Created
March 11, 2020 12:59
-
-
Save hawx1993/2ff81fe5475f893133ab213db33fc373 to your computer and use it in GitHub Desktop.
buildContainer
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| * @Author: trigkit4 | |
| * @Date: 2018-09-18 10:07:05 | |
| */ | |
| import React, { Component, ComponentType } from 'react'; | |
| import { computed, action, observable } from 'mobx'; | |
| import { observer } from 'mobx-react'; | |
| import _ from 'lodash'; | |
| type BuildContainerOptions<T> = { | |
| displayName?: string; | |
| ViewModel: new (...args: any[]) => StoreViewModel; | |
| View: ComponentType<any>; | |
| }; | |
| function buildContainer<P = {}, S = {}, SS = any>({ | |
| View, | |
| ViewModel, | |
| }: BuildContainerOptions<P>) { | |
| const viewName = View.displayName || View.name; | |
| @observer | |
| class Container extends Component<P, S, SS> { | |
| static displayName = viewName ? `Container(${viewName})` : 'Container'; | |
| @observable | |
| vm: any; | |
| View: ComponentType<any>; | |
| constructor(props: P) { | |
| super(props); | |
| this.View = this._createView(View); | |
| this.vm = this._createViewModel(props); | |
| } | |
| componentWillUnmount() { | |
| this.vm.dispose && this.vm.dispose(); | |
| } | |
| @computed | |
| private get _viewProps() { | |
| const descriptors = Object.getOwnPropertyDescriptors(this.vm); | |
| const props: any = {}; | |
| Object.keys(this.props).forEach((key: string) => { | |
| props[key] = this.props[key]; | |
| }); | |
| Object.keys(descriptors) | |
| .filter(this._isViewProp) | |
| .forEach((key: string) => { | |
| if (props[key] && props[key] !== this.vm[key]) { | |
| const errorMessage = `buildContainer Error: '${Container.displayName}.props.${key}: ${props[key]}' conflict with '${ViewModel.name}.${key}: ${this.vm[key]}'`; | |
| console.warn(errorMessage); | |
| } | |
| props[key] = this.vm[key]; | |
| }); | |
| return props; | |
| } | |
| @action | |
| calculateDerivedProps() { | |
| this.vm.getDerivedProps && this.vm.getDerivedProps(this.props || {}); | |
| this.vm.onReceiveProps && this.vm.onReceiveProps(this.props || {}); | |
| } | |
| private _createView(OriginalView: ComponentType<any>) { | |
| return OriginalView; | |
| } | |
| private _createViewModel(props: any = {}) { | |
| const vm = new ViewModel(props); | |
| vm.getDerivedProps && vm.getDerivedProps(props); | |
| vm.onReceiveProps && vm.onReceiveProps(props); | |
| return vm; | |
| } | |
| private _isViewProp(key: string) { | |
| // - Props start with _ or $ are private | |
| // - 'verboseMemoryLeak' is add by EventEmitter2 | |
| // - 'props' don't affect View directly, if you want View response 'props', | |
| // you need to setup a observable/computed prop in ViewModel. | |
| return ( | |
| !/^\$|_/.test(key) && key !== 'verboseMemoryLeak' && key !== 'props' | |
| ); | |
| } | |
| render() { | |
| this.calculateDerivedProps(); | |
| const ContainerView = this.View; | |
| return <ContainerView {...this._viewProps} />; | |
| } | |
| } | |
| return Container; | |
| } | |
| export { buildContainer }; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment