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All Rights Reserved. Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ******************************************************************************************************************** */ import * as fs from "fs"; import * as path from "path"; import { IgnoreFile, JsonFile, Project, Task, TaskStep, TextFile, YamlFile, } from "projen"; import { NodePackageManager, NodeProject } from "projen/lib/javascript"; import { PythonProject } from "projen/lib/python"; import { TypeScriptProject, TypeScriptProjectOptions, } from "projen/lib/typescript"; import { DEFAULT_CONFIG, SyncpackConfig } from "./syncpack-options"; const NX_MONOREPO_PLUGIN_PATH: string = ".nx/plugins/nx-monorepo-plugin.js"; /** * Configuration for nx targetDependencies. */ export type TargetDependencies = { [target: string]: TargetDependency[] }; /** * Configuration for project specific targets. */ export type ProjectTargets = { [target: string]: ProjectTarget }; /** * Project Target. */ export interface ProjectTarget { /** * List of outputs to cache, relative to the root of the monorepo. * * note: must start with leading / */ readonly outputs?: string[]; /** * List of Target Dependencies. */ readonly dependsOn: 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 { /** * Affected branch. * * @default mainline */ readonly affectedBranch?: string; /** * 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[]; /** * Read only access token if enabling nx cloud. */ readonly nxCloudReadOnlyAccessToken?: 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[]; /** * 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?: NXConfig; /** * 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: ImplicitDependencies; private readonly targetOverrides: { [pkg: string]: ProjectTargets } = {}; // immutable data structures private readonly nxConfig?: NXConfig; 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 }); 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 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: ["build", "test"], accessToken: options.nxConfig?.nxCloudReadOnlyAccessToken, }, }, }, 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); } /** * Allow project specific target overrides. */ public overrideProjectTargets(project: Project, targets: ProjectTargets) { const _package = project.tryFindObjectFile("package.json"); _package?.addOverride("nx", { targets: targets, }); !_package && (this.targetOverrides[project.outdir] = targets); } // 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(); super.synth(); } /** * 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 = {}; (manifest.nx = this.targetOverrides[subProject.outdir] ? { targets: this.targetOverrides[subProject.outdir] } : undefined), (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, }); }); } /** * 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(); // 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: this.workspaceConfig?.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"); } |