Babel 6 setting to support IE 9+

.babelrc

// http://imweb.io/topic/59dc5a8b856028aa249e2a58
// https://segmentfault.com/a/1190000006930013
// 總之，IE真的是毒瘤...
{
  "presets": [
    ["es2015",
    {
      "loose": true
    }],
    "stage-0"
  ],
  "plugins": [
    [
      "transform-builtin-extend",
      {
        "globals": ["Array"],
        "approximate": false
      },
      "transform-es2015-destructuring"
    ],
    "transform-es3-member-expression-literals",
    "transform-es3-property-literals"
  ]
}

package.json

{
  "name": "",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "nyc mocha --recursive \"./{,!(node_modules)/**/}*spec.js\" -s 3",
    "build": "browserify browser.js -o ./dist/build.js -t babelify",
    "build-testcases": "browserify browser-test.js -o ./dist/testcases.js -t babelify"
  },
  "author": "Yamada246",
  "license": "ISC",
  "devDependencies": {
    "babel-core": "^6.26.3",
    "babel-plugin-transform-builtin-extend": "^1.1.2",
    "babel-plugin-transform-es2015-destructuring": "^6.23.0",
    "babel-plugin-transform-es3-member-expression-literals": "^6.22.0",
    "babel-plugin-transform-es3-property-literals": "^6.22.0",
    "babel-preset-es2015": "^6.24.1",
    "babel-preset-stage-0": "^6.24.1",
    "babelify": "^8.0.0",
    "browserify": "^16.2.0",
    "chai": "^4.1.2",
    "core-js": "^2.5.7",
    "mocha": "^5.1.1",
    "nyc": "^12.0.1"
  }
}

polyfill.js

// https://github.com/angular/angular/issues/24488
(function() {
    Object.setPrototypeOf = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array ? setProtoOf : mixinProperties);

    function setProtoOf(obj, proto) {
        obj.__proto__ = proto;
        return obj;
    }

    function mixinProperties(obj, proto) {
        for (const prop in proto) {
            if (!obj.hasOwnProperty(prop)) {
                obj[prop] = proto[prop];
            }
        }
        return obj;
    }
})();

require('core-js');

some-unsupported-syntax-and-workaround.js

// https://stackoverflow.com/questions/3895478/does-javascript-have-a-method-like-range-to-generate-a-range-within-the-supp
function range(start = 0, end = start + 1) {
    // return [...Array(end - start).keys()].map(i => i + start);
    // Destructing not work for iterator in babel 6
    const iterator = Array(end - start).keys();
    const result = [];
    for (const v of iterator) {
        result.push(v);
    }
    return result.map(i => i + start);
}