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