@thi.ng/fuzzy/var.js

Fuzzy logic operators & configurable rule inferencing engine

const variable = (domain, terms) => ({
  domain,
  terms
});
const classify = ({ terms }, x, threshold = 0) => {
  let max = threshold;
  let maxID;
  for (let id in terms) {
    const t = terms[id](x);
    if (t >= max) {
      max = t;
      maxID = id;
    }
  }
  return maxID;
};
const evaluate = ({ terms }, x) => {
  const res = {};
  for (let id in terms) {
    res[id] = terms[id](x);
  }
  return res;
};
export {
  classify,
  evaluate,
  variable
};