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@tanstack/start-server-core - npm Package Compare versions

Comparing version
1.167.1
to
1.167.2
+5
-3
dist/esm/server-functions-handler.js

@@ -5,4 +5,3 @@ import { getResponse } from "./request-response.js";

import { TSS_FORMDATA_CONTEXT, X_TSS_RAW_RESPONSE, X_TSS_SERIALIZED, getDefaultSerovalPlugins, safeObjectMerge } from "@tanstack/start-client-core";
import { createRawStreamRPCPlugin, isNotFound, isRedirect } from "@tanstack/router-core";
import invariant from "tiny-invariant";
import { createRawStreamRPCPlugin, invariant, isNotFound, isRedirect } from "@tanstack/router-core";
import { fromJSON, toCrossJSONAsync, toCrossJSONStream } from "seroval";

@@ -32,3 +31,6 @@ //#region src/server-functions-handler.ts

if (FORM_DATA_CONTENT_TYPES.some((type) => contentType && contentType.includes(type))) {
invariant(methodUpper !== "GET", "GET requests with FormData payloads are not supported");
if (methodUpper === "GET") {
if (process.env.NODE_ENV !== "production") throw new Error("Invariant failed: GET requests with FormData payloads are not supported");
invariant();
}
const formData = await request.formData();

@@ -35,0 +37,0 @@ const serializedContext = formData.get(TSS_FORMDATA_CONTEXT);

@@ -1,1 +0,1 @@

{"version":3,"file":"server-functions-handler.js","names":[],"sources":["../../src/server-functions-handler.ts"],"sourcesContent":["import {\n createRawStreamRPCPlugin,\n isNotFound,\n isRedirect,\n} from '@tanstack/router-core'\nimport invariant from 'tiny-invariant'\nimport {\n TSS_FORMDATA_CONTEXT,\n X_TSS_RAW_RESPONSE,\n X_TSS_SERIALIZED,\n getDefaultSerovalPlugins,\n safeObjectMerge,\n} from '@tanstack/start-client-core'\nimport { fromJSON, toCrossJSONAsync, toCrossJSONStream } from 'seroval'\nimport { getResponse } from './request-response'\nimport { getServerFnById } from './getServerFnById'\nimport {\n TSS_CONTENT_TYPE_FRAMED_VERSIONED,\n createMultiplexedStream,\n} from './frame-protocol'\nimport type { Plugin as SerovalPlugin } from 'seroval'\n\n// Cache serovalPlugins at module level to avoid repeated calls\nlet serovalPlugins: Array<SerovalPlugin<any, any>> | undefined = undefined\n\n// Cache TextEncoder for NDJSON serialization\nconst textEncoder = new TextEncoder()\n\n// Known FormData 'Content-Type' header values - module-level constant\nconst FORM_DATA_CONTENT_TYPES = [\n 'multipart/form-data',\n 'application/x-www-form-urlencoded',\n]\n\n// Maximum payload size for GET requests (1MB)\nconst MAX_PAYLOAD_SIZE = 1_000_000\n\nexport const handleServerAction = async ({\n request,\n context,\n serverFnId,\n}: {\n request: Request\n context: any\n serverFnId: string\n}) => {\n const method = request.method\n const methodUpper = method.toUpperCase()\n const url = new URL(request.url)\n\n const action = await getServerFnById(serverFnId, { fromClient: true })\n\n // Early method check: reject mismatched HTTP methods before parsing\n // the request payload (FormData, JSON, query string, etc.)\n if (action.method && methodUpper !== action.method) {\n return new Response(\n `expected ${action.method} method. Got ${methodUpper}`,\n {\n status: 405,\n headers: {\n Allow: action.method,\n },\n },\n )\n }\n\n const isServerFn = request.headers.get('x-tsr-serverFn') === 'true'\n\n // Initialize serovalPlugins lazily (cached at module level)\n if (!serovalPlugins) {\n serovalPlugins = getDefaultSerovalPlugins()\n }\n\n const contentType = request.headers.get('Content-Type')\n\n function parsePayload(payload: any) {\n const parsedPayload = fromJSON(payload, { plugins: serovalPlugins })\n return parsedPayload as any\n }\n\n const response = await (async () => {\n try {\n let res = await (async () => {\n // FormData\n if (\n FORM_DATA_CONTENT_TYPES.some(\n (type) => contentType && contentType.includes(type),\n )\n ) {\n // We don't support GET requests with FormData payloads... that seems impossible\n invariant(\n methodUpper !== 'GET',\n 'GET requests with FormData payloads are not supported',\n )\n const formData = await request.formData()\n const serializedContext = formData.get(TSS_FORMDATA_CONTEXT)\n formData.delete(TSS_FORMDATA_CONTEXT)\n\n const params = {\n context,\n data: formData,\n method: methodUpper,\n }\n if (typeof serializedContext === 'string') {\n try {\n const parsedContext = JSON.parse(serializedContext)\n const deserializedContext = fromJSON(parsedContext, {\n plugins: serovalPlugins,\n })\n if (\n typeof deserializedContext === 'object' &&\n deserializedContext\n ) {\n params.context = safeObjectMerge(\n context,\n deserializedContext as Record<string, unknown>,\n )\n }\n } catch (e) {\n // Log warning for debugging but don't expose to client\n if (process.env.NODE_ENV === 'development') {\n console.warn('Failed to parse FormData context:', e)\n }\n }\n }\n\n return await action(params)\n }\n\n // Get requests use the query string\n if (methodUpper === 'GET') {\n // Get payload directly from searchParams\n const payloadParam = url.searchParams.get('payload')\n // Reject oversized payloads to prevent DoS\n if (payloadParam && payloadParam.length > MAX_PAYLOAD_SIZE) {\n throw new Error('Payload too large')\n }\n // If there's a payload, we should try to parse it\n const payload: any = payloadParam\n ? parsePayload(JSON.parse(payloadParam))\n : {}\n payload.context = safeObjectMerge(context, payload.context)\n payload.method = methodUpper\n // Send it through!\n return await action(payload)\n }\n\n let jsonPayload\n if (contentType?.includes('application/json')) {\n jsonPayload = await request.json()\n }\n\n const payload = jsonPayload ? parsePayload(jsonPayload) : {}\n payload.context = safeObjectMerge(payload.context, context)\n payload.method = methodUpper\n return await action(payload)\n })()\n\n const unwrapped = res.result || res.error\n\n if (isNotFound(res)) {\n res = isNotFoundResponse(res)\n }\n\n if (!isServerFn) {\n return unwrapped\n }\n\n if (unwrapped instanceof Response) {\n if (isRedirect(unwrapped)) {\n return unwrapped\n }\n unwrapped.headers.set(X_TSS_RAW_RESPONSE, 'true')\n return unwrapped\n }\n\n return serializeResult(res)\n\n function serializeResult(res: unknown): Response {\n let nonStreamingBody: any = undefined\n\n const alsResponse = getResponse()\n if (res !== undefined) {\n // Collect raw streams encountered during serialization\n const rawStreams = new Map<number, ReadableStream<Uint8Array>>()\n const rawStreamPlugin = createRawStreamRPCPlugin(\n (id: number, stream: ReadableStream<Uint8Array>) => {\n rawStreams.set(id, stream)\n },\n )\n\n // Build plugins with RawStreamRPCPlugin first (before default SSR plugin)\n const plugins = [rawStreamPlugin, ...(serovalPlugins || [])]\n\n // first run without the stream in case `result` does not need streaming\n let done = false as boolean\n const callbacks: {\n onParse: (value: any) => void\n onDone: () => void\n onError: (error: any) => void\n } = {\n onParse: (value) => {\n nonStreamingBody = value\n },\n onDone: () => {\n done = true\n },\n onError: (error) => {\n throw error\n },\n }\n toCrossJSONStream(res, {\n refs: new Map(),\n plugins,\n onParse(value) {\n callbacks.onParse(value)\n },\n onDone() {\n callbacks.onDone()\n },\n onError: (error) => {\n callbacks.onError(error)\n },\n })\n\n // If no raw streams and done synchronously, return simple JSON\n if (done && rawStreams.size === 0) {\n return new Response(\n nonStreamingBody ? JSON.stringify(nonStreamingBody) : undefined,\n {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n headers: {\n 'Content-Type': 'application/json',\n [X_TSS_SERIALIZED]: 'true',\n },\n },\n )\n }\n\n // If we have raw streams, use framed protocol\n if (rawStreams.size > 0) {\n // Create a stream of JSON chunks (NDJSON style)\n const jsonStream = new ReadableStream<string>({\n start(controller) {\n callbacks.onParse = (value) => {\n controller.enqueue(JSON.stringify(value) + '\\n')\n }\n callbacks.onDone = () => {\n try {\n controller.close()\n } catch {\n // Already closed\n }\n }\n callbacks.onError = (error) => controller.error(error)\n // Emit initial body if we have one\n if (nonStreamingBody !== undefined) {\n callbacks.onParse(nonStreamingBody)\n }\n },\n })\n\n // Create multiplexed stream with JSON and raw streams\n const multiplexedStream = createMultiplexedStream(\n jsonStream,\n rawStreams,\n )\n\n return new Response(multiplexedStream, {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n headers: {\n 'Content-Type': TSS_CONTENT_TYPE_FRAMED_VERSIONED,\n [X_TSS_SERIALIZED]: 'true',\n },\n })\n }\n\n // No raw streams but not done yet - use standard NDJSON streaming\n const stream = new ReadableStream({\n start(controller) {\n callbacks.onParse = (value) =>\n controller.enqueue(\n textEncoder.encode(JSON.stringify(value) + '\\n'),\n )\n callbacks.onDone = () => {\n try {\n controller.close()\n } catch (error) {\n controller.error(error)\n }\n }\n callbacks.onError = (error) => controller.error(error)\n // stream initial body\n if (nonStreamingBody !== undefined) {\n callbacks.onParse(nonStreamingBody)\n }\n },\n })\n return new Response(stream, {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n headers: {\n 'Content-Type': 'application/x-ndjson',\n [X_TSS_SERIALIZED]: 'true',\n },\n })\n }\n\n return new Response(undefined, {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n })\n }\n } catch (error: any) {\n if (error instanceof Response) {\n return error\n }\n // else if (\n // isPlainObject(error) &&\n // 'result' in error &&\n // error.result instanceof Response\n // ) {\n // return error.result\n // }\n\n // Currently this server-side context has no idea how to\n // build final URLs, so we need to defer that to the client.\n // The client will check for __redirect and __notFound keys,\n // and if they exist, it will handle them appropriately.\n\n if (isNotFound(error)) {\n return isNotFoundResponse(error)\n }\n\n console.info()\n console.info('Server Fn Error!')\n console.info()\n console.error(error)\n console.info()\n\n const serializedError = JSON.stringify(\n await Promise.resolve(\n toCrossJSONAsync(error, {\n refs: new Map(),\n plugins: serovalPlugins,\n }),\n ),\n )\n const response = getResponse()\n return new Response(serializedError, {\n status: response.status ?? 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{"version":3,"file":"server-functions-handler.js","names":[],"sources":["../../src/server-functions-handler.ts"],"sourcesContent":["import {\n createRawStreamRPCPlugin,\n invariant,\n isNotFound,\n isRedirect,\n} from '@tanstack/router-core'\nimport {\n TSS_FORMDATA_CONTEXT,\n X_TSS_RAW_RESPONSE,\n X_TSS_SERIALIZED,\n getDefaultSerovalPlugins,\n safeObjectMerge,\n} from '@tanstack/start-client-core'\nimport { fromJSON, toCrossJSONAsync, toCrossJSONStream } from 'seroval'\nimport { getResponse } from './request-response'\nimport { getServerFnById } from './getServerFnById'\nimport {\n TSS_CONTENT_TYPE_FRAMED_VERSIONED,\n createMultiplexedStream,\n} from './frame-protocol'\nimport type { Plugin as SerovalPlugin } from 'seroval'\n\n// Cache serovalPlugins at module level to avoid repeated calls\nlet serovalPlugins: Array<SerovalPlugin<any, any>> | undefined = undefined\n\n// Cache TextEncoder for NDJSON serialization\nconst textEncoder = new TextEncoder()\n\n// Known FormData 'Content-Type' header values - module-level constant\nconst FORM_DATA_CONTENT_TYPES = [\n 'multipart/form-data',\n 'application/x-www-form-urlencoded',\n]\n\n// Maximum payload size for GET requests (1MB)\nconst MAX_PAYLOAD_SIZE = 1_000_000\n\nexport const handleServerAction = async ({\n request,\n context,\n serverFnId,\n}: {\n request: Request\n context: any\n serverFnId: string\n}) => {\n const method = request.method\n const methodUpper = method.toUpperCase()\n const url = new URL(request.url)\n\n const action = await getServerFnById(serverFnId, { fromClient: true })\n\n // Early method check: reject mismatched HTTP methods before parsing\n // the request payload (FormData, JSON, query string, etc.)\n if (action.method && methodUpper !== action.method) {\n return new Response(\n `expected ${action.method} method. Got ${methodUpper}`,\n {\n status: 405,\n headers: {\n Allow: action.method,\n },\n },\n )\n }\n\n const isServerFn = request.headers.get('x-tsr-serverFn') === 'true'\n\n // Initialize serovalPlugins lazily (cached at module level)\n if (!serovalPlugins) {\n serovalPlugins = getDefaultSerovalPlugins()\n }\n\n const contentType = request.headers.get('Content-Type')\n\n function parsePayload(payload: any) {\n const parsedPayload = fromJSON(payload, { plugins: serovalPlugins })\n return parsedPayload as any\n }\n\n const response = await (async () => {\n try {\n let res = await (async () => {\n // FormData\n if (\n FORM_DATA_CONTENT_TYPES.some(\n (type) => contentType && contentType.includes(type),\n )\n ) {\n // We don't support GET requests with FormData payloads... that seems impossible\n if (methodUpper === 'GET') {\n if (process.env.NODE_ENV !== 'production') {\n throw new Error(\n 'Invariant failed: GET requests with FormData payloads are not supported',\n )\n }\n\n invariant()\n }\n const formData = await request.formData()\n const serializedContext = formData.get(TSS_FORMDATA_CONTEXT)\n formData.delete(TSS_FORMDATA_CONTEXT)\n\n const params = {\n context,\n data: formData,\n method: methodUpper,\n }\n if (typeof serializedContext === 'string') {\n try {\n const parsedContext = JSON.parse(serializedContext)\n const deserializedContext = fromJSON(parsedContext, {\n plugins: serovalPlugins,\n })\n if (\n typeof deserializedContext === 'object' &&\n deserializedContext\n ) {\n params.context = safeObjectMerge(\n context,\n deserializedContext as Record<string, unknown>,\n )\n }\n } catch (e) {\n // Log warning for debugging but don't expose to client\n if (process.env.NODE_ENV === 'development') {\n console.warn('Failed to parse FormData context:', e)\n }\n }\n }\n\n return await action(params)\n }\n\n // Get requests use the query string\n if (methodUpper === 'GET') {\n // Get payload directly from searchParams\n const payloadParam = url.searchParams.get('payload')\n // Reject oversized payloads to prevent DoS\n if (payloadParam && payloadParam.length > MAX_PAYLOAD_SIZE) {\n throw new Error('Payload too large')\n }\n // If there's a payload, we should try to parse it\n const payload: any = payloadParam\n ? parsePayload(JSON.parse(payloadParam))\n : {}\n payload.context = safeObjectMerge(context, payload.context)\n payload.method = methodUpper\n // Send it through!\n return await action(payload)\n }\n\n let jsonPayload\n if (contentType?.includes('application/json')) {\n jsonPayload = await request.json()\n }\n\n const payload = jsonPayload ? parsePayload(jsonPayload) : {}\n payload.context = safeObjectMerge(payload.context, context)\n payload.method = methodUpper\n return await action(payload)\n })()\n\n const unwrapped = res.result || res.error\n\n if (isNotFound(res)) {\n res = isNotFoundResponse(res)\n }\n\n if (!isServerFn) {\n return unwrapped\n }\n\n if (unwrapped instanceof Response) {\n if (isRedirect(unwrapped)) {\n return unwrapped\n }\n unwrapped.headers.set(X_TSS_RAW_RESPONSE, 'true')\n return unwrapped\n }\n\n return serializeResult(res)\n\n function serializeResult(res: unknown): Response {\n let nonStreamingBody: any = undefined\n\n const alsResponse = getResponse()\n if (res !== undefined) {\n // Collect raw streams encountered during serialization\n const rawStreams = new Map<number, ReadableStream<Uint8Array>>()\n const rawStreamPlugin = createRawStreamRPCPlugin(\n (id: number, stream: ReadableStream<Uint8Array>) => {\n rawStreams.set(id, stream)\n },\n )\n\n // Build plugins with RawStreamRPCPlugin first (before default SSR plugin)\n const plugins = [rawStreamPlugin, ...(serovalPlugins || [])]\n\n // first run without the stream in case `result` does not need streaming\n let done = false as boolean\n const callbacks: {\n onParse: (value: any) => void\n onDone: () => void\n onError: (error: any) => void\n } = {\n onParse: (value) => {\n nonStreamingBody = value\n },\n onDone: () => {\n done = true\n },\n onError: (error) => {\n throw error\n },\n }\n toCrossJSONStream(res, {\n refs: new Map(),\n plugins,\n onParse(value) {\n callbacks.onParse(value)\n },\n onDone() {\n callbacks.onDone()\n },\n onError: (error) => {\n callbacks.onError(error)\n },\n })\n\n // If no raw streams and done synchronously, return simple JSON\n if (done && rawStreams.size === 0) {\n return new Response(\n nonStreamingBody ? JSON.stringify(nonStreamingBody) : undefined,\n {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n headers: {\n 'Content-Type': 'application/json',\n [X_TSS_SERIALIZED]: 'true',\n },\n },\n )\n }\n\n // If we have raw streams, use framed protocol\n if (rawStreams.size > 0) {\n // Create a stream of JSON chunks (NDJSON style)\n const jsonStream = new ReadableStream<string>({\n start(controller) {\n callbacks.onParse = (value) => {\n controller.enqueue(JSON.stringify(value) + '\\n')\n }\n callbacks.onDone = () => {\n try {\n controller.close()\n } catch {\n // Already closed\n }\n }\n callbacks.onError = (error) => controller.error(error)\n // Emit initial body if we have one\n if (nonStreamingBody !== undefined) {\n callbacks.onParse(nonStreamingBody)\n }\n },\n })\n\n // Create multiplexed stream with JSON and raw streams\n const multiplexedStream = createMultiplexedStream(\n jsonStream,\n rawStreams,\n )\n\n return new Response(multiplexedStream, {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n headers: {\n 'Content-Type': TSS_CONTENT_TYPE_FRAMED_VERSIONED,\n [X_TSS_SERIALIZED]: 'true',\n },\n })\n }\n\n // No raw streams but not done yet - use standard NDJSON streaming\n const stream = new ReadableStream({\n start(controller) {\n callbacks.onParse = (value) =>\n controller.enqueue(\n textEncoder.encode(JSON.stringify(value) + '\\n'),\n )\n callbacks.onDone = () => {\n try {\n controller.close()\n } catch (error) {\n controller.error(error)\n }\n }\n callbacks.onError = (error) => controller.error(error)\n // stream initial body\n if (nonStreamingBody !== undefined) {\n callbacks.onParse(nonStreamingBody)\n }\n },\n })\n return new Response(stream, {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n headers: {\n 'Content-Type': 'application/x-ndjson',\n [X_TSS_SERIALIZED]: 'true',\n },\n })\n }\n\n return new Response(undefined, {\n status: alsResponse.status,\n statusText: alsResponse.statusText,\n })\n }\n } catch (error: any) {\n if (error instanceof Response) {\n return error\n }\n // else if (\n // isPlainObject(error) &&\n // 'result' in error &&\n // error.result instanceof Response\n // ) {\n // return error.result\n // }\n\n // Currently this server-side context has no idea how to\n // build final URLs, so we need to defer that to the client.\n // The client will check for __redirect and __notFound keys,\n // and if they exist, it will handle them appropriately.\n\n if (isNotFound(error)) {\n return isNotFoundResponse(error)\n }\n\n console.info()\n console.info('Server Fn Error!')\n console.info()\n console.error(error)\n console.info()\n\n const serializedError = JSON.stringify(\n await Promise.resolve(\n toCrossJSONAsync(error, {\n refs: new Map(),\n plugins: serovalPlugins,\n }),\n ),\n )\n const response = getResponse()\n return new Response(serializedError, {\n status: response.status ?? 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{
"name": "@tanstack/start-server-core",
"version": "1.167.1",
"version": "1.167.2",
"description": "Modern and scalable routing for React applications",

@@ -68,7 +68,6 @@ "author": "Tanner Linsley",

"seroval": "^1.4.2",
"tiny-invariant": "^1.3.3",
"@tanstack/history": "1.161.6",
"@tanstack/router-core": "1.168.1",
"@tanstack/start-client-core": "1.167.1",
"@tanstack/start-storage-context": "1.166.15"
"@tanstack/router-core": "1.168.2",
"@tanstack/start-client-core": "1.167.2",
"@tanstack/start-storage-context": "1.166.16"
},

@@ -75,0 +74,0 @@ "devDependencies": {

import {
createRawStreamRPCPlugin,
invariant,
isNotFound,
isRedirect,
} from '@tanstack/router-core'
import invariant from 'tiny-invariant'
import {

@@ -91,6 +91,11 @@ TSS_FORMDATA_CONTEXT,

// We don't support GET requests with FormData payloads... that seems impossible
invariant(
methodUpper !== 'GET',
'GET requests with FormData payloads are not supported',
)
if (methodUpper === 'GET') {
if (process.env.NODE_ENV !== 'production') {
throw new Error(
'Invariant failed: GET requests with FormData payloads are not supported',
)
}
invariant()
}
const formData = await request.formData()

@@ -97,0 +102,0 @@ const serializedContext = formData.get(TSS_FORMDATA_CONTEXT)