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@tolotrasmile
Created November 24, 2023 15:47
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export const enum PadOrder {
Ascending,
Descending,
}
export function pad(
value: string,
paddingChar: string,
totalLength: number,
accumulator: (p: string, v: string) => string
): string {
if (paddingChar && paddingChar.length > 0) {
while (value.length < totalLength) {
value = accumulator(paddingChar, value)
}
}
return value
}
export function padLeft(
value: string,
paddingChar: string,
totalLength: number
): string {
return pad(value, paddingChar, totalLength, (p, v) => p + v)
}
export function padRight(
value: string,
paddingChar: string,
totalLength: number
): string {
return pad(value, paddingChar, totalLength, (p, v) => v + p)
}
export function getLeftPaddedNumbers(
leastNumber: number,
greatestNumber: number,
order: PadOrder
): string[] {
switch (order) {
case PadOrder.Ascending:
return getLeftPaddedNumbersAscending(leastNumber, greatestNumber)
case PadOrder.Descending:
return getLeftPaddedNumbersDescending(leastNumber, greatestNumber)
}
}
export function getLeftPaddedNumbersAscending(
leastNumber: number,
greatestNumber: number
): string[] {
const result: string[] = []
const length = greatestNumber.toString().length
for (let i = leastNumber; i <= greatestNumber; i++) {
result.push(padLeft(i.toString(), '0', length))
}
return result
}
export function getLeftPaddedNumbersDescending(
leastNumber: number,
greatestNumber: number
): string[] {
const result: string[] = []
const length = greatestNumber.toString().length
for (let i = greatestNumber; i >= leastNumber; i--) {
result.push(padLeft(i.toString(), '0', length))
}
return result
}
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