Shadcn Registry manager

import path from "path" import { initOptionsSchema } from "@/src/schemas/init.schemas" import * as ERRORS from "@/src/utils/errors" import { getProjectInfo } from "@/src/utils/get-project-info" import { logger } from "@/src/utils/logger" import { spinner } from "@/src/utils/spinner" import fs from "fs-extra" import { z } from "zod" import { ServerRequest, ServerNotification } from "@modelcontextprotocol/sdk/types" import { RequestHandlerExtra } from "@modelcontextprotocol/sdk/shared/protocol" export async function preFlightInit( options: z.infer<typeof initOptionsSchema>, extra?: RequestHandlerExtra<ServerRequest, ServerNotification> ) { const errors: Record<string, boolean> = {} const projectSpinner = spinner(`Preflight checks.`, extra, "preFlightInit").start() // Ensure target directory exists. // Check for empty project. We assume if no package.json exists, the project is empty. if ( !fs.existsSync(options.cwd) || !fs.existsSync(path.resolve(options.cwd, "package.json")) ) { projectSpinner?.fail(`Missing directory or empty project at ${options.cwd}.`) errors[ERRORS.MISSING_DIR_OR_EMPTY_PROJECT] = true return { errors, projectInfo: null, } } if ( fs.existsSync(path.resolve(options.cwd, "components.json")) && !options.force ) { projectSpinner?.fail(`A "components.json" file already exists at ${options.cwd}.`) throw new Error(`A "components.json" file already exists at ${options.cwd}.\nTo start over, remove the "components.json" file and run "init" again.`) } projectSpinner?.succeed() const frameworkSpinner = spinner(`Verifying framework.`, extra, "framework").start() const projectInfo = await getProjectInfo(options.cwd) if (!projectInfo || projectInfo?.framework.name === "manual") { errors[ERRORS.UNSUPPORTED_FRAMEWORK] = true frameworkSpinner?.fail() logger.break() if (projectInfo?.framework.links.installation) { logger.error( `We could not detect a supported framework at ${options.cwd}.\n` + `Visit ${projectInfo?.framework.links.installation} to manually configure your project.\nOnce configured, you can use the cli to add components.` ) } logger.break() throw new Error(`No Tailwind CSS configuration or import alias found in your project at ${options.cwd}.`) } frameworkSpinner?.succeed( `Verifying framework. Found ${projectInfo.framework.label}.` ) const tailwindSpinner = spinner("Validating Tailwind CSS.", extra, "tailwind").start() if ( projectInfo.tailwindVersion === "v3" && (!projectInfo?.tailwindConfigFile || !projectInfo?.tailwindCssFile) ) { errors[ERRORS.TAILWIND_NOT_CONFIGURED] = true tailwindSpinner?.fail() } else if ( projectInfo.tailwindVersion === "v4" && !projectInfo?.tailwindCssFile ) { errors[ERRORS.TAILWIND_NOT_CONFIGURED] = true tailwindSpinner?.fail() } else if (!projectInfo.tailwindVersion) { errors[ERRORS.TAILWIND_NOT_CONFIGURED] = true tailwindSpinner?.fail() } else { tailwindSpinner?.succeed() } const tsConfigSpinner = spinner(`Validating import alias.`, extra, "tsconfig").start() if (!projectInfo?.aliasPrefix) { errors[ERRORS.IMPORT_ALIAS_MISSING] = true tsConfigSpinner?.fail() } else { tsConfigSpinner?.succeed() } if (Object.keys(errors).length > 0) { if (errors[ERRORS.TAILWIND_NOT_CONFIGURED]) { logger.break() logger.error( `No Tailwind CSS configuration found at ${options.cwd}.` ) logger.error( `It is likely you do not have Tailwind CSS installed or have an invalid configuration.` ) logger.error(`Install Tailwind CSS then try again.`) if (projectInfo?.framework.links.tailwind) { logger.error( `Visit ${projectInfo?.framework.links.tailwind} to get started.` ) } } if (errors[ERRORS.IMPORT_ALIAS_MISSING]) { logger.break() logger.error(`No import alias found in your tsconfig.json file.`) if (projectInfo?.framework.links.installation) { logger.error( `Visit ${projectInfo?.framework.links.installation} to learn how to set an import alias.` ) } } logger.break() throw new Error('') } return { errors, projectInfo, } }