add config

.eslintrc.json

@@ -171,5 +171,6 @@
       ],
       "indent": "off",
       "@typescript-eslint/indent": ["error", 2],
+      "import/no-unresolved": [2, { "ignore": ["^@.+$"] }]
    }
 }

.vscode/settings.json

@@ -11,7 +11,7 @@
       "editor.formatOnSave": false
     },
     "[markdown]": {
-      "editor.formatOnSave": false
+      "editor.formatOnSave": true
     },
     "search.exclude": {
       "**/node_modules": true,

package.json

@@ -6,10 +6,11 @@
   "type": "module",
   "scripts": {
     "start": "node --no-warnings --loader ./src/myloader.mjs --experimental-modules --es-module-specifier-resolution=node ./dist/server.js",
-    "dev": "node --no-warnings --loader ./src/myloader.mjs --experimental-modules --es-module-specifier-resolution=node ./src/server.ts",
+    "dev": "node --no-warnings --loader ./src/myloader.mjs --experimental-modules --es-module-specifier-resolution=node ./src/server.ts start --port 1234",
     "build": "tsc -p tsconfig.json",
     "test": "echo \"Error: no test specified\" && exit 1",
-    "lint": "eslint --fix --ext ts src/"
+    "lint": "eslint --fix --ext ts src/",
+    "upgrade": "yarn upgrade --latest"
   },
   "repository": {
     "type": "git",
@@ -24,6 +25,8 @@
   "license": "MIT",
   "dependencies": {
     "@gquittet/graceful-server": "^2.5.2",
+    "args-command-parser": "^1.2.4",
+    "eslint-import-resolver-alias": "^1.1.2",
     "fastify": "^3.25.3",
     "fastify-sensible": "^3.1.2",
     "winston": "^3.4.0"
@@ -34,6 +37,7 @@
     "@types/triple-beam": "^1.3.2",
     "@typescript-eslint/eslint-plugin": "^5.10.0",
     "@typescript-eslint/parser": "^5.10.0",
+    "builder-pattern": "^1.3.0",
     "eslint": "^8.7.0",
     "eslint-plugin-import": "^2.25.4",
     "eslint-plugin-promise": "^6.0.0",

src/abc/xyz.ts

@@ -1,5 +0,0 @@
-class InfrastructureAutoLoadable {
-  public load (): void {console.log("TEST");}
-}
-
-export default new InfrastructureAutoLoadable();

src/framework/configuration/ConfigurationDefinition.ts

@@ -0,0 +1,91 @@
+export enum DefinitionType {
+  String = "string",
+  Boolean = "boolean",
+  File = "file",
+  Number = "number"
+}
+
+class ConfigurationDefinition implements ConfigurationDefinition {
+  private name!: string;
+  private envName!: string;
+  private argName!: string[];
+  private validator!: string;
+  private description!: string;
+  private type!: DefinitionType;
+  private multiple = false;
+  private required = false;
+
+  public getName (): string {
+    return this.name;
+  }
+
+  public getEnvName (): string {
+    return this.envName;
+  }
+
+  public getArgName (): string[] {
+    return this.argName;
+  }
+
+  public getValidator (): string {
+    return this.validator;
+  }
+
+  public getDescription (): string {
+    return this.description;
+  }
+
+  public getType (): DefinitionType {
+    return this.type;
+  }
+
+  public getRequired (): boolean {
+    return this.required;
+  }
+
+  public getMultiple (): boolean {
+    return this.multiple;
+  }
+
+  public withName (name: string): ConfigurationDefinition {
+    this.name = name;
+    return this;
+  }
+
+  public withEnvName (envName: string): ConfigurationDefinition {
+    this.envName = envName;
+    return this;
+  }
+
+  public withArgName (...argName: string[]): ConfigurationDefinition {
+    this.argName = argName;
+    return this;
+  }
+
+  public withValidator (validator: string): ConfigurationDefinition {
+    this.validator = validator;
+    return this;
+  }
+  
+  public withDescription (description: string): ConfigurationDefinition {
+    this.description = description;
+    return this;
+  }
+
+  public withType (type: DefinitionType): ConfigurationDefinition {
+    this.type = type;
+    return this;
+  }
+
+  public isRequired (): ConfigurationDefinition {
+    this.required = true;
+    return this;
+  }
+
+  public isMultiple (): ConfigurationDefinition {
+    this.multiple = true;
+    return this;
+  }
+}
+
+export default ConfigurationDefinition;

src/framework/configuration/configuration.ts

@@ -0,0 +1,149 @@
+import ConfigurationDefinition, {DefinitionType} from "./ConfigurationDefinition";
+import {parser, ArgCollection} from "args-command-parser";
+
+const portDefinition = new ConfigurationDefinition()
+  .withName("port")
+  .withType(DefinitionType.Number)
+  .withArgName("port")
+  .withEnvName("port")
+  .withDescription("Port of the server.")
+  .isRequired()
+  .withValidator("");
+
+class Configuration {
+
+  private readonly definitions: Map<string, ConfigurationDefinition> = new Map();
+  private readonly values: Map<string, string[] | undefined> = new Map();
+  private readonly defaultCommand: string;
+  private readonly envPrefix: string;
+  private readonly arguments: ArgCollection;
+  public constructor (defaultCommand: string, envPrefix: string, ...definitions: ConfigurationDefinition[]) {
+    this.arguments = parser();
+    for (const definition of definitions) {
+      this.definitions.set(definition.getName(), definition);
+      this.values.set(definition.getName(), this.getInternalValue(definition));
+    }
+    this.defaultCommand = defaultCommand;
+    this.envPrefix = envPrefix;
+  }
+
+  public getCommand (): string {
+    return this.arguments.data.commands.join(" ");
+  }
+
+  public getValue (name: string): string | string[] | boolean | boolean[] | number | number[] | undefined {
+    const def = this.definitions.get(name);
+    const value = this.values.get(name) ?? [];
+    switch ( def?.getType() ) {
+      case DefinitionType.Boolean: {
+        const result = this.toBoolean(value);
+        if(def.getMultiple()) {
+          return result;
+        }
+        return result[0];
+        break;
+      }
+      case DefinitionType.Number: {
+        const result: number[] = this.toInteger(value);
+        if(def.getMultiple()) {
+          return result;
+        }
+        return result[0];
+        break;
+      }
+      case DefinitionType.String: {
+        if(def.getMultiple()) {
+          return value;
+        }
+        return value[0];
+        break;
+      }
+    }
+  }
+
+  public getBooleanValue (name: string): boolean | boolean[] | undefined {
+    const def = this.definitions.get(name);
+    if(def?.getType() == DefinitionType.Boolean) {
+      const value = this.values.get(name) ?? [];
+      const result: boolean[] = this.toBoolean(value);
+      if(def.getMultiple()) {
+        return result;
+      }
+      return result[0];
+    }
+    return undefined;
+  }
+
+  public getNumberValue (name: string): number | number[] | undefined {
+    const def = this.definitions.get(name);
+    if(def?.getType() == DefinitionType.Number) {
+      const value = this.values.get(name) ?? [];
+      const result: number[] = this.toInteger(value);
+      if(def.getMultiple()) {
+        return result;
+      }
+      return result[0];
+    }
+    return undefined;
+  }
+
+  public getStringValue (name: string): string | string[] | undefined {
+    const def = this.definitions.get(name);
+    if(def?.getType() == DefinitionType.String) {
+      const value = this.values.get(name) ?? [];
+      if(def.getMultiple()) {
+        return value;
+      }
+      return value[0];
+    }
+    return undefined;
+  }
+
+  private toBoolean (value: string[]): boolean[] {
+    const result: boolean[] = [];
+    for (const v of value) {
+      result.push(v === "true" || v === "1" || v === "y");
+    }
+    return result;
+  }
+  
+  private toInteger (value: string[]): number[] {
+    const result: number[] = [];
+    for (const v of value) {
+      const f = parseFloat(v); const i = parseInt(v);
+      result.push((f == i) ? i : f);
+    }
+    return result;
+  }
+
+  private getInternalValue (def: ConfigurationDefinition): string[] | undefined {
+    let value = this.getArgValue(def);
+    value = (value === undefined)?this.getEnvValue(def):value;
+    if(value !== undefined) {
+      return value;
+    }
+    return undefined;
+  }
+
+  private getEnvValue (def: ConfigurationDefinition): string[] | undefined {
+    const value = process.env[this.envPrefix + "_" + def.getEnvName().toUpperCase()];
+    if(value !== undefined)
+      return [value];
+    else
+      return undefined;
+  }
+
+  private getArgValue (def: ConfigurationDefinition): string[] | undefined{
+    for (const arg of def.getArgName()) {
+      if(arg.length >= 2 && this.arguments.hasLongSwitch(arg)) {
+        return this.arguments.getLongSwitch(arg).values;
+      } else if (this.arguments.hasShortSwitch(arg)) {
+        return this.arguments.getShortSwitch(arg).values;
+      }
+    }
+    return undefined;
+  }
+
+}
+
+export default new Configuration("startServer", "ant", portDefinition);

src/server.ts

@@ -1,63 +1,46 @@
 import Fastify from "fastify";
 import fastifySensible from "fastify-sensible";
 import GracefulServer from "@gquittet/graceful-server";
-import getlogger, {defaultLogger} from "@logger";
+import getlogger from "@logger";
+import configuration from "@configuration";
+
+const serverLogger = getlogger("server");
+console.log(configuration.getCommand());
+serverLogger.warn("sss");
 
 const fastify = Fastify({
   logger: true
 });
-fastify.register(fastifySensible);
+await fastify.register(fastifySensible);
 
 const gracefulServer = GracefulServer(fastify.server);
 
 gracefulServer.on(GracefulServer.READY, () => {
-  console.log("Server is ready");
+  serverLogger.info("Server is ready");
 });
 
 gracefulServer.on(GracefulServer.SHUTTING_DOWN, () => {
-  console.log("Server is shutting down");
+  serverLogger.info("Server is shutting down");
 });
 
-gracefulServer.on(GracefulServer.SHUTDOWN, error => {
+gracefulServer.on(GracefulServer.SHUTDOWN, (error: { message: string; }) => {
-  console.log("Server is down because of", error.message);
+  serverLogger.info("Server is down because of", error.message);
   process.exit();
 });
 
 // Declare a route
-fastify.get("/", function (request, reply) {
+fastify.get("/", async function (request, reply) {
-  reply.send({ hello: "world" });
+  await reply.send({ hello: "world" });
 });
 
 // Run the server!
-const start = async () => {
+const start = async (): Promise<void> => {
   try {
-    await fastify.listen(3000);
+    await fastify.listen(<number>configuration.getNumberValue("port"));
     gracefulServer.setReady();
   } catch (err) {
-    fastify.log.error(err);
+    serverLogger.error(err);
     process.exit(1);
   }
 };
-start();
+await start();
-
-const c = function (): void {
-  const v = function (): void {
-    throw new Error("Oh no!");
-  };
-  return v();
-};
-
-const abc = getlogger("abc");
-abc.info("Ich bin ein Test!");
-abc.warn("Ich bin ein Test!");
-try {
-  c();
-}
-catch (e) {
-  abc.warn(e);
-}
-const xyz = getlogger("xyz");
-xyz.error("Ich bin ein Test!");
-xyz.error("Ich bin ein '%s' Test!", "test");
-
-defaultLogger.error("Ich bin ein Test!");

tsconfig.json

@@ -10,7 +10,8 @@
     "baseUrl": "./src/",
     "paths": {
       "@abc/*": ["abc/*"],
-      "@logger": ["framework/logger/logger"]
+      "@logger": ["framework/logger/logger"],
+      "@configuration": ["framework/configuration/configuration"]
     }
   },
   "include": ["src/**/*.ts"],