.babelrc

{
  "presets": [
    "@babel/preset-typescript",
    "@babel/env",
    "minify"
  ],
  "plugins": [
    ["module-resolver", {"alias": {"^@types/(.+)$": "./types/\\1"}}],
    "@babel/plugin-syntax-dynamic-import",
    "@babel/plugin-proposal-object-rest-spread"
  ],
  "env": {
    "test": {
      "plugins": [
        "istanbul",
        "annotate-console-log"
      ]
    }
  }
}

index.js

import isNil from "@unction/isnil";

export default function get (name) {
  return function getProperty (keyedFunctor) {
    if (isNil(keyedFunctor)) {
      return keyedFunctor;
    }

    if (keyedFunctor.get) {
      return keyedFunctor.get(name);
    }

    return keyedFunctor[name];
  };
}

run.sh

babel --delete-dir-on-start --source-type module --source-maps true --out-dir './transpiled/' './index.js'

transpiled-index.js

"use strict";var _isnil=_interopRequireDefault(require("@unction/isnil"));Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=get;function _interopRequireDefault(a){return a&&a.__esModule?a:{default:a}}function get(a){return function(b){return(0,_isnil.default)(b)?b:b.get?b.get(a):b[a]}}
//# sourceMappingURL=index.js.map

transpiled-index.js.map

{"version":3,"sources":["../index.js"],"names":["get","name","keyedFunctor"],"mappings":"aAAA,6D,mJACe,QAASA,CAAAA,GAAT,CAAaC,CAAb,CAAmB,CAChC,MAAO,UAAqBC,CAArB,CAAmC,OACpC,mBAAMA,CAAN,CADoC,CAE/BA,CAF+B,CAKpCA,CAAY,CAACF,GALuB,CAM/BE,CAAY,CAACF,GAAb,CAAiBC,CAAjB,CAN+B,CASjCC,CAAY,CAACD,CAAD,CACpB,CACF","sourcesContent":["import isNil from \"@unction/isnil\";\nexport default function get(name) {\n  return function getProperty(keyedFunctor) {\n    if (isNil(keyedFunctor)) {\n      return keyedFunctor;\n    }\n\n    if (keyedFunctor.get) {\n      return keyedFunctor.get(name);\n    }\n\n    return keyedFunctor[name];\n  };\n}\n"],"file":"index.js"}