eulejs/example/esmodule/example.js

Euler's diagrams are non-empty Venn's diagrams.

import pkg from 'eulejs';
const { euler } = pkg;

const diagram = euler({
  a: [1, 2, 3],
  b: [2, 3, 4],
  c: [3, 4, 5],
  d: [3, 5, 6],
});

/* 
 *Euler dictionary:
 *
 * {
 *   'a,b': [2],
 *   'b,c': [4],
 *   'a,b,c,d': [3],
 *   'c,d': [5],
 *   'd': [6],
 *   'a': [1]
 * }
 */
console.log(diagram);