如何在没有Firefox添加“不安全”前缀的情况下链接到数据URL

I'm trying to create a download link in an angular app that makes data in a model downloadable as a CSV file. I have it all working except for the actual download link. Using filesaver.js is blowing up unit tests in Karma so I'm exploring just doing it manually.I'm trying to create a download link in an angu