perf: build backend with swc (#9463)

* feat: build backend with swc

* fix: swc build target

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/backend/.swcrc

@@ -9,7 +9,17 @@
     "transform": {
       "legacyDecorator": true,
       "decoratorMetadata": true
-    }
+    },
+		"experimental": {
+			"keepImportAssertions": true
+		},
+		"baseUrl": ".",
+		"paths": {
+			"@/*": [
+				"./src/*"
+			]
+		},
+		"target": "es2021"
   },
   "minify": false
 }

packages/backend/package.json

@@ -7,8 +7,8 @@
 		"start": "node ./built/index.js",
 		"start:test": "NODE_ENV=test node ./built/index.js",
 		"migrate": "typeorm migration:run -d ormconfig.js",
-		"build": "tsc -p tsconfig.json || echo done. && tsc-alias -p tsconfig.json",
-		"watch": "node watch.mjs",
+		"build": "swc src -d built -D",
+		"watch": "swc src -d built -D -w",
 		"lint": "tsc --noEmit && eslint --quiet \"src/**/*.ts\"",
 		"jest": "cross-env NODE_ENV=test node --experimental-vm-modules --experimental-import-meta-resolve node_modules/jest/bin/jest.js --forceExit --runInBand",
 		"jest-and-coverage": "cross-env NODE_ENV=test node --experimental-vm-modules --experimental-import-meta-resolve node_modules/jest/bin/jest.js --coverage --forceExit --runInBand",
@@ -112,7 +112,6 @@
 		"systeminformation": "5.17.1",
 		"tinycolor2": "1.5.2",
 		"tmp": "0.2.1",
-		"tsc-alias": "1.8.2",
 		"tsconfig-paths": "4.1.2",
 		"twemoji-parser": "14.0.0",
 		"typeorm": "0.3.11",
@@ -128,6 +127,7 @@
 	},
 	"devDependencies": {
 		"@redocly/openapi-core": "1.0.0-beta.117",
+		"@swc/cli": "^0.1.59",
 		"@swc/core": "1.3.25",
 		"@swc/jest": "0.2.24",
 		"@types/accepts": "1.3.5",

packages/backend/watch.mjs

-import { execa } from 'execa';
-
-(async () => {
-	// なぜかchokidarが動かない影響で、watchされない
-	/*
-	execa('tsc-alias', ['-w', '-p', 'tsconfig.json'], {
-		stdout: process.stdout,
-		stderr: process.stderr,
-	});
-	*/
-
-	setInterval(() => {
-		execa('tsc-alias', ['-p', 'tsconfig.json'], {
-			stdout: process.stdout,
-			stderr: process.stderr,
-		});
-	}, 3000);
-
-	execa('tsc', ['-w', '-p', 'tsconfig.json'], {
-		stdout: process.stdout,
-		stderr: process.stderr,
-	});
-})();