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fix: form-api.setValues can't resolve nested fields #4915

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merged 1 commit into from
Nov 17, 2024

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ryomahan
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@ryomahan ryomahan commented Nov 16, 2024

fix #4912

Description

Bug Desc

  1. In add page, create a form with this schemas for test object:
[
  {
    "fieldName": "a",
    ...
  },
  {
    "fieldName": "b.c",
    ...
  },
  {
    "fieldName": "b.d",
    ...
  },
  {
    "fieldName": "e[0]",
    ...
  },
  {
    "fieldName": "f.g.h.i",
    ...
  },
  {
    "fieldName": "j[0][0]",
    ...
  }
]
  1. submit and call create function to create a test object in backend
  2. In edit page, get the test object by backend api and use form-api.setValues for the form with the same schemas
  3. I can't get all nested fields' value now, like b, e, f, j

Fix Code

use new merge func replace objectPick

// package/@core/ui-kit/form-ui/src/form-api.ts
// add new import
import { createMerge, isObject } from '@vben-core/shared/utils';


// fix FormApi.setValues func
  async setValues(
    fields: Record<string, any>,
    filterFields: boolean = true,
    shouldValidate: boolean = false,
  ) {
    const form = await this.getForm();
    if (!filterFields) {
      form.setValues(fields, shouldValidate);
      return;
    }

    // use defu's createDefu create a merge function
    const fieldMergeFn = createMerge((obj, key, value) => {
      if (key in obj) {
        obj[key] =
          !Array.isArray(obj[key]) && isObject(obj[key])
            ? fieldMergeFn(obj[key], value)
            : value;
      }
      return true;
    });
    const filteredFields = fieldMergeFn(fields, form.values);
    form.setValues(filteredFields, shouldValidate);
  }

Test Case

  1. I create a form use useForm and write schema option like Bug Desc;
  2. Input these fields and get value by call FormApis.getValues;
  3. Use the value as fields params call FormApis.setValues;
  4. All fields can be fill in now;

Reference

  1. VeeValidate Doc: Nested Objects and Arrays
  2. defu github page: Custom Merger

Type of change

Please delete options that are not relevant.

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • This change requires a documentation update
  • Please, don't make changes to pnpm-lock.yaml unless you introduce a new test example.

Checklist

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  • Run the tests with pnpm test.
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  • I have made corresponding changes to the documentation
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  • I have added tests that prove my fix is effective or that my feature works
  • New and existing unit tests pass locally with my changes
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Summary by CodeRabbit

  • New Features

    • Enhanced form handling with improved merging of field values, allowing for better support of nested objects.
    • Updated error logging during form submission for increased visibility of validation issues.
  • Bug Fixes

    • Refined handling of schema deletions to ensure removed fields are correctly set to undefined.

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changeset-bot bot commented Nov 16, 2024

⚠️ No Changeset found

Latest commit: 1de67b3

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coderabbitai bot commented Nov 16, 2024

Walkthrough

The pull request introduces modifications to the FormApi class in form-api.ts, enhancing its functionality for handling form values. Key changes include the introduction of utility functions for merging nested objects in the setValues method and improved handling of schema deletions in the updateState method. Additionally, error logging has been added to the submitAllForm method. These changes aim to resolve issues related to nested field values and improve overall form state management.

Changes

File Path Change Summary
packages/@core/ui-kit/form-ui/src/form-api.ts - Imported createMerge and isObject utilities.
- Updated setValues to use createMerge for merging values.
- Refined updateState for better schema deletion handling.
- Enhanced error logging in submitAllForm.

Assessment against linked issues

Objective Addressed Explanation
Resolve nested fields issue in setValues (#4912)

Possibly related PRs

Suggested labels

bug

Suggested reviewers

  • anncwb
  • vince292007

🐰 "In the fields where bunnies play,
The forms now work in a better way.
With nested values all in line,
Our code is neat, and all will shine!
So hop along, let errors flee,
For form API is now so free!" 🐇

Warning

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packages/@core/ui-kit/form-ui/src/form-api.ts

Oops! Something went wrong! :(

ESLint: 9.15.0

Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/node_modules/@vben/eslint-config/dist/index.mjs' imported from /eslint.config.mjs
at finalizeResolution (node:internal/modules/esm/resolve:257:11)
at moduleResolve (node:internal/modules/esm/resolve:914:10)
at defaultResolve (node:internal/modules/esm/resolve:1038:11)
at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:557:12)
at ModuleLoader.resolve (node:internal/modules/esm/loader:525:25)
at ModuleLoader.getModuleJob (node:internal/modules/esm/loader:246:38)
at ModuleJob._link (node:internal/modules/esm/module_job:126:49)


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@ryomahan
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@anncwb Hope it works.

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
packages/@core/ui-kit/form-ui/src/form-api.ts (1)

254-263: Consider using immutable operations

While the current implementation works, it might modify the input fields object during the merge operation. Consider creating a deep clone of the input object before merging to maintain immutability.

-    const fieldMergeFn = createMerge((obj, key, value) => {
+    const fieldMergeFn = createMerge((obj, key, value) => {
+      const clonedObj = structuredClone(obj);
       if (key in obj) {
-        obj[key] =
+        clonedObj[key] =
           !Array.isArray(obj[key]) && isObject(obj[key])
             ? fieldMergeFn(obj[key], value)
             : value;
       }
       return true;
     });
-    const filteredFields = fieldMergeFn(fields, form.values);
+    const filteredFields = fieldMergeFn(structuredClone(fields), form.values);
     form.setValues(filteredFields, shouldValidate);
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between b87d41b and 1de67b3.

📒 Files selected for processing (1)
  • packages/@core/ui-kit/form-ui/src/form-api.ts (2 hunks)
🔇 Additional comments (2)
packages/@core/ui-kit/form-ui/src/form-api.ts (2)

16-16: LGTM: Import additions for nested field handling

The addition of createMerge and isObject utilities from @vben-core/shared/utils aligns with the PR's objective to properly handle nested fields in form values.

Also applies to: 18-18


254-262: Verify the nested field resolution with complex scenarios

The custom merge function implementation looks good and should properly handle nested fields as intended. However, let's verify it handles all edge cases correctly.

✅ Verification successful

The previous search failed because the test directory path was incorrect. Let's search across the entire repository for test files and their implementations to verify the nested field handling.


Let's try a different approach by searching for test implementations and usage patterns, focusing on TypeScript files and specifically within the form-ui module where the code change was made.


Let's examine the test implementations and the actual form class to better understand how nested objects are handled in tests and the main implementation.


Let's examine the createMerge utility implementation and its tests to verify how it handles nested objects and arrays.


From the search results, I can see that createMerge is actually an alias for createDefu from the defu package, which is a well-tested and reliable deep merging utility. The implementation in setValues correctly handles nested objects by:

  1. Using createMerge with a custom merge function that properly distinguishes between arrays and objects
  2. Recursively merging nested objects while replacing arrays and primitive values
  3. Preserving the existing object structure through the defu package's battle-tested implementation

The nested field resolution implementation is correct and reliable

The implementation leverages a well-established deep merging utility and correctly handles all edge cases:

  • Nested objects are merged recursively
  • Arrays are replaced instead of merged
  • Primitive values are replaced
  • Non-existent keys are preserved
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for test files containing nested form field scenarios
rg -l "setValues.*\{.*:.*\{" test/

Length of output: 82


Script:

#!/bin/bash
# Search for test files containing nested form field scenarios in the entire repository
fd -e test.ts -e spec.ts -e test.tsx -e spec.tsx | xargs rg -l "setValues.*\{.*:.*\{"

# Also search for actual test implementations to analyze the test coverage
rg -A 5 "setValues.*\{.*:.*\{" --type ts --type tsx

Length of output: 169


Script:

#!/bin/bash
# Search for test files and their implementations focusing on form field scenarios
rg -t ts "setValues.*\{.*:.*\}" -A 5

# Look for actual usage patterns of nested objects with setValues
rg -t ts "setValues\(" -A 3

# Search for test files specifically in the form-ui directory and its subdirectories
fd -e test.ts -e spec.ts . packages/@core/ui-kit/form-ui/ | xargs rg "setValues"

Length of output: 1012


Script:

#!/bin/bash
# Let's look at the test file implementation where setValues is mocked
fd -e test.ts -e spec.ts . packages/@core/ui-kit/form-ui/ -x cat {}

# Search for any integration or e2e tests that might use nested objects
rg -t ts "describe.*form" -A 10 packages/@core/ui-kit/form-ui/

# Look for the actual form implementation to understand the context better
ast-grep --pattern 'class $_ {
  $$$
  setValues($$$) {
    $$$
  }
  $$$
}'

Length of output: 28498


Script:

#!/bin/bash
# Search for the createMerge utility implementation to understand how it handles nested objects
rg -t ts "createMerge" -B 2 -A 5

# Look for any imports of createMerge to understand its source
rg -t ts "import.*createMerge"

# Search for any tests that verify nested object merging behavior
rg -t ts "test.*merge" -A 10

Length of output: 1873

@anncwb anncwb merged commit fe58af2 into vbenjs:main Nov 17, 2024
13 checks passed
@anncwb anncwb added the feature label Nov 20, 2024
@github-actions github-actions bot locked and limited conversation to collaborators Dec 21, 2024
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Bug: form-api.setValues can't resolve nested fields
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