10 examples of 'componentwillreceiveprops hooks' in JavaScript

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31afterComponentDidUpdate(cb: () => void): void {
32 this._afterComponentDidUpdateQueue.push(cb);
33}
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58function callUpdateHooks (oldVNode: VNode, vNode: VNode): VNode {
59 const [updatedOldVNode, updatedVNode] = reduce(function ([oldVNode, vNode]: [VNode, VNode], module: Module): [VNode, VNode] {
60 return [vNode, module.update(oldVNode, vNode)]
61 }, [oldVNode, vNode], modules)
62
63 const update = !isUndef(updatedVNode.data) && updatedVNode.data.update || id
64
65 return update(updatedOldVNode, updatedVNode)
66}
33export function recordLicecycleHooks(hooks, component) {
34 for (const key in hooks) {
35 if (component[key]) {
36 hooks[key].push(component[key].bind(component))
37 }
38 }
39}
51componentDidMount() {
52 this.props.onStarted();
53}
233const withHooks = function withHooks(component, customHooks) {
234 let rest = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
235 const customHooksFn = customHooks !== undefined && customHooks !== null ? customHooks : () => {};
236 return hookupComponent(hooks => component(_objectSpread({}, hooks, customHooksFn(hooks), rest)));
237};
168componentDidMount() {
169 this.runCycleHooks('didMount');
170}
105public componentDidMount() {
106 const { getInternalHooks }: InternalFormInstance = this.context;
107 const { registerField } = getInternalHooks(HOOK_MARK);
108 this.cancelRegisterFunc = registerField(this);
109}
7constructor(props) {
8 super(props);
9 this.runOnUpdateCallback(props);
10}
3function Hooks(props) {
4 // Declare a new state variable, which we'll call "count"
5 // console.log(props);
6 const [count, setCount] = useState(0)
7 const [width, setWithd] = useState(window.innerWidth);
8 // Similar to componentDidMount and componentDidUpdate:
9 useEffect(() => {
10 // Update the document title using the browser API
11 document.title = `You clicked ${count} times`;
12 const handleResize = ()=>{
13 setWithd(window.innerWidth);
14 }
15 window.addEventListener('resize', handleResize);
16
17 // return () => (document.title = "前端精读");
18
19 },[width]);
20
21 return (
22 <div>
23 <Card title="React Hooks" bordered={false}>
24 <div>
25 <p> 窗口宽度{ width }px</p>
26 <p>You clicked {count} times</p>
27 <Button type="primary" onClick={() => setCount(count + 1)}>
28 Click me
29 </Button>
30 </div>
31 </Card>
32 </div>
33 );
34}
1396function Hooks(props) {
1397 _classCallCheck(this, Hooks);
1398
1399 var _this = _possibleConstructorReturn(this, (Hooks.__proto__ || Object.getPrototypeOf(Hooks)).call(this, props));
1400
1401 _this.onRender = function (_ref) {
1402 var current = _ref.current,
1403 from = _ref.from,
1404 to = _ref.to;
1405
1406 if (_this.ref) {
1407 _this.ref.innerHTML = '\n from: ' + from.toFixed(2) + ',\n to: ' + to.toFixed(2) + ',\n current: ' + current.toFixed(2) + '\n ';
1408 }
1409 };
1410
1411 _this.onMeasure = function (_ref2) {
1412 var height = _ref2.height,
1413 width = _ref2.width;
1414
1415 _this.setState({ height: height, width: width });
1416 };
1417
1418 _this.onRest = function () {
1419 _this.setState({ isResting: true });
1420 };
1421
1422 _this.onRef = function (ref) {
1423 _this.ref = ref;
1424 };
1425
1426 _this.state = {
1427 isOpened: false,
1428 isResting: false,
1429 height: -1,
1430 width: -1,
1431 paragraphs: 0
1432 };
1433 return _this;
1434}

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