{ "presets": [ [ "@babel/preset-env", { "loose": true, "modules": false }

] , 
"@babel/preset-typescript",
["minify", {
  "booleans": true,
  "infinity": true,
  "mangle": true,
  "numericLiterals": true,
  "propertyLiterals": true,
  "removeConsole": true,
  "removeDebugger": true,
  "removeUndefined": true,
  "simplify": true,
  "simplifyComparisons": true
}]

], "plugins": [ ["transform-remove-console", {"exclude": ["error", "warn"]}] ] }

"build": "npm run clean && babel src --out-dir lib --extensions ".ts"",

// package.json里面的main设置为这样，如果用link的方式调试tuo-geometry "main": "lib/index.js", "main": "build/tuo-geometry.js",