[DO NOT MERGE] Emitter Framework

.prettierignore

@@ -63,5 +63,9 @@ grammars/
 # auto generated code model files
 packages/http-client-csharp/generator/TestProjects/**/tspCodeModel.json
 
+# Alloy components
+packages/emitter-framework/**/*.tsx
+packages/emitter-sample/**/*.tsx
+packages/efnext-cli-sketch/**/*.tsx
 # auto generated api view properties files
 packages/http-client-java/generator/http-client-generator-test/src/main/**/*.json

.prettierrc.json

@@ -8,14 +8,27 @@
   "tabWidth": 2,
   "plugins": [
     "./packages/prettier-plugin-typespec/dist/index.js",
-    "./node_modules/prettier-plugin-organize-imports/index.js"
+    "./node_modules/prettier-plugin-organize-imports/index.js",
+    "@alloy-js/prettier-plugin-alloy"
   ],
   "overrides": [
     {
       "files": "*.tsp",
       "options": {
         "parser": "typespec"
       }
+    },
+    {
+      "files": ["packages/http-client-javascript/**/*.tsx"],
+      "options": {
+        "parser": "alloy-ts"
+      }
+    },
+    {
+      "files": ["packages/http-client-javascript/**/*.js"],
+      "options": {
+        "parser": "alloy-js"
+      }
     }
   ]
 }

package.json

@@ -61,6 +61,7 @@
     "picocolors": "~1.1.0",
     "prettier": "~3.3.3",
     "prettier-plugin-organize-imports": "~4.0.0",
+    "@alloy-js/prettier-plugin-alloy": "https://pkg.pr.new/alloy-framework/alloy/@alloy-js/prettier-plugin-alloy@5535a9c",
     "rimraf": "~6.0.1",
     "syncpack": "^13.0.0",
     "tsx": "^4.19.1",
@@ -81,7 +82,8 @@
   },
   "pnpm": {
     "overrides": {
-      "@fluentui/react-theme": "9.1.17"
+      "@fluentui/react-theme": "9.1.17",
+      "esbuild": "0.23"
     }
   }
 }

packages/compiler/package.json

@@ -41,6 +41,10 @@
       "types": "./dist/src/emitter-framework/index.d.ts",
       "default": "./dist/src/emitter-framework/index.js"
     },
+    "./typekit": {
+      "types": "./dist/src/typekit/index.d.ts",
+      "default": "./dist/src/typekit/index.js"
+    },
     "./experimental": {
       "types": "./dist/src/experimental/index.d.ts",
       "default": "./dist/src/experimental/index.js"
@@ -86,6 +90,7 @@
     "lint:fix": "eslint . --fix"
   },
   "dependencies": {
+    "@alloy-js/core": "https://pkg.pr.new/alloy-framework/alloy/@alloy-js/core@5535a9c",
     "@babel/code-frame": "~7.24.7",
     "ajv": "~8.17.1",
     "change-case": "~5.4.4",

packages/compiler/src/core/checker.ts

@@ -36,6 +36,7 @@ import {
 } from "./parser.js";
 import type { Program, ProjectedProgram } from "./program.js";
 import { createProjectionMembers } from "./projection-members.js";
+import { Realm } from "./realm.js";
 import { createTypeRelationChecker } from "./type-relation-checker.js";
 import {
   getFullyQualifiedSymbolName,
@@ -234,7 +235,7 @@ export interface Checker {
   createAndFinishType<T extends Type extends any ? CreateTypeProps : never>(
     typeDef: T,
   ): T & TypePrototype;
-  finishType<T extends Type>(typeDef: T): T;
+  finishType<T extends Type>(typeDef: T, realm?: Realm): T;
   createFunctionType(fn: (...args: Type[]) => Type): FunctionType;
   createLiteralType(value: string, node?: StringLiteralNode): StringLiteral;
   createLiteralType(value: number, node?: NumericLiteralNode): NumericLiteral;

packages/compiler/src/core/emitter-utils.ts

@@ -16,7 +16,9 @@ export interface EmitFileOptions {
 export async function emitFile(program: Program, options: EmitFileOptions): Promise<void> {
   // ensure path exists
   const outputFolder = getDirectoryPath(options.path);
-  await program.host.mkdirp(outputFolder);
+  if (outputFolder) {
+    await program.host.mkdirp(outputFolder);
+  }
   const content =
     options.newLine && options.newLine === "crlf"
       ? options.content.replace(/(\r\n|\n|\r)/gm, "\r\n")

packages/compiler/src/core/index.ts

@@ -40,6 +40,7 @@ export {
 } from "./library.js";
 export { resolveLinterDefinition } from "./linter.js";
 export * from "./module-resolver.js";
+export * from "./mutator.js";
 export { NodeHost } from "./node-host.js";
 export { Numeric, isNumeric } from "./numeric.js";
 export * from "./options.js";
@@ -48,6 +49,7 @@ export * from "./parser.js";
 export * from "./path-utils.js";
 export * from "./program.js";
 export { isProjectedProgram } from "./projected-program.js";
+export * from "./realm.js";
 export * from "./scanner.js";
 export * from "./semantic-walker.js";
 export { createSourceFile, getSourceFileKindFromExt } from "./source-file.js";