babel/packages/babel-plugin-transform-runtime/src/runtime-corejs2-definitions.js

import { hasMinVersion } from "./helpers";

export default runtimeVersion => {
  // Conditionally include 'Math' because it was not included in the 7.0.0
  // release of '@babel/runtime'. See issue https://github.com/babel/babel/pull/8616.
  const includeMathModule = hasMinVersion("7.0.1", runtimeVersion);

  return {
    BuiltIns: {
      Symbol: { stable: true, path: "symbol" },
      Promise: { stable: true, path: "promise" },
      Map: { stable: true, path: "map" },
      WeakMap: { stable: true, path: "weak-map" },
      Set: { stable: true, path: "set" },
      WeakSet: { stable: true, path: "weak-set" },
      setImmediate: { stable: true, path: "set-immediate" },
      clearImmediate: { stable: true, path: "clear-immediate" },
      parseFloat: { stable: true, path: "parse-float" },
      parseInt: { stable: true, path: "parse-int" },
    },

    StaticProperties: {
      Array: {
        from: { stable: true, path: "array/from" },
        isArray: { stable: true, path: "array/is-array" },
        of: { stable: true, path: "array/of" },
      },

      JSON: {
        stringify: { stable: true, path: "json/stringify" },
      },

      Object: {
        assign: { stable: true, path: "object/assign" },
        create: { stable: true, path: "object/create" },
        defineProperties: { stable: true, path: "object/define-properties" },
        defineProperty: { stable: true, path: "object/define-property" },
        entries: { stable: true, path: "object/entries" },
        freeze: { stable: true, path: "object/freeze" },
        getOwnPropertyDescriptor: {
          stable: true,
          path: "object/get-own-property-descriptor",
        },
        getOwnPropertyDescriptors: {
          stable: true,
          path: "object/get-own-property-descriptors",
        },
        getOwnPropertyNames: {
          stable: true,
          path: "object/get-own-property-names",
        },
        getOwnPropertySymbols: {
          stable: true,
          path: "object/get-own-property-symbols",
        },
        getPrototypeOf: { stable: true, path: "object/get-prototype-of" },
        isExtensible: { stable: true, path: "object/is-extensible" },
        isFrozen: { stable: true, path: "object/is-frozen" },
        isSealed: { stable: true, path: "object/is-sealed" },
        is: { stable: true, path: "object/is" },
        keys: { stable: true, path: "object/keys" },
        preventExtensions: { stable: true, path: "object/prevent-extensions" },
        seal: { stable: true, path: "object/seal" },
        setPrototypeOf: { stable: true, path: "object/set-prototype-of" },
        values: { stable: true, path: "object/values" },
      },

      ...(includeMathModule
        ? {
            Math: {
              acosh: { stable: true, path: "math/acosh" },
              asinh: { stable: true, path: "math/asinh" },
              atanh: { stable: true, path: "math/atanh" },
              cbrt: { stable: true, path: "math/cbrt" },
              clz32: { stable: true, path: "math/clz32" },
              cosh: { stable: true, path: "math/cosh" },
              expm1: { stable: true, path: "math/expm1" },
              fround: { stable: true, path: "math/fround" },
              hypot: { stable: true, path: "math/hypot" },
              imul: { stable: true, path: "math/imul" },
              log10: { stable: true, path: "math/log10" },
              log1p: { stable: true, path: "math/log1p" },
              log2: { stable: true, path: "math/log2" },
              sign: { stable: true, path: "math/sign" },
              sinh: { stable: true, path: "math/sinh" },
              tanh: { stable: true, path: "math/tanh" },
              trunc: { stable: true, path: "math/trunc" },
            },
          }
        : {}),

      Symbol: {
        // FIXME: Disabled to work around zloirock/core-js#262.
        // asyncIterator: { stable: true, path: "symbol/async-iterator" },
        for: { stable: true, path: "symbol/for" },
        hasInstance: { stable: true, path: "symbol/has-instance" },
        isConcatSpreadable: {
          stable: true,
          path: "symbol/is-concat-spreadable",
        },
        iterator: { stable: true, path: "symbol/iterator" },
        keyFor: { stable: true, path: "symbol/key-for" },
        match: { stable: true, path: "symbol/match" },
        replace: { stable: true, path: "symbol/replace" },
        search: { stable: true, path: "symbol/search" },
        species: { stable: true, path: "symbol/species" },
        split: { stable: true, path: "symbol/split" },
        toPrimitive: { stable: true, path: "symbol/to-primitive" },
        toStringTag: { stable: true, path: "symbol/to-string-tag" },
        unscopables: { stable: true, path: "symbol/unscopables" },
      },

      String: {
        at: { stable: true, path: "string/at" },
        fromCodePoint: { stable: true, path: "string/from-code-point" },
        raw: { stable: true, path: "string/raw" },
      },

      Number: {
        EPSILON: { stable: true, path: "number/epsilon" },
        isFinite: { stable: true, path: "number/is-finite" },
        isInteger: { stable: true, path: "number/is-integer" },
        isNaN: { stable: true, path: "number/is-nan" },
        isSafeInteger: { stable: true, path: "number/is-safe-integer" },
        MAX_SAFE_INTEGER: { stable: true, path: "number/max-safe-integer" },
        MIN_SAFE_INTEGER: { stable: true, path: "number/min-safe-integer" },
        parseFloat: { stable: true, path: "number/parse-float" },
        parseInt: { stable: true, path: "number/parse-int" },
      },

      Reflect: {
        apply: { stable: true, path: "reflect/apply" },
        construct: { stable: true, path: "reflect/construct" },
        defineProperty: { stable: true, path: "reflect/define-property" },
        deleteProperty: { stable: true, path: "reflect/delete-property" },
        getOwnPropertyDescriptor: {
          stable: true,
          path: "reflect/get-own-property-descriptor",
        },
        getPrototypeOf: { stable: true, path: "reflect/get-prototype-of" },
        get: { stable: true, path: "reflect/get" },
        has: { stable: true, path: "reflect/has" },
        isExtensible: { stable: true, path: "reflect/is-extensible" },
        ownKeys: { stable: true, path: "reflect/own-keys" },
        preventExtensions: { stable: true, path: "reflect/prevent-extensions" },
        setPrototypeOf: { stable: true, path: "reflect/set-prototype-of" },
        set: { stable: true, path: "reflect/set" },
      },

      Date: {
        now: { stable: true, path: "date/now" },
      },
    },
  };
};