| 1 |
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| 2 |
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| 3 | /**
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| 4 | * Returns a function that composes multiple functions, passing results to
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| 5 | * each other.
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| 6 | */
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| 7 | function compose() {
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| 8 | var fns = arguments;
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| 9 | return function(arg){
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| 10 | // only cares about the first argument since the chain can only
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| 11 | // deal with a single return value anyway. It should start from
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| 12 | // the last fn.
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| 13 | var n = fns.length;
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| 14 | while (n--) {
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| 15 | arg = fns[n].call(this, arg);
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| 16 | }
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| 17 | return arg;
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| 18 | };
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| 19 | }
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| 20 |
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| 21 | module.exports = compose;
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| 22 |
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| 23 |
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