extra-semi': 'off', // conflicts with prettier
+    '@typescript-eslint/no-inferrable-types': 'off',
+    '@typescript-eslint/no-non-null-assertion': 'off', // maybe we should turn this on in a new PR
+    '@typescript-eslint/no-unused-vars': 'off', // maybe we should turn this on in a new PR
+    '@typescript-eslint/no-var-requires': 'off',
+    '@typescript-eslint/consistent-type-imports': [
+      'error',
+      { prefer: 'type-imports' }
+    ],
+
+    'import/no-nodejs-modules': [
+      'error',
+      { allow: builtinModules.map((mod) => `node:${mod}`) }
+    ],
+    'import/no-duplicates': 'error',
+    'import/order': 'error',
+    'sort-imports': [
+      'error',
+      {
+        ignoreCase: false,
+        ignoreDeclarationSort: true,
+        ignoreMemberSort: false,
+        memberSyntaxSortOrder: ['none', 'all', 'multiple', 'single'],
+        allowSeparatedGroups: false
+      }
+    ],
+
+    'regexp/no-contradiction-with-assertion': 'error'
+  },
+  overrides: [
+    {
+      files: ['packages/**'],
+      excludedFiles: '**/__tests__/**',
+      rules: {
+        'no-restricted-globals': ['error', 'require', '__dirname', '__filename']
+      }
+    },
+    {
+      files: 'packages/vite/**/*.*',
+      rules: {
+        'node/no-restricted-require': [
+          'error',
+          Object.keys(
+            require('./packages/vite/package.json').devDependencies
+          ).map((d) => ({
+            name: d,
+            message:
+              `devDependencies can only be imported using ESM syntax so ` +
+              `that they are included in the rollup bundle. If you are trying to ` +
+              `lazy load a dependency, use (await import('dependency')).default instead.`
+          }))
+        ]
+      }
+    },
+    {
+      files: ['packages/vite/src/node/**'],
+      rules: {
+        'no-console': ['error']
+      }
+    },
+    {
+      files: ['packages/vite/src/types/**', '*.spec.ts'],
+      rules: {
+        'node/no-extraneous-import': 'off'
+      }
+    },
+    {
+      files: ['packages/create-vite/template-*/**', '**/build.config.ts'],
+      rules: {
+        'no-undef': 'off',
+        'node/no-missing-import': 'off',
+        '@typescript-eslint/explicit-module-boundary-types': 'off'
+      }
+    },
+    {
+      files: ['playground/**'],
+      rules: {
+        'node/no-extraneous-import': 'off',
+        'node/no-extraneous-require': 'off',
+        'node/no-missing-import': 'off',
+        'node/no-missing-require': 'off',
+        // engine field doesn't exist in playgrounds
+        'node/no-unsupported-features/es-builtins': [
+          'error',
+          {
+            version: '^14.18.0 || >=16.0.0'
+          }
+        ],
+        'node/no-unsupported-features/node-builtins': [
+          'error',
+          {
+            version: '^14.18.0 || >=16.0.0'
+          }
+        ],
+        '@typescript-eslint/explicit-module-boundary-types': 'off'
+      }
+    },
+    {
+      files: ['playground/**'],
+      excludedFiles: '**/__tests__/**',
+      rules: {
+        'no-undef': 'off',
+        'no-empty': 'off',
+        'no-constant-condition': 'off',
+        '@typescript-eslint/no-empty-function': 'off'
+      }
+    },
+    {
+      files: ['*.js', '*.mjs', '*.cjs'],
+      rules: {
+        '@typescript-eslint/explicit-module-boundary-types': 'off'
+      }
+    },
+    {
+      files: ['*.d.ts'],
+      rules: {
+        '@typescript-eslint/triple-slash-reference': 'off'
+      }
+    }
+  ],
+  reportUnusedDisableDirectives: true
+})

.gitattributes

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+* text=auto eol=lf

.gitignore

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+!**/glob-import/dir/node_modules
+.DS_Store
+.idea
+*.cpuprofile
+*.local
+*.log
+/.vscode/
+dist
+dist-ssr
+explorations
+node_modules
+playground-temp
+temp
+TODOs.md
+.eslintcache

.npmrc

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+hoist-pattern[]=*eslint*
+hoist-pattern[]=*babel*
+hoist-pattern[]=@emotion/*
+hoist-pattern[]=postcss
+hoist-pattern[]=pug
+hoist-pattern[]=source-map-support
+hoist-pattern[]=ts-node
+strict-peer-dependencies=false
+shell-emulator=true
+auto-install-peers=false

.prettierignore

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+packages/*/CHANGELOG.md
+playground-temp/
+dist/
+temp/
+LICENSE.md
+pnpm-lock.yaml
+pnpm-workspace.yaml

.prettierrc.json

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+{
+  "semi": false,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "printWidth": 80,
+  "trailingComma": "none",
+  "overrides": [
+    {
+      "files": ["*.json5"],
+      "options": {
+        "singleQuote": false,
+        "quoteProps": "preserve"
+      }
+    },
+    {
+      "files": ["*.yml"],
+      "options": {
+        "singleQuote": false
+      }
+    }
+  ]
+}