12 lines
312 B
TypeScript
12 lines
312 B
TypeScript
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import { isObjectLike } from './is-object-like'
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import { objectToString } from './_objectToString'
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const numberTag = '[object Number]'
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export function isNumber(value?: any): value is number {
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return (
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typeof value == 'number' ||
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(isObjectLike(value) && objectToString.call(value) == numberTag)
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)
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}
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