zeplin-extension-style-kit/values/gradient/conicGradient.js

Models and utilities to generate CSS-like style code in Zeplin extensions.

"use strict";

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

var _angle = _interopRequireDefault(require("../angle"));

var _angularColorStop = _interopRequireDefault(require("./angularColorStop"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

/**
 * In math and design tools 0deg corresponds to the angle in east
 * whereas in CSS it is the angle in north.
 */
var CSS_ANGLE_DIFFERENCE = 0.25;

var ConicGradient = /*#__PURE__*/function () {
  function ConicGradient(colorStops) {
    _classCallCheck(this, ConicGradient);

    var sortedColorStops = _toConsumableArray(colorStops).sort(function (_ref, _ref2) {
      var a = _ref.position;
      var b = _ref2.position;
      return a - b;
    });

    var firstPosition = sortedColorStops[0].position;
    this.from = firstPosition + CSS_ANGLE_DIFFERENCE;
    this.colorStops = sortedColorStops.map(function (_ref3) {
      var color = _ref3.color,
          position = _ref3.position;
      return new _angularColorStop.default({
        color,
        position: position - firstPosition
      });
    });

    if (sortedColorStops[sortedColorStops.length - 1].position !== 1) {
      this.colorStops.push(new _angularColorStop.default({
        position: 1,
        color: sortedColorStops[0].color
      }));
    }
  }

  _createClass(ConicGradient, [{
    key: "valueOf",
    value: function valueOf() {
      var center = this.center,
          colorStops = this.colorStops;
      return "conicGradient::cx:".concat(center.x, ":cy:").concat(center.y, ":").concat(colorStops.map(function (cs) {
        return cs.valueOf();
      }).join(":"));
    }
  }, {
    key: "equals",
    value: function equals(other) {
      return this.center.x === other.center.x && this.center.y === other.center.y && this.colorStops.length === other.colorStops.length && this.colorStops.every(function (cs, index) {
        return cs.equals(other.colorStops[index]);
      });
    }
  }, {
    key: "toStyleValue",
    value: function toStyleValue(_ref4, variables) {
      var colorFormat = _ref4.colorFormat;
      var from = this.from,
          colorStops = this.colorStops;
      var colorStopStyle = colorStops.map(function (cs) {
        return cs.toStyleValue({
          colorFormat
        }, variables);
      }).join(", ");
      return "conic-gradient(from ".concat(new _angle.default(from, "turn").toStyleValue(), ", ").concat(colorStopStyle, ")");
    }
  }]);

  return ConicGradient;
}();

var _default = ConicGradient;
exports.default = _default;