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ember-backoff
Advanced tools
Simple exponential backoff strategy for Ember.js promises
import retryWithBackoff from 'ember-backoff/retry-with-backoff';
export default Em.Route.extend({
model: function(params) {
retryWithBackoff(function() {
return this.store.find('user', 142857); //return any promise here
}, 5, 100); //retry 5 times: 100ms, 200ms, 400ms, 800ms, 1600ms between tries
}
});
Or using one of the supplied strategies
import retryWithBackoff from 'ember-backoff/retry-with-backoff';
import constant from 'ember-backoff/strategy/constant';
export default Em.Route.extend({
model: function(params) {
retryWithBackoff(function() {
// poll until record exists
return this.store.find('completedJob', 22);
}, 10, 1000, constant); //retry 10 times: always 1s between tries
}
});
Or you own custom strategy
import retryWithBackoff from 'ember-backoff/retry-with-backoff';
import exponential from 'ember-backoff/strategy/exponential';
function exponentialWithDither(initialWait, retryCount) {
var ditherFrac = Math.random() * 10;
return (1 + ditherFrac) * exponential(initialWait, retryCount);
}
export default Em.Route.extend({
model: function(params) {
retryWithBackoff(function() {
return this.store.query('thunderindHerd');
}, 10, 1000, exponentialWithDither);
}
});
Questions? Ping me @gavinjoyce
npm install ember-backoff --save
Pull requests are very welcome, thanks.
git clone
this repositorynpm install
bower install
ember server
ember test
ember test --server
FAQs
Exponential backoff and retry for rsvp.js promises
We found that ember-backoff demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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