@tamagui/react-native-web-lite/src/vendor/react-native/Animated/animations/Animation.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 NativeAnimatedHelper from '../NativeAnimatedHelper'
var startNativeAnimationNextId = 1 // Important note: start() and stop() will only be called at most once.
// Once an animation has been stopped or finished its course, it will
// not be reused.

class Animation {
  start(fromValue, onUpdate, onEnd, previousAnimation, animatedValue) {}

  stop() {
    if (this.__nativeId) {
      NativeAnimatedHelper.API.stopAnimation(this.__nativeId)
    }
  }

  __getNativeAnimationConfig() {
    // Subclasses that have corresponding animation implementation done in native
    // should override this method
    throw new Error('This animation type cannot be offloaded to native')
  } // Helper function for subclasses to make sure onEnd is only called once.

  __debouncedOnEnd(result) {
    var onEnd = this.__onEnd
    this.__onEnd = null
    onEnd && onEnd(result)
  }

  __startNativeAnimation(animatedValue) {
    var startNativeAnimationWaitId = startNativeAnimationNextId + ':startAnimation'
    startNativeAnimationNextId += 1
    NativeAnimatedHelper.API.setWaitingForIdentifier(startNativeAnimationWaitId)

    try {
      var config = this.__getNativeAnimationConfig()

      animatedValue.__makeNative(config.platformConfig)

      this.__nativeId = NativeAnimatedHelper.generateNewAnimationId()
      NativeAnimatedHelper.API.startAnimatingNode(
        this.__nativeId,
        animatedValue.__getNativeTag(),
        config, // $FlowFixMe[method-unbinding] added when improving typing for this parameters
        this.__debouncedOnEnd.bind(this)
      )
    } catch (e) {
      throw e
    } finally {
      NativeAnimatedHelper.API.unsetWaitingForIdentifier(startNativeAnimationWaitId)
    }
  }
}

export default Animation