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- 'use strict';
- const escapeStringRegexp = require('escape-string-regexp');
- const mapping = require('./lib/mappings');
- const hasFlags = (regexFlags, replaceFlags) => {
- if (!replaceFlags) {
- return true;
- }
- // Check if every flag in the replace flags is part of the original regex flags
- return replaceFlags.split('').every(flag => regexFlags.includes(flag));
- };
- module.exports = (regexp, flags) => {
- flags = flags || '';
- if (typeof regexp !== 'string') {
- throw new TypeError(`Expected regexp to be of type \`string\`, got \`${typeof regexp}\``);
- }
- if (typeof flags !== 'string') {
- throw new TypeError(`Expected flags to be of type \`string\`, got \`${typeof flags}\``);
- }
- for (const replace of mapping) {
- const key = replace[0];
- const replacement = replace[1];
- if (hasFlags(flags, replacement.flags)) {
- regexp = regexp.replace(new RegExp(escapeStringRegexp(key), 'g'), replacement.value);
- }
- }
- return regexp;
- };
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