react-native-reanimated/lib/module/featureFlags/index.js

More powerful alternative to Animated library for React Native.

'use strict';

import { logger } from "../common/index.js";
import { ReanimatedModule } from '../ReanimatedModule';
/** @knipIgnore */
export const DynamicFlags = {
  EXAMPLE_DYNAMIC_FLAG: true,
  init() {
    Object.keys(DynamicFlags).forEach(key => {
      if (key !== 'init' && key !== 'setFlag' && key !== 'getFlag') {
        ReanimatedModule.setDynamicFeatureFlag(key, DynamicFlags[key]);
      }
    });
  },
  setFlag(name, value) {
    if (name in DynamicFlags) {
      DynamicFlags[name] = value;
      ReanimatedModule.setDynamicFeatureFlag(name, value);
    } else {
      logger.warn(`The feature flag: '${name}' no longer exists, you can safely remove invocation of \`setDynamicFeatureFlag('${name}')\` from your code.`);
    }
  },
  getFlag(name) {
    if (name in DynamicFlags) {
      return DynamicFlags[name];
    } else {
      logger.warn(`The feature flag: '${name}' no longer exists, you can safely remove invocation of \`getDynamicFeatureFlag('${name}')\` from your code.`);
      return false;
    }
  }
};
// is-tree-shakable-suppress
DynamicFlags.init();

// Public API function to update a feature flag
export function setDynamicFeatureFlag(name, value) {
  DynamicFlags.setFlag(name, value);
}

// Public API function to read a feature flag
export function getDynamicFeatureFlag(name) {
  return DynamicFlags.getFlag(name);
}
const staticFeatureFlags = {};
export function getStaticFeatureFlag(name) {
  if (name in staticFeatureFlags) {
    return staticFeatureFlags[name];
  }
  const featureFlagValue = ReanimatedModule.getStaticFeatureFlag(name);
  staticFeatureFlags[name] = featureFlagValue;
  return featureFlagValue;
}
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