@babel/preset-env: `DEBUG` option Using targets: {} Using modules transform: commonjs Using plugins: transform-template-literals {} transform-literals {} transform-function-name {} transform-arrow-functions {} transform-block-scoped-functions {} transform-classes {} transform-object-super {} transform-shorthand-properties {} transform-duplicate-keys {} transform-computed-properties {} transform-for-of {} transform-sticky-regex {} transform-unicode-regex {} transform-spread {} transform-parameters {} transform-destructuring {} transform-block-scoping {} transform-typeof-symbol {} transform-new-target {} transform-regenerator {} transform-exponentiation-operator {} transform-async-to-generator {} proposal-async-generator-functions {} proposal-object-rest-spread {} proposal-unicode-property-regex {} transform-dotall-regex {} proposal-optional-catch-binding {} Using polyfills with `entry` option: [src/in.js] Replaced `@babel/polyfill` with the following polyfills: es6.array.copy-within {} es6.array.every {} es6.array.fill {} es6.array.filter {} es6.array.find {} es6.array.find-index {} es6.array.for-each {} es6.array.from {} es7.array.includes {} es6.array.index-of {} es6.array.is-array {} es6.array.iterator {} es6.array.last-index-of {} es6.array.map {} es6.array.of {} es6.array.reduce {} es6.array.reduce-right {} es6.array.some {} es6.array.sort {} es6.array.species {} es6.date.now {} es6.date.to-iso-string {} es6.date.to-json {} es6.date.to-primitive {} es6.date.to-string {} es6.function.bind {} es6.function.has-instance {} es6.function.name {} es6.map {} es6.math.acosh {} es6.math.asinh {} es6.math.atanh {} es6.math.cbrt {} es6.math.clz32 {} es6.math.cosh {} es6.math.expm1 {} es6.math.fround {} es6.math.hypot {} es6.math.imul {} es6.math.log1p {} es6.math.log10 {} es6.math.log2 {} es6.math.sign {} es6.math.sinh {} es6.math.tanh {} es6.math.trunc {} es6.number.constructor {} es6.number.epsilon {} es6.number.is-finite {} es6.number.is-integer {} es6.number.is-nan {} es6.number.is-safe-integer {} es6.number.max-safe-integer {} es6.number.min-safe-integer {} es6.number.parse-float {} es6.number.parse-int {} es6.object.assign {} es6.object.create {} es7.object.define-getter {} es7.object.define-setter {} es6.object.define-property {} es6.object.define-properties {} es7.object.entries {} es6.object.freeze {} es6.object.get-own-property-descriptor {} es7.object.get-own-property-descriptors {} es6.object.get-own-property-names {} es6.object.get-prototype-of {} es7.object.lookup-getter {} es7.object.lookup-setter {} es6.object.prevent-extensions {} es6.object.is {} es6.object.is-frozen {} es6.object.is-sealed {} es6.object.is-extensible {} es6.object.keys {} es6.object.seal {} es6.object.set-prototype-of {} es7.object.values {} es6.promise {} es7.promise.finally {} es6.reflect.apply {} es6.reflect.construct {} es6.reflect.define-property {} es6.reflect.delete-property {} es6.reflect.get {} es6.reflect.get-own-property-descriptor {} es6.reflect.get-prototype-of {} es6.reflect.has {} es6.reflect.is-extensible {} es6.reflect.own-keys {} es6.reflect.prevent-extensions {} es6.reflect.set {} es6.reflect.set-prototype-of {} es6.regexp.constructor {} es6.regexp.flags {} es6.regexp.match {} es6.regexp.replace {} es6.regexp.split {} es6.regexp.search {} es6.regexp.to-string {} es6.set {} es6.symbol {} es7.symbol.async-iterator {} es6.string.anchor {} es6.string.big {} es6.string.blink {} es6.string.bold {} es6.string.code-point-at {} es6.string.ends-with {} es6.string.fixed {} es6.string.fontcolor {} es6.string.fontsize {} es6.string.from-code-point {} es6.string.includes {} es6.string.italics {} es6.string.iterator {} es6.string.link {} es7.string.pad-start {} es7.string.pad-end {} es6.string.raw {} es6.string.repeat {} es6.string.small {} es6.string.starts-with {} es6.string.strike {} es6.string.sub {} es6.string.sup {} es6.string.trim {} es6.typed.array-buffer {} es6.typed.data-view {} es6.typed.int8-array {} es6.typed.uint8-array {} es6.typed.uint8-clamped-array {} es6.typed.int16-array {} es6.typed.uint16-array {} es6.typed.int32-array {} es6.typed.uint32-array {} es6.typed.float32-array {} es6.typed.float64-array {} es6.weak-map {} es6.weak-set {} web.timers {} web.immediate {} web.dom.iterable {} 🎉 Successfully compiled 1 file with Babel.