40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
|
/* Built-in method references for those with the same name as other `lodash` methods. */
|
||
|
|
var nativeMax = Math.max;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates an array that is the composition of partially applied arguments,
|
||
|
|
* placeholders, and provided arguments into a single array of arguments.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @param {Array} args The provided arguments.
|
||
|
|
* @param {Array} partials The arguments to prepend to those provided.
|
||
|
|
* @param {Array} holders The `partials` placeholder indexes.
|
||
|
|
* @params {boolean} [isCurried] Specify composing for a curried function.
|
||
|
|
* @returns {Array} Returns the new array of composed arguments.
|
||
|
|
*/
|
||
|
|
function composeArgs(args, partials, holders, isCurried) {
|
||
|
|
var argsIndex = -1,
|
||
|
|
argsLength = args.length,
|
||
|
|
holdersLength = holders.length,
|
||
|
|
leftIndex = -1,
|
||
|
|
leftLength = partials.length,
|
||
|
|
rangeLength = nativeMax(argsLength - holdersLength, 0),
|
||
|
|
result = Array(leftLength + rangeLength),
|
||
|
|
isUncurried = !isCurried;
|
||
|
|
|
||
|
|
while (++leftIndex < leftLength) {
|
||
|
|
result[leftIndex] = partials[leftIndex];
|
||
|
|
}
|
||
|
|
while (++argsIndex < holdersLength) {
|
||
|
|
if (isUncurried || argsIndex < argsLength) {
|
||
|
|
result[holders[argsIndex]] = args[argsIndex];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while (rangeLength--) {
|
||
|
|
result[leftIndex++] = args[argsIndex++];
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = composeArgs;
|