CSharp Service Emitter (#2904)

Fixes #3141

---------

Co-authored-by: Timothee Guerin <[email protected]>
Co-authored-by: Timothee Guerin <[email protected]>

.chronus/changes/service-csharp-2024-1-12-3-50-33.md

@@ -0,0 +1,8 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: internal
+packages:
+  - "@typespec/http-server-csharp"
+---
+
+Initial check-in for CSharp service emitter

packages/http-server-csharp/CHANGELOG.md

@@ -0,0 +1,2 @@
+# Change Log - @typespec/http-server-csharp
+

packages/http-server-csharp/LICENSE

@@ -0,0 +1,21 @@
+    MIT License
+
+    Copyright (c) Microsoft Corporation. All rights reserved.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE

packages/http-server-csharp/README.md

@@ -0,0 +1,40 @@
+# @typespec/http-server-csharp
+
+TypeSpec service code generator for c-sharp
+
+## Install
+
+```bash
+npm install @typespec/http-server-csharp
+```
+
+## Emitter
+
+### Usage
+
+1. Via the command line
+
+```bash
+tsp compile . --emit=@typespec/http-server-csharp
+```
+
+2. Via the config
+
+```yaml
+emit:
+  - "@typespec/http-server-csharp"
+```
+
+### Emitter options
+
+#### `skip-format`
+
+**Type:** `boolean`
+
+Skips formatting of generated C# Types. By default, C# files are formatted using 'dotnet format'.
+
+#### `output-type`
+
+**Type:** `"models" | "all"`
+
+Chooses which service artifacts to emit. choices include 'models' or 'all' artifacts.

packages/http-server-csharp/package.json

@@ -0,0 +1,77 @@
+{
+  "name": "@typespec/http-server-csharp",
+  "version": "0.58.0-alpha.1",
+  "author": "Microsoft Corporation",
+  "description": "TypeSpec service code generator for c-sharp",
+  "homepage": "https://typespec.io",
+  "readme": "https://github.com/microsoft/typespec/blob/main/packages/http-server-csharp/README.md",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/microsoft/typespec.git"
+  },
+  "bugs": {
+    "url": "https://github.com/microsoft/typespec/issues"
+  },
+  "keywords": [
+    "typespec",
+    "service",
+    "c-sharp"
+  ],
+  "type": "module",
+  "main": "dist/src/index.js",
+  "exports": {
+    ".": {
+      "types": "./dist/src/index.d.ts",
+      "default": "./dist/src/index.js"
+    },
+    "./testing": {
+      "types": "./dist/src/testing/index.d.ts",
+      "default": "./dist/src/testing/index.js"
+    }
+  },
+  "engines": {
+    "node": ">=18.0.0"
+  },
+  "scripts": {
+    "clean": "rimraf ./dist ./temp",
+    "build": "tsc -p .",
+    "watch": "tsc -p . --watch",
+    "test": "vitest run",
+    "test:watch": "vitest -w",
+    "test:ui": "vitest --ui",
+    "test:ci": "vitest run --coverage --reporter=junit --reporter=default",
+    "lint": "eslint . --max-warnings=0",
+    "lint:fix": "eslint . --fix",
+    "regen-docs": "echo No doc generation for alpha version"
+  },
+  "files": [
+    "lib/*.tsp",
+    "dist/**",
+    "!dist/test/**"
+  ],
+  "peerDependencies": {
+    "@typespec/compiler": "workspace:~",
+    "@typespec/rest": "workspace:~",
+    "@typespec/http": "workspace:~",
+    "@typespec/versioning": "workspace:~"
+  },
+  "dependencies": {
+    "change-case": "~5.4.4"
+  },
+  "devDependencies": {
+    "@typespec/compiler": "workspace:~",
+    "@typespec/openapi": "workspace:~",
+    "@typespec/rest": "workspace:~",
+    "@typespec/http": "workspace:~",
+    "@types/node": "~18.11.19",
+    "@typespec/library-linter": "workspace:~",
+    "@typespec/tspd": "workspace:~",
+    "@vitest/coverage-v8": "^2.0.4",
+    "@vitest/ui": "^2.0.4",
+    "c8": "^10.1.2",
+    "rimraf": "~6.0.1",
+    "typescript": "~5.5.4",
+    "vitest": "^2.0.4"
+  }
+}