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@langchain/langgraph-sdk

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Client library for interacting with the LangGraph API

github.com/langchain-ai/langgraphjs

langchain-ai/langgraphjs

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{"version":3,"file":"types.cjs","names":[],"sources":["../../src/react-ui/types.ts"],"sourcesContent":["export interface UIMessage<\n TName extends string = string,\n TProps extends Record<string, unknown> = Record<string, unknown>,\n> {\n type: \"ui\";\n\n id: string;\n name: TName;\n props: TProps;\n metadata?: {\n merge?: boolean;\n run_id?: string;\n name?: string;\n tags?: string[];\n id?: string;\n [key: string]: unknown;\n };\n}\n\nexport interface RemoveUIMessage {\n type: \"remove-ui\";\n id: string;\n}\n\nexport function isUIMessage(message: unknown): message is UIMessage {\n if (typeof message !== \"object\" || message == null) return false;\n if (!(\"type\" in message)) return false;\n return message.type === \"ui\";\n}\n\nexport function isRemoveUIMessage(\n message: unknown\n): message is RemoveUIMessage {\n if (typeof message !== \"object\" || message == null) return false;\n if (!(\"type\" in message)) return false;\n return message.type === \"remove-ui\";\n}\n\nexport function uiMessageReducer(\n state: UIMessage[],\n update: UIMessage | RemoveUIMessage | (UIMessage | RemoveUIMessage)[]\n) {\n const events = Array.isArray(update) ? update : [update];\n let newState = state.slice();\n\n for (const event of events) {\n if (event.type === \"remove-ui\") {\n newState = newState.filter((ui) => ui.id !== event.id);\n continue;\n }\n\n const index = state.findIndex((ui) => ui.id === event.id);\n if (index !== -1) {\n newState[index] =\n typeof event.metadata === \"object\" &&\n event.metadata != null &&\n event.metadata.merge\n ? { ...event, props: { ...state[index].props, ...event.props } }\n : event;\n } else {\n newState.push(event);\n }\n }\n\n return newState;\n}\n"],"mappings":";AAwBA,SAAgB,YAAY,SAAwC;AAClE,KAAI,OAAO,YAAY,YAAY,WAAW,KAAM,QAAO;AAC3D,KAAI,EAAE,UAAU,SAAU,QAAO;AACjC,QAAO,QAAQ,SAAS;;AAG1B,SAAgB,kBACd,SAC4B;AAC5B,KAAI,OAAO,YAAY,YAAY,WAAW,KAAM,QAAO;AAC3D,KAAI,EAAE,UAAU,SAAU,QAAO;AACjC,QAAO,QAAQ,SAAS;;AAG1B,SAAgB,iBACd,OACA,QACA;CACA,MAAM,SAAS,MAAM,QAAQ,OAAO,GAAG,SAAS,CAAC,OAAO;CACxD,IAAI,WAAW,MAAM,OAAO;AAE5B,MAAK,MAAM,SAAS,QAAQ;AAC1B,MAAI,MAAM,SAAS,aAAa;AAC9B,cAAW,SAAS,QAAQ,OAAO,GAAG,OAAO,MAAM,GAAG;AACtD;;EAGF,MAAM,QAAQ,MAAM,WAAW,OAAO,GAAG,OAAO,MAAM,GAAG;AACzD,MAAI,UAAU,GACZ,UAAS,SACP,OAAO,MAAM,aAAa,YAC1B,MAAM,YAAY,QAClB,MAAM,SAAS,QACX;GAAE,GAAG;GAAO,OAAO;IAAE,GAAG,MAAM,OAAO;IAAO,GAAG,MAAM;IAAO;GAAE,GAC9D;MAEN,UAAS,KAAK,MAAM;;AAIxB,QAAO"}