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Is this a warning caused by the VSCode parser, or is there something wrong in my tsconfig.json file?

// tsconfig.json
  "exclude": [
    "node_modules"
  "extends": "../../tsconfig.json",
  "files": [
    "package.json"
  "include": [
    "src/**/*"
  "compilerOptions": {
    /* Basic Options */
    "outDir": "dist",
    /* Module Resolution Options */
    "baseUrl": ".",
In my case I was builiding a monorepo and referencing one of the packages into another package.
All I had to do was remove composite: true from tsconfig.json and it worked.
                This worked for me, but what functionality are we losing by removing composite? I'm referring to my package tsconfig.json from a base tsconfig.json using references.
– dimiguel
                Sep 25, 2022 at 23:24
Samuel's suggestion works great for me.
I got the same error for another reason, I use .json files as static mocks for tests - importing them as modules. In my case the files are nested inside src, and adding an explicit pattern to include .json files did the trick for me:
  "include": [
    // ...other includes
    "src/**/*.json"
Referring to the question asked - this should work:
  "include": [
    "src/**/*",
    "package.json" // <---
                but I got: error TS6059: File 'package.json' is not under 'rootDir' 'src'. 'rootDir' is expected to contain all source files.
– 蔡宗容
                Jan 5, 2022 at 7:07
                I already had these in the topmost tsconfig.json file, but to make sure I also dropped it in the nested one (the file from the OP); it did NOT work
– Paul Razvan Berg
                Feb 2, 2020 at 18:19
                If this doesn’t work, you’re most likely running into this bug: github.com/microsoft/TypeScript/pull/…
– Florian Wendelborn
                Feb 13, 2020 at 13:42
        
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