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ban-ts-comment

NOTE: this rule is part of the recommended rule set.
Enable full set in deno.json:
{
  "lint": {
    "tags": ["recommended"]
  }
}
Enable full set using the Deno CLI:
deno lint --tags=recommended

Disallows the use of Typescript directives without a comment.

Typescript directives reduce the effectiveness of the compiler, something which should only be done in exceptional circumstances. The reason why should be documented in a comment alongside the directive.

Invalid:

// @ts-expect-error
let a: number = "I am a string";
// @ts-ignore
let a: number = "I am a string";
// @ts-nocheck
let a: number = "I am a string";

Valid:

// @ts-expect-error: Temporary workaround (see ticket #422)
let a: number = "I am a string";
// @ts-ignore: Temporary workaround (see ticket #422)
let a: number = "I am a string";
// @ts-nocheck: Temporary workaround (see ticket #422)
let a: number = "I am a string";

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