@thi.ng/imago/ops/grayscale.js

JSON & API-based declarative and extensible image processing trees/pipelines

import { isNumber } from "@thi.ng/checks";
const grayscaleProc = async (spec, input) => {
  const { gamma } = spec;
  if (gamma !== false) {
    input = input.gamma(isNumber(gamma) ? gamma : void 0);
  }
  return [input.grayscale(), true];
};
export {
  grayscaleProc
};