10 examples of 'how to pass function as props in react' in JavaScript

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77function findReactProps(component) {
78 if (!component) return undefined;
79 if (component.memoizedProps) return component.memoizedProps; // React 16 Fiber
80 if (component._currentElement && component._currentElement.props) return component._currentElement.props; // React <=15
81
82}
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34function mapToProps(_, _ref) {
35 var phone = _ref.phone,
36 _ref$phone = _ref.phone,
37 call = _ref$phone.call,
38 dialerUI = _ref$phone.dialerUI,
39 callingSettings = _ref$phone.callingSettings,
40 contactSearch = _ref$phone.contactSearch,
41 connectivityMonitor = _ref$phone.connectivityMonitor,
42 locale = _ref$phone.locale,
43 rateLimiter = _ref$phone.rateLimiter,
44 webphone = _ref$phone.webphone,
45 audioSettings = _ref$phone.audioSettings,
46 _ref$dialButtonMuted = _ref.dialButtonMuted,
47 dialButtonMuted = _ref$dialButtonMuted === undefined ? false : _ref$dialButtonMuted;
48
49 var isWebphoneMode = callingSettings.callingMode === _callingModes2.default.webphone;
50 var waitingWebphoneConnected = isWebphoneMode && webphone && webphone.connecting;
51 var webphoneDisconnected = isWebphoneMode && webphone && !webphone.connected;
52 var audioNotEnabled = isWebphoneMode && audioSettings && !audioSettings.userMedia;
53 var withinTab = (0, _hasActiveCalls2.default)(phone);
54
55 return {
56 currentLocale: locale.currentLocale,
57 callingMode: callingSettings.callingMode,
58 isWebphoneMode: isWebphoneMode,
59 callButtonDisabled: !call.isIdle || !connectivityMonitor.connectivity || rateLimiter.throttling || webphoneDisconnected || audioNotEnabled,
60 toNumber: dialerUI.toNumberField,
61 recipient: dialerUI.recipient,
62 searchContactList: contactSearch ? contactSearch.sortedResult : [],
63 fromNumbers: callingSettings.fromNumbers,
64 fromNumber: callingSettings.fromNumber,
65 showSpinner: !(call.ready && callingSettings.ready && locale.ready && connectivityMonitor.ready && (!audioSettings || audioSettings.ready) && (!isWebphoneMode || !webphone || !waitingWebphoneConnected)),
66 dialButtonVolume: audioSettings ? audioSettings.dialButtonVolume : 1,
67 // If audioSettings is used, then use values from audioSettings module
68 dialButtonMuted: audioSettings ? audioSettings.dialButtonMuted : dialButtonMuted,
69 callBtnClassName: withinTab ? null : _styles2.default.callBtn
70 };
71}
1export default function toRenderProps(hoc) {
2 const RenderPropsComponent = props => props.children(props)
3 return hoc(RenderPropsComponent)
4}
42getProps(name) {
43 let props = {
44 value: this.state.upload[name] || '',
45 onChange: this.changeInput.bind(this, name)
46 };
47 return props;
48}
66render() {
67 let ref: any = this.ref;
68 if (!ref) {
69 ref = (r: RefObject<typeof Comp>) => {
70 if (r) this.ref = r;
71 };
72 }
73 return createElement(
74 Comp,
75 { ...(this.props as any), ref },
76 this.props.children,
77 );
78}
475transformProps(props: ElementProps): ElementProps {
476 return props;
477}
23return function WithComponent(props: Omit<BProps, 'component'> & CProps) {
24 return <BaseComponent component={component} {...props} />;
25};
25export function setProps(comp, newProps) {
26 const node = findDOMNode(comp);
27 render(React.createElement(comp.constructor, newProps), node.parentNode);
28}
204private _passAttributesAsProps() {
205 const hostAttributes = Array.from((this.elementRef.nativeElement as HTMLElement).attributes);
206
207 if (!this.reactNodeRef || !isReactNode(this.reactNodeRef.nativeElement)) {
208 throw new Error('reactNodeRef must hold a reference to a ReactNode');
209 }
210
211 // Ensure there are no blacklisted props. Suggest alternative as error if there is any
212 hostAttributes.forEach(attr => {
213 const [forbidden, alternativeAttrName] = this._isForbiddenAttribute(attr);
214 if (forbidden) {
215 throw new Error(
216 `[${(this.elementRef
217 .nativeElement as HTMLElement).tagName.toLowerCase()}] React wrapper components cannot have the '${
218 attr.name
219 }' attribute set. Use the following alternative: ${alternativeAttrName || ''}`
220 );
221 }
222 });
223
224 const whitelistedHostAttributes = hostAttributes.filter(attr => !this._isIgnoredAttribute(attr));
225 const props = whitelistedHostAttributes.reduce(
226 (acc, attr) => ({
227 ...acc,
228 [attr.name]: attr.value,
229 }),
230 {}
231 );
232
233 const eventListeners = this.elementRef.nativeElement.getEventListeners();
234 const eventHandlersProps =
235 eventListeners && Object.keys(eventListeners).length
236 ? toObject(
237 Object.values(eventListeners).map<[string, React.EventHandler<React.SyntheticEvent>]>(([eventListener]) => [
238 eventListener.type,
239 (ev: React.SyntheticEvent) => eventListener.listener(ev && ev.nativeEvent),
240 ])
241 )
242 : {};
243 {
244 }
245
246 this.reactNodeRef.nativeElement.setProperties({ ...props, ...eventHandlersProps });
247}
28function forwardRef(props, ref) {
29 return <WithIsVisible {...props} forwardedRef={ref} />
30}

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