time-to-botec

Benchmark sampling in different programming languages
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_baseFindIndex.js (766B)


      1 /**
      2  * The base implementation of `_.findIndex` and `_.findLastIndex` without
      3  * support for iteratee shorthands.
      4  *
      5  * @private
      6  * @param {Array} array The array to inspect.
      7  * @param {Function} predicate The function invoked per iteration.
      8  * @param {number} fromIndex The index to search from.
      9  * @param {boolean} [fromRight] Specify iterating from right to left.
     10  * @returns {number} Returns the index of the matched value, else `-1`.
     11  */
     12 function baseFindIndex(array, predicate, fromIndex, fromRight) {
     13   var length = array.length,
     14       index = fromIndex + (fromRight ? 1 : -1);
     15 
     16   while ((fromRight ? index-- : ++index < length)) {
     17     if (predicate(array[index], index, array)) {
     18       return index;
     19     }
     20   }
     21   return -1;
     22 }
     23 
     24 module.exports = baseFindIndex;