import { version as currentVersion } from '../package';
import compare from 'semver-compare';
import ms from 'ms';
const DEFAULT_INTERVAL = ms('5m');
export default class UpdateChecker {
constructor (fn, { interval = DEFAULT_INTERVAL } = {}) {
this.callback = fn;
this.interval = interval;
this.check();
this.lastKnown = null;
}
check () {
const done = () => {
this.checkTimer = setTimeout(() => {
this.check();
}, this.interval);
};
console.log('checking for update');
fetch('https://hyperterm.now.sh/updates.json')
.then((res) => {
if (200 !== res.status) {
console.error('Update check error. Status (%d)', res.status);
return done();
}
res.json()
.then(({ version, note }) => {
if (this.lastKnown !== version) {
this.lastKnown = version;
if (1 === compare(version, currentVersion)) {
console.log('update found');
this.callback(version, note);
} else {
console.log('no update. latest:', version);
}
}
done();
})
.catch((err) => {
console.error('Update JSON parse error', err.stack);
done();
});
}).catch((err) => {
console.error('Update check error', err.stack);
done();
});
}
destroy () {
this.aborted = true;
clearTimeout(this.checkTimer);
}
}
