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Improve plainObject() (#169)

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ehmicky 2022-06-21 14:05:40 +02:00 • committed by GitHub
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commit 45cae31f4d
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1 changed files with 2 additions and 2 deletions
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source/index.ts
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@ -286,14 +286,14 @@ is.safeInteger = (value: unknown): value is number => Number.isSafeInteger(value
is.plainObject = <Value = unknown>(value: unknown): value is Record<PropertyKey, Value> => {
// From: https://github.com/sindresorhus/is-plain-obj/blob/main/index.js
if (toString.call(value) !== '[object Object]') {
if (typeof value !== 'object' || value === null) {
return false;
}
// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
const prototype = Object.getPrototypeOf(value);
return prototype === null || prototype === Object.getPrototypeOf({});
return (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in value) && !(Symbol.iterator in value);
};
is.typedArray = (value: unknown): value is TypedArray => isTypedArrayName(getObjectType(value));