addimated/lib/AnimatedValueXY.js

An always interruptable, declarative animation library for React

import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _possibleConstructorReturn from "@babel/runtime/helpers/esm/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/esm/getPrototypeOf";
import _inherits from "@babel/runtime/helpers/esm/inherits";
import invariant from "invariant";
import { AnimatedValue } from "./AnimatedValue";
import { AnimatedWithChildren } from "./AnimatedWithChildren";

var AnimatedValueXY =
/*#__PURE__*/
function (_AnimatedWithChildren) {
  _inherits(AnimatedValueXY, _AnimatedWithChildren);

  function AnimatedValueXY(valueIn, manager) {
    var _this;

    _classCallCheck(this, AnimatedValueXY);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(AnimatedValueXY).call(this));
    var value = valueIn || {
      x: 0,
      y: 0
    };

    if (typeof value.x === "number" && typeof value.y === "number") {
      _this.x = new AnimatedValue(value.x, manager);
      _this.y = new AnimatedValue(value.y, manager);
    } else {
      !(value.x instanceof AnimatedValue && value.y instanceof AnimatedValue) ? process.env.NODE_ENV !== "production" ? invariant(false, "AnimatedValueXY must be initalized with an object of numbers or " + "AnimatedValues.") : invariant(false) : void 0;
      _this.x = value.x;
      _this.y = value.y;
    }

    return _this;
  }

  _createClass(AnimatedValueXY, [{
    key: "setValue",
    value: function setValue(value) {
      this.x.setValue(value.x);
      this.y.setValue(value.y);
    }
  }, {
    key: "setOffset",
    value: function setOffset(offset) {
      this.x.setOffset(offset.x);
      this.y.setOffset(offset.y);
    }
  }, {
    key: "flattenOffset",
    value: function flattenOffset() {
      this.x.flattenOffset();
      this.y.flattenOffset();
    }
  }, {
    key: "extractOffset",
    value: function extractOffset() {
      this.x.extractOffset();
      this.y.extractOffset();
    }
  }, {
    key: "__getValue",
    value: function __getValue() {
      return {
        x: this.x.__getValue(),
        y: this.y.__getValue()
      };
    }
  }, {
    key: "stopAnimations",
    value: function stopAnimations(callback) {
      this.x.stopAnimations();
      this.y.stopAnimations();
      callback && callback(this.__getValue());
    }
    /**
     * Converts `{x, y}` into `{left, top}` for use in style, e.g.
     *
     *```javascript
     *  style={this.state.anim.getLayout()}
     *```
     */

  }, {
    key: "getLayout",
    value: function getLayout() {
      return {
        left: this.x,
        top: this.y
      };
    }
    /**
     * Converts `{x, y}` into a useable translation transform, e.g.
     *
     *```javascript
     *  style={{
     *    transform: this.state.anim.getTranslateTransform()
     *  }}
     *```
     */

  }, {
    key: "getTranslateTransform",
    value: function getTranslateTransform() {
      return [{
        translateX: this.x
      }, {
        translateY: this.y
      }];
    }
  }]);

  return AnimatedValueXY;
}(AnimatedWithChildren);

export { AnimatedValueXY };
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