14 lines
366 B
Plaintext
14 lines
366 B
Plaintext
// @flow strict
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/**
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* Returns true if the value acts like a Promise, i.e. has a "then" function,
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* otherwise returns false.
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*/
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declare function isPromise(value: mixed): boolean %checks(value instanceof
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Promise);
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// eslint-disable-next-line no-redeclare
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export default function isPromise(value) {
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return Boolean(value && typeof value.then === 'function');
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}
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