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41 lines
1.4 KiB
41 lines
1.4 KiB
/* Built-in method references for those with the same name as other `lodash` methods. */ |
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var nativeMax = Math.max; |
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/** |
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* This function is like `composeArgs` except that the arguments composition |
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* is tailored for `_.partialRight`. |
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* |
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* @private |
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* @param {Array} args The provided arguments. |
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* @param {Array} partials The arguments to append to those provided. |
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* @param {Array} holders The `partials` placeholder indexes. |
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* @params {boolean} [isCurried] Specify composing for a curried function. |
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* @returns {Array} Returns the new array of composed arguments. |
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*/ |
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function composeArgsRight(args, partials, holders, isCurried) { |
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var argsIndex = -1, |
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argsLength = args.length, |
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holdersIndex = -1, |
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holdersLength = holders.length, |
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rightIndex = -1, |
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rightLength = partials.length, |
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rangeLength = nativeMax(argsLength - holdersLength, 0), |
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result = Array(rangeLength + rightLength), |
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isUncurried = !isCurried; |
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while (++argsIndex < rangeLength) { |
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result[argsIndex] = args[argsIndex]; |
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} |
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var offset = argsIndex; |
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while (++rightIndex < rightLength) { |
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result[offset + rightIndex] = partials[rightIndex]; |
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} |
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while (++holdersIndex < holdersLength) { |
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if (isUncurried || argsIndex < argsLength) { |
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result[offset + holders[holdersIndex]] = args[argsIndex++]; |
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} |
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} |
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return result; |
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} |
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module.exports = composeArgsRight;
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