{"version":3,"sources":["../../src/context.ts","../../src/lib/internal/UnirendContext/context.ts","../../src/lib/internal/UnirendHead/context.ts"],"sourcesContent":["/**\n * Shared context objects for unirend.\n *\n * This entry point exists solely to guarantee that UnirendContext and\n * UnirendHeadContext are created exactly once at runtime. Both unirend/client\n * and unirend/server reference this subpath as an external import so that the\n * consuming bundler (Vite, webpack, etc.) deduplicates it — preventing the\n * duplicate createContext() calls that would break Provider/hook communication\n * in SSR bundles.\n *\n * Not intended for direct use by application code.\n */\nexport * from './lib/internal/UnirendContext/context';\nexport * from './lib/internal/UnirendHead/context';\n","import { createContext } from 'react';\nimport type { ReactNode } from 'react';\nimport type { DomainInfo } from '../domain-info';\n\n/**\n * Render mode type - SSR, SSG, or Client\n * - \"ssr\": Server-Side Rendering (runtime server rendering)\n * - \"ssg\": Static Site Generation (build-time server rendering)\n * - \"client\": Client-side execution (SPA or after a SSG build/SSR page hydration occurs)\n */\nexport type UnirendRenderMode = 'ssr' | 'ssg' | 'client';\n\n/**\n * Type guard to check if request has SSR helpers with request context\n */\nexport function hasSSRRequestContext(request: Request): request is Request & {\n SSRHelpers: {\n fastifyRequest: { requestContext: Record };\n };\n} {\n if (!('SSRHelpers' in request)) {\n return false;\n }\n\n const helpers = (request as Request & { SSRHelpers: unknown }).SSRHelpers;\n\n if (typeof helpers !== 'object' || helpers === null) {\n return false;\n }\n\n if (!('fastifyRequest' in helpers)) {\n return false;\n }\n\n const fastifyReq = (helpers as { fastifyRequest: unknown }).fastifyRequest;\n\n if (typeof fastifyReq !== 'object' || fastifyReq === null) {\n return false;\n }\n\n if (!('requestContext' in fastifyReq)) {\n return false;\n }\n\n const reqCtx = (fastifyReq as { requestContext: unknown }).requestContext;\n return typeof reqCtx === 'object' && reqCtx !== null;\n}\n\n/**\n * Type guard to check if request has SSG helpers with request context\n */\nexport function hasSSGRequestContext(request: Request): request is Request & {\n SSGHelpers: { requestContext: Record };\n} {\n if (!('SSGHelpers' in request)) {\n return false;\n }\n\n const helpers = (request as Request & { SSGHelpers: unknown }).SSGHelpers;\n if (typeof helpers !== 'object' || helpers === null) {\n return false;\n }\n\n if (!('requestContext' in helpers)) {\n return false;\n }\n\n const reqCtx = (helpers as { requestContext: unknown }).requestContext;\n return typeof reqCtx === 'object' && reqCtx !== null;\n}\n\n/**\n * Type guard to check if window has request context\n */\nexport function hasWindowRequestContext(): boolean {\n if (typeof window === 'undefined') {\n return false;\n }\n\n // eslint-disable-next-line @typescript-eslint/naming-convention\n const ctx = (window as Window & { __FRONTEND_REQUEST_CONTEXT__?: unknown })\n .__FRONTEND_REQUEST_CONTEXT__;\n\n return '__FRONTEND_REQUEST_CONTEXT__' in window && typeof ctx === 'object';\n}\n\n/**\n * Helper to get a value from request context storage\n * Works across SSR, SSG, and client environments\n */\nexport function getRequestContextValue(\n context: UnirendContextValue,\n key: string,\n): unknown {\n if (context.fetchRequest && hasSSRRequestContext(context.fetchRequest)) {\n // SSR: Read from fastify request context\n return context.fetchRequest.SSRHelpers.fastifyRequest.requestContext[key];\n } else if (\n context.fetchRequest &&\n hasSSGRequestContext(context.fetchRequest)\n ) {\n // SSG: Read from SSG request context\n return context.fetchRequest.SSGHelpers.requestContext[key];\n } else if (hasWindowRequestContext()) {\n // Client: Read from window global\n return (\n window as unknown as {\n // eslint-disable-next-line @typescript-eslint/naming-convention\n __FRONTEND_REQUEST_CONTEXT__: Record;\n }\n ).__FRONTEND_REQUEST_CONTEXT__[key];\n } else {\n // No context available\n return undefined;\n }\n}\n\n/**\n * Helper to set a value in request context storage\n * Works across SSR, SSG, and client environments\n * Automatically increments the revision counter to trigger reactivity\n */\nexport function setRequestContextValue(\n context: UnirendContextValue,\n key: string,\n value: unknown,\n): void {\n if (context.fetchRequest && hasSSRRequestContext(context.fetchRequest)) {\n // SSR: Write to fastify request context\n context.fetchRequest.SSRHelpers.fastifyRequest.requestContext[key] = value;\n incrementContextRevision(context);\n } else if (\n context.fetchRequest &&\n hasSSGRequestContext(context.fetchRequest)\n ) {\n // SSG: Write to SSG request context\n context.fetchRequest.SSGHelpers.requestContext[key] = value;\n incrementContextRevision(context);\n } else if (hasWindowRequestContext()) {\n // Client: Write to window global\n (\n window as unknown as {\n // eslint-disable-next-line @typescript-eslint/naming-convention\n __FRONTEND_REQUEST_CONTEXT__: Record;\n }\n ).__FRONTEND_REQUEST_CONTEXT__[key] = value;\n incrementContextRevision(context);\n } else {\n // No context available - create one on window for client-side\n if (typeof window !== 'undefined') {\n (\n window as unknown as {\n // eslint-disable-next-line @typescript-eslint/naming-convention\n __FRONTEND_REQUEST_CONTEXT__?: Record;\n }\n ).__FRONTEND_REQUEST_CONTEXT__ = { [key]: value };\n incrementContextRevision(context);\n } else {\n // Server-side with no context - this shouldn't happen in normal usage\n throw new TypeError(\n 'Cannot set request context: no context available (server-side without SSR/SSG helpers)',\n );\n }\n }\n}\n\n/**\n * Helper to increment the request context revision counter\n * Reads the current revision from context, parses it, and generates a new unique revision\n * Format: `${timestamp}-${counter}` (e.g., \"1729123456789-0\", \"1729123456789-1\")\n */\nexport function incrementContextRevision(context: UnirendContextValue): void {\n const currentRevision = context.requestContextRevision || '0-0';\n const [timestampStr, counterStr] = currentRevision.split('-');\n const lastTimestamp = parseInt(timestampStr, 10);\n const lastCounter = parseInt(counterStr, 10);\n\n const now = Date.now();\n\n // If we're in a new millisecond, reset counter to 0\n // Otherwise, increment the counter\n if (now !== lastTimestamp) {\n context.requestContextRevision = `${now}-0`;\n } else {\n context.requestContextRevision = `${now}-${lastCounter + 1}`;\n }\n}\n\n/**\n * Unirend context value type\n */\nexport interface UnirendContextValue {\n /**\n * The render mode:\n * - 'ssr': Server-Side Rendering\n * - 'ssg': Static Site Generation\n * - 'client': Client-side execution (SPA or after a SSG build/SSR page hydration occurs)\n */\n renderMode: UnirendRenderMode;\n\n /**\n * Whether the app is running in development mode\n */\n isDevelopment: boolean;\n\n /**\n * The Fetch API Request object (available during SSR/SSG rendering)\n * Undefined on client-side after hydration\n */\n fetchRequest?: Request;\n\n /**\n * Public application configuration\n * This is a frozen (immutable) copy of the config passed to the server\n * Available on 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*/\n requestContextRevision?: string;\n}\n\n/**\n * Default context value (React requirement for createContext)\n *\n * In practice, this default is rarely used because:\n * - Server (SSR/SSG): Provides proper context values during rendering\n * - Client: mountApp() reads window.__PUBLIC_APP_CONFIG__ and provides proper values\n *\n * This default only applies if context is accessed outside of proper providers,\n * which shouldn't happen in normal usage.\n */\nconst defaultContextValue: UnirendContextValue = {\n renderMode: 'client', // Default to client-only (SSR/SSG override this)\n isDevelopment: false, // Default to production\n fetchRequest: undefined,\n publicAppConfig: undefined, // mountApp() reads from window.__PUBLIC_APP_CONFIG__\n requestContextRevision: '0-0', // Initial revision\n};\n\n/**\n * React context for Unirend\n */\nexport const UnirendContext =\n createContext(defaultContextValue);\n\n/**\n * Provider props\n */\nexport interface UnirendProviderProps {\n children: ReactNode;\n value: UnirendContextValue;\n}\n\n/**\n * Request context management interface\n */\nexport interface RequestContextManager {\n /**\n * Get a value from the request context\n * @param key - The key to retrieve\n * @returns The value associated with the key, or undefined if not found\n */\n get: (key: string) => unknown;\n\n /**\n * Set a value in the request context\n * @param key - The key to set\n * @param value - The value to associate with the key\n */\n set: (key: string, value: unknown) => void;\n\n /**\n * Check if a key exists in the request context\n * @param key - The key to check\n * @returns true if the key exists, false otherwise\n */\n has: (key: string) => boolean;\n\n /**\n * Delete a value from the request context\n * @param key - The key to delete\n * @returns true if the key existed and was deleted, false if it didn't exist\n */\n delete: (key: string) => boolean;\n\n /**\n * Clear all values from the request context\n * @returns The number of keys that were cleared\n */\n clear: () => number;\n\n /**\n * Get all keys from the request context\n * @returns An array of all keys\n */\n keys: () => string[];\n\n /**\n * Get the number of entries in the request context\n * @returns The number of key-value pairs\n */\n size: () => number;\n}\n\n/**\n * Helper to get the entire request context object\n * Works across SSR, SSG, and client environments\n */\nexport function getRequestContextObject(\n context: UnirendContextValue,\n): Record | undefined {\n if (context.fetchRequest && hasSSRRequestContext(context.fetchRequest)) {\n // SSR: Read from fastify request context\n return context.fetchRequest.SSRHelpers.fastifyRequest.requestContext;\n } else if (\n context.fetchRequest &&\n hasSSGRequestContext(context.fetchRequest)\n ) {\n // SSG: Read from SSG request context\n return context.fetchRequest.SSGHelpers.requestContext;\n } else if (hasWindowRequestContext()) {\n // Client: Read from window global\n return (\n window as 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