init

node_modules/piscina/dist/task_queue/array_queue.d.ts

@@ -0,0 +1,8 @@
+import type { TaskQueue, Task } from '.';
+export declare class ArrayTaskQueue implements TaskQueue {
+    tasks: Task[];
+    get size(): number;
+    shift(): Task | null;
+    push(task: Task): void;
+    remove(task: Task): void;
+}

node_modules/piscina/dist/task_queue/array_queue.js

@@ -0,0 +1,29 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ArrayTaskQueue = void 0;
+const node_assert_1 = __importDefault(require("node:assert"));
+class ArrayTaskQueue {
+    constructor() {
+        this.tasks = [];
+    }
+    get size() {
+        return this.tasks.length;
+    }
+    shift() {
+        var _a;
+        return (_a = this.tasks.shift()) !== null && _a !== void 0 ? _a : null;
+    }
+    push(task) {
+        this.tasks.push(task);
+    }
+    remove(task) {
+        const index = this.tasks.indexOf(task);
+        node_assert_1.default.notStrictEqual(index, -1);
+        this.tasks.splice(index, 1);
+    }
+}
+exports.ArrayTaskQueue = ArrayTaskQueue;
+//# sourceMappingURL=array_queue.js.map

node_modules/piscina/dist/task_queue/array_queue.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"array_queue.js","sourceRoot":"","sources":["../../src/task_queue/array_queue.ts"],"names":[],"mappings":";;;;;;AAAA,8DAAiC;AAIjC,MAAa,cAAc;IAA3B;QACE,UAAK,GAAW,EAAE,CAAA;IAmBpB,CAAC;IAjBC,IAAI,IAAI;QACN,OAAO,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC;IAC3B,CAAC;IAED,KAAK;;QACH,OAAO,MAAA,IAAI,CAAC,KAAK,CAAC,KAAK,EAAE,mCAAI,IAAI,CAAC;IACpC,CAAC;IAED,IAAI,CAAE,IAAU;QACd,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;IACxB,CAAC;IAED,MAAM,CAAE,IAAU;QAChB,MAAM,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC;QACvC,qBAAM,CAAC,cAAc,CAAC,KAAK,EAAE,CAAC,CAAC,CAAC,CAAC;QACjC,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC,KAAK,EAAE,CAAC,CAAC,CAAC;IAC9B,CAAC;CACF;AApBD,wCAoBC"}

node_modules/piscina/dist/task_queue/common.d.ts

@@ -0,0 +1,17 @@
+import type { kQueueOptions } from '../symbols';
+export interface TaskQueue {
+    readonly size: number;
+    shift(): Task | null;
+    remove(task: Task): void;
+    push(task: Task): void;
+}
+export interface PiscinaTask extends Task {
+    taskId: number;
+    filename: string;
+    name: string;
+    created: number;
+    isAbortable: boolean;
+}
+export interface Task {
+    readonly [kQueueOptions]: object | null;
+}

node_modules/piscina/dist/task_queue/common.js

@@ -0,0 +1,4 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+;
+//# sourceMappingURL=common.js.map

node_modules/piscina/dist/task_queue/common.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"common.js","sourceRoot":"","sources":["../../src/task_queue/common.ts"],"names":[],"mappings":";;AAoBC,CAAC"}

node_modules/piscina/dist/task_queue/fixed_queue.d.ts

@@ -0,0 +1,25 @@
+import type { Task } from './common';
+import { TaskQueue } from '.';
+declare class FixedCircularBuffer {
+    bottom: number;
+    top: number;
+    list: Array<Task | undefined>;
+    next: FixedCircularBuffer | null;
+    isEmpty(): boolean;
+    isFull(): boolean;
+    push(data: Task): void;
+    shift(): Task | null;
+    remove(task: Task): void;
+}
+export declare class FixedQueue implements TaskQueue {
+    #private;
+    head: FixedCircularBuffer;
+    tail: FixedCircularBuffer;
+    constructor();
+    isEmpty(): boolean;
+    push(data: Task): void;
+    shift(): Task | null;
+    remove(task: Task): void;
+    get size(): number;
+}
+export {};

node_modules/piscina/dist/task_queue/fixed_queue.js

@@ -0,0 +1,192 @@
+"use strict";
+var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
+    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
+    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
+    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
+};
+var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
+    if (kind === "m") throw new TypeError("Private method is not writable");
+    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
+    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
+    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+var _FixedQueue_size;
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FixedQueue = void 0;
+/*
+ * Modified Fixed Queue Implementation based on the one from Node.js Project
+ * License: MIT License
+ * Source: https://github.com/nodejs/node/blob/de7b37880f5a541d5f874c1c2362a65a4be76cd0/lib/internal/fixed_queue.js
+ */
+const node_assert_1 = __importDefault(require("node:assert"));
+// Currently optimal queue size, tested on V8 6.0 - 6.6. Must be power of two.
+const kSize = 2048;
+const kMask = kSize - 1;
+// The FixedQueue is implemented as a singly-linked list of fixed-size
+// circular buffers. It looks something like this:
+//
+//  head                                                       tail
+//    |                                                          |
+//    v                                                          v
+// +-----------+ <-----\       +-----------+ <------\         +-----------+
+// |  [null]   |        \----- |   next    |         \------- |   next    |
+// +-----------+               +-----------+                  +-----------+
+// |   item    | <-- bottom    |   item    | <-- bottom       |  [empty]  |
+// |   item    |               |   item    |                  |  [empty]  |
+// |   item    |               |   item    |                  |  [empty]  |
+// |   item    |               |   item    |                  |  [empty]  |
+// |   item    |               |   item    |       bottom --> |   item    |
+// |   item    |               |   item    |                  |   item    |
+// |    ...    |               |    ...    |                  |    ...    |
+// |   item    |               |   item    |                  |   item    |
+// |   item    |               |   item    |                  |   item    |
+// |  [empty]  | <-- top       |   item    |                  |   item    |
+// |  [empty]  |               |   item    |                  |   item    |
+// |  [empty]  |               |  [empty]  | <-- top  top --> |  [empty]  |
+// +-----------+               +-----------+                  +-----------+
+//
+// Or, if there is only one circular buffer, it looks something
+// like either of these:
+//
+//  head   tail                                 head   tail
+//    |     |                                     |     |
+//    v     v                                     v     v
+// +-----------+                               +-----------+
+// |  [null]   |                               |  [null]   |
+// +-----------+                               +-----------+
+// |  [empty]  |                               |   item    |
+// |  [empty]  |                               |   item    |
+// |   item    | <-- bottom            top --> |  [empty]  |
+// |   item    |                               |  [empty]  |
+// |  [empty]  | <-- top            bottom --> |   item    |
+// |  [empty]  |                               |   item    |
+// +-----------+                               +-----------+
+//
+// Adding a value means moving `top` forward by one, removing means
+// moving `bottom` forward by one. After reaching the end, the queue
+// wraps around.
+//
+// When `top === bottom` the current queue is empty and when
+// `top + 1 === bottom` it's full. This wastes a single space of storage
+// but allows much quicker checks.
+class FixedCircularBuffer {
+    constructor() {
+        this.bottom = 0;
+        this.top = 0;
+        this.list = new Array(kSize);
+        this.next = null;
+    }
+    isEmpty() {
+        return this.top === this.bottom;
+    }
+    isFull() {
+        return ((this.top + 1) & kMask) === this.bottom;
+    }
+    push(data) {
+        this.list[this.top] = data;
+        this.top = (this.top + 1) & kMask;
+    }
+    shift() {
+        const nextItem = this.list[this.bottom];
+        if (nextItem === undefined) {
+            return null;
+        }
+        this.list[this.bottom] = undefined;
+        this.bottom = (this.bottom + 1) & kMask;
+        return nextItem;
+    }
+    remove(task) {
+        const indexToRemove = this.list.indexOf(task);
+        node_assert_1.default.notStrictEqual(indexToRemove, -1);
+        let curr = indexToRemove;
+        while (true) {
+            const next = (curr + 1) & kMask;
+            this.list[curr] = this.list[next];
+            if (this.list[curr] === undefined) {
+                break;
+            }
+            if (next === indexToRemove) {
+                this.list[curr] = undefined;
+                break;
+            }
+            curr = next;
+        }
+        this.top = (this.top - 1) & kMask;
+    }
+}
+class FixedQueue {
+    constructor() {
+        _FixedQueue_size.set(this, 0);
+        this.head = this.tail = new FixedCircularBuffer();
+    }
+    isEmpty() {
+        return this.head.isEmpty();
+    }
+    push(data) {
+        var _a;
+        if (this.head.isFull()) {
+            // Head is full: Creates a new queue, sets the old queue's `.next` to it,
+            // and sets it as the new main queue.
+            this.head = this.head.next = new FixedCircularBuffer();
+        }
+        this.head.push(data);
+        __classPrivateFieldSet(this, _FixedQueue_size, (_a = __classPrivateFieldGet(this, _FixedQueue_size, "f"), _a++, _a), "f");
+    }
+    shift() {
+        var _a;
+        const tail = this.tail;
+        const next = tail.shift();
+        if (next !== null)
+            __classPrivateFieldSet(this, _FixedQueue_size, (_a = __classPrivateFieldGet(this, _FixedQueue_size, "f"), _a--, _a), "f");
+        if (tail.isEmpty() && tail.next !== null) {
+            // If there is another queue, it forms the new tail.
+            this.tail = tail.next;
+            tail.next = null;
+        }
+        return next;
+    }
+    remove(task) {
+        var _a;
+        let prev = null;
+        let buffer = this.tail;
+        while (true) {
+            if (buffer.list.includes(task)) {
+                buffer.remove(task);
+                __classPrivateFieldSet(this, _FixedQueue_size, (_a = __classPrivateFieldGet(this, _FixedQueue_size, "f"), _a--, _a), "f");
+                break;
+            }
+            if (buffer.next === null)
+                break;
+            prev = buffer;
+            buffer = buffer.next;
+        }
+        if (buffer.isEmpty()) {
+            // removing tail
+            if (prev === null) {
+                // if tail is not the last buffer
+                if (buffer.next !== null)
+                    this.tail = buffer.next;
+            }
+            else {
+                // removing head
+                if (buffer.next === null) {
+                    this.head = prev;
+                }
+                else {
+                    // removing buffer from middle
+                    prev.next = buffer.next;
+                }
+            }
+        }
+    }
+    get size() {
+        return __classPrivateFieldGet(this, _FixedQueue_size, "f");
+    }
+}
+exports.FixedQueue = FixedQueue;
+_FixedQueue_size = new WeakMap();
+;
+//# sourceMappingURL=fixed_queue.js.map

node_modules/piscina/dist/task_queue/fixed_queue.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"fixed_queue.js","sourceRoot":"","sources":["../../src/task_queue/fixed_queue.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;AAAA;;;;GAIG;AACH,8DAAiC;AAGjC,8EAA8E;AAC9E,MAAM,KAAK,GAAG,IAAI,CAAC;AACnB,MAAM,KAAK,GAAG,KAAK,GAAG,CAAC,CAAC;AAExB,sEAAsE;AACtE,kDAAkD;AAClD,EAAE;AACF,mEAAmE;AACnE,kEAAkE;AAClE,kEAAkE;AAClE,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,2EAA2E;AAC3E,EAAE;AACF,+DAA+D;AAC/D,wBAAwB;AACxB,EAAE;AACF,2DAA2D;AAC3D,yDAAyD;AACzD,yDAAyD;AACzD,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,4DAA4D;AAC5D,EAAE;AACF,mEAAmE;AACnE,oEAAoE;AACpE,gBAAgB;AAChB,EAAE;AACF,4DAA4D;AAC5D,wEAAwE;AACxE,kCAAkC;AAElC,MAAM,mBAAmB;IAAzB;QACE,WAAM,GAAW,CAAC,CAAA;QAClB,QAAG,GAAW,CAAC,CAAA;QACf,SAAI,GAA4B,IAAI,KAAK,CAAC,KAAK,CAAC,CAAA;QAChD,SAAI,GAA+B,IAAI,CAAA;IA0CzC,CAAC;IAxCC,OAAO;QACL,OAAO,IAAI,CAAC,GAAG,KAAK,IAAI,CAAC,MAAM,CAAC;IAClC,CAAC;IAED,MAAM;QACJ,OAAO,CAAC,CAAC,IAAI,CAAC,GAAG,GAAG,CAAC,CAAC,GAAG,KAAK,CAAC,KAAK,IAAI,CAAC,MAAM,CAAC;IAClD,CAAC;IAED,IAAI,CAAE,IAAS;QACb,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,GAAG,CAAC,GAAG,IAAI,CAAC;QAC3B,IAAI,CAAC,GAAG,GAAG,CAAC,IAAI,CAAC,GAAG,GAAG,CAAC,CAAC,GAAG,KAAK,CAAC;IACpC,CAAC;IAED,KAAK;QACH,MAAM,QAAQ,GAAG,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;QACxC,IAAI,QAAQ,KAAK,SAAS,EAAE,CAAC;YAAC,OAAO,IAAI,CAAC;QAAC,CAAC;QAC5C,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,SAAS,CAAC;QACnC,IAAI,CAAC,MAAM,GAAG,CAAC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC,GAAG,KAAK,CAAC;QACxC,OAAO,QAAQ,CAAC;IAClB,CAAC;IAED,MAAM,CAAE,IAAU;QAChB,MAAM,aAAa,GAAG,IAAI,CAAC,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC;QAE9C,qBAAM,CAAC,cAAc,CAAC,aAAa,EAAE,CAAC,CAAC,CAAC,CAAC;QACzC,IAAI,IAAI,GAAG,aAAa,CAAC;QACzB,OAAO,IAAI,EAAE,CAAC;YACZ,MAAM,IAAI,GAAG,CAAC,IAAI,GAAG,CAAC,CAAC,GAAG,KAAK,CAAC;YAChC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;YAClC,IAAI,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,SAAS,EAAE,CAAC;gBAClC,MAAM;YACR,CAAC;YACD,IAAI,IAAI,KAAK,aAAa,EAAE,CAAC;gBAC3B,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,GAAG,SAAS,CAAC;gBAC5B,MAAM;YACR,CAAC;YACD,IAAI,GAAG,IAAI,CAAC;QACd,CAAC;QACD,IAAI,CAAC,GAAG,GAAG,CAAC,IAAI,CAAC,GAAG,GAAG,CAAC,CAAC,GAAG,KAAK,CAAC;IACpC,CAAC;CACF;AAED,MAAa,UAAU;IAKrB;QAFA,2BAAgB,CAAC,EAAA;QAGf,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,IAAI,GAAG,IAAI,mBAAmB,EAAE,CAAC;IACpD,CAAC;IAED,OAAO;QACL,OAAO,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;IAC7B,CAAC;IAED,IAAI,CAAE,IAAS;;QACb,IAAI,IAAI,CAAC,IAAI,CAAC,MAAM,EAAE,EAAE,CAAC;YACvB,yEAAyE;YACzE,qCAAqC;YACrC,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC,IAAI,GAAG,IAAI,mBAAmB,EAAE,CAAC;QACzD,CAAC;QACD,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;QACrB,+CAAA,CAAA,wDAAU,EAAV,IAAY,IAAA,CAAA,MAAA,CAAC;IACf,CAAC;IAED,KAAK;;QACH,MAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;QACvB,MAAM,IAAI,GAAG,IAAI,CAAC,KAAK,EAAE,CAAC;QAC1B,IAAI,IAAI,KAAK,IAAI;YAAE,+CAAA,CAAA,wDAAU,EAAV,IAAY,IAAA,CAAA,MAAA,CAAC;QAChC,IAAI,IAAI,CAAC,OAAO,EAAE,IAAI,IAAI,CAAC,IAAI,KAAK,IAAI,EAAE,CAAC;YACzC,oDAAoD;YACpD,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;YACtB,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QACnB,CAAC;QACD,OAAO,IAAI,CAAC;IACd,CAAC;IAED,MAAM,CAAE,IAAU;;QAChB,IAAI,IAAI,GAA+B,IAAI,CAAC;QAC5C,IAAI,MAAM,GAAG,IAAI,CAAC,IAAI,CAAC;QACvB,OAAO,IAAI,EAAE,CAAC;YACZ,IAAI,MAAM,CAAC,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,EAAE,CAAC;gBAC/B,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC;gBACpB,+CAAA,CAAA,wDAAU,EAAV,IAAY,IAAA,CAAA,MAAA,CAAC;gBACb,MAAM;YACR,CAAC;YACD,IAAI,MAAM,CAAC,IAAI,KAAK,IAAI;gBAAE,MAAM;YAChC,IAAI,GAAG,MAAM,CAAC;YACd,MAAM,GAAG,MAAM,CAAC,IAAI,CAAC;QACvB,CAAC;QACD,IAAI,MAAM,CAAC,OAAO,EAAE,EAAE,CAAC;YACrB,gBAAgB;YAChB,IAAI,IAAI,KAAK,IAAI,EAAE,CAAC;gBAClB,iCAAiC;gBACjC,IAAI,MAAM,CAAC,IAAI,KAAK,IAAI;oBAAE,IAAI,CAAC,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC;YACpD,CAAC;iBAAM,CAAC;gBACN,gBAAgB;gBAChB,IAAI,MAAM,CAAC,IAAI,KAAK,IAAI,EAAE,CAAC;oBACzB,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;gBACnB,CAAC;qBAAM,CAAC;oBACN,8BAA8B;oBAC9B,IAAI,CAAC,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC;gBAC1B,CAAC;YACH,CAAC;QACH,CAAC;IACH,CAAC;IAED,IAAI,IAAI;QACN,OAAO,uBAAA,IAAI,wBAAM,CAAC;IACpB,CAAC;CACF;AApED,gCAoEC;;AAAA,CAAC"}

node_modules/piscina/dist/task_queue/index.d.ts

@@ -0,0 +1,43 @@
+import type { MessagePort } from 'node:worker_threads';
+import { AsyncResource } from 'node:async_hooks';
+import type { WorkerInfo } from '../worker_pool';
+import type { AbortSignalAny } from '../abort';
+import { kQueueOptions } from '../symbols';
+import type { Task, TaskQueue, PiscinaTask } from './common';
+export { ArrayTaskQueue } from './array_queue';
+export { FixedQueue } from './fixed_queue';
+export type TaskCallback = (err: Error, result: any) => void;
+export type TransferList = MessagePort extends {
+    postMessage: (value: any, transferList: infer T) => any;
+} ? T : never;
+export type TransferListItem = TransferList extends Array<infer T> ? T : never;
+/**
+ * Verifies if a given TaskQueue is valid
+ *
+ * @export
+ * @param {*} value
+ * @return {*}  {boolean}
+ */
+export declare function isTaskQueue(value: TaskQueue): boolean;
+export declare class TaskInfo extends AsyncResource implements Task {
+    callback: TaskCallback;
+    task: any;
+    transferList: TransferList;
+    filename: string;
+    name: string;
+    taskId: number;
+    abortSignal: AbortSignalAny | null;
+    workerInfo: WorkerInfo | null;
+    created: number;
+    started: number;
+    aborted: boolean;
+    _abortListener: (() => void) | null;
+    constructor(task: any, transferList: TransferList, filename: string, name: string, callback: TaskCallback, abortSignal: AbortSignalAny | null, triggerAsyncId: number);
+    set abortListener(value: (() => void));
+    get abortListener(): (() => void) | null;
+    releaseTask(): any;
+    done(err: Error | null, result?: any): void;
+    get [kQueueOptions](): {} | null;
+    get interface(): PiscinaTask;
+}
+export { Task, TaskQueue, PiscinaTask };

node_modules/piscina/dist/task_queue/index.js

@@ -0,0 +1,108 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TaskInfo = exports.FixedQueue = exports.ArrayTaskQueue = void 0;
+exports.isTaskQueue = isTaskQueue;
+const node_perf_hooks_1 = require("node:perf_hooks");
+const node_async_hooks_1 = require("node:async_hooks");
+const common_1 = require("../common");
+const symbols_1 = require("../symbols");
+var array_queue_1 = require("./array_queue");
+Object.defineProperty(exports, "ArrayTaskQueue", { enumerable: true, get: function () { return array_queue_1.ArrayTaskQueue; } });
+var fixed_queue_1 = require("./fixed_queue");
+Object.defineProperty(exports, "FixedQueue", { enumerable: true, get: function () { return fixed_queue_1.FixedQueue; } });
+/**
+ * Verifies if a given TaskQueue is valid
+ *
+ * @export
+ * @param {*} value
+ * @return {*}  {boolean}
+ */
+function isTaskQueue(value) {
+    return (typeof value === 'object' &&
+        value !== null &&
+        'size' in value &&
+        typeof value.shift === 'function' &&
+        typeof value.remove === 'function' &&
+        typeof value.push === 'function');
+}
+let taskIdCounter = 0;
+// Extend AsyncResource so that async relations between posting a task and
+// receiving its result are visible to diagnostic tools.
+class TaskInfo extends node_async_hooks_1.AsyncResource {
+    constructor(task, transferList, filename, name, callback, abortSignal, triggerAsyncId) {
+        super('Piscina.Task', { requireManualDestroy: true, triggerAsyncId });
+        // abortListener : (() => void) | null = null;
+        this.workerInfo = null;
+        this.aborted = false;
+        this._abortListener = null;
+        this.callback = callback;
+        this.task = task;
+        this.transferList = transferList;
+        // If the task is a Transferable returned by
+        // Piscina.move(), then add it to the transferList
+        // automatically
+        if ((0, common_1.isMovable)(task)) {
+            // This condition should never be hit but typescript
+            // complains if we dont do the check.
+            /* istanbul ignore if */
+            if (this.transferList == null) {
+                this.transferList = [];
+            }
+            this.transferList =
+                this.transferList.concat(task[symbols_1.kTransferable]);
+            this.task = task[symbols_1.kValue];
+        }
+        this.filename = filename;
+        this.name = name;
+        // TODO: This should not be global
+        this.taskId = taskIdCounter++;
+        this.abortSignal = abortSignal;
+        this.created = node_perf_hooks_1.performance.now();
+        this.started = 0;
+    }
+    // TODO: improve this handling - ideally should be extended
+    set abortListener(value) {
+        this._abortListener = () => {
+            this.aborted = true;
+            value();
+        };
+    }
+    get abortListener() {
+        return this._abortListener;
+    }
+    releaseTask() {
+        const ret = this.task;
+        this.task = null;
+        return ret;
+    }
+    done(err, result) {
+        this.runInAsyncScope(this.callback, null, err, result);
+        this.emitDestroy(); // `TaskInfo`s are used only once.
+        // If an abort signal was used, remove the listener from it when
+        // done to make sure we do not accidentally leak.
+        if (this.abortSignal && this.abortListener) {
+            if ('removeEventListener' in this.abortSignal && this.abortListener) {
+                this.abortSignal.removeEventListener('abort', this.abortListener);
+            }
+            else {
+                this.abortSignal.off('abort', this.abortListener);
+            }
+        }
+    }
+    get [symbols_1.kQueueOptions]() {
+        var _a, _b;
+        return (_b = (_a = this.task) === null || _a === void 0 ? void 0 : _a[symbols_1.kQueueOptions]) !== null && _b !== void 0 ? _b : null;
+    }
+    get interface() {
+        return {
+            taskId: this.taskId,
+            filename: this.filename,
+            name: this.name,
+            created: this.created,
+            isAbortable: this.abortSignal !== null,
+            [symbols_1.kQueueOptions]: this[symbols_1.kQueueOptions]
+        };
+    }
+}
+exports.TaskInfo = TaskInfo;
+//# sourceMappingURL=index.js.map

node_modules/piscina/dist/task_queue/index.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/task_queue/index.ts"],"names":[],"mappings":";;;AAgCA,kCASC;AAxCD,qDAA8C;AAC9C,uDAAiD;AAIjD,sCAAsC;AACtC,wCAAkE;AAIlE,6CAA+C;AAAtC,6GAAA,cAAc,OAAA;AACvB,6CAA2C;AAAlC,yGAAA,UAAU,OAAA;AAanB;;;;;;GAMG;AACH,SAAgB,WAAW,CAAE,KAAgB;IAC3C,OAAO,CACL,OAAO,KAAK,KAAK,QAAQ;QACzB,KAAK,KAAK,IAAI;QACd,MAAM,IAAI,KAAK;QACf,OAAO,KAAK,CAAC,KAAK,KAAK,UAAU;QACjC,OAAO,KAAK,CAAC,MAAM,KAAK,UAAU;QAClC,OAAO,KAAK,CAAC,IAAI,KAAK,UAAU,CACjC,CAAC;AACJ,CAAC;AAED,IAAI,aAAa,GAAG,CAAC,CAAC;AACtB,0EAA0E;AAC1E,wDAAwD;AACxD,MAAa,QAAS,SAAQ,gCAAa;IAevC,YACE,IAAU,EACV,YAA2B,EAC3B,QAAiB,EACjB,IAAa,EACb,QAAuB,EACvB,WAAmC,EACnC,cAAuB;QACvB,KAAK,CAAC,cAAc,EAAE,EAAE,oBAAoB,EAAE,IAAI,EAAE,cAAc,EAAE,CAAC,CAAC;QAfxE,8CAA8C;QAC9C,eAAU,GAAuB,IAAI,CAAC;QAGtC,YAAO,GAAG,KAAK,CAAC;QAChB,mBAAc,GAAwB,IAAI,CAAC;QAWzC,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QACjB,IAAI,CAAC,YAAY,GAAG,YAAY,CAAC;QAEjC,4CAA4C;QAC5C,kDAAkD;QAClD,gBAAgB;QAChB,IAAI,IAAA,kBAAS,EAAC,IAAI,CAAC,EAAE,CAAC;YACpB,oDAAoD;YACpD,qCAAqC;YACrC,wBAAwB;YACxB,IAAI,IAAI,CAAC,YAAY,IAAI,IAAI,EAAE,CAAC;gBAC9B,IAAI,CAAC,YAAY,GAAG,EAAE,CAAC;YACzB,CAAC;YACD,IAAI,CAAC,YAAY;gBACf,IAAI,CAAC,YAAY,CAAC,MAAM,CAAC,IAAI,CAAC,uBAAa,CAAC,CAAC,CAAC;YAChD,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,gBAAM,CAAC,CAAC;QAC3B,CAAC;QAED,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QACjB,kCAAkC;QAClC,IAAI,CAAC,MAAM,GAAG,aAAa,EAAE,CAAC;QAC9B,IAAI,CAAC,WAAW,GAAG,WAAW,CAAC;QAC/B,IAAI,CAAC,OAAO,GAAG,6BAAW,CAAC,GAAG,EAAE,CAAC;QACjC,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;IACnB,CAAC;IAED,2DAA2D;IAC3D,IAAI,aAAa,CAAE,KAAmB;QACpC,IAAI,CAAC,cAAc,GAAG,GAAG,EAAE;YACzB,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC;YACpB,KAAK,EAAE,CAAC;QACV,CAAC,CAAC;IACJ,CAAC;IAED,IAAI,aAAa;QACf,OAAO,IAAI,CAAC,cAAc,CAAC;IAC7B,CAAC;IAED,WAAW;QACT,MAAM,GAAG,GAAG,IAAI,CAAC,IAAI,CAAC;QACtB,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QACjB,OAAO,GAAG,CAAC;IACb,CAAC;IAED,IAAI,CAAE,GAAkB,EAAE,MAAa;QACrC,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,QAAQ,EAAE,IAAI,EAAE,GAAG,EAAE,MAAM,CAAC,CAAC;QACvD,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC,kCAAkC;QACtD,gEAAgE;QAChE,iDAAiD;QACjD,IAAI,IAAI,CAAC,WAAW,IAAI,IAAI,CAAC,aAAa,EAAE,CAAC;YAC3C,IAAI,qBAAqB,IAAI,IAAI,CAAC,WAAW,IAAI,IAAI,CAAC,aAAa,EAAE,CAAC;gBACpE,IAAI,CAAC,WAAW,CAAC,mBAAmB,CAAC,OAAO,EAAE,IAAI,CAAC,aAAa,CAAC,CAAC;YACpE,CAAC;iBAAM,CAAC;gBACL,IAAI,CAAC,WAAuC,CAAC,GAAG,CAC/C,OAAO,EAAE,IAAI,CAAC,aAAa,CAAC,CAAC;YACjC,CAAC;QACH,CAAC;IACH,CAAC;IAED,IAAI,CAAC,uBAAa,CAAC;;QACjB,OAAO,MAAA,MAAA,IAAI,CAAC,IAAI,0CAAG,uBAAa,CAAC,mCAAI,IAAI,CAAC;IAC5C,CAAC;IAED,IAAI,SAAS;QACX,OAAO;YACL,MAAM,EAAE,IAAI,CAAC,MAAM;YACnB,QAAQ,EAAE,IAAI,CAAC,QAAQ;YACvB,IAAI,EAAE,IAAI,CAAC,IAAI;YACf,OAAO,EAAE,IAAI,CAAC,OAAO;YACrB,WAAW,EAAE,IAAI,CAAC,WAAW,KAAK,IAAI;YACtC,CAAC,uBAAa,CAAC,EAAE,IAAI,CAAC,uBAAa,CAAC;SACrC,CAAC;IACJ,CAAC;CACJ;AAnGD,4BAmGC"}