react-native-navigation/lib/module/commands/LayoutTreeCrawler.js

React Native Navigation - truly native navigation for iOS and Android

"use strict";

import { LayoutType } from "./LayoutType.js";
export class LayoutTreeCrawler {
  constructor(store, optionsProcessor) {
    this.store = store;
    this.optionsProcessor = optionsProcessor;
    this.crawl = this.crawl.bind(this);
  }
  crawl(node, commandName) {
    if (node.type === LayoutType.Component) {
      this.handleComponent(node);
    }
    const componentProps = this.store.getPropsForId(node.id) || undefined;
    this.optionsProcessor.processOptions(commandName, node.data.options, componentProps);
    node.children.forEach(value => this.crawl(value, commandName));
  }
  handleComponent(node) {
    this.assertComponentDataName(node);
    this.savePropsToStore(node);
    node.data.passProps = undefined;
  }
  savePropsToStore(node) {
    this.store.setPendingProps(node.id, node.data.passProps);
  }
  assertComponentDataName(component) {
    if (!component.data.name) {
      throw new Error('Missing component data.name');
    }
  }
}
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