| 12345678910111213141516171819202122 | 'use strict'const browsers = require('./browsers').browsersfunction unpackRegion(packed) {  return Object.keys(packed).reduce((list, browser) => {    let data = packed[browser]    list[browsers[browser]] = Object.keys(data).reduce((memo, key) => {      let stats = data[key]      if (key === '_') {        stats.split(' ').forEach(version => (memo[version] = null))      } else {        memo[key] = stats      }      return memo    }, {})    return list  }, {})}module.exports = unpackRegionmodule.exports.default = unpackRegion
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