feat: add nx-webpack-plugin package

packages/nx-webpack-plugin/.eslintrc.json

@@ -0,0 +1,28 @@
+{
+  "extends": ["../../.eslintrc.json"],
+  "ignorePatterns": ["!**/*"],
+  "overrides": [
+    {
+      "files": ["*.ts", "*.tsx", "*.js", "*.jsx"],
+      "parserOptions": {
+        "project": ["packages/nx-webpack-plugin/tsconfig.*?.json"]
+      },
+      "rules": {}
+    },
+    {
+      "files": ["*.ts", "*.tsx"],
+      "rules": {}
+    },
+    {
+      "files": ["*.js", "*.jsx"],
+      "rules": {}
+    },
+    {
+      "files": ["*.json"],
+      "parser": "jsonc-eslint-parser",
+      "rules": {
+        "@nx/dependency-checks": "error"
+      }
+    }
+  ]
+}

packages/nx-webpack-plugin/README.md

@@ -0,0 +1,11 @@
+# nx-webpack-plugin
+
+This library was generated with [Nx](https://nx.dev).
+
+## Building
+
+Run `nx build nx-webpack-plugin` to build the library.
+
+## Running unit tests
+
+Run `nx test nx-webpack-plugin` to execute the unit tests via [Jest](https://jestjs.io).

packages/nx-webpack-plugin/jest.config.ts

@@ -0,0 +1,12 @@
+import type { Config } from 'jest';
+
+export default {
+    displayName: 'nx-webpack-plugin',
+    preset: '../../jest.preset.js',
+    testEnvironment: 'node',
+    transform: {
+        '^.+\\.[tj]s$': ['ts-jest', { tsconfig: '<rootDir>/tsconfig.spec.json' }],
+    },
+    moduleFileExtensions: ['ts', 'js', 'html'],
+    coverageDirectory: '../../coverage/packages/nx-webpack-plugin',
+} as Config;

packages/nx-webpack-plugin/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "@deepkit/nx-webpack-plugin",
+  "version": "0.0.1",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/marcus-sa/deepkit-community.git"
+  },
+  "dependencies": {
+    "tslib": "2.6.2",
+    "webpack": "5.88.2",
+    "ts-loader": "9.4.4"
+  },
+  "peerDependencies": {
+    "@deepkit/type-compiler": "*",
+    "@nx/webpack": "^16.7.4"
+  },
+  "publishConfig": {
+    "access": "public"
+  }
+}

packages/nx-webpack-plugin/project.json

@@ -0,0 +1,47 @@
+{
+  "name": "nx-webpack-plugin",
+  "$schema": "../../node_modules/nx/schemas/project-schema.json",
+  "sourceRoot": "packages/nx-webpack-plugin/src",
+  "projectType": "library",
+  "targets": {
+    "build": {
+      "executor": "@nx/js:tsc",
+      "outputs": ["{options.outputPath}"],
+      "options": {
+        "outputPath": "dist/{projectRoot}",
+        "tsConfig": "{projectRoot}/tsconfig.lib.json",
+        "packageJson": "{projectRoot}/package.json",
+        "main": "{projectRoot}/src/index.ts",
+        "assets": ["{projectRoot}/*.md"]
+      }
+    },
+    "release": {
+      "command": "release-it --config={projectRoot}/.release-it.json"
+    },
+    "lint": {
+      "executor": "@nx/linter:eslint",
+      "outputs": ["{options.outputFile}"],
+      "options": {
+        "lintFilePatterns": [
+          "{projectRoot}/**/*.ts",
+          "{projectRoot}/package.json"
+        ]
+      }
+    },
+    "test": {
+      "executor": "@nx/jest:jest",
+      "outputs": ["{workspaceRoot}/coverage/{projectRoot}"],
+      "options": {
+        "jestConfig": "{projectRoot}/jest.config.ts",
+        "passWithNoTests": true
+      },
+      "configurations": {
+        "ci": {
+          "ci": true,
+          "codeCoverage": true
+        }
+      }
+    }
+  },
+  "tags": ["nx-webpack-plugin"]
+}

packages/nx-webpack-plugin/src/index.ts

@@ -0,0 +1 @@
+export * from './lib/with-deepkit';

packages/nx-webpack-plugin/src/lib/with-deepkit.ts

@@ -0,0 +1,50 @@
+import type { NxWebpackPlugin } from '@nx/webpack';
+import type { RuleSetRule } from 'webpack';
+import type { LoaderOptions } from 'ts-loader/dist/interfaces';
+import * as typeCompiler from '@deepkit/type-compiler';
+
+interface TsLoaderRule extends RuleSetRule {
+    readonly options: LoaderOptions;
+}
+
+type GetCustomTransformers = Exclude<
+LoaderOptions['getCustomTransformers'],
+string
+>;
+
+function addDeepkitTransformer(
+    prevGetCustomTransformers: GetCustomTransformers,
+): GetCustomTransformers {
+    return (program, getProgram) => {
+        const customTransformers = {
+            ...prevGetCustomTransformers?.(program, getProgram),
+        };
+        customTransformers.before = [
+            typeCompiler.transformer,
+            ...(customTransformers.before || []),
+        ];
+        customTransformers.afterDeclarations = [
+            typeCompiler.declarationTransformer,
+            ...(customTransformers.afterDeclarations || []),
+        ];
+        return customTransformers;
+    };
+}
+
+export function withDeepkit(): NxWebpackPlugin {
+    return config => {
+        const rules = config.module!.rules! as readonly RuleSetRule[];
+
+        rules
+            .filter(
+                (rule): rule is TsLoaderRule => !!rule.loader?.includes('ts-loader'),
+            )
+            .forEach(tsRule => {
+                tsRule.options!.getCustomTransformers = addDeepkitTransformer(
+                    tsRule.options.getCustomTransformers as GetCustomTransformers,
+                );
+            });
+
+        return config;
+    };
+}

packages/nx-webpack-plugin/tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "module": "commonjs"
+  },
+  "files": [],
+  "include": [],
+  "references": [
+    {
+      "path": "./tsconfig.lib.json"
+    },
+    {
+      "path": "./tsconfig.spec.json"
+    }
+  ],
+  "reflection": true
+}

packages/nx-webpack-plugin/tsconfig.lib.json

@@ -0,0 +1,12 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "commonjs",
+    "outDir": "../../dist/out-tsc",
+    "declaration": true,
+    "types": ["node"]
+  },
+  "exclude": ["jest.config.ts", "src/**/*.spec.ts", "src/**/*.test.ts"],
+  "include": ["src/**/*.ts"],
+  "reflection": true
+}

packages/nx-webpack-plugin/tsconfig.spec.json

@@ -0,0 +1,15 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node"]
+  },
+  "include": [
+    "jest.config.ts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ],
+  "reflection": true
+}

tsconfig.base.json

@@ -44,6 +44,7 @@
       "@deepkit/logger": ["packages/logger/src/index.ts"],
       "@deepkit/mongo": ["packages/mongo/src/index.ts"],
       "@deepkit/mysql": ["packages/mysql/src/index.ts"],
+      "@deepkit/nx-webpack-plugin": ["packages/nx-webpack-plugin/src/index.ts"],
       "@deepkit/orm": ["packages/orm/src/index.ts"],
       "@deepkit/orm-browser": ["packages/orm-browser/src/index.ts"],
       "@deepkit/orm-browser-api": ["packages/orm-browser-api/src/index.ts"],