Add dev runtime platform config API

lib/dev/DevServer.ts

@@ -12,7 +12,7 @@ import type {
   FileUpdatedEvent,
 } from "lib/file-server/FileServerEvent"
 import type { FileServerRoutes } from "lib/file-server/FileServerRoutes"
-import { loadProjectConfig } from "lib/project-config"
+import { loadRuntimeProjectConfig } from "lib/project-config"
 import { EventsWatcher } from "lib/server/EventsWatcher"
 import { createHttpServer } from "lib/server/createHttpServer"
 import { addPackage } from "lib/shared/add-package"
@@ -86,14 +86,16 @@ export class DevServer {
     this.componentFilePath = componentFilePath
     this.projectDir = projectDir ?? path.dirname(componentFilePath)
     this.kicadPcm = kicadPcm ?? false
-    const projectConfig = loadProjectConfig(this.projectDir)
-    this.ignoredFiles = projectConfig?.ignoredFiles ?? []
+    this.ignoredFiles = []
     this.fsKy = ky.create({
       prefixUrl: `http://localhost:${port}`,
     }) as any
   }
 
   async start() {
+    const projectConfig = await loadRuntimeProjectConfig(this.projectDir)
+    this.ignoredFiles = projectConfig?.ignoredFiles ?? []
+
     const { server } = await createHttpServer({
       port: this.port,
       defaultMainComponentPath: path.relative(

lib/server/createHttpServer.ts

@@ -10,6 +10,10 @@ import pkg from "../../package.json"
 // @ts-ignore
 import winterspecBundle from "@tscircuit/file-server/dist/bundle.js"
 import { getIndex } from "../site/getIndex"
+import {
+  createDevRuntimeConfigApi,
+  handleDevRuntimeConfigRequest,
+} from "./dev-runtime-config"
 import { createKicadPcmProxy } from "./kicad-pcm-proxy"
 
 export const createHttpServer = async ({
@@ -26,6 +30,9 @@ export const createHttpServer = async ({
   entryFile?: string
 }) => {
   const fileServerHandler = getNodeHandler(winterspecBundle as any, {})
+  const runtimeConfigApi = projectDir
+    ? createDevRuntimeConfigApi({ projectDir })
+    : null
 
   // Create PCM proxy if enabled
   const pcmProxy =
@@ -37,6 +44,20 @@ export const createHttpServer = async ({
     const requestHost = req.headers.host ?? `localhost:${port}`
     const url = new URL(req.url!, `http://${requestHost}`)
 
+    if (
+      runtimeConfigApi &&
+      (url.pathname === "/api/dev/runtime-config" ||
+        url.pathname === "/api/dev/runtime-config/rpc")
+    ) {
+      const handled = await handleDevRuntimeConfigRequest({
+        req,
+        res,
+        url,
+        runtimeConfigApi,
+      })
+      if (handled) return
+    }
+
     if (
       url.pathname === "/api/files/upsert-multipart" &&
       req.method === "POST"
@@ -142,6 +163,7 @@ export const createHttpServer = async ({
       const html = await getIndex(
         defaultMainComponentPath,
         fileServerApiBaseUrl,
+        `${fileServerApiBaseUrl}/dev/runtime-config`,
       )
       res.writeHead(200, { "Content-Type": "text/html" })
       res.end(html)