tsoa

node_modules/@hapi/teamwork/lib/index.js

@@ -0,0 +1,203 @@
+'use strict';
+
+const internals = {};
+
+
+exports.Team = class {
+
+    #meetings = null;
+    #count = null;
+    #notes = null;
+    #done = false;
+    #strict = false;
+
+    constructor(options) {
+
+        this._init(options);
+    }
+
+    static _notes(instance) {
+
+        return instance.#notes;
+    }
+
+    _init(options = {}) {
+
+        this.work = new Promise((resolve, reject) => {
+
+            this._resolve = resolve;
+            this._reject = reject;
+        });
+
+        const meetings = options.meetings ?? 1;
+        const strict = !!options.strict;
+
+        if (!Number.isInteger(meetings) || meetings <= 0) {
+            if (meetings === 0 && !strict) {
+                return this._finalize(null, null);
+            }
+
+            throw new Error('Invalid meetings value');
+        }
+
+        this.#meetings = meetings;
+        this.#count = meetings;
+        this.#notes = [];
+        this.#done = false;
+        this.#strict = strict;
+
+    }
+
+    _finalize(err, note) {
+
+        this.#done = true;
+        this.#notes = null;
+
+        if (err) {
+            this._reject(err);
+        }
+        else {
+            this._resolve(note);
+        }
+    }
+
+    attend(note) {
+
+        if (this.#done) {
+            if (this.#strict) {
+                throw new Error('Unscheduled meeting');
+            }
+
+            // else ignore
+
+            return;
+        }
+
+        if (note instanceof Error) {
+            return this._finalize(note);
+        }
+
+        this.#notes.push(note);
+
+        if (--this.#count) {
+            return;
+        }
+
+        this._finalize(null, this.#meetings === 1 ? this.#notes[0] : this.#notes);
+    }
+
+    async regroup(options) {
+
+        try {
+            await this.work;
+        }
+        catch {}
+
+        this._init(options);
+    }
+};
+
+
+exports.Events = class {
+
+    #iterators = new Set();
+
+    static _iterators(instance) {
+
+        return instance.#iterators;
+    }
+
+    static isIterator(iterator) {
+
+        return iterator instanceof internals.EventsIterator;
+    }
+
+    iterator() {
+
+        const iterator = new internals.EventsIterator(this);
+
+        this.#iterators.add(iterator);
+
+        return iterator;
+    }
+
+    emit(value) {
+
+        for (const iterator of this.#iterators) {
+            iterator._queue({ value, done: false });
+        }
+    }
+
+    end() {
+
+        for (const iterator of this.#iterators) {
+            iterator._queue({ done: true });
+        }
+    }
+
+    _remove(iterator) {
+
+        this.#iterators.delete(iterator);
+    }
+};
+
+
+internals.EventsIterator = class {
+
+    #events;
+
+    #pending = null;
+    #queue = [];
+
+    constructor(events) {
+
+        this.#events = events;
+    }
+
+    [Symbol.asyncIterator]() {
+
+        return this;
+    }
+
+    next() {
+
+        if (this.#queue.length) {
+            return Promise.resolve(this.#queue.shift());
+        }
+
+        if (!this.#events) {
+            return { done: true };
+        }
+
+        this.#pending = new exports.Team();
+        return this.#pending.work;
+    }
+
+    return() {
+
+        this._cleanup();
+
+        return { done: true };
+    }
+
+    _cleanup() {
+
+        this.#events?._remove(this);
+        this.#events = null;
+    }
+
+    _queue(item) {
+
+        if (item.done) {
+            this._cleanup();
+        }
+
+        if (this.#pending) {
+            this.#pending.attend(item);
+            this.#pending = null;
+        }
+        else {
+            this.#queue.push(item);
+        }
+    }
+};