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Update A/B bucket parsing to match new meta tag format #57

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merged 1 commit into from
Jan 30, 2017
Merged

Update A/B bucket parsing to match new meta tag format #57

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18 changes: 9 additions & 9 deletions src/fetch-page-data.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,15 +15,15 @@ function getMetatag(name) {
}

function getAbTestBuckets() {
var abMetaTags = document.getElementsByTagName('meta');
var abMetaTags = document.querySelectorAll('meta[name="govuk:ab-test"]');

var abMetaTagPattern = /govuk:ab-test:([\w-]+):current-bucket/;
var metaTagPattern = /([\w-]+):([\w-]+)/;
var buckets = {};

return Object.keys(abMetaTags).filter(function (tagName) {
return tagName.match(abMetaTagPattern);
}).reduce(function (abTags, tagName) {
var abTestName = abMetaTagPattern.exec(tagName)[1];
abTags[abTestName] = abMetaTags[tagName].getAttribute('content');
return abTags;
}, {});
abMetaTags.forEach(function (metaTag) {
var testNameAndBucket = metaTagPattern.exec(metaTag.content);
buckets[testNameAndBucket[1]] = testNameAndBucket[2];
});

return buckets;
}