flux-with-native-javascript/index.html at master · nowycondro/flux-with-native-javascript · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
<!DOCTYPE html>
<html>
    <body>
        <input id="input" type="text">
        <div id="result"></div>
        <script type="text/javascript">
            var Render = {
                init: function(element, store){
                    this.element = element;
                    this.store = store;
                    window.addEventListener('render-view', this);
                },

                handleEvent: function(e){
                    switch(e.type){
                        case 'render-view':
                            this.element.textContent = this.store.get();
                            console.timeEnd("[diff] input vs render");
                        break;
                    }
                }
            };

            function Store() {
                this._data = 0;
            }

            Store.prototype = {
                init: function(){
                    window.addEventListener('set-store',this);
                },

                handleEvent: function(e){
                    switch(e.type){
                        case 'set-store':
                            this.set(e.detail.val);
                        break;
                    }
                },

                get: function (val) {
                    return this._data;
                },

                set: function(val) {
                    this._data = val;
                    window.dispatchEvent(new CustomEvent('render-view'));
                }
            };

            var Dispatcher = {
                init: function(){
                    var self = this;

                    "keydown keyup input".split(" ").forEach(function(e){
                        window.addEventListener(e, self);
                    });

                    this.store = new Store();
                    this.store.init();

                    this.resultElem = document.getElementById('result');
                    this.inputElem = document.getElementById('input');

                    Render.init(this.resultElem, this.store);
                },

                handleEvent: function(e){
                    switch(e.type){
                        case 'input':
                            switch (e.target) {
                                case this.inputElem:
                                    console.time("[diff] input vs render");
                                    window.dispatchEvent(
                                        new CustomEvent('set-store', {
                                            detail: {
                                                val: e.target.value
                                            }
                                        })
                                    );
                                break;
                            }
                        break;
                    }
                }
            };

            Dispatcher.init();
        </script>
	</body>
</html>