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is-promise.mjs|title=isPromise returns `false` if passed object has no `then` property|occurrence=1

Exact test identity: mocha:v1|namespace=yargs@4153e0f097aeaf43a71a2530db6dda51dff2c544:main|file=test/is-promise.mjs|title=isPromise returns `false` if passed object has no `then` property|occurrence=1

Package: mocha:v1|namespace=yargs@4153e0f097aeaf43a71a2530db6dda51dff2c544:main|file=test
Suite / test hierarchy: is-promise.mjs|title=isPromise returns `false` if passed object has no `then` property|occurrence=1
Test: is-promise.mjs|title=isPromise returns `false` if passed object has no `then` property|occurrence=1
Introduced at: is-promise.ts ×2 Frontier kind: Joint frontier
Covered ranges: 3
Covered lines: 8
Covered files: 1

Co-introduced tests

2 other tests enter at the same concept.

Covered source

Expand a file to inspect source; the > gutter marks covered lines.

lib/utils/is-promise.ts 8 covered LOC · 3 ranges

Open complete file

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  >
  export function isPromise<T>(
  
is-promise.ts

  2
  >
    maybePromise: T | Promise<T>
  
is-promise.ts

  3
  >
  ): maybePromise is Promise<T> {
  
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  >
    return (
  
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  >
      !!maybePromise &&
  
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      !!(maybePromise as Promise<T>).then &&
  
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      typeof (maybePromise as Promise<T>).then === 'function'
  
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  >
    );
  
is-promise.ts

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  >
  }