@macrostrat/column-components/dist/chroma-js/src/generator/mix.js

React rendering primitives for stratigraphic columns

import Color from "../Color.js";
import type from "../utils/type.js";
import index from "../interpolator/index.js";
const mix = (col1, col2, f = 0.5, ...rest) => {
  let mode = rest[0] || "lrgb";
  if (!index[mode] && !rest.length) {
    mode = Object.keys(index)[0];
  }
  if (!index[mode]) {
    throw new Error(`interpolation mode ${mode} is not defined`);
  }
  if (type(col1) !== "object") col1 = new Color(col1);
  if (type(col2) !== "object") col2 = new Color(col2);
  return index[mode](col1, col2, f).alpha(
    col1.alpha() + f * (col2.alpha() - col1.alpha())
  );
};
export {
  mix as default
};
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