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January 23, 2018 10:31
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mobx-spine url param binding pseudocode
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| class MyScreen extends Component { | |
| componentWillMount() { | |
| this.store = new Store(); | |
| this.urlParamBinding = UrlParamBinding(this.store, { | |
| // This are the default props | |
| }); | |
| } | |
| componentWillUnmount() { | |
| if (this.urlParamBinding) { | |
| this.urlParamBinding(); | |
| } | |
| } | |
| } | |
| function UrlParamBinding(store, defaultParams) { | |
| store.params = defaultParams; | |
| let urlParams = new URLSearchParams(window.location.search); | |
| urlParams = fromPairs(Array.from(urlParams.entries())); | |
| if (isEmpty(urlParams)) { | |
| store.params = defaultParams; | |
| } else { | |
| store.params = urlParams; | |
| } | |
| // Doesn't matter if fetch is done in willmount or didmount, that's just something I made up once. | |
| this.fetch(); | |
| // By returning this you can easily unsubscribe in the screen | |
| return autorun(() => { | |
| const p = new URLSearchParams(toJS(store.params)); | |
| window.history.replaceState({}, '', `${window.location.pathname}?${p}`); | |
| }); | |
| } |
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