swc

pnpm i -D @swc/cli @swc/core

pnpm swc ./src/main.ts -o ./dist/main.js

# swc + esbuild/tsx - 支持 emitDecoratorMetadata, 利用 esbuild 的 bundle 能力
pnpm swc ./src/ -d ./dist/out
pnpm tsx ./dist/out/main.ts

{
  "$schema": "https://json.schemastore.org/swcrc",
  "jsc": {
    "parser": {
      "syntax": "ecmascript",
      "jsx": false,
      "dynamicImport": false,
      "privateMethod": false,
      "functionBind": false,
      "exportDefaultFrom": false,
      "exportNamespaceFrom": false,
      "decorators": false,
      "decoratorsBeforeExport": false,
      "topLevelAwait": false,
      "importMeta": false
    },
    "transform": null,
    "target": "es5",
    "loose": false,
    "externalHelpers": false,
    // Requires v1.2.50 or upper and requires target to be es2016 or upper.
    "keepClassNames": false
  },
  "minify": false,
  // 依赖 browserslist
  "env": {
    "targets": {
      "chrome": "79"
    },
    "mode": "entry",
    "coreJs": "3.22"
  }
}

# dist/src -> dist
npx swc ./src -d dist --strip-leading-paths