40 lines
857 B
JavaScript
40 lines
857 B
JavaScript
let ARRAY = Symbol()
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let OBJECT = Symbol()
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let REGEXP = Symbol()
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let DATE = Symbol()
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let BUFFER = Symbol()
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let array
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let recurse = obj => {
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let temp
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switch (typeof obj === 'object' && obj !== null && Object.getPrototypeOf(obj)) {
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case Array.prototype:
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array.push(ARRAY, obj.length)
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obj.forEach(recurse)
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break
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case Object.prototype:
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temp = [...Object.getOwnPropertyNames(obj).sort(), ...Object.getOwnPropertySymbols(obj)]
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array.push(OBJECT, temp.length, ...temp)
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temp.forEach(key => recurse(obj[key]))
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break
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case RegExp.prototype:
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array.push(REGEXP, obj.toString())
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break
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case Date.prototype:
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array.push(DATE, obj.getTime())
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break
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case Buffer.prototype:
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array.push(BUFFER, obj.toString('binary'))
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break
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default:
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array.push(obj)
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}
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}
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export default obj => {
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array = []
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recurse(obj)
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return array
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}
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