diff --git a/README.md b/README.md index bbaa0c3..3deccb6 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,5 @@ # Simple Chat Example + > Built with the [Phoenix Framework](https://github.com/phoenixframework/phoenix) To start your new Phoenix application you have to: @@ -6,7 +7,7 @@ To start your new Phoenix application you have to: 1. Clone this repo, then cd to the new directory 2. Install dependencies with `mix deps.get` 3. (optional) Install npm dependencies to customize the ES6 js/Sass `npm install` -4. Start Phoenix router with `mix phoenix.server` +4. Start Phoenix router with `mix phx.server` Now you can visit `localhost:4000` from your browser. diff --git a/mix.exs b/mix.exs index 8b240de..5e41c45 100644 --- a/mix.exs +++ b/mix.exs @@ -4,10 +4,10 @@ defmodule Chat.Mixfile do def project do [app: :chat, version: "0.0.1", - elixir: "~> 1.0", + elixir: "~> 1.6", elixirc_paths: ["lib", "web"], compilers: [:phoenix] ++ Mix.compilers, - deps: deps] + deps: deps()] end # Configuration for the OTP application @@ -15,17 +15,17 @@ defmodule Chat.Mixfile do # Type `mix help compile.app` for more information def application do [mod: {Chat, []}, - applications: [:phoenix, :phoenix_html, :cowboy, :logger, :postgrex]] + extra_applications: [:logger]] end # Specifies your project dependencies # # Type `mix help deps` for examples and options defp deps do - [{:phoenix, "~> 1.2"}, - {:phoenix_html, "~> 2.5"}, - {:phoenix_live_reload, "~> 1.0", only: :dev}, - {:postgrex, "~> 0.12.1"}, - {:cowboy, "~> 1.0"}] + [{:phoenix, "~> 1.3"}, + {:phoenix_html, "~> 2.10"}, + {:phoenix_live_reload, "~> 1.1", only: :dev}, + {:postgrex, "~> 0.13"}, + {:cowboy, "~> 1.1"}] end end diff --git a/mix.lock b/mix.lock index 35a3b32..cbec759 100644 --- a/mix.lock +++ b/mix.lock @@ -1,15 +1,16 @@ -%{"connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], []}, - "cowboy": {:hex, :cowboy, "1.0.4", "a324a8df9f2316c833a470d918aaf73ae894278b8aa6226ce7a9bf699388f878", [:make, :rebar], [{:cowlib, "~> 1.0.0", [hex: :cowlib, optional: false]}, {:ranch, "~> 1.0", [hex: :ranch, optional: false]}]}, - "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [:make], []}, - "db_connection": {:hex, :db_connection, "1.1.0", "b2b88db6d7d12f99997b584d09fad98e560b817a20dab6a526830e339f54cdb3", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, optional: true]}]}, - "decimal": {:hex, :decimal, "1.3.1", "157b3cedb2bfcb5359372a7766dd7a41091ad34578296e951f58a946fcab49c6", [:mix], []}, +%{"connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], [], "hexpm"}, + "cowboy": {:hex, :cowboy, "1.1.2", "61ac29ea970389a88eca5a65601460162d370a70018afe6f949a29dca91f3bb0", [:rebar3], [{:cowlib, "~> 1.0.2", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.3.2", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm"}, + "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [:make], [], "hexpm"}, + "db_connection": {:hex, :db_connection, "1.1.3", "89b30ca1ef0a3b469b1c779579590688561d586694a3ce8792985d4d7e575a61", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"}, + "decimal": {:hex, :decimal, "1.4.1", "ad9e501edf7322f122f7fc151cce7c2a0c9ada96f2b0155b8a09a795c2029770", [:mix], [], "hexpm"}, + "file_system": {:hex, :file_system, "0.2.4", "f0bdda195c0e46e987333e986452ec523aed21d784189144f647c43eaf307064", [:mix], [], "hexpm"}, "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [:rebar], []}, - "mime": {:hex, :mime, "1.0.1", "05c393850524767d13a53627df71beeebb016205eb43bfbd92d14d24ec7a1b51", [:mix], []}, - "phoenix": {:hex, :phoenix, "1.2.1", "6dc592249ab73c67575769765b66ad164ad25d83defa3492dc6ae269bd2a68ab", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, optional: false]}, {:plug, "~> 1.1", [hex: :plug, optional: false]}, {:poison, "~> 1.5 or ~> 2.0", [hex: :poison, optional: false]}]}, - "phoenix_html": {:hex, :phoenix_html, "2.8.0", "777598a4b6609ad6ab8b180f7b25c9af2904644e488922bb9b9b03ce988d20b1", [:mix], [{:plug, "~> 1.0", [hex: :plug, optional: false]}]}, - "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.0.6", "4490d588c4f60248b1c5f1f0dc0a7271e1aed4bddbd8b1542630f7bf6bc7b012", [:mix], [{:fs, "~> 0.9.1", [hex: :fs, optional: false]}, {:phoenix, "~> 1.0 or ~> 1.2-rc", [hex: :phoenix, optional: false]}]}, - "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.0.1", "c10ddf6237007c804bf2b8f3c4d5b99009b42eca3a0dfac04ea2d8001186056a", [:mix], []}, - "plug": {:hex, :plug, "1.3.0", "6e2b01afc5db3fd011ca4a16efd9cb424528c157c30a44a0186bcc92c7b2e8f3", [:mix], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, optional: true]}, {:mime, "~> 1.0", [hex: :mime, optional: false]}]}, - "poison": {:hex, :poison, "2.2.0", "4763b69a8a77bd77d26f477d196428b741261a761257ff1cf92753a0d4d24a63", [:mix], []}, - "postgrex": {:hex, :postgrex, "0.12.1", "2f8b46cb3a44dcd42f42938abedbfffe7e103ba4ce810ccbeee8dcf27ca0fb06", [:mix], [{:connection, "~> 1.0", [hex: :connection, optional: false]}, {:db_connection, "~> 1.0-rc.4", [hex: :db_connection, optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, optional: false]}]}, - "ranch": {:hex, :ranch, "1.2.1", "a6fb992c10f2187b46ffd17ce398ddf8a54f691b81768f9ef5f461ea7e28c762", [:make], []}} + "mime": {:hex, :mime, "1.2.0", "78adaa84832b3680de06f88f0997e3ead3b451a440d183d688085be2d709b534", [:mix], [], "hexpm"}, + "phoenix": {:hex, :phoenix, "1.3.0", "1c01124caa1b4a7af46f2050ff11b267baa3edb441b45dbf243e979cd4c5891b", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"}, + "phoenix_html": {:hex, :phoenix_html, "2.10.5", "4f9df6b0fb7422a9440a73182a566cb9cbe0e3ffe8884ef9337ccf284fc1ef0a", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"}, + "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.1.3", "1d178429fc8950b12457d09c6afec247bfe1fcb6f36209e18fbb0221bdfe4d41", [:mix], [{:file_system, "~> 0.2.1 or ~> 0.3", [hex: :file_system, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.0 or ~> 1.2 or ~> 1.3", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"}, + "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.0.2", "bfa7fd52788b5eaa09cb51ff9fcad1d9edfeb68251add458523f839392f034c1", [:mix], [], "hexpm"}, + "plug": {:hex, :plug, "1.4.5", "7b13869283fff6b8b21b84b8735326cc012c5eef8607095dc6ee24bd0a273d8e", [:mix], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, repo: "hexpm", optional: true]}, {:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}], "hexpm"}, + "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], [], "hexpm"}, + "postgrex": {:hex, :postgrex, "0.13.5", "3d931aba29363e1443da167a4b12f06dcd171103c424de15e5f3fc2ba3e6d9c5", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm"}, + "ranch": {:hex, :ranch, "1.3.2", "e4965a144dc9fbe70e5c077c65e73c57165416a901bd02ea899cfd95aa890986", [:rebar3], [], "hexpm"}} diff --git a/package.json b/package.json index 150178b..5bbace3 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,5 @@ { - "repository": { - }, + "repository": {}, "dependencies": { "babel-brunch": "~6.0.0", "brunch": "~2.1.3", diff --git a/priv/static/js/app.js b/priv/static/js/app.js index a28b0d5..d8c5ec0 100644 --- a/priv/static/js/app.js +++ b/priv/static/js/app.js @@ -123,115 +123,218 @@ }; require.register('phoenix', function(exports,req,module){ var require = __makeRequire((function(n) { return req(n.replace('./', 'phoenix/')); }), {}); - (function(exports){ + (function (global, factory) { +typeof exports === 'object' ? factory(exports) : +typeof define === 'function' && define.amd ? define(['exports'], factory) : +factory(global.Phoenix = global.Phoenix || {}); +}(this, (function (exports) { "use strict"; -var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; }; - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - Object.defineProperty(exports, "__esModule", { value: true }); -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; -// Phoenix Channels JavaScript client -// -// ## Socket Connection -// -// A single connection is established to the server and -// channels are mulitplexed over the connection. -// Connect to the server using the `Socket` class: -// -// let socket = new Socket("/ws", {params: {userToken: "123"}}) -// socket.connect() -// -// The `Socket` constructor takes the mount point of the socket, -// the authentication params, as well as options that can be found in -// the Socket docs, such as configuring the `LongPoll` transport, and -// heartbeat. -// -// ## Channels -// -// Channels are isolated, concurrent processes on the server that -// subscribe to topics and broker events between the client and server. -// To join a channel, you must provide the topic, and channel params for -// authorization. Here's an example chat room example where `"new_msg"` -// events are listened for, messages are pushed to the server, and -// the channel is joined with ok/error/timeout matches: -// -// let channel = socket.channel("rooms:123", {token: roomToken}) -// channel.on("new_msg", msg => console.log("Got message", msg) ) -// $input.onEnter( e => { -// channel.push("new_msg", {body: e.target.val}, 10000) -// .receive("ok", (msg) => console.log("created message", msg) ) -// .receive("error", (reasons) => console.log("create failed", reasons) ) -// .receive("timeout", () => console.log("Networking issue...") ) -// }) -// channel.join() -// .receive("ok", ({messages}) => console.log("catching up", messages) ) -// .receive("error", ({reason}) => console.log("failed join", reason) ) -// .receive("timeout", () => console.log("Networking issue. Still waiting...") ) -// -// -// ## Joining -// -// Creating a channel with `socket.channel(topic, params)`, binds the params to -// `channel.params`, which are sent up on `channel.join()`. -// Subsequent rejoins will send up the modified params for -// updating authorization params, or passing up last_message_id information. -// Successful joins receive an "ok" status, while unsuccessful joins -// receive "error". -// -// -// ## Pushing Messages -// -// From the previous example, we can see that pushing messages to the server -// can be done with `channel.push(eventName, payload)` and we can optionally -// receive responses from the push. Additionally, we can use -// `receive("timeout", callback)` to abort waiting for our other `receive` hooks -// and take action after some period of waiting. The default timeout is 5000ms. -// -// -// ## Socket Hooks -// -// Lifecycle events of the multiplexed connection can be hooked into via -// `socket.onError()` and `socket.onClose()` events, ie: -// -// socket.onError( () => console.log("there was an error with the connection!") ) -// socket.onClose( () => console.log("the connection dropped") ) -// -// -// ## Channel Hooks -// -// For each joined channel, you can bind to `onError` and `onClose` events -// to monitor the channel lifecycle, ie: -// -// channel.onError( () => console.log("there was an error!") ) -// channel.onClose( () => console.log("the channel has gone away gracefully") ) -// -// ### onError hooks -// -// `onError` hooks are invoked if the socket connection drops, or the channel -// crashes on the server. In either case, a channel rejoin is attemtped -// automatically in an exponential backoff manner. -// -// ### onClose hooks -// -// `onClose` hooks are invoked only in two cases. 1) the channel explicitly -// closed on the server, or 2). The client explicitly closed, by calling -// `channel.leave()` -// +var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -var VSN = "1.0.0"; +function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +/** + * Phoenix Channels JavaScript client + * + * ## Socket Connection + * + * A single connection is established to the server and + * channels are multiplexed over the connection. + * Connect to the server using the `Socket` class: + * + * ```javascript + * let socket = new Socket("/socket", {params: {userToken: "123"}}) + * socket.connect() + * ``` + * + * The `Socket` constructor takes the mount point of the socket, + * the authentication params, as well as options that can be found in + * the Socket docs, such as configuring the `LongPoll` transport, and + * heartbeat. + * + * ## Channels + * + * Channels are isolated, concurrent processes on the server that + * subscribe to topics and broker events between the client and server. + * To join a channel, you must provide the topic, and channel params for + * authorization. Here's an example chat room example where `"new_msg"` + * events are listened for, messages are pushed to the server, and + * the channel is joined with ok/error/timeout matches: + * + * ```javascript + * let channel = socket.channel("room:123", {token: roomToken}) + * channel.on("new_msg", msg => console.log("Got message", msg) ) + * $input.onEnter( e => { + * channel.push("new_msg", {body: e.target.val}, 10000) + * .receive("ok", (msg) => console.log("created message", msg) ) + * .receive("error", (reasons) => console.log("create failed", reasons) ) + * .receive("timeout", () => console.log("Networking issue...") ) + * }) + * channel.join() + * .receive("ok", ({messages}) => console.log("catching up", messages) ) + * .receive("error", ({reason}) => console.log("failed join", reason) ) + * .receive("timeout", () => console.log("Networking issue. Still waiting...") ) + *``` + * + * ## Joining + * + * Creating a channel with `socket.channel(topic, params)`, binds the params to + * `channel.params`, which are sent up on `channel.join()`. + * Subsequent rejoins will send up the modified params for + * updating authorization params, or passing up last_message_id information. + * Successful joins receive an "ok" status, while unsuccessful joins + * receive "error". + * + * ## Duplicate Join Subscriptions + * + * While the client may join any number of topics on any number of channels, + * the client may only hold a single subscription for each unique topic at any + * given time. When attempting to create a duplicate subscription, + * the server will close the existing channel, log a warning, and + * spawn a new channel for the topic. The client will have their + * `channel.onClose` callbacks fired for the existing channel, and the new + * channel join will have its receive hooks processed as normal. + * + * ## Pushing Messages + * + * From the previous example, we can see that pushing messages to the server + * can be done with `channel.push(eventName, payload)` and we can optionally + * receive responses from the push. Additionally, we can use + * `receive("timeout", callback)` to abort waiting for our other `receive` hooks + * and take action after some period of waiting. The default timeout is 5000ms. + * + * + * ## Socket Hooks + * + * Lifecycle events of the multiplexed connection can be hooked into via + * `socket.onError()` and `socket.onClose()` events, ie: + * + * ```javascript + * socket.onError( () => console.log("there was an error with the connection!") ) + * socket.onClose( () => console.log("the connection dropped") ) + * ``` + * + * + * ## Channel Hooks + * + * For each joined channel, you can bind to `onError` and `onClose` events + * to monitor the channel lifecycle, ie: + * + * ```javascript + * channel.onError( () => console.log("there was an error!") ) + * channel.onClose( () => console.log("the channel has gone away gracefully") ) + * ``` + * + * ### onError hooks + * + * `onError` hooks are invoked if the socket connection drops, or the channel + * crashes on the server. In either case, a channel rejoin is attempted + * automatically in an exponential backoff manner. + * + * ### onClose hooks + * + * `onClose` hooks are invoked only in two cases. 1) the channel explicitly + * closed on the server, or 2). The client explicitly closed, by calling + * `channel.leave()` + * + * + * ## Presence + * + * The `Presence` object provides features for syncing presence information + * from the server with the client and handling presences joining and leaving. + * + * ### Syncing initial state from the server + * + * `Presence.syncState` is used to sync the list of presences on the server + * with the client's state. An optional `onJoin` and `onLeave` callback can + * be provided to react to changes in the client's local presences across + * disconnects and reconnects with the server. + * + * `Presence.syncDiff` is used to sync a diff of presence join and leave + * events from the server, as they happen. Like `syncState`, `syncDiff` + * accepts optional `onJoin` and `onLeave` callbacks to react to a user + * joining or leaving from a device. + * + * ### Listing Presences + * + * `Presence.list` is used to return a list of presence information + * based on the local state of metadata. By default, all presence + * metadata is returned, but a `listBy` function can be supplied to + * allow the client to select which metadata to use for a given presence. + * For example, you may have a user online from different devices with + * a metadata status of "online", but they have set themselves to "away" + * on another device. In this case, the app may choose to use the "away" + * status for what appears on the UI. The example below defines a `listBy` + * function which prioritizes the first metadata which was registered for + * each user. This could be the first tab they opened, or the first device + * they came online from: + * + * ```javascript + * let state = {} + * state = Presence.syncState(state, stateFromServer) + * let listBy = (id, {metas: [first, ...rest]}) => { + * first.count = rest.length + 1 // count of this user's presences + * first.id = id + * return first + * } + * let onlineUsers = Presence.list(state, listBy) + * ``` + * + * + * ### Example Usage + *```javascript + * // detect if user has joined for the 1st time or from another tab/device + * let onJoin = (id, current, newPres) => { + * if(!current){ + * console.log("user has entered for the first time", newPres) + * } else { + * console.log("user additional presence", newPres) + * } + * } + * // detect if user has left from all tabs/devices, or is still present + * let onLeave = (id, current, leftPres) => { + * if(current.metas.length === 0){ + * console.log("user has left from all devices", leftPres) + * } else { + * console.log("user left from a device", leftPres) + * } + * } + * let presences = {} // client's initial empty presence state + * // receive initial presence data from server, sent after join + * myChannel.on("presence_state", state => { + * presences = Presence.syncState(presences, state, onJoin, onLeave) + * displayUsers(Presence.list(presences)) + * }) + * // receive "presence_diff" from server, containing join/leave events + * myChannel.on("presence_diff", diff => { + * presences = Presence.syncDiff(presences, diff, onJoin, onLeave) + * this.setState({users: Presence.list(room.presences, listBy)}) + * }) + * ``` + * @module phoenix + */ + +var VSN = "2.0.0"; var SOCKET_STATES = { connecting: 0, open: 1, closing: 2, closed: 3 }; var DEFAULT_TIMEOUT = 10000; +var WS_CLOSE_NORMAL = 1000; var CHANNEL_STATES = { closed: "closed", errored: "errored", joined: "joined", - joining: "joining" + joining: "joining", + leaving: "leaving" }; var CHANNEL_EVENTS = { close: "phx_close", @@ -240,21 +343,21 @@ var CHANNEL_EVENTS = { reply: "phx_reply", leave: "phx_leave" }; +var CHANNEL_LIFECYCLE_EVENTS = [CHANNEL_EVENTS.close, CHANNEL_EVENTS.error, CHANNEL_EVENTS.join, CHANNEL_EVENTS.reply, CHANNEL_EVENTS.leave]; var TRANSPORTS = { longpoll: "longpoll", websocket: "websocket" }; -var Push = function () { - - // Initializes the Push - // - // channel - The Channel - // event - The event, for example `"phx_join"` - // payload - The payload, for example `{user_id: 123}` - // timeout - The push timeout in milliseconds - // +/** + * Initializes the Push + * @param {Channel} channel - The Channel + * @param {string} event - The event, for example `"phx_join"` + * @param {Object} payload - The payload, for example `{user_id: 123}` + * @param {number} timeout - The push timeout in milliseconds + */ +var Push = function () { function Push(channel, event, payload, timeout) { _classCallCheck(this, Push); @@ -268,17 +371,24 @@ var Push = function () { this.sent = false; } + /** + * + * @param {number} timeout + */ + + _createClass(Push, [{ key: "resend", value: function resend(timeout) { this.timeout = timeout; - this.cancelRefEvent(); - this.ref = null; - this.refEvent = null; - this.receivedResp = null; - this.sent = false; + this.reset(); this.send(); } + + /** + * + */ + }, { key: "send", value: function send() { @@ -291,9 +401,17 @@ var Push = function () { topic: this.channel.topic, event: this.event, payload: this.payload, - ref: this.ref + ref: this.ref, + join_ref: this.channel.joinRef() }); } + + /** + * + * @param {*} status + * @param {*} callback + */ + }, { key: "receive", value: function receive(status, callback) { @@ -307,12 +425,21 @@ var Push = function () { // private + }, { + key: "reset", + value: function reset() { + this.cancelRefEvent(); + this.ref = null; + this.refEvent = null; + this.receivedResp = null; + this.sent = false; + } }, { key: "matchReceive", value: function matchReceive(_ref) { - var status = _ref.status; - var response = _ref.response; - var ref = _ref.ref; + var status = _ref.status, + response = _ref.response, + ref = _ref.ref; this.recHooks.filter(function (h) { return h.status === status; @@ -340,7 +467,7 @@ var Push = function () { var _this = this; if (this.timeoutTimer) { - return; + this.cancelTimeout(); } this.ref = this.channel.socket.makeRef(); this.refEvent = this.channel.replyEventName(this.ref); @@ -371,6 +498,14 @@ var Push = function () { return Push; }(); +/** + * + * @param {string} topic + * @param {Object} params + * @param {Socket} socket + */ + + var Channel = exports.Channel = function () { function Channel(topic, params, socket) { var _this2 = this; @@ -398,22 +533,28 @@ var Channel = exports.Channel = function () { _this2.pushBuffer = []; }); this.onClose(function () { - _this2.socket.log("channel", "close " + _this2.topic); + _this2.rejoinTimer.reset(); + _this2.socket.log("channel", "close " + _this2.topic + " " + _this2.joinRef()); _this2.state = CHANNEL_STATES.closed; _this2.socket.remove(_this2); }); this.onError(function (reason) { + if (_this2.isLeaving() || _this2.isClosed()) { + return; + } _this2.socket.log("channel", "error " + _this2.topic, reason); _this2.state = CHANNEL_STATES.errored; _this2.rejoinTimer.scheduleTimeout(); }); this.joinPush.receive("timeout", function () { - if (_this2.state !== CHANNEL_STATES.joining) { + if (!_this2.isJoining()) { return; } - - _this2.socket.log("channel", "timeout " + _this2.topic, _this2.joinPush.timeout); + _this2.socket.log("channel", "timeout " + _this2.topic + " (" + _this2.joinRef() + ")", _this2.joinPush.timeout); + var leavePush = new Push(_this2, CHANNEL_EVENTS.leave, {}, _this2.timeout); + leavePush.send(); _this2.state = CHANNEL_STATES.errored; + _this2.joinPush.reset(); _this2.rejoinTimer.scheduleTimeout(); }); this.on(CHANNEL_EVENTS.reply, function (payload, ref) { @@ -432,15 +573,15 @@ var Channel = exports.Channel = function () { }, { key: "join", value: function join() { - var timeout = arguments.length <= 0 || arguments[0] === undefined ? this.timeout : arguments[0]; + var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.timeout; if (this.joinedOnce) { throw "tried to join multiple times. 'join' can only be called a single time per channel instance"; } else { this.joinedOnce = true; + this.rejoin(timeout); + return this.joinPush; } - this.rejoin(timeout); - return this.joinPush; } }, { key: "onClose", @@ -469,12 +610,12 @@ var Channel = exports.Channel = function () { }, { key: "canPush", value: function canPush() { - return this.socket.isConnected() && this.state === CHANNEL_STATES.joined; + return this.socket.isConnected() && this.isJoined(); } }, { key: "push", value: function push(event, payload) { - var timeout = arguments.length <= 2 || arguments[2] === undefined ? this.timeout : arguments[2]; + var timeout = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.timeout; if (!this.joinedOnce) { throw "tried to push '" + event + "' to '" + this.topic + "' before joining. Use channel.join() before pushing events"; @@ -490,26 +631,29 @@ var Channel = exports.Channel = function () { return pushEvent; } - // Leaves the channel - // - // Unsubscribes from server events, and - // instructs channel to terminate on server - // - // Triggers onClose() hooks - // - // To receive leave acknowledgements, use the a `receive` - // hook to bind to the server ack, ie: - // - // channel.leave().receive("ok", () => alert("left!") ) - // + /** Leaves the channel + * + * Unsubscribes from server events, and + * instructs channel to terminate on server + * + * Triggers onClose() hooks + * + * To receive leave acknowledgements, use the a `receive` + * hook to bind to the server ack, ie: + * + * ```javascript + * channel.leave().receive("ok", () => alert("left!") ) + * ``` + */ }, { key: "leave", value: function leave() { var _this3 = this; - var timeout = arguments.length <= 0 || arguments[0] === undefined ? this.timeout : arguments[0]; + var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.timeout; + this.state = CHANNEL_STATES.leaving; var onClose = function onClose() { _this3.socket.log("channel", "leave " + _this3.topic); _this3.trigger(CHANNEL_EVENTS.close, "leave"); @@ -528,20 +672,42 @@ var Channel = exports.Channel = function () { return leavePush; } - // Overridable message hook - // - // Receives all events for specialized message handling + /** + * Overridable message hook + * + * Receives all events for specialized message handling + * before dispatching to the channel callbacks. + * + * Must return the payload, modified or unmodified + */ }, { key: "onMessage", - value: function onMessage(event, payload, ref) {} + value: function onMessage(event, payload, ref) { + return payload; + } // private }, { key: "isMember", - value: function isMember(topic) { - return this.topic === topic; + value: function isMember(topic, event, payload, joinRef) { + if (this.topic !== topic) { + return false; + } + var isLifecycleEvent = CHANNEL_LIFECYCLE_EVENTS.indexOf(event) >= 0; + + if (joinRef && isLifecycleEvent && joinRef !== this.joinRef()) { + this.socket.log("channel", "dropping outdated message", { topic: topic, event: event, payload: payload, joinRef: joinRef }); + return false; + } else { + return true; + } + } + }, { + key: "joinRef", + value: function joinRef() { + return this.joinPush.ref; } }, { key: "sendJoin", @@ -552,17 +718,26 @@ var Channel = exports.Channel = function () { }, { key: "rejoin", value: function rejoin() { - var timeout = arguments.length <= 0 || arguments[0] === undefined ? this.timeout : arguments[0]; + var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.timeout; + if (this.isLeaving()) { + return; + } this.sendJoin(timeout); } }, { key: "trigger", - value: function trigger(triggerEvent, payload, ref) { - this.onMessage(triggerEvent, payload, ref); + value: function trigger(event, payload, ref, joinRef) { + var _this4 = this; + + var handledPayload = this.onMessage(event, payload, ref, joinRef); + if (payload && !handledPayload) { + throw "channel onMessage callbacks must return the payload, modified or unmodified"; + } + this.bindings.filter(function (bind) { - return bind.event === triggerEvent; + return bind.event === event; }).map(function (bind) { - return bind.callback(payload, ref); + return bind.callback(handledPayload, ref, joinRef || _this4.joinRef()); }); } }, { @@ -570,46 +745,114 @@ var Channel = exports.Channel = function () { value: function replyEventName(ref) { return "chan_reply_" + ref; } + }, { + key: "isClosed", + value: function isClosed() { + return this.state === CHANNEL_STATES.closed; + } + }, { + key: "isErrored", + value: function isErrored() { + return this.state === CHANNEL_STATES.errored; + } + }, { + key: "isJoined", + value: function isJoined() { + return this.state === CHANNEL_STATES.joined; + } + }, { + key: "isJoining", + value: function isJoining() { + return this.state === CHANNEL_STATES.joining; + } + }, { + key: "isLeaving", + value: function isLeaving() { + return this.state === CHANNEL_STATES.leaving; + } }]); return Channel; }(); -var Socket = exports.Socket = function () { +var Serializer = { + encode: function encode(msg, callback) { + var payload = [msg.join_ref, msg.ref, msg.topic, msg.event, msg.payload]; + return callback(JSON.stringify(payload)); + }, + decode: function decode(rawPayload, callback) { + var _JSON$parse = JSON.parse(rawPayload), + _JSON$parse2 = _slicedToArray(_JSON$parse, 5), + join_ref = _JSON$parse2[0], + ref = _JSON$parse2[1], + topic = _JSON$parse2[2], + event = _JSON$parse2[3], + payload = _JSON$parse2[4]; + + return callback({ join_ref: join_ref, ref: ref, topic: topic, event: event, payload: payload }); + } +}; - // Initializes the Socket - // - // endPoint - The string WebSocket endpoint, ie, "ws://example.com/ws", - // "wss://example.com" - // "/ws" (inherited host & protocol) - // opts - Optional configuration - // transport - The Websocket Transport, for example WebSocket or Phoenix.LongPoll. - // Defaults to WebSocket with automatic LongPoll fallback. - // timeout - The default timeout in milliseconds to trigger push timeouts. - // Defaults `DEFAULT_TIMEOUT` - // heartbeatIntervalMs - The millisec interval to send a heartbeat message - // reconnectAfterMs - The optional function that returns the millsec - // reconnect interval. Defaults to stepped backoff of: - // - // function(tries){ - // return [1000, 5000, 10000][tries - 1] || 10000 - // } - // - // logger - The optional function for specialized logging, ie: - // `logger: (kind, msg, data) => { console.log(`${kind}: ${msg}`, data) } - // - // longpollerTimeout - The maximum timeout of a long poll AJAX request. - // Defaults to 20s (double the server long poll timer). - // - // params - The optional params to pass when connecting - // - // For IE8 support use an ES5-shim (https://github.com/es-shims/es5-shim) - // +/** Initializes the Socket + * + * + * For IE8 support use an ES5-shim (https://github.com/es-shims/es5-shim) + * + * @param {string} endPoint - The string WebSocket endpoint, ie, `"ws://example.com/socket"`, + * `"wss://example.com"` + * `"/socket"` (inherited host & protocol) + * @param {Object} opts - Optional configuration + * @param {string} opts.transport - The Websocket Transport, for example WebSocket or Phoenix.LongPoll. + * + * Defaults to WebSocket with automatic LongPoll fallback. + * @param {Function} opts.encode - The function to encode outgoing messages. + * + * Defaults to JSON: + * + * ```javascript + * (payload, callback) => callback(JSON.stringify(payload)) + * ``` + * + * @param {Function} opts.decode - The function to decode incoming messages. + * + * Defaults to JSON: + * + * ```javascript + * (payload, callback) => callback(JSON.parse(payload)) + * ``` + * + * @param {number} opts.timeout - The default timeout in milliseconds to trigger push timeouts. + * + * Defaults `DEFAULT_TIMEOUT` + * @param {number} opts.heartbeatIntervalMs - The millisec interval to send a heartbeat message + * @param {number} opts.reconnectAfterMs - The optional function that returns the millsec reconnect interval. + * + * Defaults to stepped backoff of: + * + * ```javascript + * function(tries){ + * return [1000, 5000, 10000][tries - 1] || 10000 + * } + * ``` + * @param {Function} opts.logger - The optional function for specialized logging, ie: + * ```javascript + * logger: (kind, msg, data) => { console.log(`${kind}: ${msg}`, data) } + * ``` + * + * @param {number} opts.longpollerTimeout - The maximum timeout of a long poll AJAX request. + * + * Defaults to 20s (double the server long poll timer). + * + * @param {Object} opts.params - The optional params to pass when connecting + * + * +*/ +var Socket = exports.Socket = function () { function Socket(endPoint) { - var _this4 = this; + var _this5 = this; - var opts = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1]; + var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; _classCallCheck(this, Socket); @@ -619,6 +862,15 @@ var Socket = exports.Socket = function () { this.ref = 0; this.timeout = opts.timeout || DEFAULT_TIMEOUT; this.transport = opts.transport || window.WebSocket || LongPoll; + this.defaultEncoder = Serializer.encode; + this.defaultDecoder = Serializer.decode; + if (this.transport !== LongPoll) { + this.encode = opts.encode || this.defaultEncoder; + this.decode = opts.decode || this.defaultDecoder; + } else { + this.encode = this.defaultEncoder; + this.decode = this.defaultDecoder; + } this.heartbeatIntervalMs = opts.heartbeatIntervalMs || 30000; this.reconnectAfterMs = opts.reconnectAfterMs || function (tries) { return [1000, 2000, 5000, 10000][tries - 1] || 10000; @@ -627,9 +879,11 @@ var Socket = exports.Socket = function () { this.longpollerTimeout = opts.longpollerTimeout || 20000; this.params = opts.params || {}; this.endPoint = endPoint + "/" + TRANSPORTS.websocket; + this.heartbeatTimer = null; + this.pendingHeartbeatRef = null; this.reconnectTimer = new Timer(function () { - _this4.disconnect(function () { - return _this4.connect(); + _this5.disconnect(function () { + return _this5.connect(); }); }, this.reconnectAfterMs); } @@ -667,12 +921,15 @@ var Socket = exports.Socket = function () { callback && callback(); } - // params - The params to send when connecting, for example `{user_id: userToken}` + /** + * + * @param {Object} params - The params to send when connecting, for example `{user_id: userToken}` + */ }, { key: "connect", value: function connect(params) { - var _this5 = this; + var _this6 = this; if (params) { console && console.log("passing params to connect is deprecated. Instead pass :params to the Socket constructor"); @@ -685,20 +942,25 @@ var Socket = exports.Socket = function () { this.conn = new this.transport(this.endPointURL()); this.conn.timeout = this.longpollerTimeout; this.conn.onopen = function () { - return _this5.onConnOpen(); + return _this6.onConnOpen(); }; this.conn.onerror = function (error) { - return _this5.onConnError(error); + return _this6.onConnError(error); }; this.conn.onmessage = function (event) { - return _this5.onConnMessage(event); + return _this6.onConnMessage(event); }; this.conn.onclose = function (event) { - return _this5.onConnClose(event); + return _this6.onConnClose(event); }; } - // Logs the message. Override `this.logger` for specialized logging. noops by default + /** + * Logs the message. Override `this.logger` for specialized logging. noops by default + * @param {string} kind + * @param {string} msg + * @param {Object} data + */ }, { key: "log", @@ -736,15 +998,15 @@ var Socket = exports.Socket = function () { }, { key: "onConnOpen", value: function onConnOpen() { - var _this6 = this; + var _this7 = this; - this.log("transport", "connected to " + this.endPointURL(), this.transport.prototype); + this.log("transport", "connected to " + this.endPointURL()); this.flushSendBuffer(); this.reconnectTimer.reset(); if (!this.conn.skipHeartbeat) { clearInterval(this.heartbeatTimer); this.heartbeatTimer = setInterval(function () { - return _this6.sendHeartbeat(); + return _this7.sendHeartbeat(); }, this.heartbeatIntervalMs); } this.stateChangeCallbacks.open.forEach(function (callback) { @@ -801,13 +1063,13 @@ var Socket = exports.Socket = function () { key: "remove", value: function remove(channel) { this.channels = this.channels.filter(function (c) { - return !c.isMember(channel.topic); + return c.joinRef() !== channel.joinRef(); }); } }, { key: "channel", value: function channel(topic) { - var chanParams = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1]; + var chanParams = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; var chan = new Channel(topic, chanParams, this); this.channels.push(chan); @@ -816,17 +1078,20 @@ var Socket = exports.Socket = function () { }, { key: "push", value: function push(data) { - var _this7 = this; + var _this8 = this; - var topic = data.topic; - var event = data.event; - var payload = data.payload; - var ref = data.ref; + var topic = data.topic, + event = data.event, + payload = data.payload, + ref = data.ref, + join_ref = data.join_ref; var callback = function callback() { - return _this7.conn.send(JSON.stringify(data)); + _this8.encode(data, function (result) { + _this8.conn.send(result); + }); }; - this.log("push", topic + " " + event + " (" + ref + ")", payload); + this.log("push", topic + " " + event + " (" + join_ref + ", " + ref + ")", payload); if (this.isConnected()) { callback(); } else { @@ -834,7 +1099,9 @@ var Socket = exports.Socket = function () { } } - // Return the next message ref, accounting for overflows + /** + * Return the next message ref, accounting for overflows + */ }, { key: "makeRef", @@ -854,7 +1121,14 @@ var Socket = exports.Socket = function () { if (!this.isConnected()) { return; } - this.push({ topic: "phoenix", event: "heartbeat", payload: {}, ref: this.makeRef() }); + if (this.pendingHeartbeatRef) { + this.pendingHeartbeatRef = null; + this.log("transport", "heartbeat timeout. Attempting to re-establish connection"); + this.conn.close(WS_CLOSE_NORMAL, "hearbeat timeout"); + return; + } + this.pendingHeartbeatRef = this.makeRef(); + this.push({ topic: "phoenix", event: "heartbeat", payload: {}, ref: this.pendingHeartbeatRef }); } }, { key: "flushSendBuffer", @@ -869,20 +1143,28 @@ var Socket = exports.Socket = function () { }, { key: "onConnMessage", value: function onConnMessage(rawMessage) { - var msg = JSON.parse(rawMessage.data); - var topic = msg.topic; - var event = msg.event; - var payload = msg.payload; - var ref = msg.ref; - - this.log("receive", (payload.status || "") + " " + topic + " " + event + " " + (ref && "(" + ref + ")" || ""), payload); - this.channels.filter(function (channel) { - return channel.isMember(topic); - }).forEach(function (channel) { - return channel.trigger(event, payload, ref); - }); - this.stateChangeCallbacks.message.forEach(function (callback) { - return callback(msg); + var _this9 = this; + + this.decode(rawMessage.data, function (msg) { + var topic = msg.topic, + event = msg.event, + payload = msg.payload, + ref = msg.ref, + join_ref = msg.join_ref; + + if (ref && ref === _this9.pendingHeartbeatRef) { + _this9.pendingHeartbeatRef = null; + } + + _this9.log("receive", (payload.status || "") + " " + topic + " " + event + " " + (ref && "(" + ref + ")" || ""), payload); + _this9.channels.filter(function (channel) { + return channel.isMember(topic, event, payload, join_ref); + }).forEach(function (channel) { + return channel.trigger(event, payload, ref, join_ref); + }); + _this9.stateChangeCallbacks.message.forEach(function (callback) { + return callback(msg); + }); }); } }]); @@ -932,7 +1214,7 @@ var LongPoll = exports.LongPoll = function () { }, { key: "poll", value: function poll() { - var _this8 = this; + var _this10 = this; if (!(this.readyState === SOCKET_STATES.open || this.readyState === SOCKET_STATES.connecting)) { return; @@ -940,11 +1222,11 @@ var LongPoll = exports.LongPoll = function () { Ajax.request("GET", this.endpointURL(), "application/json", null, this.timeout, this.ontimeout.bind(this), function (resp) { if (resp) { - var status = resp.status; - var token = resp.token; - var messages = resp.messages; + var status = resp.status, + token = resp.token, + messages = resp.messages; - _this8.token = token; + _this10.token = token; } else { var status = 0; } @@ -952,22 +1234,22 @@ var LongPoll = exports.LongPoll = function () { switch (status) { case 200: messages.forEach(function (msg) { - return _this8.onmessage({ data: JSON.stringify(msg) }); + return _this10.onmessage({ data: msg }); }); - _this8.poll(); + _this10.poll(); break; case 204: - _this8.poll(); + _this10.poll(); break; case 410: - _this8.readyState = SOCKET_STATES.open; - _this8.onopen(); - _this8.poll(); + _this10.readyState = SOCKET_STATES.open; + _this10.onopen(); + _this10.poll(); break; case 0: case 500: - _this8.onerror(); - _this8.closeAndRetry(); + _this10.onerror(); + _this10.closeAndRetry(); break; default: throw "unhandled poll status " + status; @@ -977,12 +1259,12 @@ var LongPoll = exports.LongPoll = function () { }, { key: "send", value: function send(body) { - var _this9 = this; + var _this11 = this; Ajax.request("POST", this.endpointURL(), "application/json", body, this.timeout, this.onerror.bind(this, "timeout"), function (resp) { if (!resp || resp.status !== 200) { - _this9.onerror(status); - _this9.closeAndRetry(); + _this11.onerror(resp && resp.status); + _this11.closeAndRetry(); } }); } @@ -1009,20 +1291,20 @@ var Ajax = exports.Ajax = function () { var req = new XDomainRequest(); // IE8, IE9 this.xdomainRequest(req, method, endPoint, body, timeout, ontimeout, callback); } else { - var req = window.XMLHttpRequest ? new XMLHttpRequest() : // IE7+, Firefox, Chrome, Opera, Safari + var _req = window.XMLHttpRequest ? new window.XMLHttpRequest() : // IE7+, Firefox, Chrome, Opera, Safari new ActiveXObject("Microsoft.XMLHTTP"); // IE6, IE5 - this.xhrRequest(req, method, endPoint, accept, body, timeout, ontimeout, callback); + this.xhrRequest(_req, method, endPoint, accept, body, timeout, ontimeout, callback); } } }, { key: "xdomainRequest", value: function xdomainRequest(req, method, endPoint, body, timeout, ontimeout, callback) { - var _this10 = this; + var _this12 = this; req.timeout = timeout; req.open(method, endPoint); req.onload = function () { - var response = _this10.parseJSON(req.responseText); + var response = _this12.parseJSON(req.responseText); callback && callback(response); }; if (ontimeout) { @@ -1037,17 +1319,17 @@ var Ajax = exports.Ajax = function () { }, { key: "xhrRequest", value: function xhrRequest(req, method, endPoint, accept, body, timeout, ontimeout, callback) { - var _this11 = this; + var _this13 = this; - req.timeout = timeout; req.open(method, endPoint, true); + req.timeout = timeout; req.setRequestHeader("Content-Type", accept); req.onerror = function () { callback && callback(null); }; req.onreadystatechange = function () { - if (req.readyState === _this11.states.complete && callback) { - var response = _this11.parseJSON(req.responseText); + if (req.readyState === _this13.states.complete && callback) { + var response = _this13.parseJSON(req.responseText); callback(response); } }; @@ -1060,7 +1342,16 @@ var Ajax = exports.Ajax = function () { }, { key: "parseJSON", value: function parseJSON(resp) { - return resp && resp !== "" ? JSON.parse(resp) : null; + if (!resp || resp === "") { + return null; + } + + try { + return JSON.parse(resp); + } catch (e) { + console && console.log("failed to parse JSON response", resp); + return null; + } } }, { key: "serialize", @@ -1097,19 +1388,132 @@ var Ajax = exports.Ajax = function () { Ajax.states = { complete: 4 }; -// Creates a timer that accepts a `timerCalc` function to perform -// calculated timeout retries, such as exponential backoff. -// -// ## Examples -// -// let reconnectTimer = new Timer(() => this.connect(), function(tries){ -// return [1000, 5000, 10000][tries - 1] || 10000 -// }) -// reconnectTimer.scheduleTimeout() // fires after 1000 -// reconnectTimer.scheduleTimeout() // fires after 5000 -// reconnectTimer.reset() -// reconnectTimer.scheduleTimeout() // fires after 1000 -// +var Presence = exports.Presence = { + syncState: function syncState(currentState, newState, onJoin, onLeave) { + var _this14 = this; + + var state = this.clone(currentState); + var joins = {}; + var leaves = {}; + + this.map(state, function (key, presence) { + if (!newState[key]) { + leaves[key] = presence; + } + }); + this.map(newState, function (key, newPresence) { + var currentPresence = state[key]; + if (currentPresence) { + var newRefs = newPresence.metas.map(function (m) { + return m.phx_ref; + }); + var curRefs = currentPresence.metas.map(function (m) { + return m.phx_ref; + }); + var joinedMetas = newPresence.metas.filter(function (m) { + return curRefs.indexOf(m.phx_ref) < 0; + }); + var leftMetas = currentPresence.metas.filter(function (m) { + return newRefs.indexOf(m.phx_ref) < 0; + }); + if (joinedMetas.length > 0) { + joins[key] = newPresence; + joins[key].metas = joinedMetas; + } + if (leftMetas.length > 0) { + leaves[key] = _this14.clone(currentPresence); + leaves[key].metas = leftMetas; + } + } else { + joins[key] = newPresence; + } + }); + return this.syncDiff(state, { joins: joins, leaves: leaves }, onJoin, onLeave); + }, + syncDiff: function syncDiff(currentState, _ref2, onJoin, onLeave) { + var joins = _ref2.joins, + leaves = _ref2.leaves; + + var state = this.clone(currentState); + if (!onJoin) { + onJoin = function onJoin() {}; + } + if (!onLeave) { + onLeave = function onLeave() {}; + } + + this.map(joins, function (key, newPresence) { + var currentPresence = state[key]; + state[key] = newPresence; + if (currentPresence) { + var _state$key$metas; + + (_state$key$metas = state[key].metas).unshift.apply(_state$key$metas, _toConsumableArray(currentPresence.metas)); + } + onJoin(key, currentPresence, newPresence); + }); + this.map(leaves, function (key, leftPresence) { + var currentPresence = state[key]; + if (!currentPresence) { + return; + } + var refsToRemove = leftPresence.metas.map(function (m) { + return m.phx_ref; + }); + currentPresence.metas = currentPresence.metas.filter(function (p) { + return refsToRemove.indexOf(p.phx_ref) < 0; + }); + onLeave(key, currentPresence, leftPresence); + if (currentPresence.metas.length === 0) { + delete state[key]; + } + }); + return state; + }, + list: function list(presences, chooser) { + if (!chooser) { + chooser = function chooser(key, pres) { + return pres; + }; + } + + return this.map(presences, function (key, presence) { + return chooser(key, presence); + }); + }, + + + // private + + map: function map(obj, func) { + return Object.getOwnPropertyNames(obj).map(function (key) { + return func(key, obj[key]); + }); + }, + clone: function clone(obj) { + return JSON.parse(JSON.stringify(obj)); + } +}; + +/** + * + * Creates a timer that accepts a `timerCalc` function to perform + * calculated timeout retries, such as exponential backoff. + * + * ## Examples + * + * ```javascript + * let reconnectTimer = new Timer(() => this.connect(), function(tries){ + * return [1000, 5000, 10000][tries - 1] || 10000 + * }) + * reconnectTimer.scheduleTimeout() // fires after 1000 + * reconnectTimer.scheduleTimeout() // fires after 5000 + * reconnectTimer.reset() + * reconnectTimer.scheduleTimeout() // fires after 1000 + * ``` + * @param {Function} callback + * @param {Function} timerCalc + */ var Timer = function () { function Timer(callback, timerCalc) { @@ -1128,18 +1532,20 @@ var Timer = function () { clearTimeout(this.timer); } - // Cancels any previous scheduleTimeout and schedules callback + /** + * Cancels any previous scheduleTimeout and schedules callback + */ }, { key: "scheduleTimeout", value: function scheduleTimeout() { - var _this12 = this; + var _this15 = this; clearTimeout(this.timer); this.timer = setTimeout(function () { - _this12.tries = _this12.tries + 1; - _this12.callback(); + _this15.tries = _this15.tries + 1; + _this15.callback(); }, this.timerCalc(this.tries + 1)); } }]); @@ -1147,31 +1553,58 @@ var Timer = function () { return Timer; }(); - -})(typeof(exports) === "undefined" ? 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function(exports,req,module){\n var require = __makeRequire((function(n) { return req(n.replace('./', 'phoenix/')); }), {});\n (function(exports){\n\"use strict\";\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol ? \"symbol\" : typeof obj; };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// Phoenix Channels JavaScript client\n//\n// ## Socket Connection\n//\n// A single connection is established to the server and\n// channels are mulitplexed over the connection.\n// Connect to the server using the `Socket` class:\n//\n// let socket = new Socket(\"/ws\", {params: {userToken: \"123\"}})\n// socket.connect()\n//\n// The `Socket` constructor takes the mount point of the socket,\n// the authentication params, as well as options that can be found in\n// the Socket docs, such as configuring the `LongPoll` transport, and\n// heartbeat.\n//\n// ## Channels\n//\n// Channels are isolated, concurrent processes on the server that\n// subscribe to topics and broker events between the client and server.\n// To join a channel, you must provide the topic, and channel params for\n// authorization. Here's an example chat room example where `\"new_msg\"`\n// events are listened for, messages are pushed to the server, and\n// the channel is joined with ok/error/timeout matches:\n//\n// let channel = socket.channel(\"rooms:123\", {token: roomToken})\n// channel.on(\"new_msg\", msg => console.log(\"Got message\", msg) )\n// $input.onEnter( e => {\n// channel.push(\"new_msg\", {body: e.target.val}, 10000)\n// .receive(\"ok\", (msg) => console.log(\"created message\", msg) )\n// .receive(\"error\", (reasons) => console.log(\"create failed\", reasons) )\n// .receive(\"timeout\", () => console.log(\"Networking issue...\") )\n// })\n// channel.join()\n// .receive(\"ok\", ({messages}) => console.log(\"catching up\", messages) )\n// .receive(\"error\", ({reason}) => console.log(\"failed join\", reason) )\n// .receive(\"timeout\", () => console.log(\"Networking issue. Still waiting...\") )\n//\n//\n// ## Joining\n//\n// Creating a channel with `socket.channel(topic, params)`, binds the params to\n// `channel.params`, which are sent up on `channel.join()`.\n// Subsequent rejoins will send up the modified params for\n// updating authorization params, or passing up last_message_id information.\n// Successful joins receive an \"ok\" status, while unsuccessful joins\n// receive \"error\".\n//\n//\n// ## Pushing Messages\n//\n// From the previous example, we can see that pushing messages to the server\n// can be done with `channel.push(eventName, payload)` and we can optionally\n// receive responses from the push. Additionally, we can use\n// `receive(\"timeout\", callback)` to abort waiting for our other `receive` hooks\n// and take action after some period of waiting. The default timeout is 5000ms.\n//\n//\n// ## Socket Hooks\n//\n// Lifecycle events of the multiplexed connection can be hooked into via\n// `socket.onError()` and `socket.onClose()` events, ie:\n//\n// socket.onError( () => console.log(\"there was an error with the connection!\") )\n// socket.onClose( () => console.log(\"the connection dropped\") )\n//\n//\n// ## Channel Hooks\n//\n// For each joined channel, you can bind to `onError` and `onClose` events\n// to monitor the channel lifecycle, ie:\n//\n// channel.onError( () => console.log(\"there was an error!\") )\n// channel.onClose( () => console.log(\"the channel has gone away gracefully\") )\n//\n// ### onError hooks\n//\n// `onError` hooks are invoked if the socket connection drops, or the channel\n// crashes on the server. In either case, a channel rejoin is attemtped\n// automatically in an exponential backoff manner.\n//\n// ### onClose hooks\n//\n// `onClose` hooks are invoked only in two cases. 1) the channel explicitly\n// closed on the server, or 2). The client explicitly closed, by calling\n// `channel.leave()`\n//\n\nvar VSN = \"1.0.0\";\nvar SOCKET_STATES = { connecting: 0, open: 1, closing: 2, closed: 3 };\nvar DEFAULT_TIMEOUT = 10000;\nvar CHANNEL_STATES = {\n closed: \"closed\",\n errored: \"errored\",\n joined: \"joined\",\n joining: \"joining\"\n};\nvar CHANNEL_EVENTS = {\n close: \"phx_close\",\n error: \"phx_error\",\n join: \"phx_join\",\n reply: \"phx_reply\",\n leave: \"phx_leave\"\n};\nvar TRANSPORTS = {\n longpoll: \"longpoll\",\n websocket: \"websocket\"\n};\n\nvar Push = function () {\n\n // Initializes the Push\n //\n // channel - The Channel\n // event - The event, for example `\"phx_join\"`\n // payload - The payload, for example `{user_id: 123}`\n // timeout - The push timeout in milliseconds\n //\n\n function Push(channel, event, payload, timeout) {\n _classCallCheck(this, Push);\n\n this.channel = channel;\n this.event = event;\n this.payload = payload || {};\n this.receivedResp = null;\n this.timeout = timeout;\n this.timeoutTimer = null;\n this.recHooks = [];\n this.sent = false;\n }\n\n _createClass(Push, [{\n key: \"resend\",\n value: function resend(timeout) {\n this.timeout = timeout;\n this.cancelRefEvent();\n this.ref = null;\n this.refEvent = null;\n this.receivedResp = null;\n this.sent = false;\n this.send();\n }\n }, {\n key: \"send\",\n value: function send() {\n if (this.hasReceived(\"timeout\")) {\n return;\n }\n this.startTimeout();\n this.sent = true;\n this.channel.socket.push({\n topic: this.channel.topic,\n event: this.event,\n payload: this.payload,\n ref: this.ref\n });\n }\n }, {\n key: \"receive\",\n value: function receive(status, callback) {\n if (this.hasReceived(status)) {\n callback(this.receivedResp.response);\n }\n\n this.recHooks.push({ status: status, callback: callback });\n return this;\n }\n\n // private\n\n }, {\n key: \"matchReceive\",\n value: function matchReceive(_ref) {\n var status = _ref.status;\n var response = _ref.response;\n var ref = _ref.ref;\n\n this.recHooks.filter(function (h) {\n return h.status === status;\n }).forEach(function (h) {\n return h.callback(response);\n });\n }\n }, {\n key: \"cancelRefEvent\",\n value: function cancelRefEvent() {\n if (!this.refEvent) {\n return;\n }\n this.channel.off(this.refEvent);\n }\n }, {\n key: \"cancelTimeout\",\n value: function cancelTimeout() {\n clearTimeout(this.timeoutTimer);\n this.timeoutTimer = null;\n }\n }, {\n key: \"startTimeout\",\n value: function startTimeout() {\n var _this = this;\n\n if (this.timeoutTimer) {\n return;\n }\n this.ref = this.channel.socket.makeRef();\n this.refEvent = this.channel.replyEventName(this.ref);\n\n this.channel.on(this.refEvent, function (payload) {\n _this.cancelRefEvent();\n _this.cancelTimeout();\n _this.receivedResp = payload;\n _this.matchReceive(payload);\n });\n\n this.timeoutTimer = setTimeout(function () {\n _this.trigger(\"timeout\", {});\n }, this.timeout);\n }\n }, {\n key: \"hasReceived\",\n value: function hasReceived(status) {\n return this.receivedResp && this.receivedResp.status === status;\n }\n }, {\n key: \"trigger\",\n value: function trigger(status, response) {\n this.channel.trigger(this.refEvent, { status: status, response: response });\n }\n }]);\n\n return Push;\n}();\n\nvar Channel = exports.Channel = function () {\n function Channel(topic, params, socket) {\n var _this2 = this;\n\n _classCallCheck(this, Channel);\n\n this.state = CHANNEL_STATES.closed;\n this.topic = topic;\n this.params = params || {};\n this.socket = socket;\n this.bindings = [];\n this.timeout = this.socket.timeout;\n this.joinedOnce = false;\n this.joinPush = new Push(this, CHANNEL_EVENTS.join, this.params, this.timeout);\n this.pushBuffer = [];\n this.rejoinTimer = new Timer(function () {\n return _this2.rejoinUntilConnected();\n }, this.socket.reconnectAfterMs);\n this.joinPush.receive(\"ok\", function () {\n _this2.state = CHANNEL_STATES.joined;\n _this2.rejoinTimer.reset();\n _this2.pushBuffer.forEach(function (pushEvent) {\n return pushEvent.send();\n });\n _this2.pushBuffer = [];\n });\n this.onClose(function () {\n _this2.socket.log(\"channel\", \"close \" + _this2.topic);\n _this2.state = CHANNEL_STATES.closed;\n _this2.socket.remove(_this2);\n });\n this.onError(function (reason) {\n _this2.socket.log(\"channel\", \"error \" + _this2.topic, reason);\n _this2.state = CHANNEL_STATES.errored;\n _this2.rejoinTimer.scheduleTimeout();\n });\n this.joinPush.receive(\"timeout\", function () {\n if (_this2.state !== CHANNEL_STATES.joining) {\n return;\n }\n\n _this2.socket.log(\"channel\", \"timeout \" + _this2.topic, _this2.joinPush.timeout);\n _this2.state = CHANNEL_STATES.errored;\n _this2.rejoinTimer.scheduleTimeout();\n });\n this.on(CHANNEL_EVENTS.reply, function (payload, ref) {\n _this2.trigger(_this2.replyEventName(ref), payload);\n });\n }\n\n _createClass(Channel, [{\n key: \"rejoinUntilConnected\",\n value: function rejoinUntilConnected() {\n this.rejoinTimer.scheduleTimeout();\n if (this.socket.isConnected()) {\n this.rejoin();\n }\n }\n }, {\n key: \"join\",\n value: function join() {\n var timeout = arguments.length <= 0 || arguments[0] === undefined ? this.timeout : arguments[0];\n\n if (this.joinedOnce) {\n throw \"tried to join multiple times. 'join' can only be called a single time per channel instance\";\n } else {\n this.joinedOnce = true;\n }\n this.rejoin(timeout);\n return this.joinPush;\n }\n }, {\n key: \"onClose\",\n value: function onClose(callback) {\n this.on(CHANNEL_EVENTS.close, callback);\n }\n }, {\n key: \"onError\",\n value: function onError(callback) {\n this.on(CHANNEL_EVENTS.error, function (reason) {\n return callback(reason);\n });\n }\n }, {\n key: \"on\",\n value: function on(event, callback) {\n this.bindings.push({ event: event, callback: callback });\n }\n }, {\n key: \"off\",\n value: function off(event) {\n this.bindings = this.bindings.filter(function (bind) {\n return bind.event !== event;\n });\n }\n }, {\n key: \"canPush\",\n value: function canPush() {\n return this.socket.isConnected() && this.state === CHANNEL_STATES.joined;\n }\n }, {\n key: \"push\",\n value: function push(event, payload) {\n var timeout = arguments.length <= 2 || arguments[2] === undefined ? this.timeout : arguments[2];\n\n if (!this.joinedOnce) {\n throw \"tried to push '\" + event + \"' to '\" + this.topic + \"' before joining. Use channel.join() before pushing events\";\n }\n var pushEvent = new Push(this, event, payload, timeout);\n if (this.canPush()) {\n pushEvent.send();\n } else {\n pushEvent.startTimeout();\n this.pushBuffer.push(pushEvent);\n }\n\n return pushEvent;\n }\n\n // Leaves the channel\n //\n // Unsubscribes from server events, and\n // instructs channel to terminate on server\n //\n // Triggers onClose() hooks\n //\n // To receive leave acknowledgements, use the a `receive`\n // hook to bind to the server ack, ie:\n //\n // channel.leave().receive(\"ok\", () => alert(\"left!\") )\n //\n\n }, {\n key: \"leave\",\n value: function leave() {\n var _this3 = this;\n\n var timeout = arguments.length <= 0 || arguments[0] === undefined ? this.timeout : arguments[0];\n\n var onClose = function onClose() {\n _this3.socket.log(\"channel\", \"leave \" + _this3.topic);\n _this3.trigger(CHANNEL_EVENTS.close, \"leave\");\n };\n var leavePush = new Push(this, CHANNEL_EVENTS.leave, {}, timeout);\n leavePush.receive(\"ok\", function () {\n return onClose();\n }).receive(\"timeout\", function () {\n return onClose();\n });\n leavePush.send();\n if (!this.canPush()) {\n leavePush.trigger(\"ok\", {});\n }\n\n return leavePush;\n }\n\n // Overridable message hook\n //\n // Receives all events for specialized message handling\n\n }, {\n key: \"onMessage\",\n value: function onMessage(event, payload, ref) {}\n\n // private\n\n }, {\n key: \"isMember\",\n value: function isMember(topic) {\n return this.topic === topic;\n }\n }, {\n key: \"sendJoin\",\n value: function sendJoin(timeout) {\n this.state = CHANNEL_STATES.joining;\n this.joinPush.resend(timeout);\n }\n }, {\n key: \"rejoin\",\n value: function rejoin() {\n var timeout = arguments.length <= 0 || arguments[0] === undefined ? this.timeout : arguments[0];\n this.sendJoin(timeout);\n }\n }, {\n key: \"trigger\",\n value: function trigger(triggerEvent, payload, ref) {\n this.onMessage(triggerEvent, payload, ref);\n this.bindings.filter(function (bind) {\n return bind.event === triggerEvent;\n }).map(function (bind) {\n return bind.callback(payload, ref);\n });\n }\n }, {\n key: \"replyEventName\",\n value: function replyEventName(ref) {\n return \"chan_reply_\" + ref;\n }\n }]);\n\n return Channel;\n}();\n\nvar Socket = exports.Socket = function () {\n\n // Initializes the Socket\n //\n // endPoint - The string WebSocket endpoint, ie, \"ws://example.com/ws\",\n // \"wss://example.com\"\n // \"/ws\" (inherited host & protocol)\n // opts - Optional configuration\n // transport - The Websocket Transport, for example WebSocket or Phoenix.LongPoll.\n // Defaults to WebSocket with automatic LongPoll fallback.\n // timeout - The default timeout in milliseconds to trigger push timeouts.\n // Defaults `DEFAULT_TIMEOUT`\n // heartbeatIntervalMs - The millisec interval to send a heartbeat message\n // reconnectAfterMs - The optional function that returns the millsec\n // reconnect interval. Defaults to stepped backoff of:\n //\n // function(tries){\n // return [1000, 5000, 10000][tries - 1] || 10000\n // }\n //\n // logger - The optional function for specialized logging, ie:\n // `logger: (kind, msg, data) => { console.log(`${kind}: ${msg}`, data) }\n //\n // longpollerTimeout - The maximum timeout of a long poll AJAX request.\n // Defaults to 20s (double the server long poll timer).\n //\n // params - The optional params to pass when connecting\n //\n // For IE8 support use an ES5-shim (https://github.com/es-shims/es5-shim)\n //\n\n function Socket(endPoint) {\n var _this4 = this;\n\n var opts = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];\n\n _classCallCheck(this, Socket);\n\n this.stateChangeCallbacks = { open: [], close: [], error: [], message: [] };\n this.channels = [];\n this.sendBuffer = [];\n this.ref = 0;\n this.timeout = opts.timeout || DEFAULT_TIMEOUT;\n this.transport = opts.transport || window.WebSocket || LongPoll;\n this.heartbeatIntervalMs = opts.heartbeatIntervalMs || 30000;\n this.reconnectAfterMs = opts.reconnectAfterMs || function (tries) {\n return [1000, 2000, 5000, 10000][tries - 1] || 10000;\n };\n this.logger = opts.logger || function () {}; // noop\n this.longpollerTimeout = opts.longpollerTimeout || 20000;\n this.params = opts.params || {};\n this.endPoint = endPoint + \"/\" + TRANSPORTS.websocket;\n this.reconnectTimer = new Timer(function () {\n _this4.disconnect(function () {\n return _this4.connect();\n });\n }, this.reconnectAfterMs);\n }\n\n _createClass(Socket, [{\n key: \"protocol\",\n value: function protocol() {\n return location.protocol.match(/^https/) ? \"wss\" : \"ws\";\n }\n }, {\n key: \"endPointURL\",\n value: function endPointURL() {\n var uri = Ajax.appendParams(Ajax.appendParams(this.endPoint, this.params), { vsn: VSN });\n if (uri.charAt(0) !== \"/\") {\n return uri;\n }\n if (uri.charAt(1) === \"/\") {\n return this.protocol() + \":\" + uri;\n }\n\n return this.protocol() + \"://\" + location.host + uri;\n }\n }, {\n key: \"disconnect\",\n value: function disconnect(callback, code, reason) {\n if (this.conn) {\n this.conn.onclose = function () {}; // noop\n if (code) {\n this.conn.close(code, reason || \"\");\n } else {\n this.conn.close();\n }\n this.conn = null;\n }\n callback && callback();\n }\n\n // params - The params to send when connecting, for example `{user_id: userToken}`\n\n }, {\n key: \"connect\",\n value: function connect(params) {\n var _this5 = this;\n\n if (params) {\n console && console.log(\"passing params to connect is deprecated. Instead pass :params to the Socket constructor\");\n this.params = params;\n }\n if (this.conn) {\n return;\n }\n\n this.conn = new this.transport(this.endPointURL());\n this.conn.timeout = this.longpollerTimeout;\n this.conn.onopen = function () {\n return _this5.onConnOpen();\n };\n this.conn.onerror = function (error) {\n return _this5.onConnError(error);\n };\n this.conn.onmessage = function (event) {\n return _this5.onConnMessage(event);\n };\n this.conn.onclose = function (event) {\n return _this5.onConnClose(event);\n };\n }\n\n // Logs the message. Override `this.logger` for specialized logging. noops by default\n\n }, {\n key: \"log\",\n value: function log(kind, msg, data) {\n this.logger(kind, msg, data);\n }\n\n // Registers callbacks for connection state change events\n //\n // Examples\n //\n // socket.onError(function(error){ alert(\"An error occurred\") })\n //\n\n }, {\n key: \"onOpen\",\n value: function onOpen(callback) {\n this.stateChangeCallbacks.open.push(callback);\n }\n }, {\n key: \"onClose\",\n value: function onClose(callback) {\n this.stateChangeCallbacks.close.push(callback);\n }\n }, {\n key: \"onError\",\n value: function onError(callback) {\n this.stateChangeCallbacks.error.push(callback);\n }\n }, {\n key: \"onMessage\",\n value: function onMessage(callback) {\n this.stateChangeCallbacks.message.push(callback);\n }\n }, {\n key: \"onConnOpen\",\n value: function onConnOpen() {\n var _this6 = this;\n\n this.log(\"transport\", \"connected to \" + this.endPointURL(), this.transport.prototype);\n this.flushSendBuffer();\n this.reconnectTimer.reset();\n if (!this.conn.skipHeartbeat) {\n clearInterval(this.heartbeatTimer);\n this.heartbeatTimer = setInterval(function () {\n return _this6.sendHeartbeat();\n }, this.heartbeatIntervalMs);\n }\n this.stateChangeCallbacks.open.forEach(function (callback) {\n return callback();\n });\n }\n }, {\n key: \"onConnClose\",\n value: function onConnClose(event) {\n this.log(\"transport\", \"close\", event);\n this.triggerChanError();\n clearInterval(this.heartbeatTimer);\n this.reconnectTimer.scheduleTimeout();\n this.stateChangeCallbacks.close.forEach(function (callback) {\n return callback(event);\n });\n }\n }, {\n key: \"onConnError\",\n value: function onConnError(error) {\n this.log(\"transport\", error);\n this.triggerChanError();\n this.stateChangeCallbacks.error.forEach(function (callback) {\n return callback(error);\n });\n }\n }, {\n key: \"triggerChanError\",\n value: function triggerChanError() {\n this.channels.forEach(function (channel) {\n return channel.trigger(CHANNEL_EVENTS.error);\n });\n }\n }, {\n key: \"connectionState\",\n value: function connectionState() {\n switch (this.conn && this.conn.readyState) {\n case SOCKET_STATES.connecting:\n return \"connecting\";\n case SOCKET_STATES.open:\n return \"open\";\n case SOCKET_STATES.closing:\n return \"closing\";\n default:\n return \"closed\";\n }\n }\n }, {\n key: \"isConnected\",\n value: function isConnected() {\n return this.connectionState() === \"open\";\n }\n }, {\n key: \"remove\",\n value: function remove(channel) {\n this.channels = this.channels.filter(function (c) {\n return !c.isMember(channel.topic);\n });\n }\n }, {\n key: \"channel\",\n value: function channel(topic) {\n var chanParams = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];\n\n var chan = new Channel(topic, chanParams, this);\n this.channels.push(chan);\n return chan;\n }\n }, {\n key: \"push\",\n value: function push(data) {\n var _this7 = this;\n\n var topic = data.topic;\n var event = data.event;\n var payload = data.payload;\n var ref = data.ref;\n\n var callback = function callback() {\n return _this7.conn.send(JSON.stringify(data));\n };\n this.log(\"push\", topic + \" \" + event + \" (\" + ref + \")\", payload);\n if (this.isConnected()) {\n callback();\n } else {\n this.sendBuffer.push(callback);\n }\n }\n\n // Return the next message ref, accounting for overflows\n\n }, {\n key: \"makeRef\",\n value: function makeRef() {\n var newRef = this.ref + 1;\n if (newRef === this.ref) {\n this.ref = 0;\n } else {\n this.ref = newRef;\n }\n\n return this.ref.toString();\n }\n }, {\n key: \"sendHeartbeat\",\n value: function sendHeartbeat() {\n if (!this.isConnected()) {\n return;\n }\n this.push({ topic: \"phoenix\", event: \"heartbeat\", payload: {}, ref: this.makeRef() });\n }\n }, {\n key: \"flushSendBuffer\",\n value: function flushSendBuffer() {\n if (this.isConnected() && this.sendBuffer.length > 0) {\n this.sendBuffer.forEach(function (callback) {\n return callback();\n });\n this.sendBuffer = [];\n }\n }\n }, {\n key: \"onConnMessage\",\n value: function onConnMessage(rawMessage) {\n var msg = JSON.parse(rawMessage.data);\n var topic = msg.topic;\n var event = msg.event;\n var payload = msg.payload;\n var ref = msg.ref;\n\n this.log(\"receive\", (payload.status || \"\") + \" \" + topic + \" \" + event + \" \" + (ref && \"(\" + ref + \")\" || \"\"), payload);\n this.channels.filter(function (channel) {\n return channel.isMember(topic);\n }).forEach(function (channel) {\n return channel.trigger(event, payload, ref);\n });\n this.stateChangeCallbacks.message.forEach(function (callback) {\n return callback(msg);\n });\n }\n }]);\n\n return Socket;\n}();\n\nvar LongPoll = exports.LongPoll = function () {\n function LongPoll(endPoint) {\n _classCallCheck(this, LongPoll);\n\n this.endPoint = null;\n this.token = null;\n this.skipHeartbeat = true;\n this.onopen = function () {}; // noop\n this.onerror = function () {}; // noop\n this.onmessage = function () {}; // noop\n this.onclose = function () {}; // noop\n this.pollEndpoint = this.normalizeEndpoint(endPoint);\n this.readyState = SOCKET_STATES.connecting;\n\n this.poll();\n }\n\n _createClass(LongPoll, [{\n key: \"normalizeEndpoint\",\n value: function normalizeEndpoint(endPoint) {\n return endPoint.replace(\"ws://\", \"http://\").replace(\"wss://\", \"https://\").replace(new RegExp(\"(.*)\\/\" + TRANSPORTS.websocket), \"$1/\" + TRANSPORTS.longpoll);\n }\n }, {\n key: \"endpointURL\",\n value: function endpointURL() {\n return Ajax.appendParams(this.pollEndpoint, { token: this.token });\n }\n }, {\n key: \"closeAndRetry\",\n value: function closeAndRetry() {\n this.close();\n this.readyState = SOCKET_STATES.connecting;\n }\n }, {\n key: \"ontimeout\",\n value: function ontimeout() {\n this.onerror(\"timeout\");\n this.closeAndRetry();\n }\n }, {\n key: \"poll\",\n value: function poll() {\n var _this8 = this;\n\n if (!(this.readyState === SOCKET_STATES.open || this.readyState === SOCKET_STATES.connecting)) {\n return;\n }\n\n Ajax.request(\"GET\", this.endpointURL(), \"application/json\", null, this.timeout, this.ontimeout.bind(this), function (resp) {\n if (resp) {\n var status = resp.status;\n var token = resp.token;\n var messages = resp.messages;\n\n _this8.token = token;\n } else {\n var status = 0;\n }\n\n switch (status) {\n case 200:\n messages.forEach(function (msg) {\n return _this8.onmessage({ data: JSON.stringify(msg) });\n });\n _this8.poll();\n break;\n case 204:\n _this8.poll();\n break;\n case 410:\n _this8.readyState = SOCKET_STATES.open;\n _this8.onopen();\n _this8.poll();\n break;\n case 0:\n case 500:\n _this8.onerror();\n _this8.closeAndRetry();\n break;\n default:\n throw \"unhandled poll status \" + status;\n }\n });\n }\n }, {\n key: \"send\",\n value: function send(body) {\n var _this9 = this;\n\n Ajax.request(\"POST\", this.endpointURL(), \"application/json\", body, this.timeout, this.onerror.bind(this, \"timeout\"), function (resp) {\n if (!resp || resp.status !== 200) {\n _this9.onerror(status);\n _this9.closeAndRetry();\n }\n });\n }\n }, {\n key: \"close\",\n value: function close(code, reason) {\n this.readyState = SOCKET_STATES.closed;\n this.onclose();\n }\n }]);\n\n return LongPoll;\n}();\n\nvar Ajax = exports.Ajax = function () {\n function Ajax() {\n _classCallCheck(this, Ajax);\n }\n\n _createClass(Ajax, null, [{\n key: \"request\",\n value: function request(method, endPoint, accept, body, timeout, ontimeout, callback) {\n if (window.XDomainRequest) {\n var req = new XDomainRequest(); // IE8, IE9\n this.xdomainRequest(req, method, endPoint, body, timeout, ontimeout, callback);\n } else {\n var req = window.XMLHttpRequest ? new XMLHttpRequest() : // IE7+, Firefox, Chrome, Opera, Safari\n new ActiveXObject(\"Microsoft.XMLHTTP\"); // IE6, IE5\n this.xhrRequest(req, method, endPoint, accept, body, timeout, ontimeout, callback);\n }\n }\n }, {\n key: \"xdomainRequest\",\n value: function xdomainRequest(req, method, endPoint, body, timeout, ontimeout, callback) {\n var _this10 = this;\n\n req.timeout = timeout;\n req.open(method, endPoint);\n req.onload = function () {\n var response = _this10.parseJSON(req.responseText);\n callback && callback(response);\n };\n if (ontimeout) {\n req.ontimeout = ontimeout;\n }\n\n // Work around bug in IE9 that requires an attached onprogress handler\n req.onprogress = function () {};\n\n req.send(body);\n }\n }, {\n key: \"xhrRequest\",\n value: function xhrRequest(req, method, endPoint, accept, body, timeout, ontimeout, callback) {\n var _this11 = this;\n\n req.timeout = timeout;\n req.open(method, endPoint, true);\n req.setRequestHeader(\"Content-Type\", accept);\n req.onerror = function () {\n callback && callback(null);\n };\n req.onreadystatechange = function () {\n if (req.readyState === _this11.states.complete && callback) {\n var response = _this11.parseJSON(req.responseText);\n callback(response);\n }\n };\n if (ontimeout) {\n req.ontimeout = ontimeout;\n }\n\n req.send(body);\n }\n }, {\n key: \"parseJSON\",\n value: function parseJSON(resp) {\n return resp && resp !== \"\" ? JSON.parse(resp) : null;\n }\n }, {\n key: \"serialize\",\n value: function serialize(obj, parentKey) {\n var queryStr = [];\n for (var key in obj) {\n if (!obj.hasOwnProperty(key)) {\n continue;\n }\n var paramKey = parentKey ? parentKey + \"[\" + key + \"]\" : key;\n var paramVal = obj[key];\n if ((typeof paramVal === \"undefined\" ? \"undefined\" : _typeof(paramVal)) === \"object\") {\n queryStr.push(this.serialize(paramVal, paramKey));\n } else {\n queryStr.push(encodeURIComponent(paramKey) + \"=\" + encodeURIComponent(paramVal));\n }\n }\n return queryStr.join(\"&\");\n }\n }, {\n key: \"appendParams\",\n value: function appendParams(url, params) {\n if (Object.keys(params).length === 0) {\n return url;\n }\n\n var prefix = url.match(/\\?/) ? \"&\" : \"?\";\n return \"\" + url + prefix + this.serialize(params);\n }\n }]);\n\n return Ajax;\n}();\n\nAjax.states = { complete: 4 };\n\n// Creates a timer that accepts a `timerCalc` function to perform\n// calculated timeout retries, such as exponential backoff.\n//\n// ## Examples\n//\n// let reconnectTimer = new Timer(() => this.connect(), function(tries){\n// return [1000, 5000, 10000][tries - 1] || 10000\n// })\n// reconnectTimer.scheduleTimeout() // fires after 1000\n// reconnectTimer.scheduleTimeout() // fires after 5000\n// reconnectTimer.reset()\n// reconnectTimer.scheduleTimeout() // fires after 1000\n//\n\nvar Timer = function () {\n function Timer(callback, timerCalc) {\n _classCallCheck(this, Timer);\n\n this.callback = callback;\n this.timerCalc = timerCalc;\n this.timer = null;\n this.tries = 0;\n }\n\n _createClass(Timer, [{\n key: \"reset\",\n value: function reset() {\n this.tries = 0;\n clearTimeout(this.timer);\n }\n\n // Cancels any previous scheduleTimeout and schedules callback\n\n }, {\n key: \"scheduleTimeout\",\n value: function scheduleTimeout() {\n var _this12 = this;\n\n clearTimeout(this.timer);\n\n this.timer = setTimeout(function () {\n _this12.tries = _this12.tries + 1;\n 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