.eslintrc.js

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

'use strict';

module.exports = {
  root: true,
  ignorePatterns: [
    '**/*.js',
    'node_modules/',
    'ort-schema/',
    'common/test/type-tests/',
    'web/types.d.ts',
    'test/data/',
    'dist/',
  ],
  env: { es6: true },
  parser: '@typescript-eslint/parser',
  parserOptions: { project: true, sourceType: 'module' },
  plugins: ['@typescript-eslint', 'prefer-arrow', 'header', 'import', 'unicorn', 'jsdoc'],
  rules: {
    'unicorn/filename-case': 'error',
    'header/header': [
      2,
      'line',
      [' Copyright (c) Microsoft Corporation. All rights reserved.', ' Licensed under the MIT License.'],
      2,
    ],
    'import/no-extraneous-dependencies': ['error', { devDependencies: false }],
    'import/no-internal-modules': [
      'error',
      {
        allow: ['**/lib/**'],
      },
    ],
    'import/no-unassigned-import': 'error',
    '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
    '@typescript-eslint/await-thenable': 'error',
    '@typescript-eslint/ban-types': [
      'error',
      {
        types: {
          Object: { message: 'Use {} instead.' },
          String: { message: "Use 'string' instead." },
          Number: { message: "Use 'number' instead." },
          Boolean: { message: "Use 'boolean' instead." },
        },
      },
    ],
    '@typescript-eslint/naming-convention': 'error',
    '@typescript-eslint/consistent-type-assertions': 'error',
    '@typescript-eslint/member-delimiter-style': [
      'error',
      {
        multiline: { delimiter: 'semi', requireLast: true },
        singleline: { delimiter: 'semi', requireLast: false },
      },
    ],
    '@typescript-eslint/no-empty-function': 'error',
    '@typescript-eslint/no-explicit-any': 'error',
    '@typescript-eslint/no-floating-promises': 'error',
    '@typescript-eslint/no-for-in-array': 'error',
    '@typescript-eslint/no-inferrable-types': 'error',
    '@typescript-eslint/no-misused-new': 'error',
    '@typescript-eslint/no-namespace': ['error', { allowDeclarations: true }],
    '@typescript-eslint/no-non-null-assertion': 'off',
    '@typescript-eslint/no-require-imports': ['error', { allow: ['^node:'] }],
    '@typescript-eslint/no-var-requires': ['error', { allow: ['^node:'] }],
    '@typescript-eslint/no-unnecessary-type-assertion': 'error',
    '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
    '@typescript-eslint/promise-function-async': 'error',
    '@typescript-eslint/restrict-plus-operands': 'error',
    '@typescript-eslint/semi': ['error', 'always'],
    '@typescript-eslint/triple-slash-reference': ['error', { path: 'always', types: 'prefer-import', lib: 'always' }],
    'arrow-body-style': 'error',
    camelcase: 'error',
    'constructor-super': 'error',
    curly: 'error',
    'default-case': 'error',
    'dot-notation': 'error',
    eqeqeq: ['error', 'smart'],
    'guard-for-in': 'error',
    'id-match': 'error',
    'new-parens': 'error',
    'no-bitwise': 'error',
    'no-caller': 'error',
    'no-cond-assign': 'error',
    'no-console': 'error',
    'no-constant-condition': 'error',
    'no-control-regex': 'error',
    'no-debugger': 'error',
    'no-duplicate-case': 'error',
    'no-empty': 'error',
    'no-eval': 'error',
    'no-extra-bind': 'error',
    'no-invalid-regexp': 'error',
    'no-invalid-this': 'error',
    'no-multiple-empty-lines': 'error',
    'no-new-func': 'error',
    'no-new-wrappers': 'error',
    'no-octal': 'error',
    'no-octal-escape': 'error',
    'no-param-reassign': 'error',
    'no-redeclare': 'off',
    '@typescript-eslint/no-redeclare': ['error'],
    'no-regex-spaces': 'error',
    'no-return-await': 'error',
    'no-sparse-arrays': 'error',
    'no-template-curly-in-string': 'error',
    'no-throw-literal': 'error',
    'no-undef-init': 'error',
    'no-underscore-dangle': 'error',
    'no-unsafe-finally': 'error',
    'no-unused-expressions': 'error',
    'no-unused-labels': 'error',
    'no-use-before-define': 'off',
    '@typescript-eslint/no-use-before-define': 'error',
    'no-var': 'error',
    'object-shorthand': 'error',
    'prefer-arrow/prefer-arrow-functions': 'error',
    'prefer-const': 'error',
    radix: 'error',
    'use-isnan': 'error',
  },
  overrides: [
    {
      files: ['node/**/*.ts'],
      env: { es6: true, node: true },
    },
    {
      files: ['common/lib/**/*.ts', 'node/lib/**/*.ts'],
      rules: {
        'jsdoc/check-alignment': 'error',
        'jsdoc/check-indentation': 'error',
      },
    },
    {
      files: ['common/test/**/*.ts'],
      rules: {
        '@typescript-eslint/naming-convention': 'off',
        'import/no-extraneous-dependencies': 'off',
      },
    },
    {
      files: ['node/script/**/*.ts', 'node/test/**/*.ts', 'web/script/**/*.ts', 'web/test/**/*.ts'],
      rules: {
        '@typescript-eslint/naming-convention': 'off',
        '@typescript-eslint/no-empty-function': 'off',
        '@typescript-eslint/no-explicit-any': 'off',
        '@typescript-eslint/no-require-imports': 'off',
        '@typescript-eslint/no-var-requires': 'off',
        '@typescript-eslint/no-unnecessary-type-assertion': 'off',
        camelcase: 'off',
        'prefer-arrow/prefer-arrow-functions': 'off',
        'import/no-extraneous-dependencies': 'off',
        'import/no-unassigned-import': 'off',
        'import/no-internal-modules': 'off',
        'no-console': 'off',
        'no-empty': 'off',
        'no-unused-expressions': 'off',
      },
    },
    {
      files: ['web/lib/**/*.ts'],
      rules: {
        'no-underscore-dangle': [
          'error',
          {
            allow: [
              '_free',
              '_malloc',
              '_JsepGetNodeName',
              '_JsepOutput',
              '_OrtAddFreeDimensionOverride',
              '_OrtAddRunConfigEntry',
              '_OrtAddSessionConfigEntry',
              '_OrtAppendExecutionProvider',
              '_OrtBindInput',
              '_OrtBindOutput',
              '_OrtClearBoundOutputs',
              '_OrtCreateBinding',
              '_OrtCreateRunOptions',
              '_OrtCreateSession',
              '_OrtCreateSessionOptions',
              '_OrtCreateTensor',
              '_OrtEndProfiling',
              '_OrtFree',
              '_OrtGetInputName',
              '_OrtGetInputOutputCount',
              '_OrtGetLastError',
              '_OrtGetOutputName',
              '_OrtGetTensorData',
              '_OrtInit',
              '_OrtReleaseBinding',
              '_OrtReleaseRunOptions',
              '_OrtReleaseSession',
              '_OrtReleaseSessionOptions',
              '_OrtReleaseTensor',
              '_OrtRun',
              '_OrtRunWithBinding',
            ],
          },
        ],
      },
    },
    {
      files: ['web/lib/onnxjs/**/*.ts'],
      rules: {
        // TODO: those rules are useful. should turn on them in future (webgl refactor)
        '@typescript-eslint/no-empty-function': 'off',
        '@typescript-eslint/explicit-module-boundary-types': 'off',
        '@typescript-eslint/no-use-before-define': 'off',
        '@typescript-eslint/no-unnecessary-type-assertion': 'off',
        '@typescript-eslint/restrict-plus-operands': 'off',
        'import/no-internal-modules': 'off',
        'prefer-arrow/prefer-arrow-functions': 'off',
        'no-param-reassign': 'off',
        'no-underscore-dangle': 'off',
        'guard-for-in': 'off',
      },
    },
    {
      files: ['react_native/e2e/src/**/*.ts', 'react_native/e2e/src/**/*.tsx'],
      rules: {
        '@typescript-eslint/no-non-null-assertion': 'off',
        '@typescript-eslint/no-unnecessary-type-assertion': 'off',
        'unicorn/filename-case': 'off',
        'no-invalid-this': 'off',
        'no-console': 'off',
      },
    },
    {
      files: ['react_native/lib/**/*.ts'],
      rules: {
        '@typescript-eslint/naming-convention': 'off',
      },
    },
    {
      files: ['react_native/scripts/**/*.ts'],
      rules: {
        'import/no-extraneous-dependencies': 'off',
        'prefer-arrow/prefer-arrow-functions': 'off',
        'no-console': 'off',
      },
    },
    {
      files: ['scripts/**/*.ts'],
      rules: {
        'import/no-extraneous-dependencies': 'off',
        'no-console': 'off',
      },
    },
    {
      files: ['web/lib/**/3rd-party/**/*.ts'],
      rules: {
        'header/header': 'off',
        'unicorn/filename-case': 'off',
        '@typescript-eslint/explicit-module-boundary-types': 'off',
      },
    },
  ],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
  ],
};