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Created November 15, 2016 16:57
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Browser detection for ES6 support
* Detect browser capabilities on the server.
var useragent = require('useragent')
var MinimumForES6 = {
"Chrome": 49,
"Edge": 14,
"Firefox": 45,
"Safari": 10
function supportsES6(headers) {
var agent = useragent.lookup(headers['user-agent'])
var requiredVersion = MinimumForES6[]
if (requiredVersion) {
return parseInt(agent.major) >= requiredVersion
return false
exports.supportsES6 = supportsES6
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