Add package for shared typescript configurations for Lens applications, Features and libraries. (#7197)

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

packages/infrastructure/typescript/README.md

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+# @k8slens/typescript
+
+This package contains typescript configurations for Lens packages.
+
+## Install
+
+```
+$ npm install @k8slens/typescript
+```
+
+## Features
+
+### Base configuration
+Base configuration for minimal duplication.
+
+**tsconfig.json**
+```json
+{
+  "extends": "@k8slens/typescript/config/base.json"
+}
+```
+
+

packages/infrastructure/typescript/config/base.json

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+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "jsx": "react",
+    "target": "ES2019",
+    "module": "ESNext",
+
+    "lib": [
+      "ESNext",
+      "DOM",
+      "DOM.Iterable"
+    ],
+
+    "moduleResolution": "node16",
+    "sourceMap": true,
+    "strict": true,
+    "noImplicitAny": true,
+    "noUnusedLocals": true,
+    "noImplicitReturns": true,
+    "isolatedModules": true,
+    "skipLibCheck": true,
+    "allowJs": false,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "importsNotUsedAsValues": "error",
+    "traceResolution": false,
+    "resolveJsonModule": true,
+    "useDefineForClassFields": true,
+
+    "plugins": [
+      {
+        "name": "typescript-plugin-css-modules"
+      }
+    ]
+  },
+
+  "ts-node": {
+    "transpileOnly": true,
+
+    "compilerOptions": {
+      "module": "CommonJS"
+    }
+  },
+
+  "include": ["./styles.d.ts"]
+}

packages/infrastructure/typescript/config/styles.d.ts

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+// Support import for custom module extensions
+// https://www.typescriptlang.org/docs/handbook/modules.html#wildcard-module-declarations
+
+declare module "*.module.scss" {
+  const classes: { [key: string]: string };
+  export default classes;
+}
+
+declare module "*.module.css" {
+  const classes: { [key: string]: string };
+  export default classes;
+}
+
+declare module "*.scss" {
+  const content: string;
+  export = content;
+}

packages/infrastructure/typescript/package.json

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+{
+  "name": "@k8slens/typescript",
+  "private": false,
+  "version": "0.0.1",
+  "description": "Typescript configuration for Lens packages.",
+  "type": "commonjs",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/lensapp/lens.git"
+  },
+  "author": {
+    "name": "OpenLens Authors",
+    "email": "info@k8slens.dev"
+  },
+  "license": "MIT",
+  "homepage": "https://github.com/lensapp/lens",
+  "dependencies": {
+    "typescript": "^4.9.3",
+    "typescript-plugin-css-modules": "^3.4.0"
+  }
+}