manta/gofaster/app/plugins/modules/file-generator.js

const { writeFileSync, existsSync } = require('fs')
const { resolve } = require('path')

/**
 * 文件生成模块
 * 负责生成最终的映射文件
 */
class FileGenerator {
  constructor() {
    this.outputPath = resolve(__dirname, '../../src/renderer/modules/route-sync/direct-route-mappings.js')
  }

  /**
   * 生成映射文件
   * @param {Array} routes - 路由数组
   * @param {Array} apiMappings - API映射数组
   */
  generateMappingFile(routes, apiMappings) {
    const content = this.generateFileContent(routes, apiMappings)
    
    // 如果文件已存在，先清空内容
    if (existsSync(this.outputPath)) {
      writeFileSync(this.outputPath, '', 'utf-8')
    }
    
    // 写入新内容
    writeFileSync(this.outputPath, content, 'utf-8')
  }

  /**
   * 生成文件内容
   * @param {Array} routes - 路由数组
   * @param {Array} apiMappings - API映射数组
   * @returns {string} 文件内容
   */
  generateFileContent(routes, apiMappings) {
    const header = `// 此文件由 route-mapping-plugin 在构建时生成
// 包含路由配置分析结果和API收集结果

export default {
  // 路由配置分析结果
  routes: ${JSON.stringify(routes, null, 2)},
  
  // API收集结果（包含页面关联和路径完善）
  apiMappings: ${JSON.stringify(apiMappings, null, 2)}
}`
    
    return header
  }

  /**
   * 优化API映射
   * @param {Array} apiMappings - API映射数组
   * @returns {Array} 优化后的API映射数组
   */
  optimizeApiMappings(apiMappings) {
    const optimizedApiMappings = []
    let totalRemoved = 0
    
    apiMappings.forEach(moduleMapping => {
      const deduplicatedApiMappings = []
      
      moduleMapping.apiMappings.forEach(apiMapping => {
        // 删除无触发器的API映射
        if (!apiMapping.triggerSources || apiMapping.triggerSources.length === 0) {
          totalRemoved++
          return
        }
        
        // 去重触发器源
        const uniqueTriggerSources = this.deduplicateTriggerSources(apiMapping.triggerSources)
        
        deduplicatedApiMappings.push({
          ...apiMapping,
          triggerSources: uniqueTriggerSources
        })
      })
      
      if (deduplicatedApiMappings.length > 0) {
        optimizedApiMappings.push({
          ...moduleMapping,
          apiMappings: deduplicatedApiMappings
        })
      }
    })
    
    return optimizedApiMappings
  }

  /**
   * 去重触发器源
   * @param {Array} triggerSources - 触发器源数组
   * @returns {Array} 去重后的触发器源数组
   */
  deduplicateTriggerSources(triggerSources) {
    const seen = new Set()
    return triggerSources.filter(trigger => {
      const key = `${trigger.component}-${trigger.triggerName}-${trigger.triggerType}`
      if (seen.has(key)) {
        return false
      }
      seen.add(key)
      return true
    })
  }
}

module.exports = FileGenerator