function extsToRegExp (exts) {
	          return new RegExp('\\.(' + exts.map(function (ext) {
		          return ext.replace(/\./g, '\\.')
	}).join('|') + ')(\\?.*)?$')
}

module.exports = function loadersByExtension (obj) {
	          var loaders = []
	          Object.keys(obj).forEach(function (key) {
		          var exts = key.split('|')
		          var value = obj[key]
		          var entry = {
			          extensions: exts,
			          test: extsToRegExp(exts)
		}
		          if (Array.isArray(value)) {
			          entry.loaders = value
		} else if (typeof value === 'string') {
			          entry.loader = value
		} else {
			          Object.keys(value).forEach(function (valueKey) {
				          entry[valueKey] = value[valueKey]
			})
		}
		          loaders.push(entry)
	})
	          return loaders
}

function extsToRegExp (exts) {
  return new RegExp('\\.(' + exts.map(function (ext) {
    return ext.replace(/\./g, '\\.')
  }).join('|') + ')(\\?.*)?$')
}

module.exports = function loadersByExtension (obj) {
  var loaders = []
  Object.keys(obj).forEach(function (key) {
    var exts = key.split('|')
    var value = obj[key]
    var entry = {
      extensions: exts,
      test: extsToRegExp(exts)
    }
    if (Array.isArray(value)) {
      entry.loaders = value
    } else if (typeof value === 'string') {
      entry.loader = value
    } else {
      Object.keys(value).forEach(function (valueKey) {
        entry[valueKey] = value[valueKey]
      })
    }
    loaders.push(entry)
  })
  return loaders
}

Update coding styles in webpack loaders
Update coding styles in webpack loaders
