feat(web): trim dynamic form strings on save (#2349)

web/package.json

@@ -6,6 +6,7 @@
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
+    "test:unit": "node --test tests/unit/*.test.mjs",
     "test:e2e": "playwright test",
     "lint": "eslint .",
     "format": "prettier --write ."

web/src/app/home/components/dynamic-form/DynamicFormComponent.tsx

@@ -15,6 +15,7 @@ import {
   FormMessage,
 } from '@/components/ui/form';
 import DynamicFormItemComponent from '@/app/home/components/dynamic-form/DynamicFormItemComponent';
+import { normalizeDynamicFormValuesForSave } from '@/app/home/components/dynamic-form/DynamicFormSaveValues';
 import QrCodeLoginDialog, {
   QrLoginPlatform,
 } from '@/app/home/components/qrcode-login/QrCodeLoginDialog';
@@ -631,12 +632,9 @@ export default function DynamicFormComponent({
     // even if the user saves without modifying any field.
     // form.watch(callback) only fires on subsequent changes, not on mount.
     const formValues = form.getValues();
-    const initialFinalValues = editableValueSpecs.reduce(
-      (acc, item) => {
-        acc[item.name] = formValues[item.name] ?? item.default;
-        return acc;
-      },
-      {} as Record<string, object>,
+    const initialFinalValues = normalizeDynamicFormValuesForSave(
+      editableValueSpecs,
+      formValues as Record<string, unknown>,
     );
     onSubmitRef.current?.(initialFinalValues);
 
@@ -651,12 +649,9 @@ export default function DynamicFormComponent({
 
     const subscription = form.watch(() => {
       const formValues = form.getValues();
-      const finalValues = editableValueSpecs.reduce(
-        (acc, item) => {
-          acc[item.name] = formValues[item.name] ?? item.default;
-          return acc;
-        },
-        {} as Record<string, object>,
+      const finalValues = normalizeDynamicFormValuesForSave(
+        editableValueSpecs,
+        formValues as Record<string, unknown>,
       );
       onSubmitRef.current?.(finalValues);
       previousInitialValues.current = finalValues as Record<string, object>;

web/src/app/home/components/dynamic-form/DynamicFormSaveValues.ts

@@ -0,0 +1,25 @@
+import type { IDynamicFormItemSchema } from '@/app/infra/entities/form/dynamic';
+
+export type DynamicFormSaveValueSpec = Pick<
+  IDynamicFormItemSchema,
+  'default' | 'name' | 'type'
+>;
+
+/**
+ * Build the value snapshot emitted to parent forms for persistence.
+ * Only single-line string fields trim surrounding whitespace; multiline text
+ * and every other dynamic form field type preserve their original values.
+ */
+export function normalizeDynamicFormValuesForSave(
+  specs: readonly DynamicFormSaveValueSpec[],
+  formValues: Record<string, unknown>,
+): Record<string, unknown> {
+  return specs.reduce<Record<string, unknown>>((values, spec) => {
+    const value = formValues[spec.name] ?? spec.default;
+    values[spec.name] =
+      spec.type === 'string' && typeof value === 'string'
+        ? value.trim()
+        : value;
+    return values;
+  }, {});
+}

web/src/app/home/components/dynamic-form/N8nAuthFormComponent.tsx

@@ -12,6 +12,7 @@ import {
 } from '@/components/ui/form';
 import { IDynamicFormItemSchema } from '@/app/infra/entities/form/dynamic';
 import DynamicFormItemComponent from '@/app/home/components/dynamic-form/DynamicFormItemComponent';
+import { normalizeDynamicFormValuesForSave } from '@/app/home/components/dynamic-form/DynamicFormSaveValues';
 import { extractI18nObject } from '@/i18n/I18nProvider';
 
 /**
@@ -150,12 +151,9 @@ export default function N8nAuthFormComponent({
     // Emit initial form values on mount so the parent form's
     // initializedStagesRef registers this stage (matches DynamicFormComponent).
     const formValues = form.getValues();
-    const initialFinalValues = itemConfigList.reduce(
-      (acc, item) => {
-        acc[item.name] = formValues[item.name] ?? item.default;
-        return acc;
-      },
-      {} as Record<string, string>,
+    const initialFinalValues = normalizeDynamicFormValuesForSave(
+      itemConfigList,
+      formValues as Record<string, unknown>,
     );
     onSubmitRef.current?.(initialFinalValues);
     previousInitialValues.current = initialFinalValues as Record<
@@ -171,12 +169,9 @@ export default function N8nAuthFormComponent({
 
       // 获取完整的表单值，确保包含所有默认值
       const formValues = form.getValues();
-      const finalValues = itemConfigList.reduce(
-        (acc, item) => {
-          acc[item.name] = formValues[item.name] ?? item.default;
-          return acc;
-        },
-        {} as Record<string, string>,
+      const finalValues = normalizeDynamicFormValuesForSave(
+        itemConfigList,
+        formValues as Record<string, unknown>,
       );
 
       onSubmitRef.current?.(finalValues);

web/tests/unit/dynamic-form-save-values.test.mjs

@@ -0,0 +1,51 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import path from 'node:path';
+import test from 'node:test';
+import ts from 'typescript';
+import { fileURLToPath } from 'node:url';
+
+const currentDirectory = path.dirname(fileURLToPath(import.meta.url));
+const sourcePath = path.resolve(
+  currentDirectory,
+  '../../src/app/home/components/dynamic-form/DynamicFormSaveValues.ts',
+);
+
+function loadNormalizer() {
+  const source = fs.readFileSync(sourcePath, 'utf8');
+  const compiled = ts.transpileModule(source, {
+    compilerOptions: { module: ts.ModuleKind.CommonJS },
+  }).outputText;
+  const loadedModule = { exports: {} };
+  new Function('require', 'module', 'exports', compiled)(
+    () => {
+      throw new Error('DynamicFormSaveValues must not have runtime imports');
+    },
+    loadedModule,
+    loadedModule.exports,
+  );
+  return loadedModule.exports.normalizeDynamicFormValuesForSave;
+}
+
+test('normalizes only single-line text fields in a dynamic form save snapshot', () => {
+  const normalizeDynamicFormValuesForSave = loadNormalizer();
+  const specs = [
+    { name: 'single-line', type: 'string', default: '' },
+    { name: 'multiline', type: 'text', default: '' },
+    { name: 'string-list', type: 'array[string]', default: [] },
+    { name: 'count', type: 'integer', default: 0 },
+  ];
+  const values = {
+    'single-line': '\t  hello  world \n',
+    multiline: '  keep multiline whitespace  \n',
+    'string-list': ['  first  ', ' second '],
+    count: 3,
+  };
+
+  assert.deepEqual(normalizeDynamicFormValuesForSave(specs, values), {
+    'single-line': 'hello  world',
+    multiline: '  keep multiline whitespace  \n',
+    'string-list': ['  first  ', ' second '],
+    count: 3,
+  });
+});