index.js
485 Bytes
'use strict';
var repeating = require('repeating');
module.exports = function (str, indent, count) {
if (typeof str !== 'string' || typeof indent !== 'string') {
throw new TypeError('`string` and `indent` should be strings');
}
if (count != null && typeof count !== 'number') {
throw new TypeError('`count` should be a number');
}
if (count === 0) {
return str;
}
indent = count > 1 ? repeating(indent, count) : indent;
return str.replace(/^(?!\s*$)/mg, indent);
};