build with swc instaed of tsc

megalodon/.swcrc

@@ -0,0 +1,22 @@
+{
+  "jsc": {
+    "target": "es5",
+    "parser": {
+      "syntax": "typescript",
+      "tsx": false,
+      "decorators": false,
+      "dynamicImport": false
+    },
+    "transform": {
+      "legacyDecorator": false,
+      "decoratorMetadata": false
+    },
+    "externalHelpers": false,
+    "keepClassNames": false
+  },
+  "module": {
+    "type": "commonjs"
+  },
+  "minify": true,
+  "sourceMaps": false
+}

megalodon/package.json

@@ -5,7 +5,7 @@
   "main": "./lib/src/index.js",
   "typings": "./lib/src/index.d.ts",
   "scripts": {
-    "build": "tsc -p ./",
+    "build": "swc ./src -d ./lib",
     "lint": "eslint --ext .js,.ts src",
     "doc": "typedoc --out ../docs ./src",
     "test": "NODE_ENV=test jest -u --maxWorkers=3"
@@ -44,9 +44,12 @@
     ],
     "preset": "ts-jest/presets/default",
     "transform": {
-      "^.+\\.(ts|tsx)$": ["ts-jest", {
-        "tsconfig": "tsconfig.json"
-      }]
+      "^.+\\.(ts|tsx)$": [
+        "ts-jest",
+        {
+          "tsconfig": "tsconfig.json"
+        }
+      ]
     },
     "testEnvironment": "node"
   },
@@ -67,6 +70,8 @@
     "ws": "8.14.2"
   },
   "devDependencies": {
+    "@swc/cli": "^0.1.62",
+    "@swc/core": "^1.3.87",
     "@types/core-js": "^2.5.6",
     "@types/form-data": "^2.5.0",
     "@types/jest": "^29.5.5",