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Don't show it in the UI unless there are existing\n * incoming wires.\n */\n | \"deprecated\"\n /**\n * Indicates that this particular input port value should not be cached by\n * the input bubbling machinery.\n * Use this when you'd like to continually ask the user for the same input,\n * rather that re-using cached answer (default behavior).\n */\n | \"transient\"\n /**\n * Indicates that the output node should bubble up to the invoking runner,\n * if any.\n * This is useful for sending outputs to the user from inside of the nested\n * graphs.\n */\n | \"bubble\"\n /**\n * Indicates that the input our output port is a `BoardCapability`.\n * @see [BoardCapability]\n */\n | \"board\"\n /**\n * Indicates that the input or output port is a `StreamCapability`.\n * @see [StreamCapability]\n */\n | \"stream\"\n /**\n * Indicates that the input or output port is an `ErrorCapability`.\n * @see [ErrorCapability]\n */\n | \"error\"\n /**\n * Indicates that the input port is usually configured, rather than wired in.\n */\n | \"config\"\n /**\n * Indicates that the input or output port represents base structured\n * datatype containing multi-part content of a message, generated by an LLM.\n * See [Content](https://ai.google.dev/api/rest/v1beta/Content) for details\n * on the datatype.\n */\n | \"llm-content\"\n /**\n * Indicates that the input or output port represents a JSON schema.\n */\n | \"json-schema\"\n /**\n * Indicates that the input or output port represents a JSON schema that\n * describes an input or output port.\n */\n | \"ports-spec\"\n /**\n * Indicates that the input or output port represents an image. The image can\n * be a URL or a base64 encoded image.\n */\n | \"image\"\n /**\n * Indicates that the input or output represents some sort of code\n */\n | \"code\";\n\nexport type Schema = {\n title?: string;\n description?: string;\n type?: string | string[];\n properties?: Record;\n required?: string[];\n format?: string;\n /**\n * Can be used to provide additional hints to the UI or to other parts of\n * the system about behavior of this particular input/output or input/output\n * port.\n */\n behavior?: BehaviorSchema[];\n transient?: boolean;\n enum?: string[];\n /**\n * The default value of the schema. The UI can use this to pre-populate a\n * field with a value, if there is no `examples` present.\n */\n default?: string;\n additionalProperties?: boolean | Schema;\n items?: Schema | Schema[];\n minItems?: number;\n /**\n * Can be used by UI to pre-populate a field with a value that could be\n * used as an example.\n */\n examples?: string[];\n};\n\nexport type InvokeFunction = (inputs: InputValues) => Promise;\nexport type DescribeFunction = (\n inputs?: InputValues,\n) => Promise | NodeDescriberResult;\n\nexport type ServiceOptions = {\n private?: boolean;\n};\n\nexport const boardFromDescriberResult = (\n $service: string,\n describe: NodeDescriberResult,\n options?: ServiceOptions,\n) => {\n const nodes: any[] = [\n {\n id: \"input\",\n type: \"input\",\n configuration: { schema: describe.inputSchema },\n },\n {\n id: \"output\",\n type: \"output\",\n configuration: { schema: describe.outputSchema },\n },\n {\n id: \"service\",\n type: \"service\",\n configuration: { $service },\n metadata: { title: describe.title },\n },\n ];\n const edges: any[] = [];\n Object.entries(describe.inputSchema.properties).forEach(([key, value]) => {\n edges.push({ from: \"input\", out: key, to: \"service\", in: key });\n });\n Object.entries(describe.outputSchema.properties).forEach(([key, value]) => {\n edges.push({ from: \"service\", out: key, to: \"output\", in: key });\n });\n if (options?.private) {\n nodes.push({\n id: \"secret\",\n type: \"secrets\",\n configuration: {\n keys: [\"BB_SERVICE_KEY\"],\n },\n });\n edges.push({\n from: \"secret\",\n out: \"BB_SERVICE_KEY\",\n to: \"service\",\n in: \"$key\",\n });\n }\n return {\n title: describe.title,\n description: describe.description,\n nodes,\n edges,\n };\n};\n\nexport const addKeyInput = (describeResult: NodeDescriberResult) => {\n const inputSchema = describeResult.inputSchema;\n const properties = inputSchema.properties;\n if (properties) {\n properties.$key = {\n type: \"string\",\n title: \"Service Key\",\n description: \"The key to access the service\",\n };\n }\n inputSchema.required ??= [];\n inputSchema.required.push(\"$key\");\n};\n\nexport const service = (\n describe: DescribeFunction,\n invoke: InvokeFunction,\n options?: ServiceOptions,\n) => {\n return async function(req: Request): Promise {\n const url = new URL(req.url);\n const path = url.pathname;\n const method = req.method;\n\n if (method === \"GET\") {\n if (path === \"/bgl\") {\n const serviceURL = new URL(url);\n url.pathname = \"\";\n return Response.json(\n boardFromDescriberResult(url.href, await describe(), options),\n );\n }\n return new Response(\n ``,\n {\n headers: {\n \"Content-Type\": \"text/html\",\n },\n },\n );\n }\n\n if (method !== \"POST\") {\n return new Response(\"Method Not Allowed\", { status: 405 });\n }\n\n if (path === \"/describe\") {\n let inputs;\n try {\n inputs = await req.json();\n } catch {\n // eat the error\n }\n const describeResult = await describe(inputs);\n if (options?.private) {\n addKeyInput(describeResult);\n }\n return Response.json(describeResult);\n }\n\n if (path === \"/invoke\") {\n const inputs = await req.json();\n if (options?.private) {\n if (!inputs.$key || inputs.$key != Deno.env.get(\"BB_SERVICE_KEY\")) {\n return Response.json({\n $error: \"Must provide an API key to access the service.\",\n });\n }\n }\n delete inputs.$key;\n return Response.json(await invoke(inputs));\n }\n };\n};","deleted","label",[98],"permalink","https://www.val.town/x/dglazkov/servicefactory/code/main.tsx","extension","actionData","errors"]