18 lines
480 B
Plaintext
18 lines
480 B
Plaintext
/**
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* @param {any} obj The object to inspect.
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* @returns {boolean} True if the argument appears to be a plain object.
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*/
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export default function isPlainObject(obj: unknown) {
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if (typeof obj !== 'object' || obj === null) return false
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const proto = Object.getPrototypeOf(obj)
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if (proto === null) return true
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let baseProto = proto
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while (Object.getPrototypeOf(baseProto) !== null) {
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baseProto = Object.getPrototypeOf(baseProto)
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}
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return proto === baseProto
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}
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