32 lines
806 B
TypeScript
32 lines
806 B
TypeScript
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import { isObject, isSymbol } from '@vue/shared'
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const NAN = 0 / 0
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const reTrim = /^\s+|\s+$/g
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const reIsBinary = /^0b[01]+$/i
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const reIsOctal = /^0o[0-7]+$/i
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const reIsBadHex = /^[-+]0x[0-9a-f]+$/i
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export function toNumber(value: any) {
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if (typeof value == 'number') {
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return value
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}
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if (isSymbol(value)) {
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return NAN
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}
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if (isObject(value)) {
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const other = typeof value.valueOf == 'function' ? value.valueOf() : value
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value = isObject(other) ? `${other}` : other
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}
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if (typeof value != 'string') {
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return value === 0 ? value : +value
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}
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value = value.replace(reTrim, '')
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const isBinary = reIsBinary.test(value)
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return isBinary || reIsOctal.test(value)
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? Number.parseInt(value.slice(2), isBinary ? 2 : 8)
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: reIsBadHex.test(value)
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? NAN
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: +value
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}
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