@antv/f2/lib/attr/category.js

Charts for mobile visualization.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _createSuper2 = _interopRequireDefault(require("@babel/runtime/helpers/createSuper"));
var _scale = require("@antv/scale");
var _base = _interopRequireDefault(require("./base"));
var Category = /*#__PURE__*/function (_Base) {
  (0, _inherits2.default)(Category, _Base);
  var _super = (0, _createSuper2.default)(Category);
  function Category() {
    (0, _classCallCheck2.default)(this, Category);
    return _super.apply(this, arguments);
  }
  (0, _createClass2.default)(Category, [{
    key: "createScale",
    value: function createScale(scaleConfig) {
      return new _scale.Category(scaleConfig);
    }
  }, {
    key: "_mapping",
    value: function _mapping(value) {
      var scale = this.scale,
        range = this.range;
      if (scale.type === 'cat') {
        var _index = scale.translate(value);
        return range[_index % range.length];
      }
      var normalizeValue = scale.scale(value);
      var index = Math.round(normalizeValue * (range.length - 1));
      return range[index];
    }
  }]);
  return Category;
}(_base.default);
var _default = Category;
exports.default = _default;