Setup React front end

.gitignore

@@ -1,6 +1,9 @@
-target/
 .dfx/
-Cargo.lock
-**/*.rs.bk
-node_modules/
+target/
 dist/
+node_modules/
+
+**/*.rs.bk
+
+Cargo.lock
+package-lock.json

dfx.json

@@ -17,7 +17,7 @@
         "user_mgmt"
       ],
       "frontend": {
-        "entrypoint": "src/open_chat_assets/public/index.js"
+        "entrypoint": "src/open_chat_assets/public/index.tsx"
       },
       "source": [
         "dist/open_chat_assets/"

package.json

@@ -6,9 +6,16 @@
   "scripts": {
     "build": "webpack"
   },
-  "devDependencies": {
+  "dependencies": {
     "@dfinity/agent": "0.6.14",
+    "@types/react": "17.0.0",
+    "@types/react-dom": "17.0.0",
+    "css-loader": "5.0.1",
+    "react": "17.0.1",
+    "react-dom": "17.0.1",
     "terser-webpack-plugin": "2.2.2",
+    "ts-loader": "8.0.12",
+    "typescript": "4.1.3",
     "webpack": "4.41.3",
     "webpack-cli": "3.3.10"
   }

src/open_chat_assets/public/App.tsx

@@ -0,0 +1,16 @@
+import React, { Component } from "react";
+
+class App extends Component {
+  render() {
+    return (
+      <div>
+        <div>
+          Hello!
+        </div>
+      </div>
+    );
+  }
+}
+
+export default App;
+

src/open_chat_assets/public/index.css

@@ -0,0 +1,5 @@
+body {
+    margin: 0;
+    padding: 0;
+    font-family: sans-serif;
+}

src/open_chat_assets/public/index.tsx

@@ -0,0 +1,6 @@
+import React from "react";
+import ReactDOM from "react-dom";
+import "./index.css";
+import App from "./App";
+
+ReactDOM.render(<App />, document.getElementById("app"));

tsconfig.json

@@ -0,0 +1,73 @@
+{
+  "compilerOptions": {
+    /* Basic Options */
+    // "incremental": true,                   /* Enable incremental compilation */
+    "target": "es2015",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
+    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+    // "lib": [],                             /* Specify library files to be included in the compilation. */
+     "allowJs": true,                       /* Allow javascript files to be compiled. */
+    // "checkJs": true,                       /* Report errors in .js files. */
+     "jsx": "react",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    // "outDir": "./",                        /* Redirect output structure to the directory. */
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
+    // "removeComments": true,                /* Do not emit comments to output. */
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": true,                           /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+     "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+     "paths": {
+       "ic:canisters/*": [
+         "canisters/*/main.js"
+       ],
+       "idl:canisters/*": [
+         "canisters/*/main.did.js"
+       ]
+     },                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                       /* List of folders to include type definitions from. */
+    // "types": [],                           /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,          /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
+  }
+}

webpack.config.js

@@ -46,24 +46,21 @@ function generateWebpackConfigForCanister(name, info) {
     },
     resolve: {
       alias: aliases,
+      extensions: ['.tsx', '.ts', '.js']
     },
     output: {
       filename: "[name].js",
       path: path.join(__dirname, "dist", name),
     },
+    module: {
+     rules: [
+       { test: /\.([jt]s)x?$/, loader: "ts-loader", exclude: /node_modules/ },
+       { test: /\.css$/, loader: "css-loader", exclude: /node_modules/ },
+     ]
+    },
+    plugins: [
 
-    // Depending in the language or framework you are using for
-    // front-end development, add module loaders to the default
-    // webpack configuration. For example, if you are using React
-    // modules and CSS as described in the "Adding a stylesheet"
-    // tutorial, uncomment the following lines:
-    // module: {
-    //  rules: [
-    //    { test: /\.(js|ts)x?$/, loader: "ts-loader" },
-    //    { test: /\.css$/, use: ['style-loader','css-loader'] }
-    //  ]
-    // },
-    plugins: [],
+    ],
   };
 }