react-native-web/dist/vendor/react-native/Animated/nodes/AnimatedStyle.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 AnimatedNode from './AnimatedNode';
import AnimatedTransform from './AnimatedTransform';
import AnimatedWithChildren from './AnimatedWithChildren';
import NativeAnimatedHelper from '../NativeAnimatedHelper';
import StyleSheet from '../../../../exports/StyleSheet';
var flattenStyle = StyleSheet.flatten;
function createAnimatedStyle(inputStyle) {
  var style = flattenStyle(inputStyle);
  var animatedStyles = {};
  for (var key in style) {
    var value = style[key];
    if (key === 'transform' && Array.isArray(value)) {
      animatedStyles[key] = new AnimatedTransform(value);
    } else if (value instanceof AnimatedNode) {
      animatedStyles[key] = value;
    } else if (value && !Array.isArray(value) && typeof value === 'object') {
      animatedStyles[key] = createAnimatedStyle(value);
    }
  }
  return animatedStyles;
}
class AnimatedStyle extends AnimatedWithChildren {
  constructor(style) {
    super();
    this._inputStyle = style;
    this._style = createAnimatedStyle(style);
  }

  // Recursively get values for nested styles (like iOS's shadowOffset)
  _walkStyleAndGetValues(style) {
    var updatedStyle = {};
    for (var key in style) {
      var value = style[key];
      if (value instanceof AnimatedNode) {
        if (!value.__isNative) {
          // We cannot use value of natively driven nodes this way as the value we have access from
          // JS may not be up to date.
          updatedStyle[key] = value.__getValue();
        }
      } else if (value && !Array.isArray(value) && typeof value === 'object') {
        // Support animating nested values (for example: shadowOffset.height)
        updatedStyle[key] = this._walkStyleAndGetValues(value);
      } else {
        updatedStyle[key] = value;
      }
    }
    return updatedStyle;
  }
  __getValue() {
    return [this._inputStyle, this._walkStyleAndGetValues(this._style)];
  }

  // Recursively get animated values for nested styles (like iOS's shadowOffset)
  _walkStyleAndGetAnimatedValues(style) {
    var updatedStyle = {};
    for (var key in style) {
      var value = style[key];
      if (value instanceof AnimatedNode) {
        updatedStyle[key] = value.__getAnimatedValue();
      } else if (value && !Array.isArray(value) && typeof value === 'object') {
        // Support animating nested values (for example: shadowOffset.height)
        updatedStyle[key] = this._walkStyleAndGetAnimatedValues(value);
      }
    }
    return updatedStyle;
  }
  __getAnimatedValue() {
    return this._walkStyleAndGetAnimatedValues(this._style);
  }
  __attach() {
    for (var key in this._style) {
      var value = this._style[key];
      if (value instanceof AnimatedNode) {
        value.__addChild(this);
      }
    }
  }
  __detach() {
    for (var key in this._style) {
      var value = this._style[key];
      if (value instanceof AnimatedNode) {
        value.__removeChild(this);
      }
    }
    super.__detach();
  }
  __makeNative() {
    for (var key in this._style) {
      var value = this._style[key];
      if (value instanceof AnimatedNode) {
        value.__makeNative();
      }
    }
    super.__makeNative();
  }
  __getNativeConfig() {
    var styleConfig = {};
    for (var styleKey in this._style) {
      if (this._style[styleKey] instanceof AnimatedNode) {
        var style = this._style[styleKey];
        style.__makeNative();
        styleConfig[styleKey] = style.__getNativeTag();
      }
    }
    NativeAnimatedHelper.validateStyles(styleConfig);
    return {
      type: 'style',
      style: styleConfig
    };
  }
}
export default AnimatedStyle;