| 1 | 'use strict';
|
| 2 |
|
| 3 | function helper(paper) {
|
| 4 | paper.handlebars.registerHelper('replace', function (needle, haystack) {
|
| 5 | const options = arguments[arguments.length - 1];
|
| 6 |
|
| 7 | if (typeof needle !== 'string') {
|
| 8 | return options.inverse(this);
|
| 9 | }
|
| 10 |
|
| 11 | const regex = new RegExp(escapeRegex(needle), 'g');
|
| 12 |
|
| 13 |
|
| 14 | if (typeof haystack === 'string' && regex.test(haystack)) {
|
| 15 | return haystack.replace(regex, options.fn(this));
|
| 16 | } else {
|
| 17 | return options.inverse(this);
|
| 18 | }
|
| 19 | });
|
| 20 | }
|
| 21 |
|
| 22 |
|
| 23 | function escapeRegex(string) {
|
| 24 | return string.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
|
| 25 | }
|
| 26 |
|
| 27 | module.exports = helper;
|