indigo is a web extension developed by 欧几里喵. It is a free Chrome extension that falls under the category of Browsers and the subcategory of Add-ons & Tools. The main purpose of indigo is to collect coverage data from web page operations and convert it into a report format supported by istanbul.

To use indigo, simply enter a web page and click on the start button provided by the extension. As you navigate and interact with the web page, indigo will collect coverage data in the background. Once you are done, you can click the stop button to end the data collection process.

Additionally, indigo offers the option to view historical records. By clicking on the "Options" button within the extension, users can access and review their past coverage data.

Overall, indigo is a useful tool for developers and testers who need to gather coverage data from web page operations. With its simple interface and seamless integration into Chrome, indigo provides an efficient solution for collecting and analyzing coverage data.