forked from lix-project/lix-website
21 lines
636 B
JavaScript
21 lines
636 B
JavaScript
|
var baseIndexOf = require('./_baseIndexOf');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
|
||
|
|
* that is not found in the character symbols.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @param {Array} strSymbols The string symbols to inspect.
|
||
|
|
* @param {Array} chrSymbols The character symbols to find.
|
||
|
|
* @returns {number} Returns the index of the first unmatched string symbol.
|
||
|
|
*/
|
||
|
|
function charsStartIndex(strSymbols, chrSymbols) {
|
||
|
|
var index = -1,
|
||
|
|
length = strSymbols.length;
|
||
|
|
|
||
|
|
while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
|
||
|
|
return index;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = charsStartIndex;
|