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Full task description here: https://phabricator.wikimedia.org/T118634

We use the node.js html-metadata library to scrape metadata from webpages to create a citation. Editors can use this citation when they're writing or editing an article on Wikipedia as a reference.

You should create a function called exports.parseEprints in https://github.com/wikimedia/html-metadata/blob/master/lib/index.js that scrapes all the eprints tags, and creates a javascript object.