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[6a3a178] | 1 | var apply = require('./_apply');
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| 2 |
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| 3 | /* Built-in method references for those with the same name as other `lodash` methods. */
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| 4 | var nativeMax = Math.max;
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| 5 |
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| 6 | /**
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| 7 | * A specialized version of `baseRest` which transforms the rest array.
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| 8 | *
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| 9 | * @private
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| 10 | * @param {Function} func The function to apply a rest parameter to.
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| 11 | * @param {number} [start=func.length-1] The start position of the rest parameter.
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| 12 | * @param {Function} transform The rest array transform.
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| 13 | * @returns {Function} Returns the new function.
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| 14 | */
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| 15 | function overRest(func, start, transform) {
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| 16 | start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
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| 17 | return function() {
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| 18 | var args = arguments,
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| 19 | index = -1,
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| 20 | length = nativeMax(args.length - start, 0),
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| 21 | array = Array(length);
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| 22 |
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| 23 | while (++index < length) {
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| 24 | array[index] = args[start + index];
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| 25 | }
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| 26 | index = -1;
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| 27 | var otherArgs = Array(start + 1);
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| 28 | while (++index < start) {
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| 29 | otherArgs[index] = args[index];
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| 30 | }
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| 31 | otherArgs[start] = transform(array);
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| 32 | return apply(func, this, otherArgs);
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| 33 | };
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| 34 | }
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| 35 |
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| 36 | module.exports = overRest;
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