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Copyright [Amazon.com](http://amazon.com/), Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: Apache-2.0 */ import * as fs from "fs"; import * as path from "path"; import { DependencyType, IgnoreFile, JsonFile, Project, Task, TaskStep, TextFile, YamlFile, } from "projen"; import { NodePackage, NodePackageManager, NodeProject, } from "projen/lib/javascript"; import { PythonProject } from "projen/lib/python"; import { TypeScriptProject, TypeScriptProjectOptions, } from "projen/lib/typescript"; import { Nx } from "./nx-types"; import { DEFAULT_CONFIG, SyncpackConfig } from "./syncpack-options"; const NX_MONOREPO_PLUGIN_PATH: string = ".nx/plugins/nx-monorepo-plugin.js"; /** * Workspace configurations. * * @see https://classic.yarnpkg.com/lang/en/docs/workspaces/ */ export interface WorkspaceConfig { /** * List of package globs to exclude from hoisting in the workspace. * * @see https://classic.yarnpkg.com/blog/2018/02/15/nohoist/ */ readonly noHoist?: string[]; /** * Disable automatically applying `noHoist` logic for all sub-project "bundledDependencies". * * @default false */ readonly disableNoHoistBundled?: boolean; /** * List of additional package globs to include in the workspace. * * All packages which are parented by the monorepo are automatically added to the workspace, but you can use this * property to specify any additional paths to packages which may not be managed by projen. */ readonly additionalPackages?: string[]; } /** * Configuration for Monorepo Upgrade Deps task. */ export interface MonorepoUpgradeDepsOptions { /** * Name of the task to create. * * @default upgrade-deps */ readonly taskName?: string; /** * Syncpack configuration. * * No merging is performed and as such a complete syncpackConfig is required if supplied. * * @default SyncpackConfig.DEFAULT_CONFIG */ readonly syncpackConfig?: SyncpackConfig; } /** * Configuration options for the NxMonorepoProject. */ export interface NxMonorepoProjectOptions extends TypeScriptProjectOptions { /** * Configuration for NX. */ readonly nxConfig?: Nx.WorkspaceConfig; /** * Configuration for workspace. */ readonly workspaceConfig?: WorkspaceConfig; /** * Whether to include an upgrade-deps task at the root of the monorepo which will upgrade all dependencies. * * @default true */ readonly monorepoUpgradeDeps?: boolean; /** * Monorepo Upgrade Deps options. * * This is only used if monorepoUpgradeDeps is true. * * @default undefined */ readonly monorepoUpgradeDepsOptions?: MonorepoUpgradeDepsOptions; } /** * 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: Nx.ImplicitDependencies; // immutable data structures private readonly nxConfig?: Nx.WorkspaceConfig; private readonly workspaceConfig?: WorkspaceConfig; private readonly workspacePackages: string[]; private readonly nxJson: JsonFile; constructor(options: NxMonorepoProjectOptions) { super({ ...options, github: options.github ?? false, package: options.package ?? false, prettier: options.prettier ?? true, projenrcTs: true, release: options.release ?? false, jest: options.jest ?? false, defaultReleaseBranch: options.defaultReleaseBranch ?? "mainline", sampleCode: false, // root should never have sample code, eslintOptions: options.eslintOptions ?? { dirs: ["."], ignorePatterns: ["packages/**/*.*"], }, tsconfig: options.tsconfig ?? { compilerOptions: { rootDir: ".", }, include: ["**/*.ts"], }, }); this.nxConfig = options.nxConfig; this.workspaceConfig = options.workspaceConfig; this.workspacePackages = options.workspaceConfig?.additionalPackages ?? []; 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"); this.addDeps("aws-cdk-lib", "constructs", "cdk-nag"); // Needed as this can be bundled in aws-prototyping-sdk this.package.addPackageResolutions("@types/babel__traverse@7.18.2"); if (options.monorepoUpgradeDeps !== false) { this.addDevDeps("npm-check-updates", "syncpack"); const upgradeDepsTask = this.addTask( options.monorepoUpgradeDepsOptions?.taskName || "upgrade-deps" ); upgradeDepsTask.exec( "npx npm-check-updates --deep --rejectVersion 0.0.0 -u" ); upgradeDepsTask.exec("npx syncpack fix-mismatches"); upgradeDepsTask.exec(`${this.package.packageManager} install`); upgradeDepsTask.exec("npx projen"); new JsonFile(this, ".syncpackrc.json", { obj: options.monorepoUpgradeDepsOptions?.syncpackConfig || DEFAULT_CONFIG, readonly: true, }); } options.nxConfig?.nxCloudReadOnlyAccessToken && this.addDevDeps("@nrwl/nx-cloud"); new IgnoreFile(this, ".nxignore").exclude( "test-reports", "target", ".env", ".pytest_cache", ...(this.nxConfig?.nxIgnore || []) ); new TextFile(this, NX_MONOREPO_PLUGIN_PATH, { readonly: true, lines: fs.readFileSync(getPluginPath()).toString("utf-8").split("\n"), }); this.nxJson = new JsonFile(this, "nx.json", { obj: { extends: "@nrwl/workspace/presets/npm.json", plugins: [`./${NX_MONOREPO_PLUGIN_PATH}`], npmScope: "monorepo", tasksRunnerOptions: { default: { runner: options.nxConfig?.nxCloudReadOnlyAccessToken ? "@nrwl/nx-cloud" : "@nrwl/workspace/tasks-runners/default", options: { useDaemonProcess: false, cacheableOperations: options.nxConfig?.cacheableOperations || [ "build", "test", ], accessToken: options.nxConfig?.nxCloudReadOnlyAccessToken, }, }, }, namedInputs: options.nxConfig?.namedInputs, targetDefaults: options.nxConfig?.targetDefaults, implicitDependencies: this.implicitDependencies, targetDependencies: { build: [ { target: "build", projects: "dependencies", }, ], ...(this.nxConfig?.targetDependencies || {}), }, affected: { defaultBase: this.nxConfig?.affectedBranch || "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]; } } /** * Add one or more additional package globs to the workspace. * @param packageGlobs paths to the package to include in the workspace (for example packages/my-package) */ public addWorkspacePackages(...packageGlobs: string[]) { // Any subprojects that were added since the last call to this method need to be added first, in order to ensure // we add the workspace packages in a sane order. const relativeSubProjectWorkspacePackages = this.instantiationOrderSubProjects.map((project) => path.relative(this.outdir, project.outdir) ); const existingWorkspacePackages = new Set(this.workspacePackages); this.workspacePackages.push( ...relativeSubProjectWorkspacePackages.filter( (pkg) => !existingWorkspacePackages.has(pkg) ) ); // Add the additional packages next this.workspacePackages.push(...packageGlobs); } // Remove this hack once subProjects is made public in Projen private get instantiationOrderSubProjects(): Project[] { // @ts-ignore const subProjects: Project[] = this.subprojects || []; return subProjects; } public get subProjects(): Project[] { return this.instantiationOrderSubProjects.sort((a, b) => a.name.localeCompare(b.name) ); } /** * @inheritDoc */ synth() { this.validateSubProjects(); this.updateWorkspace(); this.wirePythonDependencies(); this.synthesizeNonNodePackageJson(); // Prevent sub NodeProject packages from `postSynthesis` which will cause individual/extraneous installs. // The workspace package install will handle all the sub NodeProject packages automatically. const subProjectPackages: NodePackage[] = []; this.subProjects.forEach((subProject) => { if (isNodeProject(subProject)) { const subNodeProject: NodeProject = subProject as NodeProject; subProjectPackages.push(subNodeProject.package); // @ts-ignore - `installDependencies` is private subNodeProject.package.installDependencies = () => {}; } }); super.synth(); // Force workspace install deps if any node subproject package has change, unless the workspace changed Iif ( // @ts-ignore - `file` is private (this.package.file as JsonFile).changed !== true && // @ts-ignore - `file` is private subProjectPackages.find((pkg) => (pkg.file as JsonFile).changed === true) ) { // @ts-ignore - `installDependencies` is private this.package.installDependencies(); } } /** * Ensures subprojects don't have a default task and that all packages use the same package manager. */ private validateSubProjects() { this.subProjects.forEach((subProject: any) => { // Disable default task on subprojects as this isn't supported in a monorepo subProject.defaultTask?.reset(); if ( isNodeProject(subProject) && subProject.package.packageManager !== this.package.packageManager ) { throw new Error( `${subProject.name} packageManager does not match the monorepo packageManager: ${this.package.packageManager}.` ); } }); } /** * For non-node projects, a package.json is required in order to be discovered by NX. */ private synthesizeNonNodePackageJson() { this.subProjects .filter((subProject: any) => !isNodeProject(subProject)) .filter((subProject: Project) => !subProject.tryFindFile("package.json")) .forEach((subProject: Project) => { // generate a package.json if not found const manifest: any = { name: subProject.name, private: true, __pdk__: true, scripts: subProject.tasks.all.reduce( (p, c) => ({ [c.name]: `npx projen ${c.name}`, ...p, }), {} ), version: "0.0.0", }; new JsonFile(subProject, "package.json", { obj: manifest, readonly: true, }); }); } /** * Add a submodule entry to the appropriate workspace file. */ private updateWorkspace() { // A final call to addWorkspacePackages will update the list of workspace packages with any subprojects that have // not yet been added, in the correct order this.addWorkspacePackages(); let noHoist = this.workspaceConfig?.noHoist; // Automatically add all sub-project "bundledDependencies" to workspace "hohoist", otherwise they are not bundled in npm package if (this.workspaceConfig?.disableNoHoistBundled !== true) { const noHoistBundled = this.subProjects.flatMap((sub) => { if (sub instanceof NodeProject) { return sub.deps.all .filter((dep) => dep.type === DependencyType.BUNDLED) .flatMap((dep) => [ `${sub.name}/${dep.name}`, `${sub.name}/${dep.name}/*`, ]); } return []; }); Iif (noHoistBundled.length) { noHoist = [...(noHoist || []), ...noHoistBundled]; } } // Add workspaces for each subproject if (this.package.packageManager === NodePackageManager.PNPM) { new YamlFile(this, "pnpm-workspace.yaml", { readonly: true, obj: { packages: this.workspacePackages, }, }); } else { this.package.addField("workspaces", { packages: this.workspacePackages, nohoist: noHoist, }); } } /** * Updates the install task for python projects so that they are run serially and in dependency order such that python * projects within the monorepo can declare dependencies on one another. * @private */ private wirePythonDependencies() { // Find any python projects const pythonProjects = this.subProjects.filter( (project) => project instanceof PythonProject ) as PythonProject[]; if (pythonProjects.length === 0) { // Nothing to do for no python projects return; } // Move all install commands to install-py so that they are not installed in parallel by the monorepo package manager. // eg yarn install will run the install task for all packages in parallel which can lead to conflicts for python. pythonProjects.forEach((pythonProject) => { const installPyTask = pythonProject.tasks.tryFind("install-py") ?? pythonProject.addTask("install-py"); const installTask = pythonProject.tasks.tryFind("install"); (installTask?.steps || []).forEach((step) => { this.copyStepIntoTask(step, installPyTask, pythonProject); }); installTask?.reset(); }); // Add an install task to the monorepo to include running the install-py command serially to avoid conflicting writes // to a shared virtual env. This is also managed by nx so that installs occur in dependency order. const monorepoInstallTask = this.tasks.tryFind("install") ?? this.addTask("install"); monorepoInstallTask.exec( `npx nx run-many --target install-py --projects ${pythonProjects .map((project) => project.name) .join(",")} --parallel=1` ); // Update the nx.json to ensure that install-py follows dependency order this.nxJson.addOverride("targetDependencies.install-py", [ { target: "install-py", projects: "dependencies", }, ]); } /** * Copies the given step into the given task. Step and Task must be from the given Project * @private */ private copyStepIntoTask(step: TaskStep, task: Task, project: Project) { if (step.exec) { task.exec(step.exec, { name: step.name, cwd: step.cwd }); } else Eif (step.say) { task.say(step.say, { name: step.name, cwd: step.cwd }); } else if (step.spawn) { const stepToSpawn = project.tasks.tryFind(step.spawn); Iif (stepToSpawn) { task.spawn(stepToSpawn, { name: step.name, cwd: step.cwd }); } } else Iif (step.builtin) { task.builtin(step.builtin); } } } /** * Determines if the passed in project is of type NodeProject. * * @param project Project instance. * @returns true if the project instance is of type NodeProject. */ function isNodeProject(project: any) { return project instanceof NodeProject || project.package; } function getPluginPath() { return path.join(__dirname, "plugin/nx-monorepo-plugin.js"); } |