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export class ContactStore { | |
@observable contacts = []; | |
@observable pendingRequestCount = 0; | |
@computed get isLoading() { | |
return this.pendingRequestCount > 0; | |
} | |
@action createRandomContact() { | |
this.pendingRequestCount++; |
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const theme = observable({ | |
backgroundColor: "#ffffff" | |
}) | |
intercept(theme, "backgroundColor", change => { | |
if (!change.newValue) { | |
// ignore attempts to unset the background color | |
return null; | |
} | |
if (change.newValue.length === 6) { |
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class Select extends React.Component { | |
constructor(props, context) { | |
super(props, context) | |
this.state = { | |
selection: props.values[0] | |
}; | |
} | |
render() { | |
return ( |
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var document = global.document = createDocument(); | |
export default document; | |
function createDocument() { | |
const NODE_TYPES = { | |
ELEMENT_NODE: 1, | |
ATTRIBUTE_NODE: 2, | |
TEXT_NODE: 3, | |
CDATA_SECTION_NODE: 4, | |
ENTITY_REFERENCE_NODE: 5, |
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// JSBin: http://jsbin.com/kekoli/edit?js,console | |
import {observable, observe} from "mobx"; | |
const person = observable({ | |
firstName: "Maarten", | |
lastName: "Luther" | |
}); | |
const disposer = observe(person, (change) => { | |
console.log(`${change.type} '${change.name}' from '${change.oldValue}' to '${change.object[change.name]}'`); |
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@action performLogin(username, password, callback) { | |
this.fetch(`/json/${username}-${password}.json`) | |
.then(user => { | |
this.currentUser = user | |
callback(true) | |
}) | |
.catch(err => { | |
callback(false) | |
}) | |
} |
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// Pseudo code proposal to give more fine grained control and cleaning up the way in which observables are constructed in MobX | |
// Strategies | |
Strategy.Reference = "Reference" | |
Strategy.Deep = "Deep" | |
Strategy.Shallow = "Shallow" | |
Strategy.Structure = "AsStructure" | |
// The essen of MobX: trackable boxed values: |
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/** | |
Shitty implementation of tracked compatible local component state library powered by MobX | |
Demo: https://jsfiddle.net/mweststrate/Ltmhe3rh/ | |
@example | |
class Example extends Component { | |
// initialize state.count with a value: | |
@tracked count = 1000; |
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import { types } from 'mobx-state-tree' | |
export const Todo = types.model( | |
'Todo', | |
{ | |
title: types.string, | |
finished: false, | |
}, | |
{ | |
toggle() { |
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import { getSnapshot } from 'mobx-state-tree' | |
const task1 = Todo.create({ title: "Try MST!" }) | |
task1.toggle() | |
console.dir(getSnapshot(task1)) | |
// prints { title: "Try MST!" , finished: true } |