victory-vendor/lib-vendor/d3-interpolate/src/cubehelix.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.cubehelixLong = void 0;

var _index = require("../../../lib-vendor/d3-color/src/index.js");

var _color = _interopRequireWildcard(require("./color.js"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function cubehelix(hue) {
  return function cubehelixGamma(y) {
    y = +y;

    function cubehelix(start, end) {
      var h = hue((start = (0, _index.cubehelix)(start)).h, (end = (0, _index.cubehelix)(end)).h),
          s = (0, _color.default)(start.s, end.s),
          l = (0, _color.default)(start.l, end.l),
          opacity = (0, _color.default)(start.opacity, end.opacity);
      return function (t) {
        start.h = h(t);
        start.s = s(t);
        start.l = l(Math.pow(t, y));
        start.opacity = opacity(t);
        return start + "";
      };
    }

    cubehelix.gamma = cubehelixGamma;
    return cubehelix;
  }(1);
}

var _default = cubehelix(_color.hue);

exports.default = _default;
var cubehelixLong = cubehelix(_color.default);
exports.cubehelixLong = cubehelixLong;