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node_modules/webpack-bundle-analyzer/src/tree/Folder.js 1.71 KB
ce4c83ff   wxy   初始提交
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  import _ from 'lodash';
  import gzipSize from 'gzip-size';
  
  import Module from './Module';
  import BaseFolder from './BaseFolder';
  import ConcatenatedModule from './ConcatenatedModule';
  import { getModulePathParts } from './utils';
  
  export default class Folder extends BaseFolder {
  
    get parsedSize() {
      return this.src ? this.src.length : 0;
    }
  
    get gzipSize() {
      if (!_.has(this, '_gzipSize')) {
        this._gzipSize = this.src ? gzipSize.sync(this.src) : 0;
      }
  
      return this._gzipSize;
    }
  
    addModule(moduleData) {
      const pathParts = getModulePathParts(moduleData);
  
      if (!pathParts) {
        return;
      }
  
      const [folders, fileName] = [pathParts.slice(0, -1), _.last(pathParts)];
      let currentFolder = this;
  
      _.each(folders, folderName => {
        let childNode = currentFolder.getChild(folderName);
  
        if (
          // Folder is not created yet
          !childNode ||
          // In some situations (invalid usage of dynamic `require()`) webpack generates a module with empty require
          // context, but it's moduleId points to a directory in filesystem.
          // In this case we replace this `File` node with `Folder`.
          // See `test/stats/with-invalid-dynamic-require.json` as an example.
          !(childNode instanceof Folder)
        ) {
          childNode = currentFolder.addChildFolder(new Folder(folderName));
        }
  
        currentFolder = childNode;
      });
  
      const ModuleConstructor = moduleData.modules ? ConcatenatedModule : Module;
      const module = new ModuleConstructor(fileName, moduleData, this);
      currentFolder.addChildModule(module);
    }
  
    toChartData() {
      return {
        ...super.toChartData(),
        parsedSize: this.parsedSize,
        gzipSize: this.gzipSize
      };
    }
  
  };