21 lines
498 B
JavaScript
21 lines
498 B
JavaScript
import padStart from 'lodash/padStart'
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export function toPaddedBigInt (id) {
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return padStart(id, 30, '0')
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}
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export function toReversePaddedBigInt (id) {
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let bigInt = toPaddedBigInt(id)
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let res = ''
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for (let i = 0; i < bigInt.length; i++) {
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res += (9 - parseInt(bigInt.charAt(i), 10)).toString(10)
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}
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return res
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}
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export function byItemIds (a, b) {
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let aPadded = toPaddedBigInt(a)
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let bPadded = toPaddedBigInt(b)
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return aPadded < bPadded ? -1 : aPadded === bPadded ? 0 : 1
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}
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