react-native-web/dist/vendor/react-native/Animated/AnimatedMock.js

React Native for Web

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * 
 * @format
 */

'use strict';

import _objectSpread from "@babel/runtime/helpers/objectSpread2";
import { AnimatedEvent, attachNativeEvent } from './AnimatedEvent';
import AnimatedImplementation from './AnimatedImplementation';
import AnimatedInterpolation from './nodes/AnimatedInterpolation';
import AnimatedNode from './nodes/AnimatedNode';
import AnimatedValue from './nodes/AnimatedValue';
import AnimatedValueXY from './nodes/AnimatedValueXY';
import createAnimatedComponent from './createAnimatedComponent';
import AnimatedColor from './nodes/AnimatedColor';

/**
 * Animations are a source of flakiness in snapshot testing. This mock replaces
 * animation functions from AnimatedImplementation with empty animations for
 * predictability in tests. When possible the animation will run immediately
 * to the final state.
 */

// Prevent any callback invocation from recursively triggering another
// callback, which may trigger another animation
var inAnimationCallback = false;
function mockAnimationStart(start) {
  return callback => {
    var guardedCallback = callback == null ? callback : function () {
      if (inAnimationCallback) {
        console.warn('Ignoring recursive animation callback when running mock animations');
        return;
      }
      inAnimationCallback = true;
      try {
        callback(...arguments);
      } finally {
        inAnimationCallback = false;
      }
    };
    start(guardedCallback);
  };
}
var emptyAnimation = {
  start: () => {},
  stop: () => {},
  reset: () => {},
  _startNativeLoop: () => {},
  _isUsingNativeDriver: () => {
    return false;
  }
};
var mockCompositeAnimation = animations => _objectSpread(_objectSpread({}, emptyAnimation), {}, {
  start: mockAnimationStart(callback => {
    animations.forEach(animation => animation.start());
    callback == null ? void 0 : callback({
      finished: true
    });
  })
});
var spring = function spring(value, config) {
  var anyValue = value;
  return _objectSpread(_objectSpread({}, emptyAnimation), {}, {
    start: mockAnimationStart(callback => {
      anyValue.setValue(config.toValue);
      callback == null ? void 0 : callback({
        finished: true
      });
    })
  });
};
var timing = function timing(value, config) {
  var anyValue = value;
  return _objectSpread(_objectSpread({}, emptyAnimation), {}, {
    start: mockAnimationStart(callback => {
      anyValue.setValue(config.toValue);
      callback == null ? void 0 : callback({
        finished: true
      });
    })
  });
};
var decay = function decay(value, config) {
  return emptyAnimation;
};
var sequence = function sequence(animations) {
  return mockCompositeAnimation(animations);
};
var parallel = function parallel(animations, config) {
  return mockCompositeAnimation(animations);
};
var delay = function delay(time) {
  return emptyAnimation;
};
var stagger = function stagger(time, animations) {
  return mockCompositeAnimation(animations);
};
var loop = function loop(animation, // $FlowFixMe[prop-missing]
_temp) {
  var _ref = _temp === void 0 ? {} : _temp,
    _ref$iterations = _ref.iterations,
    iterations = _ref$iterations === void 0 ? -1 : _ref$iterations;
  return emptyAnimation;
};
export default {
  Value: AnimatedValue,
  ValueXY: AnimatedValueXY,
  Color: AnimatedColor,
  Interpolation: AnimatedInterpolation,
  Node: AnimatedNode,
  decay,
  timing,
  spring,
  add: AnimatedImplementation.add,
  subtract: AnimatedImplementation.subtract,
  divide: AnimatedImplementation.divide,
  multiply: AnimatedImplementation.multiply,
  modulo: AnimatedImplementation.modulo,
  diffClamp: AnimatedImplementation.diffClamp,
  delay,
  sequence,
  parallel,
  stagger,
  loop,
  event: AnimatedImplementation.event,
  createAnimatedComponent,
  attachNativeEvent,
  forkEvent: AnimatedImplementation.forkEvent,
  unforkEvent: AnimatedImplementation.unforkEvent,
  Event: AnimatedEvent
};