javascript curry 柯里化函數仿lodash的curry

時間 2019-12-02

標籤 javascript curry 函數 lodash 欄目 JavaScript 简体版

原文原文鏈接

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>curry</title>
</head>
<body>
<script>
    function curry(fn) {
        var  _argLen = fn.length

        function wrap() {
            var _args = [].slice.call(arguments)
            function act() {
                _args = _args.concat([].slice.call(arguments))
                if(_args.length === _argLen) {
                    return fn.apply(null, _args)
                }
                return arguments.callee
            }
            if(_args.length === _argLen) {
                    return fn.apply(null, _args)
            }

            act.toString = function() {
                return fn.toString()
            }
            return act
        }

        return wrap
    }

    var abc = function(a, b, c) {
        return [a, b, c]
    }

    var curried = curry(abc)
    
    console.log(curried(1)(2)(3))
    // => [1, 2, 3]

    console.log(curried(1, 2, 3))
    // => [1, 2, 3]

    console.log(curried(1, 2)(3))
    // => [1, 2, 3]

    console.log(curried(1)(2, 3))
    // => [1, 2, 3]

</script>
</body>
</html>

相關標籤/搜索

javascript curry 柯里化函數 仿lodash的curry

javascript curry 柯里化函數仿lodash的curry