Fix lint.

components/log-viewer-webui/server/src/main.ts

@@ -1,4 +1,8 @@
-import dotenv from "dotenv";
+import {config as dotenvConfig} from "dotenv";
+import {
+    FastifyLoggerOptions,
+    PinoLoggerOptions,
+} from "fastify/types/logger.js";
 import process from "node:process";
 
 import app from "./app.js";
@@ -8,7 +12,11 @@ type NodeEnv = "development" | "production" | "test";
 
 const NODE_ENV_DEFAULT: NodeEnv = "development";
 
-const ENV_TO_LOGGER: Record<NodeEnv, any> = Object.freeze({
+/**
+ * Maps known Node.js environments to Fastify logger configuration options.
+ */
+const ENV_TO_LOGGER
+: Record<NodeEnv, boolean | FastifyLoggerOptions & PinoLoggerOptions> = Object.freeze({
     development: {
         transport: {
             target: "pino-pretty",
@@ -18,8 +26,18 @@ const ENV_TO_LOGGER: Record<NodeEnv, any> = Object.freeze({
     test: false,
 });
 
+/**
+ * Validates whether the given string corresponds to a known Node.js environment.
+ *
+ * @param value
+ * @return True if the `value` is a known Node.js environment; otherwise, false.
+ */
 const isKnownNodeEnv = (value: string): value is NodeEnv => {
-    return ["development", "production", "test"].includes(value);
+    return [
+        "development",
+        "production",
+        "test",
+    ].includes(value);
 };
 
 interface EnvVars {
@@ -35,11 +53,11 @@ interface EnvVars {
 /**
  * Parses environment variables into config values for the application.
  *
- * @return {{CLP_DB_USER: string, CLP_DB_PASS: string, HOST: string, PORT: string}}
+ * @return
  * @throws {Error} if any required environment variable is undefined.
  */
 const parseEnvVars = (): EnvVars => {
-    dotenv.config({
+    dotenvConfig({
         path: [
             ".env.local",
             ".env",
@@ -63,19 +81,20 @@ const parseEnvVars = (): EnvVars => {
     }
 
     // Sanitize other environment variables
-    let sanitizedEnvVars = {
-        NODE_ENV: NODE_ENV_DEFAULT as NodeEnv
-    }
-    if (typeof NODE_ENV === "undefined" || false === isKnownNodeEnv(NODE_ENV)) {
-        console.log(`NODE_ENV is not set, or the configured value is not known.`+
+    const sanitizedEnvVars = {
+        NODE_ENV: NODE_ENV_DEFAULT as NodeEnv,
+    };
+
+    if ("undefined" === typeof NODE_ENV || false === isKnownNodeEnv(NODE_ENV)) {
+        console.log("NODE_ENV is not set, or the configured value is not known." +
             `Using default: ${NODE_ENV_DEFAULT}`);
     } else {
         sanitizedEnvVars.NODE_ENV = NODE_ENV;
     }
 
     return {
         ...mandatoryEnvVars,
-        ...sanitizedEnvVars
+        ...sanitizedEnvVars,
     };
 };
 
@@ -86,7 +105,7 @@ const main = async () => {
     const envVars = parseEnvVars();
     const server = await app({
         fastifyOptions: {
-            logger: ENV_TO_LOGGER[envVars.NODE_ENV] ?? true,
+            logger: ENV_TO_LOGGER[envVars.NODE_ENV],
         },
         sqlDbPass: envVars.CLP_DB_PASS,
         sqlDbUser: envVars.CLP_DB_USER,
@@ -100,7 +119,7 @@ const main = async () => {
     }
 };
 
-main().catch((e) => {
+main().catch((e: unknown) => {
     console.error(e);
     process.exit(1);
 });