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- var baseToString = require('./_baseToString'),
- castSlice = require('./_castSlice'),
- charsStartIndex = require('./_charsStartIndex'),
- stringToArray = require('./_stringToArray'),
- toString = require('./toString');
- var reTrimStart = /^\s+/;
- function trimStart(string, chars, guard) {
- string = toString(string);
- if (string && (guard || chars === undefined)) {
- return string.replace(reTrimStart, '');
- }
- if (!string || !(chars = baseToString(chars))) {
- return string;
- }
- var strSymbols = stringToArray(string),
- start = charsStartIndex(strSymbols, stringToArray(chars));
- return castSlice(strSymbols, start).join('');
- }
- module.exports = trimStart;
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