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Improve the type assertion for is.asyncFunction

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Sindre Sorhus 2019-11-07 16:28:20 +07:00
parent af6b03d67f
commit c25b606c3b
3 changed files with 8 additions and 3 deletions
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3
source/index.ts
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@ -152,8 +152,7 @@ is.promise = (value: unknown): value is Promise<unknown> => is.nativePromise(val
is.generatorFunction = isObjectOfType<GeneratorFunction>(TypeName.GeneratorFunction);
// eslint-disable-next-line @typescript-eslint/ban-types
is.asyncFunction = isObjectOfType<Function>(TypeName.AsyncFunction);
is.asyncFunction = (value: unknown): value is ((...args: any[]) => Promise<unknown>) => getObjectType(value) === TypeName.AsyncFunction;
// eslint-disable-next-line no-prototype-builtins, @typescript-eslint/ban-types
is.boundFunction = (value: unknown): value is Function => is.function_(value) && !value.hasOwnProperty('prototype');