Eslint - Parsing error: Invalid value for lib provided: es2022

Question

I wanted to use Array.prototype.at() from es2022 but typescript told me I should set the lib property of the tsconfig to es2022 if I wanted to use it. I did and it works and it compiles.

However, now eslint is giving me an error at the top of every TS files.

Parsing error: Invalid value for lib provided: es2022eslint

I found surprisingly very little information about that error on the net. I saw similar questions asked there and there but that didn't helped me.

Here is my tsconfig:

{
    "compileOnSave": false,
    "compilerOptions": {
        "baseUrl": "./",
        "outDir": "./dist/out-tsc",
        "forceConsistentCasingInFileNames": true,
        "strict": true,
        "strictNullChecks": false,
        "noImplicitReturns": true,
        "noFallthroughCasesInSwitch": true,
        "sourceMap": true,
        "declaration": false,
        "downlevelIteration": true,
        "experimentalDecorators": true,
        "moduleResolution": "node",
        "importHelpers": true,
        "target": "es2020",
        "module": "es2020",
        "lib": ["es2022", "dom"],
        "paths": {
            "@app/*": ["src/app/*"],
            "@env/*": ["src/environments/*"]
        }
    },
    "angularCompilerOptions": {
        "enableI18nLegacyMessageIdFormat": false,
        "strictInjectionParameters": true,
        "strictInputAccessModifiers": true,
        "strictTemplates": true
    }
}

Here is the relevant part of my .eslintrc.json:

"parserOptions": {
    "project": ["tsconfig.json", "e2e/tsconfig.json"],
    "createDefaultProgram": true,
    "ecmaVersion": "latest"
},

I tried to set ecmaVersion to 2021, 2022 and latest but that error keeps poping.

Is there a way to tell eslint to ignore that error ? or disable that check ? The project compiles fine.

Answer 1

Check your @typescript-eslint/eslint-plugin version. If your typescript version is newer than @typescript-eslint/eslint-plugin shows that error.

Answer 2

I fixed this by explicitly instructing ESLint to use @typescript-eslint/parser: in your .eslintrc.json add

  "parser": "@typescript-eslint/parser",

at the top level. (This is assuming you already have the necessary typescript-eslint packages in your project.)