feat(logging): add log level env variable (#2299)

packages/env/eslint.config.js

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+import baseConfig from "@homarr/eslint-config/base";
+
+/** @type {import('typescript-eslint').Config} */
+export default [
+  {
+    ignores: [],
+  },
+  ...baseConfig,
+];

packages/env/index.ts

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+export * from "./src";

packages/env/package.json

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+{
+  "name": "@homarr/env",
+  "version": "0.1.0",
+  "private": true,
+  "license": "MIT",
+  "type": "module",
+  "exports": {
+    ".": "./index.ts",
+    "./schemas": "./src/schemas.ts"
+  },
+  "typesVersions": {
+    "*": {
+      "*": [
+        "src/*"
+      ]
+    }
+  },
+  "scripts": {
+    "clean": "rm -rf .turbo node_modules",
+    "format": "prettier --check . --ignore-path ../../.gitignore",
+    "lint": "eslint",
+    "typecheck": "tsc --noEmit"
+  },
+  "prettier": "@homarr/prettier-config",
+  "dependencies": {
+    "@t3-oss/env-nextjs": "^0.12.0",
+    "zod": "^3.24.2"
+  },
+  "devDependencies": {
+    "@homarr/eslint-config": "workspace:^0.2.0",
+    "@homarr/prettier-config": "workspace:^0.1.0",
+    "@homarr/tsconfig": "workspace:^0.1.0",
+    "eslint": "^9.20.1",
+    "typescript": "^5.7.3"
+  }
+}

packages/env/src/index.ts

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+import { createEnv as createEnvT3 } from "@t3-oss/env-nextjs";
+
+export const defaultEnvOptions = {
+  emptyStringAsUndefined: true,
+  skipValidation:
+    Boolean(process.env.CI) || Boolean(process.env.SKIP_ENV_VALIDATION) || process.env.npm_lifecycle_event === "lint",
+} satisfies Partial<Parameters<typeof createEnvT3>[0]>;
+
+export const createEnv: typeof createEnvT3 = (options) => createEnvT3({ ...defaultEnvOptions, ...options });

packages/env/src/schemas.ts

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+import { z } from "zod";
+
+const trueStrings = ["1", "yes", "t", "true"];
+const falseStrings = ["0", "no", "f", "false"];
+
+export const createBooleanSchema = (defaultValue: boolean) =>
+  z
+    .string()
+    .default(defaultValue.toString())
+    .transform((value, ctx) => {
+      const normalized = value.trim().toLowerCase();
+      if (trueStrings.includes(normalized)) return true;
+      if (falseStrings.includes(normalized)) return false;
+
+      throw new Error(`Invalid boolean value for ${ctx.path.join(".")}`);
+    });
+
+export const createDurationSchema = (defaultValue: `${number}${"s" | "m" | "h" | "d"}`) =>
+  z
+    .string()
+    .regex(/^\d+[smhd]?$/)
+    .default(defaultValue)
+    .transform((duration) => {
+      const lastChar = duration[duration.length - 1] as "s" | "m" | "h" | "d";
+      if (!isNaN(Number(lastChar))) {
+        return Number(defaultValue);
+      }
+
+      const multipliers = {
+        s: 1,
+        m: 60,
+        h: 60 * 60,
+        d: 60 * 60 * 24,
+      };
+      const numberDuration = Number(duration.slice(0, -1));
+      const multiplier = multipliers[lastChar];
+
+      return numberDuration * multiplier;
+    });

packages/env/tsconfig.json

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+{
+  "extends": "@homarr/tsconfig/base.json",
+  "compilerOptions": {
+    "tsBuildInfoFile": "node_modules/.cache/tsbuildinfo.json"
+  },
+  "include": ["*.ts", "src"],
+  "exclude": ["node_modules"]
+}