example chat application which uses zenoh-ts (#72)

* run zenohd with cargo-bin-run

* example config updated

* search for plugin in /usr/lib added

* docs: Update README with improved instructions for building and running zenohd with remote API plugin

* readme updated, command line examples moved to deno subdirectory

* update readme formatting

* readme grammar fixes

* long lines cut in readme

* unifinisehd

* unfinished

* chat example build with importmap

* unused packages removed, readme added

* readme corrected

* add username input and integrate CryptoJS for user identification in chat example

* add disconnect button and implement username validation in chat example

* fix build error when importing channel from bundled source

* feat: enhance chat functionality with user management and liveliness subscription

* refactor: simplify ChatSession constructor and improve user management

* style: enable flex-wrap in server panel for better layout

* feat: invoke usersCallback with an empty array on ChatSession reset

* feat: enhance ChatSession with message publishing and subscription capabilities, unfinished

* feat: add message handling capabilities to ChatSession with send and receive functionality

* feat: log received messages in ChatSession subscriber for better debugging

* feat: deserialize incoming messages in ChatSession subscriber and update log display

* feat: update message handling in ChatSession to include user information in callbacks

* feat: implement message tracking in ChatSession with timestamp, username, and message content

* logging updated, keyexpr changed

* fix: correct keyexpr parsing in ChatUser and enhance message retrieval logging in ChatSession

* update message log on start

* feat: add message sending on Enter key press in chat input

* feat: add connection and disconnection callbacks in ChatSession

* refactor: update log messages for clarity and consistency in ChatSession

* split ChetSession to separate file

* feat: enhance chat UI with scrollable panels and auto-scroll functionality

* feat: improve chat UI with rounded corners and consistent spacing

* feat: enhance chat UI by removing default margin, preventing overflow, and ensuring consistent box-sizing

* feat: enhance chat UI by adding padding, adjusting margins, and improving layout consistency

* feat: enhance server panel layout with improved input handling and button integration

* feat: enable and disable message input and send button based on connection status

* feat: improve message display in chat by separating username and message text

* feat: refactor message handling in chat to improve readability and maintainability

* feat: adjust input button layout in server panel for improved usability

* readme updated

* readme updated

* readme update

* readme update

* readme update

* grammar fix

.gitignore

@@ -15,4 +15,4 @@ zenoh-plugin-remote-api/target/**
 zenoh-plugin-remote-api/bindings/** 
 **/target/** 
 **/node_modules/** 
-**/dist/** 
+**/dist/**

Cargo.toml

@@ -29,6 +29,7 @@ ts-rs = { version = "9.0", features = [
     "uuid-impl",
     "serde-json-impl",
     "no-serde-warnings",
+    "import-esm",
 ] }
 tracing = "0.1"
 schemars = { version = "0.8.12", features = ["either"] }

README.md

@@ -116,11 +116,11 @@ The file `EXAMPLE_CONFIG.json5` references the `zenoh-plugin-remote-api\EXAMPLE_
 
 - [NPM](https://www.npmjs.com/package/npm)
 - [yarn](https://classic.yarnpkg.com/lang/en/docs/install/#debian-stable)
-- [Typescript](https://www.typescriptlang.org/download/) 
+- [Typescript](https://www.typescriptlang.org/download/)
 
 2. Navigate to the directory `zenoh-ts`
 
-3. Run the commands:
+1. Run the commands:
 
    ```sh
    yarn install 
@@ -166,3 +166,5 @@ The latest version of zenoh-ts library can be installed from npm:
 ```sh
 npm install @eclipse-zenoh/zenoh-ts
 ```
+
+See also example application in the [zenoh-ts/examples/chat](zenoh-ts/examples/chat/README.md)

package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "copy-webpack-plugin": "^12.0.2"
+  }
+}

yarn.lock

@@ -0,0 +1,261 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
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+  integrity sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==
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+    run-parallel "^1.1.9"
+
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+  resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz#5bd262af94e9d25bd1e71b05deed44876a222e8b"
+  integrity sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A==
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+    fastq "^1.6.0"
+
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+  resolved "https://registry.yarnpkg.com/@sindresorhus/merge-streams/-/merge-streams-2.3.0.tgz#719df7fb41766bc143369eaa0dd56d8dc87c9958"
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+
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+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-8.17.1.tgz#37d9a5c776af6bc92d7f4f9510eba4c0a60d11a6"
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+unicorn-magic@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/unicorn-magic/-/unicorn-magic-0.1.0.tgz#1bb9a51c823aaf9d73a8bfcd3d1a23dde94b0ce4"
+  integrity sha512-lRfVq8fE8gz6QMBuDM6a+LO3IAzTi05H6gCVaUpir2E1Rwpo4ZUog45KpNXKC/Mn3Yb9UDuHumeFTo9iV/D9FQ==

zenoh-ts/examples/chat/README.md

@@ -0,0 +1,27 @@
+# Zenoh-ts Chat Example
+
+This example demonstrates usage of zenoh-ts library in real web application.
+
+To start the example follow these steps:
+
+1. Build the zenoh-ts library (see root [README](../../README.md))
+
+2. Start zenohd with websocket plugin (see root [README](../../README.md))
+
+3. Build and run chat example. Browser window should automatically open
+
+   ```sh
+   yarn install
+   yarm build
+   yarn start
+   ```
+
+4. Open second browser window on the same address, connect to server and test the chat
+
+The example uses "importmap" approach to run the project. This means that the javascript code
+is loaded by browser directly, without additional bundling. This is done purposely to
+verify that the zenoh-ts library is ready to be used in browser without additional tooling.
+
+Note though that not all dependent libraries follows this rule. Some of them (e.g. `channel-ts`)
+can be used directly in browser only after proper repacking. So when using importmap approach
+the dependent libraries are loaded from the [jspm.io](https://jspm.org/cdn/jspm-io)