fix(W-17692101): migrate to eslint 9

eslint.config.mjs

@@ -0,0 +1,65 @@
+import {includeIgnoreFile} from '@eslint/compat'
+import oclif from 'eslint-config-oclif'
+import prettier from 'eslint-config-prettier'
+import path from 'node:path'
+import {fileURLToPath} from 'node:url'
+
+const gitignorePath = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '.gitignore')
+
+export default [
+  includeIgnoreFile(gitignorePath),
+  ...oclif,
+  prettier,
+  {
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-namespace': 'off',
+      '@typescript-eslint/no-require-imports': 'off',
+      'import/no-named-as-default-member': 'off',
+      'no-useless-constructor': 'off',
+      'perfectionist/sort-intersection-types': 'off',
+      'perfectionist/sort-object-types': 'off',
+      'perfectionist/sort-union-types': 'off',
+      'unicorn/no-array-reduce': 'off',
+      'unicorn/prefer-module': 'off',
+    },
+  },
+  {
+    files: ['test/**/*'],
+    rules: {
+      '@stylistic/lines-between-class-members': 'off',
+      '@typescript-eslint/ban-ts-comment': 'off',
+      '@typescript-eslint/ban-ts-ignore': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      'max-lines': 'off',
+      'mocha/max-top-level-suites': ['warn', {limit: 8}],
+      'no-import-assign': 'off',
+      'perfectionist/sort-classes': 'off',
+      'perfectionist/sort-objects': 'off',
+      'unicorn/consistent-function-scoping': 'off',
+      'unicorn/no-abusive-eslint-disable': 'off',
+      'unicorn/no-static-only-class': 'off',
+      'unicorn/no-useless-undefined': 'off',
+    },
+  },
+  {
+    files: ['test/integration/*'],
+    rules: {
+      '@typescript-eslint/no-unused-expressions': 'off',
+      'mocha/no-nested-tests': 'off',
+      'mocha/no-sibling-hooks': 'off',
+      'mocha/no-top-level-hooks': 'off',
+      'unicorn/prefer-object-from-entries': 'off',
+      'unicorn/prefer-top-level-await': 'off',
+    },
+  },
+  {
+    files: ['test/module-loader/fixtures/**/*'],
+    rules: {
+      '@typescript-eslint/no-unused-expressions': 'off',
+      camelcase: 'off',
+      'no-undef': 'off',
+      'unicorn/filename-case': 'off',
+    },
+  },
+]

package.json

@@ -26,6 +26,7 @@
   },
   "devDependencies": {
     "@commitlint/config-conventional": "^19",
+    "@eslint/compat": "^1.2.5",
     "@oclif/plugin-help": "^6",
     "@oclif/plugin-plugins": "^5",
     "@oclif/prettier-config": "^0.2.1",
@@ -49,10 +50,9 @@
     "chai-as-promised": "^7.1.2",
     "commitlint": "^19",
     "cross-env": "^7.0.3",
-    "eslint": "^8.57.1",
-    "eslint-config-oclif": "^5.2.2",
-    "eslint-config-oclif-typescript": "^3.1.13",
-    "eslint-config-prettier": "^9.1.0",
+    "eslint": "^9",
+    "eslint-config-oclif": "^6",
+    "eslint-config-prettier": "^10",
     "husky": "^9.1.7",
     "lint-staged": "^15",
     "madge": "^6.1.0",
@@ -96,6 +96,7 @@
     "./hooks": "./lib/interfaces/hooks.js",
     "./interfaces": "./lib/interfaces/index.js",
     "./logger": "./lib/logger.js",
+    "./package.json": "./package.json",
     "./parser": "./lib/parser/index.js",
     "./performance": "./lib/performance.js",
     "./run": "./lib/main.js",
@@ -118,7 +119,7 @@
     "build": "shx rm -rf lib && tsc",
     "compile": "tsc",
     "format": "prettier --write \"+(src|test)/**/*.+(ts|js|json)\"",
-    "lint": "eslint . --ext .ts",
+    "lint": "eslint",
     "posttest": "yarn lint && yarn test:circular-deps",
     "prepack": "yarn run build",
     "prepare": "husky",

src/args.ts

@@ -22,7 +22,7 @@ import {isNotFalsy} from './util/util'
  *   },
  * })
  */
-export function custom<T = string, P = Record<string, unknown>>(defaults: Partial<Arg<T, P>>): ArgDefinition<T, P>
+export function custom<T = string, P = Record<string, unknown>>(_defaults: Partial<Arg<T, P>>): ArgDefinition<T, P>
 export function custom<T, P = Record<string, unknown>>(defaults: Partial<Arg<T, P>>): ArgDefinition<T, P> {
   return (options: any = {}) => ({
     parse: async (i: string, _context: Command, _opts: P) => i,

src/cache.ts

@@ -4,22 +4,23 @@ import {join} from 'node:path'
 import {Config} from './config/config'
 import {OclifConfiguration, Plugin} from './interfaces'
 
-type OclifCoreInfo = {name: string; version: string}
-
 type CacheContents = {
   rootPlugin: Plugin
   config: Config
   exitCodes: OclifConfiguration['exitCodes']
   '@oclif/core': OclifCoreInfo
 }
 
+type OclifCoreInfo = {name: string; version: string}
+
 type ValueOf<T> = T[keyof T]
 
 /**
  * A simple cache for storing values that need to be accessed globally.
  */
 export default class Cache extends Map<keyof CacheContents, ValueOf<CacheContents>> {
   static instance: Cache
+
   public constructor() {
     super()
     this.set('@oclif/core', this.getOclifCoreMeta())
@@ -33,10 +34,10 @@ export default class Cache extends Map<keyof CacheContents, ValueOf<CacheContent
     return Cache.instance
   }
 
-  public get(key: 'config'): Config | undefined
-  public get(key: '@oclif/core'): OclifCoreInfo
-  public get(key: 'rootPlugin'): Plugin | undefined
-  public get(key: 'exitCodes'): OclifConfiguration['exitCodes'] | undefined
+  public get(_key: 'config'): Config | undefined
+  public get(_key: '@oclif/core'): OclifCoreInfo
+  public get(_key: 'rootPlugin'): Plugin | undefined
+  public get(_key: 'exitCodes'): OclifConfiguration['exitCodes'] | undefined
   public get(key: keyof CacheContents): ValueOf<CacheContents> | undefined {
     return super.get(key)
   }

src/command.ts

@@ -47,30 +47,24 @@ process.stdout.on('error', (err: any) => {
  */
 
 export abstract class Command {
+  private static readonly _base = `${pjson.name}@${pjson.version}`
   /** An array of aliases for this command. */
   public static aliases: string[] = []
-
   /** An order-dependent object of arguments for the command */
   public static args: ArgInput = {}
-
   public static baseFlags: FlagInput
-
   /**
    * Emit deprecation warning when a command alias is used
    */
   static deprecateAliases?: boolean
-
   public static deprecationOptions?: Deprecation
-
   /**
    * A full description of how to use the command.
    *
    * If no summary, the first line of the description will be used as the summary.
    */
   public static description: string | undefined
-
   public static enableJsonFlag = false
-
   /**
    * An array of examples to show at the end of the command's help.
    *
@@ -86,35 +80,24 @@ export abstract class Command {
    * ```
    */
   public static examples: Command.Example[]
-
   /** A hash of flags for the command */
   public static flags: FlagInput
-
   public static hasDynamicHelp = false
-
   public static help: string | undefined
-
   /** Hide the command from help */
   public static hidden: boolean
-
   /** An array of aliases for this command that are hidden from help. */
   public static hiddenAliases: string[] = []
-
   /** A command ID, used mostly in error or verbose reporting. */
   public static id: string
-
   public static plugin: Plugin | undefined
-
   public static readonly pluginAlias?: string
   public static readonly pluginName?: string
   public static readonly pluginType?: string
-
   /** Mark the command as a given state (e.g. beta or deprecated) in help */
   public static state?: 'beta' | 'deprecated' | string
-
   /** When set to false, allows a variable amount of arguments */
   public static strict = true
-
   /**
    * The tweet-sized description for your class, used in a parent-commands
    * sub-command listing and as the header for the command help.
@@ -124,13 +107,9 @@ export abstract class Command {
    * An override string (or strings) for the default usage documentation.
    */
   public static usage: string | string[] | undefined
-
   protected debug: (...args: any[]) => void
-
   public id: string | undefined
 
-  private static readonly _base = `${pjson.name}@${pjson.version}`
-
   public constructor(
     public argv: string[],
     public config: Config,
@@ -145,11 +124,6 @@ export abstract class Command {
     }
   }
 
-  /**
-   * actual command run code goes here
-   */
-  public abstract run(): Promise<any>
-
   /**
    * instantiate and run the command
    *
@@ -188,6 +162,26 @@ export abstract class Command {
     return this.constructor as typeof Command
   }
 
+  protected async _run<T>(): Promise<T> {
+    let err: Error | undefined
+    let result: T | undefined
+    try {
+      // remove redirected env var to allow subsessions to run autoupdated client
+      this.removeEnvVar('REDIRECTED')
+      await this.init()
+      result = await this.run()
+    } catch (error: any) {
+      err = error
+      await this.catch(error)
+    } finally {
+      await this.finally(err)
+    }
+
+    if (result && this.jsonEnabled()) this.logJson(this.toSuccessJson(result))
+
+    return result as T
+  }
+
   protected async catch(err: CommandError): Promise<any> {
     process.exitCode = process.exitCode ?? err.exitCode ?? 1
     if (this.jsonEnabled()) {
@@ -221,7 +215,7 @@ export abstract class Command {
 
   protected async init(): Promise<any> {
     this.debug('init version: %s argv: %o', this.ctor._base, this.argv)
-    const g: any = global
+    const g: any = globalThis
     g['http-call'] = g['http-call'] || {}
     g['http-call']!.userAgent = this.config.userAgent
     this.warnIfCommandDeprecated()
@@ -243,9 +237,9 @@ export abstract class Command {
     const jsonIndex = this.argv.indexOf('--json')
     return passThroughIndex === -1
       ? // If '--' is not present, then check for `--json` in this.argv
-        jsonIndex > -1
+        jsonIndex !== -1
       : // If '--' is present, return true only the --json flag exists and is before the '--'
-        jsonIndex > -1 && jsonIndex < passThroughIndex
+        jsonIndex !== -1 && jsonIndex < passThroughIndex
   }
 
   public log(message = '', ...args: any[]): void {
@@ -293,6 +287,11 @@ export abstract class Command {
     return results
   }
 
+  /**
+   * actual command run code goes here
+   */
+  public abstract run(): Promise<any>
+
   protected toErrorJson(err: unknown): any {
     return {error: err}
   }
@@ -350,26 +349,6 @@ export abstract class Command {
     }
   }
 
-  protected async _run<T>(): Promise<T> {
-    let err: Error | undefined
-    let result: T | undefined
-    try {
-      // remove redirected env var to allow subsessions to run autoupdated client
-      this.removeEnvVar('REDIRECTED')
-      await this.init()
-      result = await this.run()
-    } catch (error: any) {
-      err = error
-      await this.catch(error)
-    } finally {
-      await this.finally(err)
-    }
-
-    if (result && this.jsonEnabled()) this.logJson(this.toSuccessJson(result))
-
-    return result as T
-  }
-
   private removeEnvVar(envVar: string): void {
     const keys: string[] = []
     try {