time-to-botec

Benchmark sampling in different programming languages
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_composeArgsRight.js (1388B)

      1 /* Built-in method references for those with the same name as other `lodash` methods. */
      2 var nativeMax = Math.max;
      3 
      4 /**
      5  * This function is like `composeArgs` except that the arguments composition
      6  * is tailored for `_.partialRight`.
      7  *
      8  * @private
      9  * @param {Array} args The provided arguments.
     10  * @param {Array} partials The arguments to append to those provided.
     11  * @param {Array} holders The `partials` placeholder indexes.
     12  * @params {boolean} [isCurried] Specify composing for a curried function.
     13  * @returns {Array} Returns the new array of composed arguments.
     14  */
     15 function composeArgsRight(args, partials, holders, isCurried) {
     16   var argsIndex = -1,
     17       argsLength = args.length,
     18       holdersIndex = -1,
     19       holdersLength = holders.length,
     20       rightIndex = -1,
     21       rightLength = partials.length,
     22       rangeLength = nativeMax(argsLength - holdersLength, 0),
     23       result = Array(rangeLength + rightLength),
     24       isUncurried = !isCurried;
     25 
     26   while (++argsIndex < rangeLength) {
     27     result[argsIndex] = args[argsIndex];
     28   }
     29   var offset = argsIndex;
     30   while (++rightIndex < rightLength) {
     31     result[offset + rightIndex] = partials[rightIndex];
     32   }
     33   while (++holdersIndex < holdersLength) {
     34     if (isUncurried || argsIndex < argsLength) {
     35       result[offset + holders[holdersIndex]] = args[argsIndex++];
     36     }
     37   }
     38   return result;
     39 }
     40 
     41 module.exports = composeArgsRight;