TaskPerformance,
WorkerStatistics
} from '../utility-types'
-import { EMPTY_FUNCTION, isAsyncFunction, isPlainObject } from '../utils'
+import {
+ DEFAULT_TASK_NAME,
+ EMPTY_FUNCTION,
+ isAsyncFunction,
+ isPlainObject
+} from '../utils'
import {
type KillBehavior,
KillBehaviors,
WorkerSyncFunction
} from './worker-functions'
-const DEFAULT_FUNCTION_NAME = 'default'
const DEFAULT_MAX_INACTIVE_TIME = 60000
const DEFAULT_KILL_BEHAVIOR: KillBehavior = KillBehaviors.SOFT
}
this.taskFunctions = new Map<string, WorkerFunction<Data, Response>>()
if (typeof taskFunctions === 'function') {
- this.taskFunctions.set(DEFAULT_FUNCTION_NAME, taskFunctions.bind(this))
+ this.taskFunctions.set(DEFAULT_TASK_NAME, taskFunctions.bind(this))
} else if (isPlainObject(taskFunctions)) {
let firstEntry = true
for (const [name, fn] of Object.entries(taskFunctions)) {
}
this.taskFunctions.set(name, fn.bind(this))
if (firstEntry) {
- this.taskFunctions.set(DEFAULT_FUNCTION_NAME, fn.bind(this))
+ this.taskFunctions.set(DEFAULT_TASK_NAME, fn.bind(this))
firstEntry = false
}
}
* @param message - Message received.
*/
protected messageListener (message: MessageValue<Data, Data>): void {
- if (message.ready != null && message.workerId === this.id) {
- // Startup message received
- this.workerReady()
- } else if (message.statistics != null) {
- // Statistics message received
- this.statistics = message.statistics
- } else if (message.checkAlive != null) {
- // Check alive message received
- message.checkAlive ? this.startCheckAlive() : this.stopCheckAlive()
- } else if (message.id != null && message.data != null) {
- // Task message received
- const fn = this.getTaskFunction(message.name)
- if (isAsyncFunction(fn)) {
- this.runInAsyncScope(this.runAsync.bind(this), this, fn, message)
- } else {
- this.runInAsyncScope(this.runSync.bind(this), this, fn, message)
+ if (message.workerId === this.id) {
+ if (message.ready != null) {
+ // Startup message received
+ this.workerReady()
+ } else if (message.statistics != null) {
+ // Statistics message received
+ this.statistics = message.statistics
+ } else if (message.checkAlive != null) {
+ // Check alive message received
+ message.checkAlive ? this.startCheckAlive() : this.stopCheckAlive()
+ } else if (message.id != null && message.data != null) {
+ // Task message received
+ const fn = this.getTaskFunction(message.name)
+ if (isAsyncFunction(fn)) {
+ this.runInAsyncScope(this.runAsync.bind(this), this, fn, message)
+ } else {
+ this.runInAsyncScope(this.runSync.bind(this), this, fn, message)
+ }
+ } else if (message.kill === true) {
+ // Kill message received
+ this.stopCheckAlive()
+ this.emitDestroy()
}
- } else if (message.kill === true) {
- // Kill message received
- this.stopCheckAlive()
- this.emitDestroy()
}
}
performance.now() - this.lastTaskTimestamp >
(this.opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME)
) {
- this.sendToMainWorker({ kill: this.opts.killBehavior })
+ this.sendToMainWorker({ kill: this.opts.killBehavior, workerId: this.id })
}
}
message: MessageValue<Data>
): void {
try {
- let taskPerformance = this.beginTaskPerformance()
+ let taskPerformance = this.beginTaskPerformance(message.name)
const res = fn(message.data)
taskPerformance = this.endTaskPerformance(taskPerformance)
this.sendToMainWorker({
const errorMessage = this.handleError(e as Error | string)
this.sendToMainWorker({
taskError: {
- workerId: this.id,
+ name: message.name ?? DEFAULT_TASK_NAME,
message: errorMessage,
data: message.data
},
+ workerId: this.id,
id: message.id
})
} finally {
fn: WorkerAsyncFunction<Data, Response>,
message: MessageValue<Data>
): void {
- let taskPerformance = this.beginTaskPerformance()
+ let taskPerformance = this.beginTaskPerformance(message.name)
fn(message.data)
.then(res => {
taskPerformance = this.endTaskPerformance(taskPerformance)
const errorMessage = this.handleError(e as Error | string)
this.sendToMainWorker({
taskError: {
- workerId: this.id,
+ name: message.name ?? DEFAULT_TASK_NAME,
message: errorMessage,
data: message.data
},
+ workerId: this.id,
id: message.id
})
})
/**
* Gets the task function in the given scope.
*
- * @param name - Name of the function that will be returned.
+ * @param name - Name of the task function that will be returned.
*/
private getTaskFunction (name?: string): WorkerFunction<Data, Response> {
- name = name ?? DEFAULT_FUNCTION_NAME
+ name = name ?? DEFAULT_TASK_NAME
const fn = this.taskFunctions.get(name)
if (fn == null) {
throw new Error(`Task function '${name}' not found`)
return fn
}
- private beginTaskPerformance (): TaskPerformance {
+ private beginTaskPerformance (name?: string): TaskPerformance {
this.checkStatistics()
return {
+ name: name ?? DEFAULT_TASK_NAME,
timestamp: performance.now(),
...(this.statistics.elu && { elu: performance.eventLoopUtilization() })
}