build: refactor build system (#8324)

packages/proxy/package.json

@@ -4,7 +4,7 @@
 	"description": "Tools for running an HTTP proxy for Discord's API",
 	"scripts": {
 		"test": "vitest run",
-		"build": "tsup",
+		"build": "unbuild",
 		"lint": "prettier --check . && eslint src __tests__ --ext mjs,js,ts",
 		"format": "prettier --write . && eslint src __tests__ --ext mjs,js,ts --fix",
 		"fmt": "yarn format",
@@ -13,12 +13,12 @@
 		"changelog": "git cliff --prepend ./CHANGELOG.md -u -c ./cliff.toml -r ../../ --include-path 'packages/proxy/*'",
 		"release": "cliff-jumper"
 	},
-	"main": "./dist/index.js",
+	"main": "./dist/index.cjs",
 	"module": "./dist/index.mjs",
 	"typings": "./dist/index.d.ts",
 	"exports": {
 		"import": "./dist/index.mjs",
-		"require": "./dist/index.js",
+		"require": "./dist/index.cjs",
 		"types": "./dist/index.d.ts"
 	},
 	"directories": {
@@ -64,12 +64,14 @@
 		"@microsoft/api-extractor": "^7.28.4",
 		"@types/node": "^16.11.45",
 		"@types/supertest": "^2.0.12",
-		"c8": "^7.11.3",
+		"c8": "^7.12.0",
 		"eslint": "^8.20.0",
 		"prettier": "^2.7.1",
+		"rollup-plugin-typescript2": "0.32.1",
 		"supertest": "^6.2.4",
 		"tsup": "^6.1.3",
 		"typescript": "^4.7.4",
+		"unbuild": "^0.7.4",
 		"vitest": "^0.18.1"
 	},
 	"engines": {