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538 lines
15 KiB
538 lines
15 KiB
2 days ago
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const { readFileSync, existsSync } = require('fs')
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const { resolve } = require('path')
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const { parse } = require('@vue/compiler-dom')
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const parser = require('@babel/parser')
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const traverse = require('@babel/traverse').default
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/**
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* 调用链追溯器
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* 专门用于追溯method类型的触发源到最终的可视控件
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*/
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class CallChainTracer {
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constructor() {
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}
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/**
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* 追溯所有method类型的触发源到可视控件
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* @param {Array} apiMappings - API映射数组
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* @returns {Array} 增强的API映射数组
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*/
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traceMethodTriggersToVisualComponents(apiMappings) {
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const enhancedApiMappings = apiMappings.map(module => {
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const enhancedApiMappings = module.apiMappings.map(api => {
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if (!api.triggerSources || api.triggerSources.length === 0) {
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return api
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}
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// 只处理triggerType为method的触发源
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const enhancedTriggerSources = api.triggerSources.map(trigger => {
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if (trigger.triggerType === 'method') {
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return this.traceMethodToVisualComponent(
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trigger,
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module.module,
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module.serviceName,
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api.apiMethodName
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)
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}
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return trigger
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})
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return {
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...api,
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triggerSources: enhancedTriggerSources
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}
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})
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return {
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...module,
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apiMappings: enhancedApiMappings
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}
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})
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return enhancedApiMappings
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}
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/**
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* 追溯单个method到可视控件
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* @param {Object} trigger - 触发源对象
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* @param {string} moduleName - 模块名称
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* @param {string} serviceName - 服务名称
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* @param {string} apiMethodName - API方法名称
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* @returns {Object} 增强的触发源对象
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*/
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traceMethodToVisualComponent(trigger, moduleName, serviceName, apiMethodName) {
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try {
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// 查找组件文件
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const componentPath = this.findComponentFile(trigger.component, moduleName)
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if (!componentPath) {
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return trigger
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}
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const content = readFileSync(componentPath, 'utf-8')
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// 解析Vue组件
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const ast = this.parseVueComponent(content)
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if (!ast) return trigger
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// 建立函数调用关系映射
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const functionCallMap = this.buildFunctionCallMap(ast)
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// 追溯method到可视控件
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const visualContext = this.traceToVisualComponent(
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trigger.triggerName,
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functionCallMap,
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componentPath,
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trigger.component
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)
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if (visualContext) {
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return {
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...trigger,
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triggerName: visualContext.triggerName,
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triggerType: visualContext.triggerType
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}
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}
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return trigger
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} catch (error) {
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return trigger
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}
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}
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/**
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* 查找组件文件
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* @param {string} componentName - 组件名称
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* @param {string} moduleName - 模块名称
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* @returns {string|null} 组件文件路径
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*/
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findComponentFile(componentName, moduleName) {
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// 优先在指定模块中查找
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if (moduleName) {
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// 检查views目录
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const viewPath = resolve(__dirname, `../../src/renderer/modules/${moduleName}/views/${componentName}.vue`)
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if (existsSync(viewPath)) {
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return viewPath
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}
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// 检查components目录
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const componentPath = resolve(__dirname, `../../src/renderer/modules/${moduleName}/components/${componentName}.vue`)
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if (existsSync(componentPath)) {
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return componentPath
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}
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}
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return null
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}
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/**
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* 解析Vue组件内容
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* @param {string} content - 组件内容
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* @returns {Object|null} AST对象
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*/
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parseVueComponent(content) {
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try {
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// 提取script部分
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const scriptMatch = content.match(/<script[^>]*>([\s\S]*?)<\/script>/)
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if (!scriptMatch) {
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return null
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}
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const scriptContent = scriptMatch[1]
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// 使用Babel解析JavaScript
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const ast = parser.parse(scriptContent, {
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sourceType: 'module',
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plugins: ['jsx', 'typescript']
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})
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return ast
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} catch (error) {
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return null
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}
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}
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/**
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* 建立函数调用关系映射
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* @param {Object} ast - AST对象
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* @returns {Map} 函数调用关系映射
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*/
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buildFunctionCallMap(ast) {
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const functionCallMap = new Map()
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const self = this
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traverse(ast, {
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CallExpression(path) {
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const { node } = path
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if (node.callee && node.callee.type === 'Identifier') {
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const functionName = node.callee.name
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const parentFunction = self.findParentFunction(path)
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if (parentFunction) {
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if (!functionCallMap.has(functionName)) {
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functionCallMap.set(functionName, { callers: [] })
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}
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const funcInfo = functionCallMap.get(functionName)
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if (!funcInfo.callers) funcInfo.callers = []
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funcInfo.callers.push(parentFunction)
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}
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}
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}
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})
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return functionCallMap
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}
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/**
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* 查找父级函数
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* @param {Object} path - Babel路径对象
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* @returns {string|null} 父级函数名
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*/
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findParentFunction(path) {
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let currentPath = path.parentPath
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while (currentPath) {
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const { node } = currentPath
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if (node.type === 'FunctionDeclaration' && node.id) {
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return node.id.name
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}
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if (node.type === 'VariableDeclarator' &&
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node.id && node.id.type === 'Identifier' &&
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node.init && node.init.type === 'ArrowFunctionExpression') {
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return node.id.name
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}
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if (node.type === 'ObjectMethod' && node.key) {
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return node.key.name
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}
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currentPath = currentPath.parentPath
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}
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return null
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}
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/**
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* 追溯method到可视控件
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* @param {string} methodName - 方法名称
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* @param {Map} functionCallMap - 函数调用关系映射
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* @param {string} filePath - 组件文件路径
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* @param {string} componentName - 组件名称
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* @returns {Object|null} 可视控件上下文
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*/
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traceToVisualComponent(methodName, functionCallMap, filePath, componentName) {
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try {
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// 读取组件文件内容
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const content = readFileSync(filePath, 'utf-8')
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// 分析模板中的事件绑定
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const visualContext = this.analyzeTemplateForMethod(content, methodName, componentName, filePath)
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if (visualContext) {
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return visualContext
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}
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// 如果模板中没有找到,检查是否有其他方法调用了这个方法
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const callerContext = this.findMethodCaller(methodName, functionCallMap)
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if (callerContext) {
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// 检查调用者是否是生命周期钩子
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if (this.isLifecycleHook(callerContext)) {
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return {
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triggerName: '',
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triggerType: 'page'
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}
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}
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// 继续递归追溯
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return this.traceToVisualComponent(callerContext, functionCallMap, filePath, componentName)
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}
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} catch (error) {
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// 静默处理错误
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}
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return null
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}
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/**
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* 分析模板中的方法调用
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* @param {string} content - 组件内容
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* @param {string} methodName - 方法名称
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* @param {string} componentName - 组件名称
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* @param {string} filePath - 组件文件路径
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* @returns {Object|null} 可视控件上下文
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*/
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analyzeTemplateForMethod(content, methodName, componentName, filePath) {
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try {
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// 使用Vue编译器解析单文件组件
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const { descriptor } = parse(content)
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if (!descriptor.template) {
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return null
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}
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// 解析模板AST
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const templateAst = descriptor.template.ast
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if (!templateAst) {
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return null
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}
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// 遍历模板AST,查找事件绑定
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return this.findEventBindingInTemplate(templateAst, methodName, componentName, filePath)
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} catch (error) {
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return null
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}
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}
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/**
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* 在模板AST中查找事件绑定
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* @param {Object} node - AST节点
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* @param {string} methodName - 方法名称
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* @param {string} componentName - 组件名称
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* @param {string} filePath - 组件文件路径
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* @returns {Object|null} 可视组件上下文
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*/
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findEventBindingInTemplate(node, methodName, componentName, filePath) {
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if (!node) return null
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// 检查当前节点是否有事件绑定
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if (node.props) {
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for (const prop of node.props) {
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if (prop.type === 7) { // DIRECTIVE类型
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const eventName = prop.name
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if (eventName === 'on' && prop.arg) {
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const eventType = prop.arg.content
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if (['click', 'submit', 'change', 'input'].includes(eventType)) {
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// 检查事件处理函数
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if (prop.exp && this.isMethodCall(prop.exp, methodName)) {
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const context = this.createVisualContext(node, eventType, componentName, methodName, filePath)
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// 如果找到的是form,需要查找其中的submit按钮
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if (context.triggerType === 'form') {
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const submitButton = this.findSubmitButtonInForm(node, componentName, methodName, filePath)
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if (submitButton) {
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return submitButton
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}
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}
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return context
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}
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}
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}
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}
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}
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}
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// 递归检查子节点
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if (node.children) {
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for (const child of node.children) {
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if (child.type === 1) { // ELEMENT类型
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const result = this.findEventBindingInTemplate(child, methodName, componentName, filePath)
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if (result) return result
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}
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}
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}
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return null
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}
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/**
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* 在form中查找submit按钮
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* @param {Object} formNode - form AST节点
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* @param {string} componentName - 组件名称
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* @param {string} methodName - 方法名称
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* @param {string} filePath - 组件文件路径
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* @returns {Object|null} submit按钮上下文
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*/
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findSubmitButtonInForm(formNode, componentName, methodName, filePath) {
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if (!formNode || !formNode.children) return null
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// 递归查找submit按钮
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for (const child of formNode.children) {
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if (child.type === 1) { // ELEMENT类型
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if (child.tag === 'button') {
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// 检查是否是submit按钮
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const props = child.props || []
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const attributes = {}
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props.forEach(prop => {
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if (prop.type === 6) { // ATTRIBUTE
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attributes[prop.name] = prop.value ? prop.value.content : ''
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}
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})
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if (attributes.type === 'submit') {
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let triggerName = attributes.name
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if (!triggerName) {
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// 生成唯一的name属性:组件名+唯一尾缀
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triggerName = `${componentName.toLowerCase()}-submit-${this.generateUniqueSuffix()}`
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}
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return {
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triggerName: triggerName,
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triggerType: 'button'
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}
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}
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}
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// 递归查找子元素
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const result = this.findSubmitButtonInForm(child, componentName, methodName, filePath)
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if (result) return result
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}
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}
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return null
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}
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/**
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* 检查表达式是否是方法调用
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* @param {Object} exp - 表达式节点
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* @param {string} methodName - 方法名称
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* @returns {boolean} 是否是方法调用
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*/
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isMethodCall(exp, methodName) {
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if (!exp) return false
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// 简单的方法调用:methodName
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if (exp.type === 4 && exp.content === methodName) { // SIMPLE_EXPRESSION
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return true
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}
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// 带参数的方法调用:methodName(...) - 检查content是否以methodName开头
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if (exp.type === 4 && exp.content && exp.content.startsWith(methodName + '(')) {
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return true
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}
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// 带参数的方法调用:methodName(...)
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if (exp.type === 8) { // COMPOUND_EXPRESSION
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const children = exp.children
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|
if (children && children.length >= 1) {
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const firstChild = children[0]
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if (firstChild.type === 4 && firstChild.content === methodName) {
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return true
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}
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}
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}
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// 检查AST中的方法调用
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|
if (exp.ast) {
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return this.checkAstMethodCall(exp.ast, methodName)
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}
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return false
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}
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/**
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* 检查AST中的方法调用
|
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* @param {Object} ast - AST节点
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||
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* @param {string} methodName - 方法名称
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* @returns {boolean} 是否是方法调用
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*/
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checkAstMethodCall(ast, methodName) {
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|
if (!ast) return false
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// 简单标识符:methodName
|
||
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if (ast.type === 'Identifier' && ast.name === methodName) {
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return true
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}
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// 方法调用:methodName(...)
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if (ast.type === 'CallExpression') {
|
||
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if (ast.callee && ast.callee.type === 'Identifier' && ast.callee.name === methodName) {
|
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return true
|
||
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}
|
||
|
}
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||
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return false
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||
|
}
|
||
|
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||
|
/**
|
||
|
* 创建可视组件上下文
|
||
|
* @param {Object} node - AST节点
|
||
|
* @param {string} eventType - 事件类型
|
||
|
* @param {string} componentName - 组件名称
|
||
|
* @param {string} methodName - 方法名称
|
||
|
* @param {string} filePath - 组件文件路径
|
||
|
* @returns {Object} 可视组件上下文
|
||
|
*/
|
||
|
createVisualContext(node, eventType, componentName, methodName, filePath) {
|
||
|
const tag = node.tag
|
||
|
const props = node.props || []
|
||
|
|
||
|
// 提取元素属性
|
||
|
const attributes = {}
|
||
|
props.forEach(prop => {
|
||
|
if (prop.type === 6) { // ATTRIBUTE
|
||
|
attributes[prop.name] = prop.value ? prop.value.content : ''
|
||
|
}
|
||
|
})
|
||
|
|
||
|
let triggerName = attributes.name || attributes.id || ''
|
||
|
let triggerType = 'button' // 默认类型
|
||
|
|
||
|
// 根据标签类型确定触发源类型
|
||
|
if (tag === 'form') {
|
||
|
triggerType = 'form'
|
||
|
} else if (tag === 'button') {
|
||
|
triggerType = 'button'
|
||
|
} else if (tag === 'input') {
|
||
|
triggerType = 'input'
|
||
|
} else if (tag === 'select') {
|
||
|
triggerType = 'select'
|
||
|
} else if (tag === 'textarea') {
|
||
|
triggerType = 'textarea'
|
||
|
} else {
|
||
|
// 其他元素类型
|
||
|
triggerType = 'element'
|
||
|
}
|
||
|
|
||
|
// 如果没有名称,生成一个
|
||
|
if (!triggerName) {
|
||
|
triggerName = `${componentName.toLowerCase()}-${tag}-${this.generateUniqueSuffix()}`
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
triggerName: triggerName,
|
||
|
triggerType: triggerType
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 查找方法的调用者
|
||
|
* @param {string} methodName - 方法名称
|
||
|
* @param {Map} functionCallMap - 函数调用关系映射
|
||
|
* @returns {string|null} 调用者方法名
|
||
|
*/
|
||
|
findMethodCaller(methodName, functionCallMap) {
|
||
|
const funcInfo = functionCallMap.get(methodName)
|
||
|
if (funcInfo && funcInfo.callers && funcInfo.callers.length > 0) {
|
||
|
// 返回第一个调用者
|
||
|
return funcInfo.callers[0]
|
||
|
}
|
||
|
return null
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 检查方法名是否是生命周期钩子
|
||
|
* @param {string} methodName - 方法名称
|
||
|
* @returns {boolean} 是否是生命周期钩子
|
||
|
*/
|
||
|
isLifecycleHook(methodName) {
|
||
|
const lifecycleHooks = [
|
||
|
'onMounted', 'onCreated', 'onBeforeMount', 'onBeforeCreate',
|
||
|
'onUpdated', 'onBeforeUpdate', 'onUnmounted', 'onBeforeUnmount',
|
||
|
'mounted', 'created', 'beforeMount', 'beforeCreate',
|
||
|
'updated', 'beforeUpdate', 'unmounted', 'beforeUnmount',
|
||
|
'setup'
|
||
|
]
|
||
|
return lifecycleHooks.includes(methodName)
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 生成唯一后缀
|
||
|
* @returns {string} 唯一后缀
|
||
|
*/
|
||
|
generateUniqueSuffix() {
|
||
|
return Math.random().toString(36).substr(2, 6)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
module.exports = CallChainTracer
|