[p-queue] introduce typings

types/p-queue/index.d.ts

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+// Type definitions for p-queue 1.1
+// Project: https://github.com/sindresorhus/p-queue#readme
+// Definitions by: BendingBender <https://github.com/BendingBender>
+//                 Evan Shortiss <https://github.com/evanshortiss>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+export = PQueue;
+
+declare class PQueue<O extends PQueue.QueueAddOptions = PQueue.DefaultAddOptions> {
+    size: number;
+    pending: number;
+
+    constructor(opts?: PQueue.Options<O>);
+
+    add<T>(fn: PQueue.Task<T>, opts?: O): Promise<T>;
+
+    onEmpty(): Promise<void>;
+
+    clear(): void;
+}
+
+declare namespace PQueue {
+    interface QueueAddOptions {
+        [key: string]: any;
+    }
+
+    interface QueueClassConstructor<O extends QueueAddOptions> {
+        new(): QueueClass<O>;
+    }
+
+    interface QueueClass<O extends QueueAddOptions> {
+        size: number;
+
+        enqueue(run: () => void, options?: O): void;
+
+        dequeue(): (() => void) | undefined;
+    }
+
+    interface Options<O extends QueueAddOptions> {
+        queueClass?: QueueClassConstructor<O>;
+        concurrency?: number;
+    }
+
+    interface DefaultAddOptions {
+        priority?: number;
+    }
+
+    type Task<T> = () => Promise<T>;
+}

types/p-queue/p-queue-tests.ts

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+import PQueue = require('p-queue');
+
+const queue = new PQueue({concurrency: 1});
+
+queue.add(() => Promise.resolve('sindresorhus.com')).then((sindre) => {
+    const str: string = sindre;
+});
+
+Promise.resolve((): Promise<string> => Promise.resolve('unicorn'))
+    .then(task => queue.add(task, {priority: 5}))
+    .then(unicorn => {
+        const str: string = unicorn;
+    });
+
+queue.onEmpty().then(() => {
+});
+queue.clear();
+
+let num: number;
+num = queue.size;
+num = queue.pending;
+
+class QueueClass implements PQueue.QueueClass<{ any: string }> {
+    private queue: Array<() => void>;
+
+    size = 0;
+
+    constructor() {
+        this.queue = [];
+    }
+
+    enqueue(run: () => void, options: { any: string }) {
+        this.queue.push(run);
+    }
+
+    dequeue() {
+        return this.queue.shift();
+    }
+}
+
+const queue2 = new PQueue({queueClass: QueueClass});
+queue2.add(() => Promise.resolve(), {any: 'hi'});

types/p-queue/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "p-queue-tests.ts"
+    ]
+}

types/p-queue/tslint.json

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+{ "extends": "dtslint/dt.json" }