Emissions

Installation

npm install @danhartley/emissions

Use

In a node environment e.g. to run an e2e test.
In the browser.

Node

Simple Puppeteer example

See E2E test for emissions

The example takes a URL as an argument on the command line and returns an emissions report. A lighthouse report is optional.

Production code

See E2E test for single page emissions
See E2E test that tracks emissions across actions

Browser

See Vanilla JS helper function
See React component in TypeScript