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All Rights Reserved. // SPDX-License-Identifier: Apache-2.0 import * as fs from "fs"; import * as path from "path"; import { IgnoreFile, JsonFile, Project, TextFile, YamlFile } from "projen"; import { NodePackageManager, NodeProject } from "projen/lib/javascript"; import { TypeScriptProject, TypeScriptProjectOptions, } from "projen/lib/typescript"; const NX_MONOREPO_PLUGIN_PATH: string = ".nx/plugins/nx-monorepo-plugin.js"; /** * Configuration for nx targetDependencies. */ export type TargetDependencies = { [target: string]: TargetDependency[] }; /** * Implicit Dependencies map. */ export type ImplicitDependencies = { [pkg: string]: string[] }; /** * Supported enums for a TargetDependency. */ export enum TargetDependencyProject { /** * Only rely on the package where the target is called. * * This is usually done for test like targets where you only want to run unit * tests on the target packages without testing all dependent packages. */ SELF = "self", /** * Target relies on executing the target against all dependencies first. * * This is usually done for build like targets where you want to build all * dependant projects first. */ DEPENDENCIES = "dependencies", } /** * Represents an NX Target Dependency. */ export interface TargetDependency { /** * Projen target i.e: build, test, etc */ readonly target: string; /** * Target dependencies. */ readonly projects: TargetDependencyProject; } /** * NX configurations. * * @link https://nx.dev/configuration/packagejson */ export interface NXConfig { /** * Configuration for Implicit Dependnecies. * * @link https://nx.dev/configuration/packagejson#implicitdependencies */ readonly implicitDependencies?: ImplicitDependencies; /** * Configuration for TargetDependencies. * * @link https://nx.dev/configuration/packagejson#target-dependencies */ readonly targetDependencies?: TargetDependencies; /** * List of patterns to include in the .nxignore file. * * @link https://nx.dev/configuration/packagejson#nxignore */ readonly nxIgnore?: string[]; } /** * Workspace configurations. * * @link https://classic.yarnpkg.com/lang/en/docs/workspaces/ */ export interface WorkspaceConfig { /** * List of package globs to exclude from hoisting in the workspace. * * @link https://classic.yarnpkg.com/blog/2018/02/15/nohoist/ */ readonly noHoist?: string[]; } /** * Configuration options for the NxMonorepoProject. */ export interface NxMonorepoProjectOptions extends TypeScriptProjectOptions { /** * Configuration for NX. */ readonly nxConfig?: NXConfig; /** * Configuration for workspace. */ readonly workspaceConfig?: WorkspaceConfig; } /** * This project type will bootstrap a NX based monorepo with support for polygot * builds, build caching, dependency graph visualization and much more. * * @pjid nx-monorepo */ export class NxMonorepoProject extends TypeScriptProject { // mutable data structures private readonly implicitDependencies: ImplicitDependencies; // immutable data structures private readonly nxConfig?: NXConfig; private readonly workspaceConfig?: WorkspaceConfig; constructor(options: NxMonorepoProjectOptions) { super({ ...options, github: false, jest: false, package: false, prettier: true, projenrcTs: true, release: false, sampleCode: false, defaultReleaseBranch: "mainline", }); this.nxConfig = options.nxConfig; this.workspaceConfig = options.workspaceConfig; this.implicitDependencies = this.nxConfig?.implicitDependencies || {}; // Never publish a monorepo root package. this.package.addField("private", true); // No need to compile or test a monorepo root package. this.compileTask.reset(); this.testTask.reset(); this.addDevDeps("@nrwl/cli", "@nrwl/workspace"); new IgnoreFile(this, ".nxignore").exclude( "test-reports", "target", ".env", ".pytest_cache", ...(this.nxConfig?.nxIgnore || []) ); new TextFile(this, NX_MONOREPO_PLUGIN_PATH, { readonly: true, lines: fs.readFileSync(getPluginPath()).toString("utf-8").split("\n"), }); new JsonFile(this, "nx.json", { obj: { extends: "@nrwl/workspace/presets/npm.json", plugins: [`./${NX_MONOREPO_PLUGIN_PATH}`], npmScope: "monorepo", tasksRunnerOptions: { default: { runner: "@nrwl/workspace/tasks-runners/default", options: { useDaemonProcess: false, cacheableOperations: ["build", "test"], }, }, }, implicitDependencies: this.implicitDependencies, targetDependencies: { build: [ { target: "build", projects: "dependencies", }, ], ...(this.nxConfig?.targetDependencies || {}), }, affected: { defaultBase: "mainline", }, }, }); } /** * Create an implicit dependency between two Project's. This is typically * used in polygot repos where a Typescript project wants a build dependency * on a Python project as an example. * * @param dependent project you want to have the dependency. * @param dependee project you wish to depend on. */ public addImplicitDependency(dependent: Project, dependee: Project) { Iif (this.implicitDependencies[dependent.name]) { this.implicitDependencies[dependent.name].push(dependee.name); } else { this.implicitDependencies[dependent.name] = [dependee.name]; } } // Remove this hack once subProjects is made public in Projen protected get subProjects(): Project[] { // @ts-ignore const subProjects: Project[] = this.subprojects || []; return subProjects.sort((a, b) => a.name.localeCompare(b.name)); } /** * @inheritDoc */ preSynthesize() { super.preSynthesize(); // Add workspaces for each subproject Iif (this.package.packageManager === NodePackageManager.PNPM) { new YamlFile(this, "pnpm-workspace.yaml", { readonly: true, obj: { packages: this.subProjects.map((subProject) => path.relative(this.outdir, subProject.outdir) ), }, }); } else { this.package.addField("workspaces", { packages: this.subProjects.map((subProject) => path.relative(this.outdir, subProject.outdir) ), nohoist: this.workspaceConfig?.noHoist, }); } this.subProjects.forEach((subProject: any) => { // Disable default task on subprojects as this isn't supported in a monorepo subProject.defaultTask?.reset(); Iif ( (subProject instanceof NodeProject || subProject.package) && subProject.package.packageManager !== this.package.packageManager ) { throw new Error( `${subProject.name} packageManager does not match the monorepo packageManager: ${this.package.packageManager}.` ); } }); } /** * @inheritDoc */ synth() { // Check to see if a new subProject was added const newSubProject = this.subProjects.find( (subProject) => !fs.existsSync(subProject.outdir) ); // Need to synth before generating the package.json otherwise the subdirectory won't exist newSubProject && super.synth(); this.subProjects .filter( (subProject) => !subProject.tryFindObjectFile("package.json") || (fs.existsSync(`${subProject.outdir}/package.json`) && JSON.parse( fs.readFileSync(`${subProject.outdir}/package.json`).toString() ).__pdk__) ) .forEach((subProject) => { // generate a package.json if not found const manifest: any = {}; manifest.name = subProject.name; manifest.private = true; manifest.__pdk__ = true; manifest.scripts = subProject.tasks.all.reduce( (p, c) => ({ [c.name]: `npx projen ${c.name}`, ...p, }), {} ); manifest.version = "0.0.0"; new JsonFile(subProject, "package.json", { obj: manifest, readonly: true, }); }); super.synth(); } } function getPluginPath() { return path.join(__dirname, "plugin/nx-monorepo-plugin.js"); } |