ota-meshi · ota-meshi · Aug 18, 2020 · Aug 18, 2020
diff --git a/.eslintrc.js b/.eslintrc.js
@@ -1,55 +1,22 @@
 "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",
+        "plugin:@ota-meshi/recommended",
+        "plugin:@ota-meshi/+typescript",
+        "plugin:@ota-meshi/+json",
+        "plugin:@ota-meshi/+node",
+        "plugin:@ota-meshi/+prettier",
     ],
-    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",
+                "@typescript-eslint/no-non-null-assertion": "off",
             },
         },
     ],

diff --git a/package.json b/package.json
@@ -1,63 +1,69 @@
 {
-  "name": "jsonc-eslint-parser",
-  "version": "0.5.2",
-  "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"
-  }
+    "name": "jsonc-eslint-parser",
+    "version": "0.5.2",
+    "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": {
+        "@ota-meshi/eslint-plugin": "0.0.0",
+        "@types/eslint": "^7.2.0",
+        "@types/eslint-visitor-keys": "^1.0.0",
+        "@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",
+        "@typescript-eslint/eslint-plugin": "4.0.0-alpha.9",
+        "@typescript-eslint/parser": "4.0.0-alpha.9",
+        "eslint": "^7.3.0",
+        "eslint-config-prettier": "^6.11.0",
+        "eslint-plugin-eslint-comments": "^3.2.0",
+        "eslint-plugin-jsonc": "^0.5.1",
+        "eslint-plugin-node": "^11.1.0",
+        "eslint-plugin-prettier": "^3.1.4",
+        "mocha": "^7.0.0",
+        "nyc": "^15.1.0",
+        "prettier": "^2.0.5",
+        "semver": "^7.3.2",
+        "ts-node": "^8.10.2",
+        "typescript": "^3.9.7"
+    },
+    "dependencies": {
+        "eslint-visitor-keys": "^1.3.0",
+        "espree": "^6.0.0 || ^7.2.0"
+    }
 }
diff --git a/src/index.ts b/src/index.ts
@@ -27,7 +27,11 @@ export {
 /**
  * Parse JSON source code
  */
-export function parseJSON(code: string, options?: any): AST.JSONProgram {
+export function parseJSON(
+    code: string,
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any -- any
+    options?: any,
+): AST.JSONProgram {
     const parserOptions = Object.assign(
         { filePath: "<input>", ecmaVersion: 2019 },
         options || {},

diff --git a/src/parser/convert.ts b/src/parser/convert.ts
@@ -13,7 +13,7 @@ import type {
     Expression,
 } from "estree"
 import type { AST } from "eslint"
-import {
+import type {
     JSONNode,
     JSONProgram,
     JSONExpressionStatement,
@@ -35,16 +35,17 @@ import {
     JSONStringLiteral,
 } from "./ast"
 import { getKeys, getNodes } from "./traverse"
+import type { ParseError } from "./errors"
 import {
-    ParseError,
     throwUnexpectedNodeError,
     throwExpectedTokenError,
     throwUnexpectedTokenError,
     throwInvalidNumberError,
     throwUnexpectedSpaceError,
     throwUnexpectedError,
 } from "./errors"
-import { TokenStore, isComma, MaybeNodeOrToken } from "./token-store"
+import type { TokenStore, MaybeNodeOrToken } from "./token-store"
+import { isComma } from "./token-store"
 
 const lineBreakPattern = /\r\n|[\r\n\u2028\u2029]/u
 
@@ -380,14 +381,18 @@ function convertLiteralNode(
             regex: node.regex,
             ...getFixLocation(node),
         } as JSONRegExpLiteral
-    } else if ((node as any).bigint) {
+    } else if (
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any -- bigint
+        (node as any).bigint
+    ) {
         if (!ctx.bigintLiterals) {
             return throwUnexpectedNodeError(node, tokens)
         }
         nn = {
             type: "JSONLiteral",
             value: node.value,
             raw: node.raw!,
+            // eslint-disable-next-line @typescript-eslint/no-explicit-any -- bigint
             bigint: (node as any).bigint,
             ...getFixLocation(node),
         } as JSONBigIntLiteral
@@ -653,7 +658,7 @@ function checkUnexpectedKeys(
  * Fix the location information of the given node.
  * @param node The node.
  */
-export function fixLocation(node: MaybeNodeOrToken | AST.Token) {
+export function fixLocation(node: MaybeNodeOrToken | AST.Token): void {
     const locs = getFixLocation(node)
     node.range = locs.range
     node.loc = locs.loc
@@ -663,7 +668,7 @@ export function fixLocation(node: MaybeNodeOrToken | AST.Token) {
  * Modify the location information of the given error with using the base offset and gaps of this calculator.
  * @param error The error to modify their location.
  */
-export function fixErrorLocation(error: ParseError) {
+export function fixErrorLocation(error: ParseError): void {
     error.index = Math.max(error.index - 2, 0)
     if (error.lineNumber === 0) {
         error.column = Math.max(error.column - 2, 0)

diff --git a/src/parser/errors.ts b/src/parser/errors.ts
@@ -15,7 +15,10 @@ export class ParseError extends SyntaxError {
      * Normalize the error object.
      * @param x The error object to normalize.
      */
-    public static normalize(x: any): ParseError | null {
+    public static normalize(
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any -- any
+        x: any,
+    ): ParseError | null {
         if (ParseError.isParseError(x)) {
             return x
         }
@@ -50,7 +53,10 @@ export class ParseError extends SyntaxError {
      * @param x The value to check.
      * @returns `true` if the value has `message`, `pos`, `loc` properties.
      */
-    public static isParseError(x: any): x is ParseError {
+    public static isParseError(
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any -- any
+        x: any,
+    ): x is ParseError {
         return (
             x instanceof ParseError ||
             (typeof x.message === "string" &&
@@ -191,6 +197,7 @@ export function throwUnexpectedNodeError(
         throw err
     }
     if (node.type === "Literal") {
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any -- bigint
         const type = (node as any).bigint
             ? "bigint"
             : (node as RegExpLiteral).regex
@@ -249,6 +256,7 @@ export function throwUnexpectedNodeError(
  * Throw syntax error of outside of code.
  */
 export function throwErrorAsAdjustingOutsideOfCode(
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any -- any
     err: any,
     code: string,
 ): never {
@@ -268,6 +276,7 @@ export function throwErrorAsAdjustingOutsideOfCode(
  * @returns `true` if the value has acorn style location information.
  */
 function isAcornStyleParseError(
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any -- any
     x: any,
 ): x is { message: string; pos: number; loc: Position } {
     return (

diff --git a/src/parser/espree.ts b/src/parser/espree.ts
@@ -5,7 +5,11 @@ import path from "path"
  * The interface of ESLint custom parsers.
  */
 export interface ESPree {
-    parse(code: string, options: any): AST.Program
+    parse(
+        code: string,
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any -- any
+        options: any,
+    ): AST.Program
 }
 
 let espreeCache: ESPree | null = null
@@ -36,17 +40,19 @@ export function getEspree(): ESPree {
             }
         }
     }
-    // eslint-disable-next-line @mysticatea/ts/no-require-imports
     return espreeCache || (espreeCache = require("espree"))
 }
 
 /**
  * createRequire
  */
 function createRequire(filename: string) {
-    // eslint-disable-next-line @mysticatea/ts/no-require-imports,  @mysticatea/ts/no-var-requires
+    // eslint-disable-next-line @typescript-eslint/no-var-requires -- special require
     const Module = require("module")
-    const fn: (filename: string) => any =
+    const fn: (
+        filename: string,
+    ) => // eslint-disable-next-line @typescript-eslint/no-explicit-any -- any
+    any =
         // Added in v12.2.0
         Module.createRequire ||
         // Added in v10.12.0, but deprecated in v12.2.0.