Simple and efficient wrapper for Parse Objects to make it compatible with Mobx.
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https://imana97.github.io/parse-mobx/
npm install parse-mobx --saveHere is a simple Todo application using mobx, mobx-react and parse-mobx. Please note that you can use parse-mobx in non react js frameworks such as Angular.
import {observable, action, runInAction, configure} from 'mobx';
import Parse from 'parse/react-native';
import {ParseMobx} from "parse-mobx";
configure({enforceActions: "observed"});
const Todo = Parse.Object.extend('todo');
export class TodoStore {
@observable todos = [];
@observable loading = false;
@observable newText = "";
@action
updateText(val) {
this.newText = val;
}
@action
async fetchTodos() {
this.loading = true;
const todos = await new Parse.Query('todo').find();
runInAction(() => {
this.todos = ParseMobx.toParseMobx(todos);
this.loading = false;
});
}
@action
async addTodo(title = 'unknown') {
this.loading = true;
const newTodo = await new Todo().set('title', title).save();
runInAction(() => {
this.todos.push(ParseMobx.toParseMobx(newTodo));
this.loading = false;
});
}
@action
updateTodo(todo, newVal) {
todo.set('completed', newVal).save();
}
@action
async removeTodo(todo) {
this.loading = true;
await todo.destroy();
runInAction(()=>{
ParseMobx.deleteListItem(this.todos, todo);
this.loading = false;
});
}
}we pass a new instance of our store as props to TodoApp.
import React, {Component} from "react";
import {
Container,
Content,
ListItem,
Text,
Body,
Right,
List,
Form,
Item,
Label,
Input,
} from 'native-base';
import {observer} from "mobx-react";
import {Switch} from 'react-native';
@observer
export default class Todo extends Component {
componentWillMount() {
this.props.store.fetchTodos();
}
render() {
return (
<Container>
<Content>
{/* Add new todo */}
<Form>
<Item floatingLabel>
<Label>New Todo</Label>
<Input value={this.props.store.newText}
onChange={(e) => this.props.store.updateText(e.target.value)}/>
</Item>
</Form>
{/* todo List */}
<List>
{this.props.store.todos.map((todo) => (
<ListItem key={todo.id}>
<Body>
<Text>{todo.get('title')}</Text>
</Body>
<Right>
<Switch value={todo.get('completed')}
onValueChange={(value) => todo.set('completed', value).save()}/>
</Right>
</ListItem>
))}
</List>
</Content>
</Container>
)
}
}
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