break when loading templates

packages/compiler/src/init/core-templates.ts

@@ -1,6 +1,6 @@
 import { CompilerPackageRoot } from "../core/node-host.js";
 import { resolvePath } from "../core/path-utils.js";
-import { CompilerHost } from "../index.js";
+import type { SystemHost } from "../index.js";
 
 export const templatesDir = resolvePath(CompilerPackageRoot, "templates");
 export interface LoadedCoreTemplates {
@@ -9,7 +9,7 @@ export interface LoadedCoreTemplates {
 }
 
 let typeSpecCoreTemplates: LoadedCoreTemplates | undefined;
-export async function getTypeSpecCoreTemplates(host: CompilerHost): Promise<LoadedCoreTemplates> {
+export async function getTypeSpecCoreTemplates(host: SystemHost): Promise<LoadedCoreTemplates> {
   if (typeSpecCoreTemplates === undefined) {
     const file = await host.readFile(resolvePath(templatesDir, "scaffolding.json"));
     const content = JSON.parse(file.text);

packages/compiler/src/internals/init.ts

@@ -1,3 +1,3 @@
-// export { getTypeSpecCoreTemplates } from "../init/core-templates.js";
 export { NodeSystemHost } from "../core/node-system-host.js";
+export { getTypeSpecCoreTemplates } from "../init/core-templates.js";
 export { scaffoldNewProject } from "../init/scaffold.js";

packages/typespec-vscode/src/vscode-cmd/create-tsp-project.ts

@@ -4,7 +4,11 @@ import {
   type InitProjectTemplateEmitterTemplate,
   type InitProjectTemplateLibrarySpec,
 } from "@typespec/compiler";
-import { NodeSystemHost, scaffoldNewProject } from "@typespec/compiler/internals/init";
+import {
+  getTypeSpecCoreTemplates,
+  NodeSystemHost,
+  scaffoldNewProject,
+} from "@typespec/compiler/internals/init";
 import { readdir } from "fs/promises";
 import * as semver from "semver";
 import vscode, { OpenDialogOptions, QuickPickItem } from "vscode";
@@ -559,6 +563,19 @@ async function loadInitTemplates(): Promise<Map<string, InitTemplateInfo[]>> {
   logger.info("Loading init templates from compiler...");
   const templateInfoMap: Map<string, InitTemplateInfo[]> = new Map();
   logger.info("Loading init templates from config...");
+  const templates = await getTypeSpecCoreTemplates(NodeSystemHost);
+  templateInfoMap.set(
+    COMPILER_CORE_TEMPLATES,
+    Object.entries(templates.templates)
+      .filter(([_key, value]) => value !== undefined)
+      .map(([key, value]) => ({
+        source: COMPILER_CORE_TEMPLATES,
+        sourceType: "compiler",
+        baseUrl: templates.baseUri,
+        name: key,
+        template: value,
+      })),
+  );
   const settings = vscode.workspace
     .getConfiguration()
     .get<InitTemplatesUrlSetting[]>(SettingName.InitTemplatesUrls);