'use strict'; const { compare, intersection, semver } = require('./helpers'); const modulesByVersions = require('./modules-by-versions'); const modules = require('./modules'); module.exports = function (raw) { const corejs = semver(raw); if (corejs.major !== 3) { throw RangeError('This version of `core-js-compat` works only with `core-js@3`.'); } const result = []; for (const version of Object.keys(modulesByVersions)) { if (compare(version, '<=', corejs)) { result.push(...modulesByVersions[version]); } } return intersection(result, modules); };