Convert to TypeScript

.eslintrc.js

@@ -1,23 +1,145 @@
+'use strict';
+
 module.exports = {
   root: true,
+  parser: '@babel/eslint-parser',
   parserOptions: {
-    ecmaVersion: 2017
+    sourceType: 'module',
+    requireConfigFile: false,
   },
   env: {
+    browser: false,
     node: true,
-    es6: true
+    es6: true,
   },
-  extends: ["eslint:recommended", "prettier"],
-  plugins: ["prettier"],
+  extends: [
+    'eslint:recommended',
+    'plugin:eslint-comments/recommended',
+    'plugin:jsdoc/recommended',
+    'plugin:unicorn/recommended',
+    'prettier',
+  ],
+  plugins: ['jsdoc', 'unicorn'],
+  reportUnusedDisableDirectives: true,
   rules: {
-    "prettier/prettier": "error"
+    'eslint-comments/disable-enable-pair': ['error', { allowWholeFile: true }],
+    'eslint-comments/no-unused-disable': 'error',
+    'jsdoc/check-param-names': 'off',
+    'jsdoc/newline-after-description': 'off',
+    'jsdoc/require-jsdoc': ['error', { publicOnly: true }],
+    'jsdoc/require-returns': 'off',
+    'jsdoc/require-returns-type': 'off',
+    'jsdoc/require-param': 'off',
+    'jsdoc/require-param-type': 'off',
+    'jsdoc/tag-lines': 'off',
+    'no-console': 'error',
+    'unicorn/catch-error-name': 'off',
+    'unicorn/consistent-destructuring': 'off',
+    'unicorn/consistent-function-scoping': ['error', { checkArrowFunctions: false }],
+    'unicorn/custom-error-definition': 'error',
+    'unicorn/filename-case': ['error', { case: 'kebabCase' }],
+    'unicorn/no-array-callback-reference': 'off',
+    'unicorn/no-array-method-this-argument': 'off', // False positives
+    'unicorn/no-null': 'off',
+    'unicorn/prefer-node-protocol': 'off',
+    'unicorn/prefer-ternary': ['error', 'only-single-line'],
+    'unicorn/prevent-abbreviations': 'off',
   },
   overrides: [
+    // node files
+    {
+      files: [
+        './.eslintrc.js',
+        './.prettierrc.js',
+        './bin/**/*.js',
+        './test/run-test.js',
+        './transforms/ember-object/test.js',
+      ],
+      parserOptions: {
+        sourceType: 'script',
+      },
+      env: {
+        browser: false,
+        node: true,
+      },
+      plugins: ['node'],
+      extends: ['plugin:node/recommended'],
+      rules: {
+        'no-process-exit': 'off',
+        // this can be removed once the following is fixed
+        // https://github.com/mysticatea/eslint-plugin-node/issues/77
+        'node/no-unpublished-require': 'off',
+        'node/shebang': 'off',
+        'unicorn/no-process-exit': 'off',
+        'unicorn/prefer-module': 'off',
+        'unicorn/prefer-top-level-await': 'off',
+      },
+    },
+    // test files
     {
       files: ['**/*.test.js'],
       env: {
-        jest: true
-      }
-    }
-  ]
+        jest: true,
+      },
+    },
+    // typescript files
+    {
+      files: ['*.ts'],
+      parser: '@typescript-eslint/parser',
+      parserOptions: {
+        project: './tsconfig.json',
+        allowAutomaticSingleRunInference: true,
+      },
+      plugins: ['@typescript-eslint'],
+      extends: [
+        'plugin:@typescript-eslint/recommended',
+        'plugin:@typescript-eslint/recommended-requiring-type-checking',
+        'plugin:@typescript-eslint/strict',
+      ],
+      rules: {
+        '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
+        '@typescript-eslint/ban-ts-comment': [
+          'error',
+          {
+            'ts-expect-error': 'allow-with-description',
+            'ts-ignore': true,
+            'ts-nocheck': true,
+          },
+        ],
+        '@typescript-eslint/consistent-type-assertions': 'error',
+        '@typescript-eslint/consistent-type-definitions': 'error',
+        '@typescript-eslint/consistent-type-imports': 'error',
+        '@typescript-eslint/explicit-function-return-type': ['error', { allowExpressions: true }],
+        '@typescript-eslint/explicit-member-accessibility': [
+          'error',
+          { accessibility: 'no-public' },
+        ],
+        '@typescript-eslint/method-signature-style': 'error',
+        '@typescript-eslint/consistent-indexed-object-style': 'error',
+        '@typescript-eslint/no-base-to-string': 'error',
+        '@typescript-eslint/no-confusing-non-null-assertion': 'error',
+        '@typescript-eslint/no-dynamic-delete': 'error',
+        '@typescript-eslint/no-extra-semi': 'error',
+        '@typescript-eslint/no-extraneous-class': 'error',
+        '@typescript-eslint/no-explicit-any': 'error',
+        '@typescript-eslint/no-implicit-any-catch': 'error',
+        '@typescript-eslint/no-invalid-void-type': 'error',
+        '@typescript-eslint/no-require-imports': 'error',
+        '@typescript-eslint/no-unnecessary-condition': 'error',
+        '@typescript-eslint/no-unnecessary-boolean-literal-compare': 'error',
+        '@typescript-eslint/no-unnecessary-qualifier': 'error',
+        '@typescript-eslint/no-unnecessary-type-arguments': 'error',
+        '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
+        '@typescript-eslint/prefer-enum-initializers': 'error',
+        '@typescript-eslint/prefer-nullish-coalescing': 'error',
+        '@typescript-eslint/prefer-for-of': 'error',
+        '@typescript-eslint/prefer-includes': 'error',
+        '@typescript-eslint/prefer-literal-enum-member': 'error',
+        '@typescript-eslint/prefer-string-starts-ends-with': 'error',
+        '@typescript-eslint/require-array-sort-compare': 'error',
+        '@typescript-eslint/switch-exhaustiveness-check': 'error',
+        '@typescript-eslint/unified-signatures': 'error',
+      },
+    },
+  ],
 };

.github/workflows/ci.yml

@@ -2,25 +2,24 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
         node-version: [14.x, 16.x, 18.x]
 
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v3
-      with:
-        node-version: ${{ matrix.node-version }}
-        cache: yarn
-    - run: yarn install --frozen-lockfile
-    - run: yarn lint:js
-    - run: yarn test
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: yarn
+      - run: yarn install --frozen-lockfile
+      - run: yarn lint:js
+      - run: yarn test

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-*.log
+*.log
+.eslintcache

.prettierignore

@@ -0,0 +1,6 @@
+node_modules
+*.log
+.eslintcache
+**/__testfixtures__/**
+**/fixtures/**
+CHANGELOG.md

.prettierrc.js

@@ -2,6 +2,13 @@
 
 module.exports = {
   singleQuote: true,
-  trailingComma: 'es5',
   printWidth: 100,
+  overrides: [
+    {
+      files: '*.ts',
+      options: {
+        printWidth: 80,
+      },
+    },
+  ],
 };

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "editor.formatOnSave": true,
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "typescript.preferences.importModuleSpecifierEnding": "index",
+  "typescript.suggest.autoImports": true
+}

README.md

@@ -13,7 +13,7 @@ addons that the codemod will add imports from:
 
 ```
 ember install ember-classic-decorator
-ember install ember-decorators 
+ember install ember-decorators
 ```
 
 Then, boot up your application. Then, the codemod can be run using the
@@ -25,7 +25,7 @@ npx ember-native-class-codemod http://localhost:4200/path/to/server [OPTIONS] pa
 
 The codemod accepts the following options:
 
-|        Option         |  Value  |             Default             |                                                                     Details                                                                      |
+| Option                | Value   | Default                         | Details                                                                                                                                          |
 | --------------------- | ------- | ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
 | `--class-fields`      | boolean | `true`                          | Enable/disable transformation using class fields                                                                                                 |
 | `--decorators`        | boolean | `true`                          | Enable/disable transformation using decorators                                                                                                   |
@@ -87,8 +87,9 @@ transformation of
 ## More Transform Examples
 
 <!--TRANSFORMS_START-->
-* [ember-object](transforms/ember-object/README.md)
-* [helpers](transforms/helpers/README.md)
+
+- [ember-object](transforms/ember-object/README.md)
+- [helpers](transforms/helpers/README.md)
 <!--TRANSFORMS_END-->
 
 ## Contributing

RELEASE.md

@@ -17,24 +17,24 @@ guiding principle here is that changelogs are for humans, not machines.
 
 When reviewing merged PR's the labels to be used are:
 
-* breaking - Used when the PR is considered a breaking change.
-* enhancement - Used when the PR adds a new feature or enhancement.
-* bug - Used when the PR fixes a bug included in a previous release.
-* documentation - Used when the PR adds or updates documentation.
-* internal - Used for internal changes that still require a mention in the
+- breaking - Used when the PR is considered a breaking change.
+- enhancement - Used when the PR adds a new feature or enhancement.
+- bug - Used when the PR fixes a bug included in a previous release.
+- documentation - Used when the PR adds or updates documentation.
+- internal - Used for internal changes that still require a mention in the
   changelog/release notes.
 
 ## Release
 
 Once the prep work is completed, the actual release is straight forward:
 
-* First, ensure that you have installed your projects dependencies:
+- First, ensure that you have installed your projects dependencies:
 
 ```sh
 yarn install
 ```
 
-* Second, ensure that you have obtained a
+- Second, ensure that you have obtained a
   [GitHub personal access token][generate-token] with the `repo` scope (no
   other permissions are needed). Make sure the token is available as the
   `GITHUB_AUTH` environment variable.
@@ -47,7 +47,7 @@ yarn install
 
 [generate-token]: https://github.com/settings/tokens/new?scopes=repo&description=GITHUB_AUTH+env+variable
 
-* And last (but not least 😁) do your release.
+- And last (but not least 😁) do your release.
 
 ```sh
 npx release-it

package.json

@@ -31,12 +31,23 @@
   ],
   "scripts": {
     "release": "release-it",
-    "lint:js": "eslint .",
-    "test": "codemod-cli test && node ./test/run-test.js",
+    "prepare": "yarn build",
+    "postpublish": "yarn clean",
+    "build": "tsc",
+    "clean": "tsc --build --clean",
+    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:js": "eslint . --cache",
+    "lint:js:fix": "eslint . --fix",
+    "lint:prettier": "prettier --check .",
+    "lint:prettier:fix": "prettier --write .",
+    "lint:ts": "tsc --noEmit",
+    "test": "yarn build && codemod-cli test && node ./test/run-test.js && yarn clean",
     "update-docs": "codemod-cli update-docs"
   },
   "dependencies": {
-    "codemod-cli": "^2.0.0",
+    "camelcase": "^6.3.0",
+    "codemod-cli": "^3.2.0",
     "ember-codemods-telemetry-helpers": "^3.0.0",
     "fs-extra": "^8.0.1",
     "git-repo-info": "^2.1.0",
@@ -47,17 +58,29 @@
     "winston": "^3.2.1"
   },
   "devDependencies": {
-    "eslint": "^6.0.0",
-    "eslint-config-prettier": "^6.0.0",
-    "eslint-plugin-prettier": "^3.1.0",
+    "@babel/core": "^7.20.12",
+    "@babel/eslint-parser": "^7.19.1",
+    "@babel/preset-env": "^7.20.2",
+    "@tsconfig/node12": "^1.0.11",
+    "@types/jscodeshift": "^0.11.6",
+    "@typescript-eslint/eslint-plugin": "^5.48.1",
+    "@typescript-eslint/parser": "^5.48.1",
+    "concurrently": "^7.6.0",
+    "eslint": "^8.31.0",
+    "eslint-config-prettier": "^8.6.0",
+    "eslint-plugin-eslint-comments": "^3.2.0",
+    "eslint-plugin-jsdoc": "^39.6.4",
+    "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-unicorn": "^45.0.2",
     "execa": "^5.0.0",
     "jest": "^27.0.1",
-    "prettier": "^2.0.4",
+    "prettier": "^2.8.2",
     "release-it": "^14.2.1",
-    "release-it-lerna-changelog": "^3.1.0"
+    "release-it-lerna-changelog": "^3.1.0",
+    "typescript": "^4.9.4"
   },
   "engines": {
-    "node": "10.* || 12.* || >= 14"
+    "node": "12.* || >= 14"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"