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7 months ago
// TODO: When targeting Node.js 16, use `String.prototype.replaceAll`.
export function stringReplaceAll(string, substring, replacer) {
let index = string.indexOf(substring);
if (index === -1) {
return string;
}
const substringLength = substring.length;
let endIndex = 0;
let returnValue = '';
do {
returnValue += string.substr(endIndex, index - endIndex) + substring + replacer;
endIndex = index + substringLength;
index = string.indexOf(substring, endIndex);
} while (index !== -1);
returnValue += string.slice(endIndex);
return returnValue;
}
export function stringEncaseCRLFWithFirstIndex(string, prefix, postfix, index) {
let endIndex = 0;
let returnValue = '';
do {
const gotCR = string[index - 1] === '\r';
returnValue +=
string.substr(endIndex, (gotCR ? index - 1 : index) - endIndex) +
prefix +
(gotCR ? '\r\n' : '\n') +
postfix;
endIndex = index + 1;
index = string.indexOf('\n', endIndex);
} while (index !== -1);
returnValue += string.slice(endIndex);
return returnValue;
}