Feat: sync input variable names to main() function (#21667)

web/app/components/workflow/nodes/code/use-config.ts

@@ -84,6 +84,65 @@ const useConfig = (id: string, payload: CodeNodeType) => {
     setInputs(newInputs)
   }, [allLanguageDefault, inputs, setInputs])
 
+  const handleSyncFunctionSignature = useCallback(() => {
+      const generateSyncSignatureCode = (code: string) => {
+      let mainDefRe
+      let newMainDef
+      if (inputs.code_language === CodeLanguage.javascript) {
+        mainDefRe = /function\s+main\b\s*\([\s\S]*?\)/g
+        newMainDef = 'function main({{var_list}})'
+        let param_list = inputs.variables?.map(item => item.variable).join(', ') || ''
+        param_list = param_list ? `{${param_list}}` : ''
+        newMainDef = newMainDef.replace('{{var_list}}', param_list)
+      }
+
+      else if (inputs.code_language === CodeLanguage.python3) {
+        mainDefRe = /def\s+main\b\s*\([\s\S]*?\)/g
+        const param_list = []
+        for (const item of inputs.variables) {
+          let param = item.variable
+          let param_type = ''
+          switch (item.value_type) {
+            case VarType.string:
+              param_type = ': str'
+              break
+            case VarType.number:
+              param_type = ': float'
+              break
+            case VarType.object:
+              param_type = ': dict'
+              break
+            case VarType.array:
+              param_type = ': list'
+              break
+            case VarType.arrayNumber:
+              param_type = ': list[float]'
+              break
+            case VarType.arrayString:
+              param_type = ': list[str]'
+              break
+            case VarType.arrayObject:
+              param_type = ': list[dict]'
+              break
+          }
+          param += param_type
+          param_list.push(`${param}`)
+        }
+
+        newMainDef = `def main(${param_list.join(', ')})`
+      }
+      else { return code }
+
+      const newCode = code.replace(mainDefRe, newMainDef)
+      return newCode
+    }
+
+    const newInputs = produce(inputs, (draft) => {
+      draft.code = generateSyncSignatureCode(draft.code)
+    })
+    setInputs(newInputs)
+  }, [inputs, setInputs])
+
   const {
     handleVarsChange,
     handleAddVariable: handleAddOutputVariable,
@@ -119,6 +178,7 @@ const useConfig = (id: string, payload: CodeNodeType) => {
     handleVarListChange,
     handleAddVariable,
     handleRemoveVariable,
+    handleSyncFunctionSignature,
     handleCodeChange,
     handleCodeLanguageChange,
     handleVarsChange,