| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | /* Built-in method references for those with the same name as other `lodash` methods. */ |
| 2 | var nativeMax = Math.max; |
| 3 | |
| 4 | /** |
| 5 | * Creates an array that is the composition of partially applied arguments, |
| 6 | * placeholders, and provided arguments into a single array of arguments. |
| 7 | * |
| 8 | * @private |
| 9 | * @param {Array} args The provided arguments. |
| 10 | * @param {Array} partials The arguments to prepend 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 composeArgs(args, partials, holders, isCurried) { |
| 16 | var argsIndex = -1, |
| 17 | argsLength = args.length, |
| 18 | holdersLength = holders.length, |
| 19 | leftIndex = -1, |
| 20 | leftLength = partials.length, |
| 21 | rangeLength = nativeMax(argsLength - holdersLength, 0), |
| 22 | result = Array(leftLength + rangeLength), |
| 23 | isUncurried = !isCurried; |
| 24 | |
| 25 | while (++leftIndex < leftLength) { |
| 26 | result[leftIndex] = partials[leftIndex]; |
| 27 | } |
| 28 | while (++argsIndex < holdersLength) { |
| 29 | if (isUncurried || argsIndex < argsLength) { |
| 30 | result[holders[argsIndex]] = args[argsIndex]; |
| 31 | } |
| 32 | } |
| 33 | while (rangeLength--) { |
| 34 | result[leftIndex++] = args[argsIndex++]; |
| 35 | } |
| 36 | return result; |
| 37 | } |
| 38 | |
| 39 | module.exports = composeArgs; |