| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | |
| 3 | const stringReplaceAll = (string, substring, replacer) => { |
| 4 | let index = string.indexOf(substring); |
| 5 | if (index === -1) { |
| 6 | return string; |
| 7 | } |
| 8 | |
| 9 | const substringLength = substring.length; |
| 10 | let endIndex = 0; |
| 11 | let returnValue = ''; |
| 12 | do { |
| 13 | returnValue += string.substr(endIndex, index - endIndex) + substring + replacer; |
| 14 | endIndex = index + substringLength; |
| 15 | index = string.indexOf(substring, endIndex); |
| 16 | } while (index !== -1); |
| 17 | |
| 18 | returnValue += string.substr(endIndex); |
| 19 | return returnValue; |
| 20 | }; |
| 21 | |
| 22 | const stringEncaseCRLFWithFirstIndex = (string, prefix, postfix, index) => { |
| 23 | let endIndex = 0; |
| 24 | let returnValue = ''; |
| 25 | do { |
| 26 | const gotCR = string[index - 1] === '\r'; |
| 27 | returnValue += string.substr(endIndex, (gotCR ? index - 1 : index) - endIndex) + prefix + (gotCR ? '\r\n' : '\n') + postfix; |
| 28 | endIndex = index + 1; |
| 29 | index = string.indexOf('\n', endIndex); |
| 30 | } while (index !== -1); |
| 31 | |
| 32 | returnValue += string.substr(endIndex); |
| 33 | return returnValue; |
| 34 | }; |
| 35 | |
| 36 | module.exports = { |
| 37 | stringReplaceAll, |
| 38 | stringEncaseCRLFWithFirstIndex |
| 39 | }; |