28 lines
622 B
JavaScript
28 lines
622 B
JavaScript
import Mixin from '@ember/object/mixin';
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import { assert } from '@ember/debug';
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export default Mixin.create({
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url: '',
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bufferSize: 500,
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fetch() {
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assert('StatsTrackers need a fetch method, which should have an interface like window.fetch');
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},
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append(/* frame */) {
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assert(
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'StatsTrackers need an append method, which takes the JSON response from a request to url as an argument'
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);
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},
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poll() {
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const url = this.get('url');
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assert('Url must be defined', url);
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return this.get('fetch')(url)
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.then(res => res.json())
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.then(frame => this.append(frame));
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},
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});
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