22

✏️ Editing: composeArgsRight.js

/* Native method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max;

/**
 * This function is like `composeArgs` except that the arguments composition
 * is tailored for `_.partialRight`.
 *
 * @private
 * @param {Array|Object} args The provided arguments.
 * @param {Array} partials The arguments to append to those provided.
 * @param {Array} holders The `partials` placeholder indexes.
 * @returns {Array} Returns the new array of composed arguments.
 */
function composeArgsRight(args, partials, holders) {
  var holdersIndex = -1,
      holdersLength = holders.length,
      argsIndex = -1,
      argsLength = nativeMax(args.length - holdersLength, 0),
      rightIndex = -1,
      rightLength = partials.length,
      result = Array(argsLength + rightLength);

while (++argsIndex < argsLength) {
    result[argsIndex] = args[argsIndex];
  }
  var offset = argsIndex;
  while (++rightIndex < rightLength) {
    result[offset + rightIndex] = partials[rightIndex];
  }
  while (++holdersIndex < holdersLength) {
    result[offset + holders[holdersIndex]] = args[argsIndex++];
  }
  return result;
}

module.exports = composeArgsRight;

MR SKB