mirror of
https://github.com/musix-org/musix-oss
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62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
var apply = require('./_apply'),
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arrayMap = require('./_arrayMap'),
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baseFlatten = require('./_baseFlatten'),
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baseIteratee = require('./_baseIteratee'),
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baseRest = require('./_baseRest'),
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baseUnary = require('./_baseUnary'),
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castRest = require('./_castRest'),
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isArray = require('./isArray');
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeMin = Math.min;
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/**
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* Creates a function that invokes `func` with its arguments transformed.
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*
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* @static
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* @since 4.0.0
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* @memberOf _
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* @category Function
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* @param {Function} func The function to wrap.
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* @param {...(Function|Function[])} [transforms=[_.identity]]
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* The argument transforms.
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* @returns {Function} Returns the new function.
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* @example
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*
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* function doubled(n) {
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* return n * 2;
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* }
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*
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* function square(n) {
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* return n * n;
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* }
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*
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* var func = _.overArgs(function(x, y) {
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* return [x, y];
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* }, [square, doubled]);
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*
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* func(9, 3);
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* // => [81, 6]
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*
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* func(10, 5);
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* // => [100, 10]
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*/
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var overArgs = castRest(function(func, transforms) {
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transforms = (transforms.length == 1 && isArray(transforms[0]))
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? arrayMap(transforms[0], baseUnary(baseIteratee))
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: arrayMap(baseFlatten(transforms, 1), baseUnary(baseIteratee));
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var funcsLength = transforms.length;
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return baseRest(function(args) {
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var index = -1,
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length = nativeMin(args.length, funcsLength);
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while (++index < length) {
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args[index] = transforms[index].call(this, args[index]);
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}
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return apply(func, this, args);
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});
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});
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module.exports = overArgs;
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