TypeScript Version: 2.6.2 xxxxx

Search Terms:

"Option 'declarationDir' cannot be specified without specifying option 'declaration'"

Code

Assuming have tsconfig.json like this:

{
  "compilerOptions": {
    "module": "esnext",
    "target": "es6",
    "lib": ["es6", "dom"],
    "moduleResolution": "node",
    "declarationDir": "dist/types",
    "declaration": true,
  }
}

Expected behavior:
In terminal:

tsc --declaration false

or

tsc --declaration false ----declarationDir ''

wroks.

Actual behavior:

In terminal:

tsc --declaration false

reports: "error TS5052: Option 'declarationDir' cannot be specified without specifying option 'declaration'."

tsc --declaration false ----declarationDir ''

reports: "error TS6044: Compiler option 'declarationDir' expects an argument."

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