refactor(core): 统一模板引擎到 src/template/ 目录
- 将 agent/prompt-template/ 目录合并到 src/template/
- 新增通用模板函数 renderTemplate、render
- 新增 Agent 特定函数 renderPromptTemplate、renderPrompt
- 新增 createToolDescriptionContext 支持工具描述模板变量
- 支持 ${GREP_TOOL_NAME} 等 Claude Code 风格变量
- 更新所有相关导入路径
This commit is contained in:
@@ -17,7 +17,7 @@ import type {
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} from './types.js';
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import { checkBashPermission, isPathInAllowedWritePaths } from './permission-merger.js';
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import { getProviderRegistry } from '../provider/index.js';
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import { renderTemplate, createPlanContext } from './prompt-template/index.js';
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import { renderPromptTemplate, createPlanContext } from '../template/index.js';
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/**
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* Agent 执行器
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@@ -298,7 +298,7 @@ export class AgentExecutor {
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workdir: process.cwd(),
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isSubagent: this.agentInfo.mode === 'subagent',
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});
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return renderTemplate(this.agentInfo.prompt, context);
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return renderPromptTemplate(this.agentInfo.prompt, context);
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}
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return this.agentInfo.prompt;
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}
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@@ -61,15 +61,18 @@ export {
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// System Prompt
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export { SystemPrompt } from './system-prompt.js';
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// Prompt Template
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// Prompt Template (re-export from ../template/)
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export {
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renderTemplate,
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render,
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renderPromptTemplate,
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renderPrompt,
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createDefaultContext,
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createPlanContext,
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createToolDescriptionContext,
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checkPlanFileExists,
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DEFAULT_TOOL_NAMES,
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} from './prompt-template/index.js';
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} from '../template/index.js';
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export type {
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PromptContext,
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@@ -79,4 +82,4 @@ export type {
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PlanModeContext,
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EnvContext,
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AgentContext,
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} from './prompt-template/index.js';
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} from '../template/index.js';
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@@ -21,8 +21,10 @@ import {
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agentRegistry,
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AgentExecutor,
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checkBashPermission,
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renderTemplate,
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renderPromptTemplate,
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createPlanContext,
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createToolDescriptionContext,
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type PromptContext,
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} from '../agent/index.js';
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import { loadVisionConfig } from '../utils/config.js';
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import { getProviderRegistry, resolveApiKey } from '../provider/index.js';
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@@ -104,6 +106,9 @@ export class Agent {
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// 原始 system prompt(用于切换回 default 时恢复)
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private originalSystemPrompt: string;
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// 工具描述渲染上下文缓存
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private toolDescriptionContext: PromptContext | null = null;
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constructor(config: AgentConfig, compressionConfig?: Partial<CompressionConfig>) {
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this.config = config;
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this.originalSystemPrompt = config.systemPrompt;
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@@ -244,6 +249,33 @@ export class Agent {
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return filteredTools;
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}
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/**
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* 获取或创建工具描述渲染上下文
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*/
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private getToolDescriptionContext(): PromptContext {
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if (!this.toolDescriptionContext) {
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this.toolDescriptionContext = createToolDescriptionContext({
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agent: {
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name: this.currentAgentMode?.name ?? 'default',
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mode: this.currentAgentMode?.mode ?? 'primary',
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isSubagent: this.currentAgentMode?.mode === 'subagent',
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},
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});
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}
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return this.toolDescriptionContext;
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}
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/**
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* 渲染工具描述中的模板变量
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*/
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private renderToolDescription(description: string): string {
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const context = this.getToolDescriptionContext();
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return renderPromptTemplate(description, context, {
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throwOnUndefined: false,
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undefinedValue: '',
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});
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}
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/**
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* 将工具转换为 Vercel AI SDK 的工具格式
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*/
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@@ -254,9 +286,10 @@ export class Agent {
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for (const tool of availableTools) {
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const schema = buildZodSchema(tool.parameters);
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const renderedDescription = this.renderToolDescription(tool.description);
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vercelTools[tool.name] = {
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description: tool.description,
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description: renderedDescription,
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inputSchema: schema,
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execute: async (params) => {
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const args = params as Record<string, unknown>;
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@@ -755,6 +788,9 @@ export class Agent {
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* @param agent AgentInfo 对象或模式字符串 ('build'/'plan')
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*/
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setAgentMode(agent: AgentInfo | 'build' | 'plan' | null): void {
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// 清除工具描述上下文缓存,下次使用时重新创建
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this.toolDescriptionContext = null;
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// 如果是字符串模式,从 registry 获取预设
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if (typeof agent === 'string') {
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const presetAgent = agentRegistry.get(agent);
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@@ -809,7 +845,7 @@ export class Agent {
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workdir: process.cwd(),
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isSubagent: agent.mode === 'subagent',
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});
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return renderTemplate(agent.prompt, context);
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return renderPromptTemplate(agent.prompt, context);
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}
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return agent.prompt;
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@@ -259,3 +259,31 @@ export {
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getCacheDir,
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getLogsDir,
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} from './constants/index.js';
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// Template - 通用模板引擎
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export {
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// 通用模板渲染
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renderTemplate,
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render,
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// Agent 特定函数
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renderPromptTemplate,
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renderPrompt,
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createDefaultContext,
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createPlanContext,
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createToolDescriptionContext,
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checkPlanFileExists,
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DEFAULT_TOOL_NAMES,
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} from './template/index.js';
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export type {
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TemplateContext,
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Template,
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RenderOptions,
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// Agent 特定类型
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PromptContext,
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PromptTemplate,
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ToolNameMapping,
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PlanModeContext,
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EnvContext,
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AgentContext,
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} from './template/index.js';
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+15
-6
@@ -1,25 +1,29 @@
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/**
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* 提示词模板系统
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* 通用模板引擎
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*
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* 提供动态提示词生成能力,支持:
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* 提供动态模板渲染能力,支持:
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* - ${variable} 变量替换
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* - ${obj.prop} 嵌套属性访问
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* - ${condition ? "trueValue" : "falseValue"} 条件表达式
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*
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* @example
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* ```typescript
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* import { renderTemplate, createPlanContext } from './prompt-template';
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* import { renderTemplate } from '@ai-assistant/core/template';
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*
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* const context = createPlanContext({ workdir: '/path/to/project' });
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* const prompt = renderTemplate(template, context);
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* const context = { name: 'World', count: 42 };
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* const result = renderTemplate('Hello ${name}, count is ${count}', context);
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* // => "Hello World, count is 42"
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* ```
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*/
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// 类型导出
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export type {
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TemplateContext,
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Template,
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RenderOptions,
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// Agent 特定类型
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PromptContext,
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PromptTemplate,
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RenderOptions,
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ToolNameMapping,
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PlanModeContext,
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EnvContext,
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@@ -28,10 +32,15 @@ export type {
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// 渲染器导出
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export {
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// 通用模板渲染
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renderTemplate,
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render,
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// Agent 特定函数
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renderPromptTemplate,
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renderPrompt,
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createDefaultContext,
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createPlanContext,
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createToolDescriptionContext,
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checkPlanFileExists,
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DEFAULT_TOOL_NAMES,
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} from './renderer.js';
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+151
-70
@@ -1,5 +1,5 @@
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/**
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* 提示词模板渲染器
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* 通用模板渲染器
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*
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* 支持的语法:
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* - ${variable} - 简单变量替换
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@@ -7,7 +7,14 @@
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* - ${condition ? "trueValue" : "falseValue"} - 条件表达式
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*/
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import type { PromptContext, PromptTemplate, RenderOptions, ToolNameMapping } from './types.js';
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import type {
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TemplateContext,
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Template,
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RenderOptions,
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PromptContext,
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PromptTemplate,
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ToolNameMapping,
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} from './types.js';
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import * as fs from 'fs';
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import * as path from 'path';
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@@ -32,68 +39,6 @@ function getNestedValue(obj: Record<string, unknown>, pathStr: string): unknown
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return current;
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}
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/**
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* 安全的表达式求值器
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* 支持简单的属性访问和三元运算符
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*/
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function evaluateExpression(
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expr: string,
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context: PromptContext,
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options: RenderOptions = {}
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): string {
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// 移除首尾空格
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expr = expr.trim();
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// 处理三元运算符: condition ? trueValue : falseValue
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// 需要处理嵌套的情况,使用更精确的匹配
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const ternaryMatch = findTernaryOperator(expr);
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if (ternaryMatch) {
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const { condition, trueValue, falseValue } = ternaryMatch;
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const conditionResult = evaluateExpression(condition, context, options);
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// 将结果转换为布尔值
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const isTruthy =
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conditionResult !== '' &&
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conditionResult !== 'false' &&
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conditionResult !== 'undefined' &&
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conditionResult !== 'null' &&
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conditionResult !== '0';
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return isTruthy
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? evaluateExpression(trueValue, context, options)
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: evaluateExpression(falseValue, context, options);
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}
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// 处理字符串字面量: "string" 或 'string' 或 `string`
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const stringMatch = expr.match(/^["'`]([\s\S]*)["'`]$/);
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if (stringMatch) {
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// 递归处理字符串中的变量插值
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return renderTemplate(stringMatch[1], context, options);
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}
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// 处理布尔字面量
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if (expr === 'true') return 'true';
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if (expr === 'false') return '';
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// 处理属性访问: obj.prop.subprop
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const value = getNestedValue(context as unknown as Record<string, unknown>, expr);
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if (value === undefined) {
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if (options.throwOnUndefined) {
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throw new Error(`Undefined variable: ${expr}`);
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}
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if (options.debug) {
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console.warn(`[PromptTemplate] Undefined variable: ${expr}`);
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}
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return options.undefinedValue ?? '';
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}
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// 布尔值转换
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if (typeof value === 'boolean') {
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return value ? 'true' : '';
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}
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return String(value);
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}
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/**
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* 查找三元运算符的各个部分
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* 处理嵌套引号的情况
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@@ -152,7 +97,74 @@ function findTernaryOperator(
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}
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/**
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* 渲染提示词模板
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* 安全的表达式求值器
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* 支持简单的属性访问和三元运算符
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*/
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function evaluateExpression(
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expr: string,
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context: TemplateContext,
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options: RenderOptions = {}
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): string {
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// 移除首尾空格
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expr = expr.trim();
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// 处理三元运算符: condition ? trueValue : falseValue
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const ternaryMatch = findTernaryOperator(expr);
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if (ternaryMatch) {
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const { condition, trueValue, falseValue } = ternaryMatch;
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const conditionResult = evaluateExpression(condition, context, options);
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// 将结果转换为布尔值
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const isTruthy =
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conditionResult !== '' &&
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conditionResult !== 'false' &&
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conditionResult !== 'undefined' &&
|
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conditionResult !== 'null' &&
|
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conditionResult !== '0';
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return isTruthy
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? evaluateExpression(trueValue, context, options)
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: evaluateExpression(falseValue, context, options);
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}
|
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|
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// 处理字符串字面量: "string" 或 'string' 或 `string`
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const stringMatch = expr.match(/^["'`]([\s\S]*)["'`]$/);
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if (stringMatch) {
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// 递归处理字符串中的变量插值
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return renderTemplate(stringMatch[1], context, options);
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}
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|
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// 处理布尔字面量
|
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if (expr === 'true') return 'true';
|
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if (expr === 'false') return '';
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|
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// 处理属性访问: obj.prop.subprop
|
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let value = getNestedValue(context, expr);
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|
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// 如果在主上下文中找不到,且是单层变量名,尝试直接访问
|
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// 这支持在 context 根级别定义的变量(如 GREP_TOOL_NAME)
|
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if (value === undefined && !expr.includes('.')) {
|
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value = context[expr];
|
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}
|
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|
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if (value === undefined) {
|
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if (options.throwOnUndefined) {
|
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throw new Error(`Undefined variable: ${expr}`);
|
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}
|
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if (options.debug) {
|
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console.warn(`[Template] Undefined variable: ${expr}`);
|
||||
}
|
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return options.undefinedValue ?? '';
|
||||
}
|
||||
|
||||
// 布尔值转换
|
||||
if (typeof value === 'boolean') {
|
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return value ? 'true' : '';
|
||||
}
|
||||
|
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return String(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* 渲染模板
|
||||
*
|
||||
* @param template 模板字符串
|
||||
* @param context 上下文变量
|
||||
@@ -161,7 +173,7 @@ function findTernaryOperator(
|
||||
*/
|
||||
export function renderTemplate(
|
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template: string,
|
||||
context: PromptContext,
|
||||
context: TemplateContext,
|
||||
options: RenderOptions = {}
|
||||
): string {
|
||||
// 匹配 ${...} 模式,支持嵌套括号和字符串
|
||||
@@ -214,7 +226,7 @@ export function renderTemplate(
|
||||
result.push(value);
|
||||
} catch (error) {
|
||||
if (options.debug) {
|
||||
console.warn(`[PromptTemplate] Expression evaluation failed: ${expression}`, error);
|
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console.warn(`[Template] Expression evaluation failed: ${expression}`, error);
|
||||
}
|
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result.push(`\${${expression}}`); // 保留原始文本
|
||||
}
|
||||
@@ -227,14 +239,47 @@ export function renderTemplate(
|
||||
}
|
||||
|
||||
/**
|
||||
* 渲染 PromptTemplate 对象
|
||||
* 渲染 Template 对象
|
||||
*/
|
||||
export function render(
|
||||
export function render(templateObj: Template, context: TemplateContext, options?: RenderOptions): string {
|
||||
return renderTemplate(templateObj.template, context, options);
|
||||
}
|
||||
|
||||
// ============================================
|
||||
// Agent 特定函数(Prompt Template)
|
||||
// ============================================
|
||||
|
||||
/**
|
||||
* 渲染提示词模板(Agent 特定版本)
|
||||
* 将 custom 中的变量合并到顶层,以支持直接引用(如 ${GREP_TOOL_NAME})
|
||||
*/
|
||||
export function renderPromptTemplate(
|
||||
template: string,
|
||||
context: PromptContext,
|
||||
options: RenderOptions = {}
|
||||
): string {
|
||||
// 将 custom 中的变量合并到顶层上下文,这样 ${GREP_TOOL_NAME} 可以直接访问
|
||||
const flattenedContext: Record<string, unknown> = {
|
||||
...context,
|
||||
...context.custom,
|
||||
};
|
||||
return renderTemplate(template, flattenedContext, options);
|
||||
}
|
||||
|
||||
/**
|
||||
* 渲染提示词模板对象(Agent 特定版本)
|
||||
*/
|
||||
export function renderPrompt(
|
||||
promptTemplate: PromptTemplate,
|
||||
context: PromptContext,
|
||||
options?: RenderOptions
|
||||
): string {
|
||||
return renderTemplate(promptTemplate.template, context, options);
|
||||
// 将 custom 中的变量合并到顶层上下文
|
||||
const flattenedContext: Record<string, unknown> = {
|
||||
...context,
|
||||
...context.custom,
|
||||
};
|
||||
return render({ ...promptTemplate }, flattenedContext, options);
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -345,3 +390,39 @@ export function createPlanContext(options: {
|
||||
},
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* 将驼峰命名转换为大写下划线命名
|
||||
* 例如: askUserQuestion -> ASK_USER_QUESTION
|
||||
*/
|
||||
function camelToUpperSnake(str: string): string {
|
||||
return str.replace(/[A-Z]/g, (c) => `_${c}`).toUpperCase();
|
||||
}
|
||||
|
||||
/**
|
||||
* 创建工具描述渲染上下文
|
||||
*
|
||||
* 除了标准的 PromptContext 变量外,还会在 custom 中添加大写形式的工具名变量,
|
||||
* 以兼容 Claude Code 官方提示词格式(如 ${GREP_TOOL_NAME})。
|
||||
*
|
||||
* 支持的变量格式:
|
||||
* - ${tools.grep} - 小写驼峰形式(项目内部风格)
|
||||
* - ${GREP_TOOL_NAME} - 大写下划线形式(Claude Code 官方风格)
|
||||
*/
|
||||
export function createToolDescriptionContext(overrides?: Partial<PromptContext>): PromptContext {
|
||||
const base = createDefaultContext(overrides);
|
||||
|
||||
// 将 tools 映射转为大写变量放入 custom
|
||||
const toolVars: Record<string, string> = {};
|
||||
for (const [key, value] of Object.entries(base.tools)) {
|
||||
// glob -> GLOB_TOOL_NAME
|
||||
// askUserQuestion -> ASK_USER_QUESTION_TOOL_NAME
|
||||
const upperKey = camelToUpperSnake(key) + '_TOOL_NAME';
|
||||
toolVars[upperKey] = value;
|
||||
}
|
||||
|
||||
return {
|
||||
...base,
|
||||
custom: { ...base.custom, ...toolVars },
|
||||
};
|
||||
}
|
||||
+41
-25
@@ -1,9 +1,46 @@
|
||||
/**
|
||||
* 提示词模板系统 - 类型定义
|
||||
* 通用模板引擎 - 类型定义
|
||||
*
|
||||
* 支持动态变量替换和条件表达式的提示词模板系统
|
||||
* 支持动态变量替换和条件表达式的模板系统
|
||||
*/
|
||||
|
||||
/**
|
||||
* 模板上下文 - 运行时可用的变量
|
||||
*
|
||||
* 支持任意嵌套的键值对结构
|
||||
*/
|
||||
export type TemplateContext = Record<string, unknown>;
|
||||
|
||||
/**
|
||||
* 模板定义
|
||||
*/
|
||||
export interface Template {
|
||||
/** 模板名称 */
|
||||
name: string;
|
||||
/** 模板描述 */
|
||||
description?: string;
|
||||
/** 模板内容(支持变量插值) */
|
||||
template: string;
|
||||
/** 所需变量列表(用于验证) */
|
||||
requiredVariables?: string[];
|
||||
}
|
||||
|
||||
/**
|
||||
* 模板渲染选项
|
||||
*/
|
||||
export interface RenderOptions {
|
||||
/** 遇到未定义变量时是否抛出错误 */
|
||||
throwOnUndefined?: boolean;
|
||||
/** 未定义变量的默认值 */
|
||||
undefinedValue?: string;
|
||||
/** 是否启用调试日志 */
|
||||
debug?: boolean;
|
||||
}
|
||||
|
||||
// ============================================
|
||||
// Agent 特定类型(Prompt Template)
|
||||
// ============================================
|
||||
|
||||
/**
|
||||
* 工具名称映射
|
||||
* 用于在模板中引用工具名称,便于重命名
|
||||
@@ -93,27 +130,6 @@ export interface PromptContext {
|
||||
}
|
||||
|
||||
/**
|
||||
* 提示词模板定义
|
||||
* 提示词模板定义(继承自通用 Template)
|
||||
*/
|
||||
export interface PromptTemplate {
|
||||
/** 模板名称 */
|
||||
name: string;
|
||||
/** 模板描述 */
|
||||
description?: string;
|
||||
/** 模板内容(支持变量插值) */
|
||||
template: string;
|
||||
/** 所需变量列表(用于验证) */
|
||||
requiredVariables?: string[];
|
||||
}
|
||||
|
||||
/**
|
||||
* 模板渲染选项
|
||||
*/
|
||||
export interface RenderOptions {
|
||||
/** 遇到未定义变量时是否抛出错误 */
|
||||
throwOnUndefined?: boolean;
|
||||
/** 未定义变量的默认值 */
|
||||
undefinedValue?: string;
|
||||
/** 是否启用调试日志 */
|
||||
debug?: boolean;
|
||||
}
|
||||
export interface PromptTemplate extends Template {}
|
||||
@@ -1,11 +1,15 @@
|
||||
import { describe, it, expect, beforeEach } from 'vitest';
|
||||
import {
|
||||
renderTemplate,
|
||||
renderPromptTemplate,
|
||||
createDefaultContext,
|
||||
createPlanContext,
|
||||
createToolDescriptionContext,
|
||||
DEFAULT_TOOL_NAMES,
|
||||
} from '../../../src/agent/prompt-template/index.js';
|
||||
import type { PromptContext } from '../../../src/agent/prompt-template/types.js';
|
||||
} from '../../../src/template/index.js';
|
||||
import type { PromptContext } from '../../../src/template/types.js';
|
||||
|
||||
// Alias for backward compatibility in tests
|
||||
const renderTemplate = renderPromptTemplate;
|
||||
|
||||
describe('Prompt Template System', () => {
|
||||
let context: PromptContext;
|
||||
@@ -178,4 +182,74 @@ describe('Prompt Template System', () => {
|
||||
expect(result).toBe('primary');
|
||||
});
|
||||
});
|
||||
|
||||
describe('createToolDescriptionContext', () => {
|
||||
it('should create context with uppercase tool name variables', () => {
|
||||
const ctx = createToolDescriptionContext();
|
||||
// Check that uppercase tool names are available in custom
|
||||
expect(ctx.custom).toBeDefined();
|
||||
expect(ctx.custom!['GLOB_TOOL_NAME']).toBe('glob');
|
||||
expect(ctx.custom!['GREP_TOOL_NAME']).toBe('grep');
|
||||
expect(ctx.custom!['BASH_TOOL_NAME']).toBe('bash');
|
||||
expect(ctx.custom!['READ_TOOL_NAME']).toBe('read_file');
|
||||
expect(ctx.custom!['WRITE_TOOL_NAME']).toBe('write_file');
|
||||
expect(ctx.custom!['EDIT_TOOL_NAME']).toBe('edit_file');
|
||||
expect(ctx.custom!['TASK_TOOL_NAME']).toBe('task');
|
||||
});
|
||||
|
||||
it('should convert camelCase to UPPER_SNAKE_CASE correctly', () => {
|
||||
const ctx = createToolDescriptionContext();
|
||||
// askUserQuestion -> ASK_USER_QUESTION_TOOL_NAME
|
||||
expect(ctx.custom!['ASK_USER_QUESTION_TOOL_NAME']).toBe('ask_user_question');
|
||||
// exitPlanMode -> EXIT_PLAN_MODE_TOOL_NAME
|
||||
expect(ctx.custom!['EXIT_PLAN_MODE_TOOL_NAME']).toBe('exit_plan_mode');
|
||||
// webSearch -> WEB_SEARCH_TOOL_NAME
|
||||
expect(ctx.custom!['WEB_SEARCH_TOOL_NAME']).toBe('web_search');
|
||||
});
|
||||
|
||||
it('should support rendering with uppercase tool name variables', () => {
|
||||
const ctx = createToolDescriptionContext();
|
||||
const template = 'Use ${GREP_TOOL_NAME} for search. Never use ${BASH_TOOL_NAME} grep.';
|
||||
const result = renderTemplate(template, ctx);
|
||||
expect(result).toBe('Use grep for search. Never use bash grep.');
|
||||
});
|
||||
|
||||
it('should support both lowercase and uppercase variable styles', () => {
|
||||
const ctx = createToolDescriptionContext();
|
||||
const template = 'Tools: ${tools.grep} or ${GREP_TOOL_NAME}';
|
||||
const result = renderTemplate(template, ctx);
|
||||
expect(result).toBe('Tools: grep or grep');
|
||||
});
|
||||
|
||||
it('should preserve overrides', () => {
|
||||
const ctx = createToolDescriptionContext({
|
||||
agent: {
|
||||
name: 'custom-agent',
|
||||
mode: 'subagent',
|
||||
isSubagent: true,
|
||||
},
|
||||
});
|
||||
expect(ctx.agent.name).toBe('custom-agent');
|
||||
expect(ctx.agent.mode).toBe('subagent');
|
||||
expect(ctx.agent.isSubagent).toBe(true);
|
||||
// Uppercase tool names should still be available
|
||||
expect(ctx.custom!['GREP_TOOL_NAME']).toBe('grep');
|
||||
});
|
||||
|
||||
it('should render Claude Code style tool description template', () => {
|
||||
const ctx = createToolDescriptionContext();
|
||||
// Example from Claude Code official prompt
|
||||
const template = `A powerful search tool built on ripgrep
|
||||
|
||||
Usage:
|
||||
- ALWAYS use \${GREP_TOOL_NAME} for search tasks. NEVER invoke \`grep\` or \`rg\` as a \${BASH_TOOL_NAME} command.
|
||||
- Use \${TASK_TOOL_NAME} tool for open-ended searches requiring multiple rounds`;
|
||||
|
||||
const result = renderTemplate(template, ctx);
|
||||
|
||||
expect(result).toContain('ALWAYS use grep for search tasks');
|
||||
expect(result).toContain('NEVER invoke `grep` or `rg` as a bash command');
|
||||
expect(result).toContain('Use task tool for open-ended searches');
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
Reference in New Issue
Block a user