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39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
"use strict";
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System.register([], function (_export, _context) {
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"use strict";
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// Old Grafana releases use strings as event ids and
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// new event ids in form of object {name: "event-id"} are not
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// supported properly: first defined listener will receive
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// all emitted events despite of the value in 'name' field.
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//
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// This method detects this behaviour and return true
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// only for new Grafana versions.
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function hasAppEventCompatibleEmitter(emitter) {
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var receiveEvents = 0;
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var eventId = {
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name: "non-existed-event-id"
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};
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var eventId2 = {
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name: "non-existed-event-id-2"
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};
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emitter.on(eventId, function () {
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receiveEvents++;
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});
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emitter.emit(eventId);
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emitter.emit(eventId2);
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emitter.removeAllListeners(eventId); // New Grafana versions should receive one event.
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return receiveEvents == 1;
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}
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_export("hasAppEventCompatibleEmitter", hasAppEventCompatibleEmitter);
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return {
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setters: [],
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execute: function () {}
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};
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});
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//# sourceMappingURL=funcs.js.map
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