feat(web): 增加模板节点

service-web/client/src/components/flow/NodeRegistry.tsx

@@ -6,9 +6,32 @@ import KnowledgeNode from './node/KnowledgeNode.tsx'
 import LlmNode from './node/LlmNode.tsx'
 import OutputNode from './node/OutputNode.tsx'
 import SwitchNode from './node/SwitchNode.tsx'
+import TemplateNode from './node/TemplateNode.tsx'
 import type {NodeChecker} from './types.ts'
 
-const inputVariableChecker: NodeChecker = (id, inputSchema, nodes, edges, data) => {
+const inputSingleVariableChecker: (field: string) => NodeChecker = field => {
+  return (id, inputSchema, nodes, edges, data) => {
+    let nodeData = data[id] ?? {}
+    if (has(nodeData, field)) {
+      let expression = nodeData?.[field] ?? ''
+      if (!isEmpty(expression)) {
+        let outputVariables = new Set([
+          ...getAllIncomerNodeOutputVariables(id, nodes, edges, data).map(i => `${i.id}.${i.variable}`),
+          ...Object.keys(inputSchema),
+        ])
+        if (!outputVariables.has(expression)) {
+          return {
+            error: true,
+            message: `节点 ${id} 存在错误：变量 ${expression} 不存在`,
+          }
+        }
+      }
+    }
+    return {error: false}
+  }
+}
+
+const inputMultiVariableChecker: NodeChecker = (id, inputSchema, nodes, edges, data) => {
   let nodeData = data[id] ?? {}
   if (has(nodeData, 'inputs')) {
     let inputs = nodeData?.inputs ?? {}
@@ -49,7 +72,7 @@ export const NodeRegistry: NodeDefine[] = [
     icon: <i className="fa fa-message"/>,
     description: '使用大模型对话',
     component: LlmNode,
-    checkers: [inputVariableChecker],
+    checkers: [inputMultiVariableChecker],
   },
   {
     key: 'knowledge-node',
@@ -58,7 +81,7 @@ export const NodeRegistry: NodeDefine[] = [
     icon: <i className="fa fa-book-bookmark"/>,
     description: '',
     component: KnowledgeNode,
-    checkers: [inputVariableChecker],
+    checkers: [inputMultiVariableChecker],
   },
   {
     key: 'code-node',
@@ -67,7 +90,16 @@ export const NodeRegistry: NodeDefine[] = [
     icon: <i className="fa fa-code"/>,
     description: '执行自定义的处理代码',
     component: CodeNode,
-    checkers: [inputVariableChecker],
+    checkers: [inputMultiVariableChecker],
+  },
+  {
+    key: 'template-node',
+    group: '普通节点',
+    name: '模板替换',
+    icon: <i className="fa fa-pen-nib"/>,
+    description: '使用模板聚合转换变量表示',
+    component: TemplateNode,
+    checkers: [inputMultiVariableChecker],
   },
   {
     key: 'switch-node',
@@ -85,7 +117,7 @@ export const NodeRegistry: NodeDefine[] = [
     icon: <i className="fa fa-file"/>,
     description: '定义输出变量',
     component: OutputNode,
-    checkers: [inputVariableChecker],
+    checkers: [inputSingleVariableChecker('output')],
   },
 ]