Prisma MCP Server

import packageJson from '../package.json' import type { PrismaInstrumentationGlobalValue, TracingHelper } from './types' const majorVersion = packageJson.version.split('.')[0] const GLOBAL_INSTRUMENTATION_KEY = 'PRISMA_INSTRUMENTATION' const GLOBAL_VERSIONED_INSTRUMENTATION_KEY = `V${majorVersion}_PRISMA_INSTRUMENTATION` as const type GlobalThisWithPrismaInstrumentation = typeof globalThis & { [GLOBAL_INSTRUMENTATION_KEY]?: PrismaInstrumentationGlobalValue } & { [K in typeof GLOBAL_VERSIONED_INSTRUMENTATION_KEY]?: PrismaInstrumentationGlobalValue } const globalThisWithPrismaInstrumentation = globalThis as GlobalThisWithPrismaInstrumentation /** * Returns the TracingHelper from the global instrumentation if available, * preferring the versioned global over the fallback global for compatibility. */ export function getGlobalTracingHelper(): TracingHelper | undefined { // Try versioned global first for major version isolation const versionedGlobal = globalThisWithPrismaInstrumentation[GLOBAL_VERSIONED_INSTRUMENTATION_KEY] if (versionedGlobal?.helper) { return versionedGlobal.helper } // Fall back to unversioned global for backwards compatibility // TODO(v8): Consider removing the fallback in future major versions const fallbackGlobal = globalThisWithPrismaInstrumentation[GLOBAL_INSTRUMENTATION_KEY] return fallbackGlobal?.helper } /** * Sets the global tracing helper. This is called by @prisma/instrumentation * when instrumentation is enabled. */ export function setGlobalTracingHelper(helper: TracingHelper): void { const globalValue: PrismaInstrumentationGlobalValue = { helper } // Set both versioned and unversioned globals for compatibility // TODO(v8): Consider only writing to the versioned global in future major versions globalThisWithPrismaInstrumentation[GLOBAL_VERSIONED_INSTRUMENTATION_KEY] = globalValue globalThisWithPrismaInstrumentation[GLOBAL_INSTRUMENTATION_KEY] = globalValue } /** * Clears the global tracing helper. This is called by @prisma/instrumentation * when instrumentation is disabled. */ export function clearGlobalTracingHelper(): void { delete globalThisWithPrismaInstrumentation[GLOBAL_VERSIONED_INSTRUMENTATION_KEY] delete globalThisWithPrismaInstrumentation[GLOBAL_INSTRUMENTATION_KEY] }