50 lines
1.6 KiB
TypeScript
50 lines
1.6 KiB
TypeScript
import { LoggerInstance } from './Logger'
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// Ox transformer
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export const zeroX = (input: string) => zeroXTransformer(input, true)
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export const noZeroX = (input: string) => zeroXTransformer(input, false)
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export function zeroXTransformer(input: string = '', zeroOutput: boolean) {
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const { valid, output } = inputMatch(
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input,
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/^(?:0x)*([a-f0-9]+)$/i,
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'zeroXTransformer'
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)
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return (zeroOutput && valid ? '0x' : '') + output
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}
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// did:op: transformer
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export const didPrefixed = (input: string) => didTransformer(input, true)
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export const noDidPrefixed = (input: string) => didTransformer(input, false)
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export function didTransformer(input: string = '', prefixOutput: boolean) {
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const { valid, output } = inputMatch(
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input,
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/^(?:0x|did:op:)*([a-f0-9]{64})$/i,
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'didTransformer'
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)
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return (prefixOutput && valid ? 'did:op:' : '') + output
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}
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// 0x + did:op: transformer
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export const didZeroX = (input: string) => zeroX(didTransformer(input, false))
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// Shared functions
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function inputMatch(
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input: string,
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regexp: RegExp,
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conversorName: string
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): { valid: boolean; output: string } {
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if (typeof input !== 'string') {
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LoggerInstance.debug('Not input string:')
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LoggerInstance.debug(input)
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throw new Error(
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`[${conversorName}] Expected string, input type: ${typeof input}`
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)
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}
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const match = input.match(regexp)
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if (!match) {
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LoggerInstance.warn(`[${conversorName}] Input transformation failed.`)
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return { valid: false, output: input }
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}
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return { valid: true, output: match[1] }
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}
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