43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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class JSTraceWatcher {
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/**
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* Start watching for traces for a given target actor.
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*
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* @param TargetActor targetActor
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* The target actor from which we should observe
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* @param Object options
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* Dictionary object with following attributes:
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* - onAvailable: mandatory function
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* This will be called for each resource.
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*/
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async watch(targetActor, { onAvailable }) {
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this.#onAvailable = onAvailable;
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}
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#onAvailable;
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/**
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* Stop watching for traces
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*/
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destroy() {
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// The traces are being emitted by the TracerActor via `emitTraces` method,
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// we start and stop recording and emitting tracer from this actor.
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// Watching for JSTRACER_TRACE only allows receiving these trace events.
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}
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/**
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* Emit a JSTRACER_TRACE resource.
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*
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* This is being called by the Tracer Actor.
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*/
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emitTraces(traces) {
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this.#onAvailable(traces);
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}
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}
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module.exports = JSTraceWatcher;
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