feat: add typescript

.gitignore

@@ -9,6 +9,9 @@
 # production
 /build
 
+#webpack
+/dist
+
 # misc
 .DS_Store
 .env

package.json

@@ -5,8 +5,9 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "node server.js",
-    "dev": "nodemon server.js"
+    "build": "webpack --config webpack.development.js",
+    "start": "node dist/server",
+    "dev": "nodemon dist/server"
   },
   "repository": {
     "type": "git",
@@ -30,9 +31,17 @@
     "winston": "^3.2.1"
   },
   "devDependencies": {
+    "@types/webpack-env": "^1.14.1",
+    "clean-webpack-plugin": "^3.0.0",
     "husky": "^3.0.9",
     "prettier": "^1.18.2",
-    "pretty-quick": "^2.0.0"
+    "pretty-quick": "^2.0.0",
+    "ts-loader": "^6.2.1",
+    "typescript": "^3.6.4",
+    "webpack": "^4.41.2",
+    "webpack-cli": "^3.3.10",
+    "webpack-merge": "^4.2.2",
+    "webpack-node-externals": "^1.7.2"
   },
   "husky": {
     "hooks": {

src/helpers/helpers.ts

@@ -1,4 +1,4 @@
-exports.getIp = req => {
+exports.getIp = (req: any) => {
   if (!req || !req.headers) {
     return "";
   }

src/helpers/logger.ts

@@ -6,30 +6,32 @@ const combinedFormat =
   process.env.NODE_ENV === "development"
     ? format.combine(
         format.label({
-          label: path.basename(process.mainModule.filename)
+          label: path.basename(
+            process && process.mainModule ? process.mainModule.filename : ""
+          )
         }),
         format.colorize(),
         format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }),
         format.printf(
-          info =>
+          (info: any) =>
             `${info.timestamp} ${info.level} [${info.label}]: ${info.message}`
         )
       )
     : format.combine(
         format.label({
-          label: path.basename(process.mainModule.filename)
+          label: path.basename(
+            process && process.mainModule ? process.mainModule.filename : ""
+          )
         }),
         format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }),
         format.printf(
-          info =>
+          (info: any) =>
             `${info.timestamp} ${info.level} [${info.label}]: ${info.message}`
         )
       );
 
-const logger = createLogger({
+exports.logger = createLogger({
   level: process.env.LOG_LEVEL || "silly",
   format: combinedFormat,
   transports: [new transports.Console()]
 });
-
-module.exports = logger;

src/main.ts

@@ -4,7 +4,7 @@ var { GraphQLObjectType } = require("graphql");
 var { GraphQLString } = require("graphql");
 
 const depthLimit = require("graphql-depth-limit");
-const logger = require("./helpers/logger");
+const { logger } = require("./helpers/logger");
 const { getIp } = require("./helpers/helpers");
 const lnService = require("ln-service");
 require("dotenv").config();
@@ -22,7 +22,7 @@ const GraphqlSchema = new GraphQLSchema({
       warning: {
         type: GraphQLString,
         resolve: () => {
-          return "You have a warning.";
+          return "You have a warning.1312323";
         }
       },
       error: {
@@ -41,14 +41,14 @@ const { lnd } = lnService.authenticatedLndGrpc({
 });
 logger.info("Connection established with gRPC");
 
-lnService.getWalletInfo({ lnd }, (error, result) => {
+lnService.getWalletInfo({ lnd }, (error: any, result: any) => {
   logger.info(`Connected to node: ${result.alias}`);
   if (error) logger.error(`Error connecting to node: ${error}`);
 });
 
 const server = new ApolloServer({
   schema: GraphqlSchema,
-  context: async ({ req }) => {
+  context: async ({ req }: any) => {
     const ip = getIp(req);
     return { ip, lnd };
   },
@@ -57,6 +57,11 @@ const server = new ApolloServer({
   ]
 });
 
-server.listen({ port: process.env.PORT || 3001 }).then(({ url }) => {
+server.listen({ port: process.env.PORT || 3001 }).then(({ url }: any) => {
   logger.info(`Server ready at ${url}`);
 });
+
+if (module.hot) {
+  module.hot.accept();
+  module.hot.dispose(() => server.stop());
+}

tsconfig.json

@@ -0,0 +1,66 @@
+{
+  "compilerOptions": {
+    /* Basic Options */
+    // "incremental": true,                   /* Enable incremental compilation */
+    "target": "es5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    "lib": [
+      "dom",
+      "es6"
+    ] /* 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": "preserve",                     /* 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": "dist" /* Redirect output structure to the directory. */,
+    "rootDir": "src" /* 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": {},                           /* 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. */
+  }
+}

webpack.common.js

@@ -0,0 +1,21 @@
+const path = require("path");
+
+module.exports = {
+  module: {
+    rules: [
+      {
+        exclude: [path.resolve(__dirname, "node_modules")],
+        test: /\.ts$/,
+        use: "ts-loader"
+      }
+    ]
+  },
+  output: {
+    filename: "server.js",
+    path: path.resolve(__dirname, "dist")
+  },
+  resolve: {
+    extensions: [".ts", ".js"]
+  },
+  target: "node"
+};

webpack.development.js

@@ -0,0 +1,20 @@
+const { CleanWebpackPlugin } = require("clean-webpack-plugin");
+const merge = require("webpack-merge");
+const nodeExternals = require("webpack-node-externals");
+const path = require("path");
+const webpack = require("webpack");
+
+const common = require("./webpack.common.js");
+
+module.exports = merge.smart(common, {
+  devtool: "inline-source-map",
+  entry: ["webpack/hot/poll?1000", path.join(__dirname, "src/main.ts")],
+  externals: [
+    nodeExternals({
+      whitelist: ["webpack/hot/poll?1000"]
+    })
+  ],
+  mode: "development",
+  plugins: [new CleanWebpackPlugin(), new webpack.HotModuleReplacementPlugin()],
+  watch: true
+});

webpack.production.js

@@ -0,0 +1,14 @@
+const CleanWebpackPlugin = require("clean-webpack-plugin");
+const merge = require("webpack-merge");
+const nodeExternals = require("webpack-node-externals");
+const path = require("path");
+
+const common = require("./webpack.common.js");
+
+module.exports = merge(common, {
+  devtool: "source-map",
+  entry: [path.join(__dirname, "src/main.ts")],
+  externals: [nodeExternals({})],
+  mode: "production",
+  plugins: [new CleanWebpackPlugin()]
+});