Implements

.eslintignore

@@ -0,0 +1,7 @@
+/.nyc_output
+/coverage
+/node_modules
+/tests/fixtures/integrations
+/assets
+/lib
+/tests/fixtures

.eslintrc.js

@@ -0,0 +1,56 @@
+"use strict"
+
+// const version = require("./package.json").version
+
+module.exports = {
+    parserOptions: {
+        sourceType: "script",
+        ecmaVersion: 2020,
+    },
+    extends: [
+        "plugin:@mysticatea/es2015",
+        "plugin:@mysticatea/+node",
+        "plugin:@mysticatea/+eslint-plugin",
+        "plugin:jsonc/auto-config",
+        "plugin:jsonc/recommended-with-jsonc",
+    ],
+    rules: {
+        "require-jsdoc": "error",
+        "no-warning-comments": "warn",
+        "no-lonely-if": "off",
+        "@mysticatea/ts/ban-ts-ignore": "off",
+    },
+    overrides: [
+        {
+            files: ["*.ts"],
+            rules: {
+                // "@mysticatea/ts/no-require-imports": "off",
+                // "@mysticatea/ts/no-var-requires": "off",
+                "@mysticatea/node/no-missing-import": "off",
+                "no-implicit-globals": "off",
+                "@mysticatea/node/no-extraneous-import": "off",
+            },
+            parserOptions: {
+                sourceType: "module",
+                project: "./tsconfig.json",
+            },
+        },
+        {
+            files: ["src/rules/**"],
+            rules: {
+                "@mysticatea/eslint-plugin/report-message-format": [
+                    "error",
+                    "[^a-z].*\\.$",
+                ],
+                "@mysticatea/eslint-plugin/require-meta-docs-url": "off",
+            },
+        },
+        {
+            files: ["scripts/**/*.ts", "tests/**/*.ts"],
+            rules: {
+                "require-jsdoc": "off",
+                "no-console": "off",
+            },
+        },
+    ],
+}

.github/workflows/NodeCI.yml

@@ -0,0 +1,52 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 14
+    - name: Install Packages
+      run: npm install
+    - name: Lint
+      run: npm run lint
+    - name: Build
+      run: npm run build
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [10.13.x, 12.x, 13.x, 14.x]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: Install Packages
+      run: npm install
+    - name: Test
+      run: npm test
+  test-and-coverage:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 10.x
+    - name: Install Packages
+      run: npm install
+    - name: Test
+      run: npm run test:nyc
+    - name: Coveralls GitHub Action
+      uses: coverallsapp/github-action@v1.1.1
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/NpmPublish.yml

@@ -0,0 +1,28 @@
+name: publish
+on:
+  push:
+    tags:
+      - "*"
+jobs:
+  release:
+    name: check version, and release
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout
+      uses: actions/checkout@v2
+    - name: setup Node
+      uses: actions/setup-node@v1
+      with:
+        registry-url: 'https://registry.npmjs.org'
+    - name: Install Packages
+      run: npm install
+    - name: test
+      run: npm run test
+    - name: Build
+      run: npm run build
+    - name: check can npm-publish
+      run: npx can-npm-publish
+    - name: release
+      run: npm publish
+      env:
+        NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.gitignore

@@ -42,7 +42,7 @@ node_modules/
 jspm_packages/
 
 # TypeScript v1 declaration files
-typings/
+# typings/
 
 # TypeScript cache
 *.tsbuildinfo
@@ -102,3 +102,7 @@ dist
 
 # TernJS port file
 .tern-port
+
+/lib
+/dist-ts
+/index.d.ts

.npmrc

@@ -0,0 +1 @@
+package-lock=false

.vscode/settings.json

@@ -0,0 +1,17 @@
+{
+  "eslint.validate": [
+    "javascript",
+    "javascriptreact",
+    "vue",
+    "typescript",
+    "json",
+    "jsonc"
+  ],
+  "typescript.validate.enable": true,
+  "javascript.validate.enable": false,
+  "css.validate": false,
+  "typescript.tsdk": "node_modules/typescript/lib",
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": true,
+  }
+}

README.md

@@ -1,2 +1,70 @@
 # jsonc-eslint-parser
-JSON, JSONC and JSON5 parser for use with ESLint plugins.
+
+## :name_badge: Introduction
+
+[JSON], [JSONC] and [JSON5] parser for use with [ESLint] plugins.
+
+This parser allows us to lint [JSON], [JSONC] and [JSON5] files.
+This parser and the rules of [eslint-plugin-jsonc] would catch some of the mistakes and code style violations.
+
+See [eslint-plugin-jsonc] for details.
+
+## :cd: Installation
+
+```bash
+npm i --save-dev jsonc-eslint-parser
+```
+
+## :book: Usage
+
+In your ESLint configuration file, set the `overrides` > `parser` property:
+
+```json5
+{
+  // ...
+  // Add the following settings.
+  "overrides": [
+    {
+      "files": ["*.json", "*.json5"], // Specify the extension or pattern you want to parse as JSON.
+      "parser": "jsonc-eslint-parser", // Set this parser.
+    },
+  ],
+}
+```
+
+## :gear: Configuration
+
+The following additional configuration options are available by specifying them in [parserOptions](https://eslint.org/docs/user-guide/configuring#specifying-parser-options-1) in your ESLint configuration file.
+
+```json5
+{
+  // ...
+  "overrides": [
+    {
+      "files": ["*.json", "*.json5"],
+      "parser": "jsonc-eslint-parser",
+      // Additional configuration options
+      "parserOptions": {
+        "jsonSyntax": "JSON5"
+      }
+    },
+  ],
+}
+```
+
+### `parserOptions.jsonSyntax`
+
+Set to `"JSON"`, `"JSONC"` or `"JSON5"`. Select the JSON syntax you are using.  
+If not specified, all syntaxes that express static values ​​are accepted. For example, template literals without interpolation.  
+
+**Note** : Recommended to loosen the syntax checking by the parser and use check rules of [eslint-plugin-jsonc] to automatically fix it.
+
+## :lock: License
+
+See the [LICENSE](LICENSE) file for license rights and limitations (MIT).
+
+[JSON]: https://json.org/
+[JSONC]: https://github.com/microsoft/node-jsonc-parser
+[JSON5]: https://json5.org/
+[ESLint]: https://eslint.org/
+[eslint-plugin-jsonc]: https://www.npmjs.com/package/eslint-plugin-jsonc

package.json

@@ -0,0 +1,63 @@
+{
+  "name": "jsonc-eslint-parser",
+  "version": "0.5.0",
+  "description": "JSON, JSONC and JSON5 parser for use with ESLint plugins",
+  "main": "lib/index.js",
+  "files": [
+    "lib"
+  ],
+  "scripts": {
+    "build": "npm run build:ts",
+    "build:ts": "tsc --project ./tsconfig.build.json",
+    "clean": "rimraf .nyc_output lib coverage",
+    "lint": "eslint \"tests\" \"src\" --ext .js,.ts",
+    "eslint-fix": "eslint \"tests\" \"src\" --ext .js,.ts --fix",
+    "test:base": "mocha --require ts-node/register \"tests/src/**/*.ts\" --reporter dot --timeout 60000",
+    "test": "npm run test:base",
+    "test:nyc": "nyc --reporter=lcov npm run test:base",
+    "test:debug": "mocha --require ts-node/register --inspect \"tests/src/**/*.ts\" --reporter dot",
+    "update": "ts-node ./tools/update.ts && npm run eslint-fix && npm run test:nyc",
+    "preversion": "npm test && npm run update && git add .",
+    "version": "npm run eslint-fix && git add .",
+    "update-fixtures": "ts-node ./tools/update-fixtures.ts"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ota-meshi/jsonc-eslint-parser.git"
+  },
+  "keywords": [
+    "eslint",
+    "json",
+    "jsonc",
+    "json5",
+    "parser"
+  ],
+  "author": "Yosuke Ota",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/ota-meshi/jsonc-eslint-parser/issues"
+  },
+  "homepage": "https://github.com/ota-meshi/jsonc-eslint-parser#readme",
+  "devDependencies": {
+    "@mysticatea/eslint-plugin": "^13.0.0",
+    "@types/eslint": "^7.2.0",
+    "@types/estree": "0.0.44",
+    "@types/mocha": "^7.0.2",
+    "@types/natural-compare": "^1.4.0",
+    "@types/node": "^14.0.13",
+    "@types/semver": "^7.3.1",
+    "babel-eslint": "^10.1.0",
+    "eslint": "^7.3.0",
+    "eslint-plugin-jsonc": "^0.4.0",
+    "mocha": "^7.0.0",
+    "nyc": "^15.1.0",
+    "prettier": "^2.0.5",
+    "semver": "^7.3.2",
+    "ts-node": "^8.10.2",
+    "typescript": "^3.9.5"
+  },
+  "dependencies": {
+    "eslint-visitor-keys": "^1.3.0",
+    "espree": "^6.0.0 || ^7.2.0"
+  }
+}

src/index.ts

@@ -0,0 +1,49 @@
+import { parseForESLint } from "./parser/parser"
+import { traverseNodes } from "./parser/traverse"
+import {
+    getStaticJSONValue,
+    isExpression,
+    isNumberIdentifier,
+    isUndefinedIdentifier,
+} from "./utils/ast"
+
+import type * as AST from "./parser/ast"
+import { KEYS } from "./parser/visitor-keys"
+
+// parser
+export { parseForESLint }
+// Keys
+export const VisitorKeys = KEYS
+
+// tools
+export {
+    traverseNodes,
+    getStaticJSONValue,
+    isExpression,
+    isNumberIdentifier,
+    isUndefinedIdentifier,
+}
+
+/**
+ * Parse JSON source code
+ */
+export function parseJSON(code: string, options?: any): AST.JSONProgram {
+    const parserOptions = Object.assign(
+        { filePath: "<input>", ecmaVersion: 2019 },
+        options || {},
+        {
+            loc: true,
+            range: true,
+            raw: true,
+            tokens: true,
+            comment: true,
+            eslintVisitorKeys: true,
+            eslintScopeManager: true,
+        },
+    )
+
+    return parseForESLint(code, parserOptions).ast as never
+}
+
+// types
+export { AST }