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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/**
* Threads reducer
* @module reducers/threads
*/
export function initialThreadsState() {
return {
threads: [],
// List of thread actor IDs which are current tracing.
// i.e. where JavaScript tracing is enabled.
mutableTracingThreads: new Set(),
};
}
export default function update(state = initialThreadsState(), action) {
switch (action.type) {
case "INSERT_THREAD":
return {
...state,
threads: [...state.threads, action.newThread],
};
case "REMOVE_THREAD":
return {
...state,
threads: state.threads.filter(
thread => action.threadActorID != thread.actor
),
};
case "UPDATE_SERVICE_WORKER_STATUS":
return {
...state,
threads: state.threads.map(t => {
if (t.actor == action.thread) {
return { ...t, serviceWorkerStatus: action.status };
}
return t;
}),
};
case "TRACING_TOGGLED":
const { mutableTracingThreads } = state;
const sizeBefore = mutableTracingThreads.size;
if (action.enabled) {
mutableTracingThreads.add(action.thread);
} else {
mutableTracingThreads.delete(action.thread);
}
// We may receive toggle events when we change the logging method
// while we are already tracing, but the list of tracing thread stays the same.
const changed = mutableTracingThreads.size != sizeBefore;
if (changed) {
return {
...state,
mutableTracingThreads,
};
}
return state;
default:
return state;
}
}