time-to-botec

Benchmark sampling in different programming languages
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_charsStartIndex.js (636B)

      1 var baseIndexOf = require('./_baseIndexOf');
      2 
      3 /**
      4  * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
      5  * that is not found in the character symbols.
      6  *
      7  * @private
      8  * @param {Array} strSymbols The string symbols to inspect.
      9  * @param {Array} chrSymbols The character symbols to find.
     10  * @returns {number} Returns the index of the first unmatched string symbol.
     11  */
     12 function charsStartIndex(strSymbols, chrSymbols) {
     13   var index = -1,
     14       length = strSymbols.length;
     15 
     16   while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
     17   return index;
     18 }
     19 
     20 module.exports = charsStartIndex;