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Throw vs Reject
import Ember from 'ember';
export default Ember.Controller.extend({
appName: 'Ember Twiddle',
rejectMe () {
return Ember.RSVP.reject('I rejected');
},
resolveMe () {
return Ember.RSVP.resolve('I resolved');
},
throwMe () {
return new Ember.RSVP.Promise((resolve, reject) => {
throw new Error('I threw');
})
},
throwLater (ms) {
return new Ember.RSVP.Promise(function (resolve) {
Ember.run.later(this, () => {
resolve();
}, ms);
});
},
actions: {
rejector () {
return this.rejectMe().then(() => {
alert('Resolved');
}, (err) => {
alert(`Rejected, caught in err: ${err}`);
})
.catch((err) => {
alert(`Rejected, caught in catch: ${err}`);
})
},
resolveReject () {
return this.resolveMe()
.then(this.rejectMe)
.then(() => {
alert('Resolved');
}, (err) => {
alert(`Rejected, caught in err: ${err}`);
})
.catch((err) => {
alert(`Rejected, caught in catch: ${err}`);
})
},
thrower () {
return this.throwMe().then(() => {
alert('Resolved');
}, (err) => {
alert(`Rejected, caught in err: ${err}`);
})
.catch((err) => {
alert(`Rejected, caught in catch: ${err}`);
})
}
}
});
<h1>Welcome to {{appName}}</h1>
<br>
<br>
<button {{action 'rejector'}}>Chain Rejection</button>
<button {{action 'thrower'}}>Chain Throw</button>
<button {{action 'resolveReject'}}>Resolve then reject</button>
<br>
<br>
{
"version": "0.12.1",
"EmberENV": {
"FEATURES": {}
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
"ember": "2.12.0",
"ember-template-compiler": "2.12.0",
"ember-testing": "2.12.0"
},
"addons": {
"ember-data": "2.12.1"
}
}
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