feat(js): standalone executor for generating package.json

* generates a package.json based on the project's dependencies in node_modules
* moves getExtraDependencies helper from esbuild package to js package

docs/generated/manifests/menus.json

@@ -4787,6 +4787,14 @@
                 "children": [],
                 "isExternal": false,
                 "disableCollapsible": false
+              },
+              {
+                "id": "generate-package-json",
+                "path": "/packages/js/executors/generate-package-json",
+                "name": "generate-package-json",
+                "children": [],
+                "isExternal": false,
+                "disableCollapsible": false
               }
             ],
             "isExternal": false,

docs/generated/manifests/packages.json

@@ -984,6 +984,15 @@
         "originalFilePath": "/packages/js/src/executors/node/schema.json",
         "path": "/packages/js/executors/node",
         "type": "executor"
+      },
+      "/packages/js/executors/generate-package-json": {
+        "description": "Generates a `package.json` and pruned lock file (if generateLockfile not disabled) with the project's `node_module` dependencies populated for installing in a container. If a `package.json` exists in the project's directory, it will be reused with dependencies populated.",
+        "file": "generated/packages/js/executors/generate-package-json.json",
+        "hidden": false,
+        "name": "generate-package-json",
+        "originalFilePath": "/packages/js/src/executors/generate-package-json/schema.json",
+        "path": "/packages/js/executors/generate-package-json",
+        "type": "executor"
       }
     },
     "generators": {

docs/generated/packages-metadata.json

@@ -968,6 +968,15 @@
         "originalFilePath": "/packages/js/src/executors/node/schema.json",
         "path": "js/executors/node",
         "type": "executor"
+      },
+      {
+        "description": "Generates a `package.json` and pruned lock file (if generateLockfile not disabled) with the project's `node_module` dependencies populated for installing in a container. If a `package.json` exists in the project's directory, it will be reused with dependencies populated.",
+        "file": "generated/packages/js/executors/generate-package-json.json",
+        "hidden": false,
+        "name": "generate-package-json",
+        "originalFilePath": "/packages/js/src/executors/generate-package-json/schema.json",
+        "path": "js/executors/generate-package-json",
+        "type": "executor"
       }
     ],
     "generators": [

docs/generated/packages/js/executors/generate-package-json.json

@@ -0,0 +1,66 @@
+{
+  "name": "generate-package-json",
+  "implementation": "/packages/js/src/executors/generate-package-json/generate-package-json.impl.ts",
+  "schema": {
+    "$schema": "http://json-schema.org/schema",
+    "outputCapture": "direct-nodejs",
+    "version": 2,
+    "cli": "nx",
+    "title": "GeneratePackageJson builder",
+    "description": "Generates a package.json file",
+    "type": "object",
+    "properties": {
+      "main": {
+        "type": "string",
+        "description": "The path to the entry file, relative to project.",
+        "alias": "entryFile",
+        "x-completion-type": "file",
+        "x-completion-glob": "**/*@(.js|.ts)"
+      },
+      "outputPath": {
+        "type": "string",
+        "description": "The output path of the generated files.",
+        "x-completion-type": "directory",
+        "x-priority": "important"
+      },
+      "tsConfig": {
+        "type": "string",
+        "description": "The path to tsconfig file.",
+        "x-completion-type": "file",
+        "x-completion-glob": "tsconfig.*.json"
+      },
+      "buildableProjectDepsInPackageJsonType": {
+        "type": "string",
+        "description": "The type of dependency to use for buildable project dependencies in the generated `package.json`.",
+        "enum": ["dependencies", "devDependencies"],
+        "default": "dependencies"
+      },
+      "excludeLibsInPackageJson": {
+        "type": "boolean",
+        "description": "Exclude libraries in the `package.json` file. This is useful if you are using a `package.json` file in the project's directory.",
+        "default": true
+      },
+      "generateLockfile": {
+        "type": "boolean",
+        "description": "Generate a lock file for the generated `package.json`.",
+        "default": true
+      },
+      "format": {
+        "type": "string",
+        "description": "List of module formats to output. Defaults to matching format from tsconfig (e.g. CJS for CommonJS, and ESM otherwise).",
+        "alias": "f",
+        "enum": ["esm", "cjs"],
+        "default": "esm"
+      }
+    },
+    "definitions": {},
+    "required": ["main", "outputPath", "tsConfig"],
+    "examplesFile": "---\ntitle: Examples for the generate package json executor\ndescription: This page contains examples for the js @nrwl/js:generate-package-json executor.\n---\n\n`project.json`:\n\n```json\n{\n  \"name\": \"api\",\n  //...\n  \"targets\": {\n    \"build\": {\n      \"dependsOn\": [\n        { \"projects\": \"self\", \"target\": \"build\", \"params\": \"forward\" }\n      ],\n      \"executor\": \"@nrwl/js:generate-package-json\",\n      \"options\": {\n        \"outputPath\": \"dist/apps/api\",\n        \"main\": \"apps/api/src/main.ts\",\n        \"tsConfig\": \"apps/api/tsconfig.app.json\"\n      }\n    },\n    \"build-api\": {\n      \"executor\": \"@nrwl/vite:build\",\n      //...\n      \"configurations\": {\n        \"production\": {\n          \"mode\": \"production\"\n        }\n      }\n    },\n    \"serve\": {\n      \"executor\": \"@nrwl/vite:dev-server\",\n      //...\n      \"configurations\": {\n        \"production\": {\n          \"buildTarget\": \"api:build:production\"\n        }\n      }\n    }\n  }\n}\n```\n\n```bash\nnx build api --prod\nnx build api --dev\n```\n",
+    "presets": []
+  },
+  "description": "Generates a `package.json` and pruned lock file (if generateLockfile not disabled) with the project's `node_module` dependencies populated for installing in a container. If a `package.json` exists in the project's directory, it will be reused with dependencies populated.",
+  "aliases": [],
+  "hidden": false,
+  "path": "/packages/js/src/executors/generate-package-json/schema.json",
+  "type": "executor"
+}

packages/esbuild/src/executors/esbuild/esbuild.impl.ts

@@ -6,6 +6,7 @@ import {
   copyAssets,
   copyPackageJson,
   CopyPackageJsonOptions,
+  getExtraDependencies,
   printDiagnostics,
   runTypeCheck as _runTypeCheck,
   TypeCheckOptions,
@@ -21,7 +22,6 @@ import {
   getOutExtension,
   getOutfile,
 } from './lib/build-esbuild-options';
-import { getExtraDependencies } from './lib/get-extra-dependencies';
 import { DependentBuildableProjectNode } from '@nx/js/src/utils/buildable-libs-utils';
 import { join } from 'path';
 

packages/js/docs/generate-package-json.examples.md

@@ -0,0 +1,49 @@
+---
+title: Examples for the generate package json executor
+description: This page contains examples for the js @nrwl/js:generate-package-json executor.
+---
+
+`project.json`:
+
+```json
+{
+  "name": "api",
+  //...
+  "targets": {
+    "build": {
+      "dependsOn": [
+        { "projects": "self", "target": "build", "params": "forward" }
+      ],
+      "executor": "@nrwl/js:generate-package-json",
+      "options": {
+        "outputPath": "dist/apps/api",
+        "main": "apps/api/src/main.ts",
+        "tsConfig": "apps/api/tsconfig.app.json"
+      }
+    },
+    "build-api": {
+      "executor": "@nrwl/vite:build",
+      //...
+      "configurations": {
+        "production": {
+          "mode": "production"
+        }
+      }
+    },
+    "serve": {
+      "executor": "@nrwl/vite:dev-server",
+      //...
+      "configurations": {
+        "production": {
+          "buildTarget": "api:build:production"
+        }
+      }
+    }
+  }
+}
+```
+
+```bash
+nx build api --prod
+nx build api --dev
+```

packages/js/executors.json

@@ -15,6 +15,11 @@
       "implementation": "./src/executors/node/node.impl",
       "schema": "./src/executors/node/schema.json",
       "description": "Execute a Node application."
+    },
+    "generate-package-json": {
+      "implementation": "./src/executors/generate-package-json/generate-package-json.impl",
+      "schema": "./src/executors/generate-package-json/schema.json",
+      "description": "Generates a `package.json` and pruned lock file (if generateLockfile not disabled) with the project's `node_module` dependencies populated for installing in a container. If a `package.json` exists in the project's directory, it will be reused with dependencies populated."
     }
   },
   "builders": {

packages/js/src/executors/generate-package-json/generate-package-json.impl.spec.ts

@@ -0,0 +1,199 @@
+import 'nx/src/utils/testing/mock-fs';
+
+import { GeneratePackageJsonExecutorOptions } from './schema';
+import executor from './generate-package-json.impl';
+import { ExecutorContext } from '@nrwl/devkit';
+import { vol } from 'memfs';
+import { readFileSync, statSync } from 'fs';
+import { readdirSync } from 'fs-extra';
+import { join } from 'path';
+
+const getAllFiles = (dirPath: string, arrayOfFiles = []) => {
+  const files = readdirSync(dirPath);
+
+  files.forEach((file) => {
+    const filepath = join(dirPath, file);
+    if (statSync(filepath).isDirectory()) {
+      arrayOfFiles = getAllFiles(filepath, arrayOfFiles);
+    } else {
+      arrayOfFiles.push(filepath);
+    }
+  });
+
+  return arrayOfFiles;
+};
+
+describe('GeneratePackageJson Executor', () => {
+  const projectName = 'parent';
+  const projectPath = `apps/${projectName}`;
+  const outputPath = `dist/apps/${projectName}`;
+
+  const mockWorkspaceRoot = process.cwd();
+
+  const mockBuildOptions: GeneratePackageJsonExecutorOptions = {
+    main: `${projectPath}/index.js`,
+    outputPath,
+    tsConfig: `${projectPath}/tsconfig.app.json`,
+  };
+
+  const mockContext: ExecutorContext = {
+    cwd: '',
+    isVerbose: false,
+    root: mockWorkspaceRoot,
+    projectName,
+    target: {
+      options: mockBuildOptions,
+    },
+    targetName: 'build',
+    projectGraph: {
+      nodes: {
+        parent: {
+          type: 'app',
+          name: 'parent',
+          data: {
+            files: [],
+            root: projectPath,
+            targets: {
+              build: {
+                inputs: [],
+                options: mockBuildOptions,
+              },
+            },
+          },
+        },
+        child1: {
+          type: 'lib',
+          name: 'child1',
+          data: {},
+        },
+        child2: {
+          type: 'lib',
+          name: 'child2',
+          data: {},
+        },
+      } as any,
+      externalNodes: {
+        'npm:react': {
+          type: 'npm',
+          name: 'npm:react',
+          data: { packageName: 'react', version: '18.0.0' },
+        },
+        'npm:axios': {
+          type: 'npm',
+          name: 'npm:axios',
+          data: { packageName: 'axios', version: '1.0.0' },
+        },
+        'npm:dayjs': {
+          type: 'npm',
+          name: 'npm:dayjs',
+          data: { packageName: 'dayjs', version: '1.11.0' },
+        },
+      },
+      dependencies: {
+        parent: [
+          { source: 'parent', target: 'child1', type: 'static' },
+          { source: 'parent', target: 'npm:react', type: 'static' },
+        ],
+        child1: [
+          { source: 'child1', target: 'child2', type: 'static' },
+          { source: 'child1', target: 'npm:axios', type: 'static' },
+        ],
+        child2: [{ source: 'child2', target: 'npm:dayjs', type: 'static' }],
+      },
+    },
+  };
+
+  beforeEach(async () => {
+    vol.reset();
+    const fileSys = {
+      [`${projectPath}/package.json`]: JSON.stringify({
+        name: '@company/parent',
+        author: 'John Doe',
+        something: 'else',
+      }),
+      'package.json': JSON.stringify({
+        name: 'package.name.does.not.matter',
+      }),
+      'package-lock.json': JSON.stringify({
+        name: 'package-lock.name.does.not.matter',
+        version: 'package-lock.version.does.not.matter',
+        lockfileVersion: 3,
+        packages: {
+          '': {},
+          'node_modules/axios': {
+            version: '1.0.0',
+          },
+          'node_modules/dayjs': {
+            version: '1.11.0',
+          },
+          'node_modules/react': {
+            version: '18.0.0',
+          },
+        },
+      }),
+    };
+    vol.fromJSON(fileSys, mockWorkspaceRoot);
+  });
+
+  it('generates a package.json and package-lock.json with child dependencies', async () => {
+    const output = await executor(mockBuildOptions, mockContext);
+
+    const expectedPackageLockJson = {
+      name: '@company/parent',
+      lockfileVersion: 3,
+      version: '0.0.1',
+      packages: {
+        '': {
+          name: '@company/parent',
+          dependencies: {
+            axios: '1.0.0',
+            dayjs: '1.11.0',
+            react: '18.0.0',
+          },
+        },
+        'node_modules/axios': {
+          version: '1.0.0',
+        },
+        'node_modules/dayjs': {
+          version: '1.11.0',
+        },
+        'node_modules/react': {
+          version: '18.0.0',
+        },
+      },
+    };
+
+    const expectedPackageJson = {
+      name: '@company/parent',
+      author: 'John Doe',
+      something: 'else',
+      dependencies: {
+        axios: '1.0.0',
+        dayjs: '1.11.0',
+        react: '18.0.0',
+      },
+      module: './index.js',
+      type: 'module',
+      main: './index.js',
+    };
+
+    expect(
+      JSON.parse(readFileSync(`${outputPath}/package-lock.json`, 'utf-8'))
+    ).toEqual(expectedPackageLockJson);
+
+    expect(
+      JSON.parse(readFileSync(`${outputPath}/package.json`, 'utf-8'))
+    ).toEqual(expectedPackageJson);
+
+    expect(output.success).toBe(true);
+
+    expect(getAllFiles('')).toEqual([
+      `${projectPath}/package.json`,
+      `${outputPath}/package-lock.json`,
+      `${outputPath}/package.json`,
+      'package-lock.json',
+      'package.json',
+      'tmp/apps/parent/tsconfig.generated.json',
+    ]);
+  });
+});