{
  "presets": ["stage-2", "es2015"],
  "plugins": [
    "add-module-exports",
    "minify-constant-folding",
    "minify-dead-code-elimination",
    "minify-flip-comparisons",
    "minify-guarded-expressions",
    "minify-infinity",
    "minify-mangle-names",
    "minify-replace",
    "minify-simplify",
    "minify-type-constructors",
    "transform-member-expression-literals",
    "transform-minify-booleans",
    "transform-property-literals",
    "transform-simplify-comparison-operators",
    "transform-undefined-to-void"
  ]
}