/**
 * Framework detection types.
 *
 * These types define the contract between detection, adapters, and packaging.
 * The detection system identifies what JS framework a project uses,
 * and adapters know how to build and launch each framework.
 */
/**
 * Framework identifier.
 *
 * This is a string rather than a union type because the framework database
 * (derived from @vercel/frameworks) contains 25+ slugs and may grow.
 * Special values:
 * - 'generic' — Fallback: has package.json with build/start scripts
 */
export type FrameworkName = string;
/**
 * Runtime that executes the built application.
 */
export type RuntimeName = 'node' | 'bun';
/**
 * Package manager detected or preferred.
 */
export type PackageManager = 'bun' | 'npm' | 'pnpm' | 'yarn';
/**
 * Result of framework detection.
 *
 * This is the output of the detect phase and input to the adapter/build phase.
 */
export interface DetectedFramework {
    /** Framework identifier */
    name: FrameworkName;
    /** Human-readable framework version (e.g., "15.3.0" for Next.js) */
    version?: string;
    /** Runtime that runs the production server */
    runtime: RuntimeName;
    /** Detected package manager */
    packageManager: PackageManager;
    /** The build command to execute (e.g., "next build", "vite build") */
    buildCommand: string;
    /** Directory where build output is written (relative to project root) */
    buildOutput: string;
    /** Command to start the production server (only for mode='server') */
    startCommand?: string;
    /** Commands that generate framework virtual TypeScript files before tsc runs. */
    typegenCommand?: string | string[];
    /** Packages required by the built runtime even if installed locally as devDependencies. */
    runtimeDependencies?: string[];
    /** Dev dependencies to install transiently before build without persisting to package.json. */
    buildPreinstallDevDependencies?: string[];
    /** Temporary source-file replacements applied before build and reverted after build. */
    buildFileReplacements?: Array<{
        path: string;
        search: string;
        replacement: string;
    }>;
    /** Server entrypoint file (relative to buildOutput) */
    serverEntry?: string;
    /**
     * Static/CDN asset directory (relative to project root).
     * After the build runs, this directory contains files suitable for CDN upload.
     * For pure SSGs/SPAs this equals buildOutput (entire output is static).
     * For SSR frameworks this is a subdirectory (e.g., `.next/static`, `.output/public`).
     */
    staticDir?: string;
    /** Environment variables needed at build time */
    buildEnv?: Record<string, string>;
    /** Port the app listens on (default: 3000) */
    port?: number;
    /** Detection confidence: 'high' if config file found, 'low' if inferred */
    confidence: 'high' | 'medium' | 'low';
    /**
     * Non-fatal advisories surfaced to the user at build/deploy time
     * (e.g. a framework that needs a server adapter the project hasn't
     * installed). Empty/undefined when there's nothing to flag.
     */
    warnings?: string[];
}
/**
 * A single framework detector.
 *
 * Each detector examines the project directory and returns a DetectedFramework
 * if it recognizes the project, or null if it doesn't apply.
 */
export interface FrameworkDetector {
    /** Framework this detector handles */
    name: FrameworkName;
    /** Priority (lower = checked first). Specific frameworks before generic. */
    priority: number;
    /**
     * Examine the project and return detection result, or null if not applicable.
     */
    detect(projectDir: string, packageJson: PackageJsonData): Promise<DetectedFramework | null>;
}
/**
 * Parsed package.json data relevant to detection.
 */
export interface PackageJsonData {
    name?: string;
    version?: string;
    scripts?: Record<string, string>;
    dependencies?: Record<string, string>;
    devDependencies?: Record<string, string>;
    main?: string;
    module?: string;
    type?: string;
    engines?: Record<string, string>;
}
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