EcoIndex - JS

This project provides methods for the EcoIndex calculation.

It is based on the work of the association GreenIT and the web extension GreenIT-Analysis.

The sources are based on the initial Web Extension (https://github.com/cnumr/GreenIT-Analysis/blob/master/script/ecoIndex.js) code. The calculation method is discribed on here : (EcoIndex pouplation)

Install

Install package with npm
npm install ecoindex

How to use ?

computeEcoIndex(dom, req, size)

computeEcoIndex returns the ecoIndex according to 3 parameters.

Parameters

Name	Type	Description
dom	number	Number of DOM elements
req	number	Number of requests
size	number	Size of response (Ko)

Example

import {computeEcoIndex} from "ecoindex";

const ecoIndex = computeEcoIndex(dom, req, size);

getEcoIndexGrade(ecoIndex)

getEcoIndexGrade returns the grade according to the ecoIndex value.

Parameters

Name	Type	Description
ecoIndex	number	The EcoIndex value

Example

import {computeEcoIndex, getEcoIndexGrade} from "ecoindex";

const ecoIndex = computeEcoIndex(dom, req, size);
const grade = getEcoIndexGrade(ecoIndex);

Testing

We use mocha for testing. You can launch tests using this command :

npm test

License

Disclaimer

The LCA values used by ecoindex to evaluate environmental impacts are not under free license - ©Frédéric Bordage
Please also refer to the mentions provided in the code files for specifics on the IP regime.