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ES6 Naive Data Binding
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
<title>Test</title> | |
<link rel="stylesheet" href=""> | |
<style> | |
body { background-color: rice; } | |
ul { | |
border: 2px dotted black; | |
} | |
</style> | |
</head> | |
<body> | |
<ul id="list"></ul> | |
<script src="main.js"></script> | |
</body> | |
</html> |
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HTMLElement.prototype.bindData = function(data, templateFn){ | |
if (templateFn) { | |
this.innerHTML = templateFn(data); | |
} else { | |
this.innerHTML = JSON.stringify(data); | |
} | |
}; | |
let proxy = (scope, fn) => { | |
let p = new Proxy(scope, { | |
set: (obj, k, v) => { | |
obj[k] = v; | |
fn(scope); | |
} | |
}); | |
return p; | |
}; | |
// Model | |
const data = { | |
flights: [ | |
{ "label": "UN407", "value": 3407 }, | |
{ "label": "SW102", "value": 2102 }, | |
{ "label": "AA377", "value": 1377 } | |
] | |
}; | |
const scope = Object.assign({}, data); | |
// View | |
const listElm = document.getElementById('list'); | |
let syncList = scope => scope.flights.map(x => `<li>${x.label}</li>`).join(''); | |
// Controller | |
let f = proxy(scope, (scope) => listElm.bindData(scope, syncList)); | |
f.flights = f.flights; | |
setInterval(() => { | |
f.flights = f.flights.filter(x => x.value < 2000); | |
}, 2000); | |
setTimeout(() => { | |
setInterval(() => { | |
f.flights = data.flights; | |
}, 2000); | |
}, 1000); |
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