@antv/f2/lib/deps/d3-interpolate/src/cubehelix.js

Charts for mobile visualization.

"use strict";

var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.cubehelixLong = void 0;
var _src = require("../../d3-color/src");
var _color = _interopRequireWildcard(require("./color.js"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
function cubehelix(hue) {
  return function cubehelixGamma(y) {
    y = +y;
    function cubehelix(start, end) {
      var h = hue((start = (0, _src.cubehelix)(start)).h, (end = (0, _src.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 = exports.default = cubehelix(_color.hue);
var cubehelixLong = exports.cubehelixLong = cubehelix(_color.default);