From b52b4ef49e34d6454703912e4b48224c859d043f Mon Sep 17 00:00:00 2001 From: Damien Arrachequesne Date: Wed, 23 Sep 2020 23:27:16 +0200 Subject: [PATCH] refactor: migrate to TypeScript --- .eslintrc.json | 4 - .gitignore | 1 + index.js => lib/index.ts | 73 +++--- package-lock.json | 494 +-------------------------------------- package.json | 19 +- test/index.js | 10 +- tsconfig.json | 12 + 7 files changed, 80 insertions(+), 533 deletions(-) delete mode 100644 .eslintrc.json rename index.js => lib/index.ts (66%) create mode 100644 tsconfig.json diff --git a/.eslintrc.json b/.eslintrc.json deleted file mode 100644 index 082c0cb5..00000000 --- a/.eslintrc.json +++ /dev/null @@ -1,4 +0,0 @@ -{ - "extends": "prettier", - "parser": "babel-eslint" -} diff --git a/.gitignore b/.gitignore index 3cd96aba..4f23ff99 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,3 @@ node_modules .nyc_output/ +dist/ diff --git a/index.js b/lib/index.ts similarity index 66% rename from index.js rename to lib/index.ts index 4301ac67..3a443379 100644 --- a/index.js +++ b/lib/index.ts @@ -1,28 +1,45 @@ -const EventEmitter = require("events"); +import { EventEmitter } from "events"; + +export type SocketId = string; +export type Room = string; + +export interface BroadcastFlags { + volatile?: boolean; + compress?: boolean; + local?: boolean; + broadcast?: boolean; + binary?: boolean; +} + +export interface BroadcastOptions { + rooms: Set; + except?: Set; + flags?: BroadcastFlags; +} + +export class Adapter extends EventEmitter { + protected rooms: Map> = new Map(); + protected sids: Map> = new Map(); + private readonly encoder; -class Adapter extends EventEmitter { /** * In-memory adapter constructor. * * @param {Namespace} nsp - * @public */ - constructor(nsp) { + constructor(readonly nsp: any) { super(); - this.nsp = nsp; - this.rooms = new Map(); // Map> - this.sids = new Map(); // Map> this.encoder = nsp.server.encoder; } /** * Adds a socket to a list of room. * - * @param {string} id the socket id - * @param {Set} rooms a set of rooms + * @param {SocketId} id the socket id + * @param {Set} rooms a set of rooms * @public */ - addAll(id, rooms) { + public addAll(id: SocketId, rooms: Set): void { for (const room of rooms) { if (!this.sids.has(id)) { this.sids.set(id, new Set()); @@ -39,11 +56,10 @@ class Adapter extends EventEmitter { /** * Removes a socket from a room. * - * @param {string} id the socket id - * @param {string} room the room name - * @public + * @param {SocketId} id the socket id + * @param {Room} room the room name */ - del(id, room) { + public del(id: SocketId, room: Room): void { if (this.sids.has(id)) { this.sids.get(id).delete(room); } @@ -57,10 +73,9 @@ class Adapter extends EventEmitter { /** * Removes a socket from all rooms it's joined. * - * @param {string} id the socket id - * @public + * @param {SocketId} id the socket id */ - delAll(id) { + public delAll(id: SocketId): void { if (!this.sids.has(id)) { return; } @@ -87,9 +102,9 @@ class Adapter extends EventEmitter { * @param {Object} opts the options * @public */ - broadcast(packet, opts) { + public broadcast(packet: any, opts: BroadcastOptions): void { const rooms = opts.rooms; - const except = opts.except || []; + const except = opts.except || new Set(); const flags = opts.flags || {}; const packetOpts = { preEncoded: true, @@ -105,7 +120,7 @@ class Adapter extends EventEmitter { if (!this.rooms.has(room)) continue; for (const id of this.rooms.get(room)) { - if (ids.has(id) || ~except.indexOf(id)) continue; + if (ids.has(id) || except.has(id)) continue; const socket = this.nsp.connected.get(id); if (socket) { socket.packet(encodedPackets, packetOpts); @@ -115,7 +130,7 @@ class Adapter extends EventEmitter { } } else { for (const [id] of this.sids) { - if (~except.indexOf(id)) continue; + if (except.has(id)) continue; const socket = this.nsp.connected.get(id); if (socket) socket.packet(encodedPackets, packetOpts); } @@ -126,11 +141,10 @@ class Adapter extends EventEmitter { /** * Gets a list of sockets by sid. * - * @param {Set} rooms the explicit set of rooms to check. - * @public + * @param {Set} rooms the explicit set of rooms to check. */ - sockets(rooms) { - const sids = new Set(); + public sockets(rooms: Set): Promise> { + const sids = new Set(); if (rooms.size) { for (const room of rooms) { @@ -148,18 +162,15 @@ class Adapter extends EventEmitter { } } - return sids; + return Promise.resolve(sids); } /** * Gets the list of rooms a given socket has joined. * - * @param {String} id the socket id - * @public + * @param {SocketId} id the socket id */ - socketRooms(id) { + public socketRooms(id: SocketId): Set | undefined { return this.sids.get(id); } } - -module.exports = Adapter; diff --git a/package-lock.json b/package-lock.json index 08c81ec3..acfbbaa4 100644 --- a/package-lock.json +++ b/package-lock.json @@ -243,24 +243,6 @@ "to-fast-properties": "^2.0.0" } }, - "@eslint/eslintrc": { - "version": "0.1.3", - "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.1.3.tgz", - 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"dev": true, - "requires": { - "punycode": "^2.1.0" - } + "typescript": { + "version": "4.0.3", + "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz", + "integrity": "sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==", + "dev": true }, "uuid": { "version": "3.4.0", @@ -2447,12 +1992,6 @@ "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==", "dev": true }, - "v8-compile-cache": { - "version": "2.1.1", - "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.1.tgz", - "integrity": "sha512-8OQ9CL+VWyt3JStj7HX7/ciTL2V3Rl1Wf5OL+SNTm0yK1KvtReVulksyeRnCANHHuUxHlQig+JJDlUhBt1NQDQ==", - "dev": true - }, "which": { "version": "2.0.2", "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz", @@ -2504,12 +2043,6 @@ } } }, - "word-wrap": { - "version": "1.2.3", - "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz", - "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==", - "dev": true - }, "workerpool": { "version": "6.0.0", "resolved": "https://registry.npmjs.org/workerpool/-/workerpool-6.0.0.tgz", @@ -2550,15 +2083,6 @@ "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=", "dev": true }, - "write": { - "version": "1.0.3", - "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz", - "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==", - "dev": true, - "requires": { - "mkdirp": "^0.5.1" - } - }, "write-file-atomic": { "version": "3.0.3", "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.3.tgz", diff --git a/package.json b/package.json index d73614dc..fb137152 100644 --- a/package.json +++ b/package.json @@ -6,20 +6,23 @@ "type": "git", "url": "git://github.com/socketio/socket.io-adapter.git" }, + "files": [ + "dist/" + ], + "main": "./dist/index.js", + "types": "./dist/index.d.ts", "description": "default socket.io in-memory adapter", "devDependencies": { - "babel-eslint": "^10.1.0", - "eslint": "^7.9.0", - "eslint-config-prettier": "^6.11.0", + "@types/node": "^14.11.2", "expect.js": "^0.3.1", "mocha": "^8.1.3", "nyc": "^15.1.0", - "prettier": "^1.19.1" + "prettier": "^1.19.1", + "typescript": "^4.0.3" }, "scripts": { - "lint": "eslint index.js", - "test": "npm run lint && npm run format:check && nyc mocha test/index.js", - "format:check": "prettier --check index.js 'test/**/*.js'", - "format:fix": "prettier --write index.js 'test/**/*.js'" + "test": "npm run format:check && tsc && nyc mocha test/index.js", + "format:check": "prettier --parser typescript --check 'lib/**/*.ts' 'test/**/*.js'", + "format:fix": "prettier --parser typescript --write 'lib/**/*.ts' 'test/**/*.js'" } } diff --git a/test/index.js b/test/index.js index 6a2b8e05..7c792b74 100644 --- a/test/index.js +++ b/test/index.js @@ -1,4 +1,4 @@ -const Adapter = require(".."); +const { Adapter } = require(".."); const expect = require("expect.js"); describe("socket.io-adapter", () => { @@ -26,7 +26,7 @@ describe("socket.io-adapter", () => { expect(adapter.sids.has("s2")).to.be(false); }); - it("should return a list of sockets", () => { + it("should return a list of sockets", async () => { const adapter = new Adapter({ server: { encoder: null }, connected: new Map([ @@ -39,11 +39,11 @@ describe("socket.io-adapter", () => { adapter.addAll("s2", new Set(["r2", "r3"])); adapter.addAll("s3", new Set(["r3"])); - const sockets = adapter.sockets(new Set()); + const sockets = await adapter.sockets(new Set()); expect(sockets).to.be.a(Set); expect(sockets.size).to.be(3); - expect(adapter.sockets(new Set(["r2"])).size).to.be(2); - expect(adapter.sockets(new Set(["r4"])).size).to.be(0); + expect((await adapter.sockets(new Set(["r2"]))).size).to.be(2); + expect((await adapter.sockets(new Set(["r4"]))).size).to.be(0); }); it("should return a list of rooms", () => { diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 00000000..87d51bf0 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,12 @@ +{ + "compilerOptions": { + "outDir": "./dist", + "allowJs": false, + "target": "es2017", + "module": "commonjs", + "declaration": true + }, + "include": [ + "./lib/**/*" + ] +}