fix: set correct app_location for static sites

src/runtimeHost.js

@@ -9,14 +9,18 @@ module.exports.createRuntimeHost = (port, proxyHost, proxyPort) => {
   const runtimeType = detectRuntime(app_location);
 
   switch (runtimeType) {
+    // .NET runtime
     case RuntimeType.dotnet:
       return {
         command: "dotnet",
         args: `watch --project ${app_location} run --urls=http://localhost:${port}`.split(" "),
       };
 
+    // Node.js runtime or static sites
     case RuntimeType.node:
+    case RuntimeType.unknown:
     default:
+
       // See available options for http-server: https://github.com/http-party/http-server#available-options
       // Note: --proxy allows us to add fallback routes for SPA (https://github.com/http-party/http-server#catch-all-redirect)
       const command = httpServerBin;

src/runtimes.js

@@ -10,6 +10,13 @@ const RuntimeType = {
 module.exports.RuntimeType = RuntimeType;
 
 module.exports.detectRuntime = (app_location) => {
+
+  if (fs.existsSync(app_location) === false) {
+    console.error(`The provided "app_location" was not found. Can't detect runtime!`);
+    console.error(app_location);
+    return RuntimeType.unknown;
+  }
+
   const files = fs.readdirSync(app_location);
 
   if (files.some((file) => path.extname(file) === ".csproj")) {

src/utils.js

@@ -98,25 +98,37 @@ module.exports.readConfigFile = () => {
   const swaBuildConfig = swaYaml.jobs.build_and_deploy_job.steps.find((step) => step.uses && step.uses.includes("static-web-apps-deploy"));
 
   // extract the user's config and set defaults
-  const {
+  let {
     app_build_command = "npm run build --if-present",
     api_build_command = "npm run build --if-present",
     app_location = "/",
     app_artifact_location = "/",
     api_location = "api",
   } = swaBuildConfig.with;
 
+
+  // the following locations must be under the user's project folder
+  // - app_location
+  // - api_location
+  // - app_artifact_location
+
+
+  app_location = path.join(process.cwd(), app_location);
+  api_location = path.join(process.cwd(), api_location);
+
+  const detectedRuntimeType = detectRuntime(app_location);
+  if (detectedRuntimeType === RuntimeType.node) {
+    app_artifact_location = path.join(app_location, "bin", "Debug", "netstandard2.1", "publish", app_artifact_location);
+  } else {
+    app_artifact_location = path.join(app_location, app_artifact_location);
+  }
+
   const config = {
     app_build_command,
     api_build_command,
-
-    // these locations must be under the user's project folder
-    app_location: path.join(process.cwd(), app_location),
-    api_location: path.join(process.cwd(), api_location),
-    app_artifact_location:
-      detectRuntime(path.join(process.cwd(), app_location)) === RuntimeType.node
-        ? path.join(process.cwd(), app_location, app_artifact_location)
-        : path.join(process.cwd(), app_location, "bin", "Debug", "netstandard2.1", "publish", app_artifact_location),
+    app_location,
+    api_location,
+    app_artifact_location,
   };
 
   return config;