create()

in lib/utils/mapped-list.js [82:131]

• 38 lines of code
• 11 McCabe index (conditional complexity)

  create() {
    const { symbols, spriteModules, allModules, rule, moduleGraph, chunkGraph } = this;

    const data = symbols.reduce((acc, symbol) => {
      const resource = symbol.request.file;
      const module = spriteModules.find((m) => {
        return 'resource' in m ? m.resource.split('?')[0] === resource : false;
      });

      let spriteFilename = rule.spriteFilename || loaderDefaults.spriteFilename;

      const chunk = module ? getModuleChunk(module, allModules, moduleGraph, chunkGraph) : null;

      if (typeof spriteFilename !== 'function' && chunk && chunk.name) {
        spriteFilename = spriteFilename.replace('[chunkname]', chunk.name);
      } else if (typeof spriteFilename === 'function') {
        spriteFilename = spriteFilename(resource);
      }

      if (rule && module) {
        acc.push(new MappedListItem(symbol, module, spriteFilename));
      }

      return acc;
    }, []);

    // Additional pass to interpolate [hash] in spriteFilename
    const itemsBySpriteFilename = MappedList.groupItemsBySpriteFilename(data);
    const filenames = Object.keys(itemsBySpriteFilename);

    filenames.forEach((filename) => {
      if (!filename.includes('hash')) {
        return;
      }

      const items = itemsBySpriteFilename[filename];
      const spriteSymbols = items.map(item => item.symbol);
      const content = spriteSymbols.map(s => s.render()).join('');
      const interpolatedName = interpolate(filename, {
        resourcePath: filename,
        content
      });

      items
        .filter(item => item.spriteFilename !== interpolatedName)
        .forEach(item => item.spriteFilename = interpolatedName);
    });

    return data;
  }