A React component for building Web forms from JSON Schema.
This report summarizes scanner evidence for rjsf-team/react-jsonschema-form, a TypeScript project with 15,927 GitHub stars. SynthScan examined 186,238 lines of code across 1357 source files, recording 120 pattern matches distributed across 7 syntactic categories. The legacy adjusted pattern signal is 0.8 (Low pattern signal); it is not an authorship estimate.
Use the findings to ask whether maintainers can explain intent, verify dependencies, simplify unnecessary scaffolding, and focus review effort. Risk Payload v1 adds ownership, supply-chain, over-engineering, and review-effort vectors when available. These are prompts for human verification, not probabilities, security findings, or measured maintenance costs.
Use each vector to guide manual verification of the underlying findings.
Payload schema: 1.0.0 · Engine: 2.0.0 · Scoring: heuristic-density-v1 · Scan date: 2026-10-31.
Can maintainers explain intent, assumptions, and trade-offs? 29 finding(s).
Are imports declared and package/API names verified? 89 finding(s).
Are wrappers, guards, and repeated structures necessary? 23 finding(s).
Which changes need focused human review? 120 finding(s).
This chart tracks the legacy adjusted pattern score across scan runs. Changes can reflect source changes, scan coverage, or detector/scoring versions; they do not measure AI adoption or prove that a team refactored code. Compare runs only when their scoring versions are compatible. The dashed line tracks the raw pattern-hit count.
Groups findings by configured severity weight. Severity is not a confidence estimate, security rating, or proof that a package is missing. Verify imports against the project's manifests and inspect each finding in its local design context.
This horizontal bar chart shows where configured pattern scores accumulate across directories. Treat the bars as locations to inspect, not as evidence of authorship or code quality. Use the file-level findings to decide whether a directory needs a focused ownership, dependency, complexity, or review check.
The scanner identified 120 distinct pattern matches across 7 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a detector match to inspect in context. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.
Reading the findings table: The Severity column indicates the configured finding weight (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — legacy comment-context matches receive a ×1.5 score weight. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier under the legacy scoring model.
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | packages/core/test/Form.handlers.test.tsx | 393 | default: { types: 'advanced', content: 'placeholder' }, | CODE |
| LOW | packages/core/test/Form.handlers.test.tsx | 412 | expect(contentInput!.value).toEqual('placeholder'); | CODE |
| LOW | packages/core/test/Form.handlers.test.tsx | 429 | expect(contentInput!.value).toEqual('placeholder'); | CODE |
| LOW | packages/core/test/Form.handlers.test.tsx | 434 | expect(lastFormData.content).toEqual('placeholder'); | CODE |
| LOW | packages/core/test/Form.handlers.test.tsx | 464 | default: { types: 'advanced', content: 'placeholder' }, | CODE |
| LOW | packages/core/test/Form.handlers.test.tsx | 556 | default: { types: 'advanced', content: 'placeholder' }, | CODE |
| LOW | packages/core/test/Form.handlers.test.tsx | 837 | default: { types: 'advanced', content: 'placeholder' }, | CODE |
| LOW | packages/core/test/widgets_schema.json | 53 | "placeholder": { | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 829 | await user.type(input, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 829 | await user.type(input, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 833 | formData: { foo: 'Lorem ipsum dolor sit amet' }, | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 833 | formData: { foo: 'Lorem ipsum dolor sit amet' }, | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 865 | await user.type(buzzInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 865 | await user.type(buzzInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 870 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 870 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 954 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 954 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 959 | userId: 'Lorem ipsum dolor sit amet', | CODE |
| LOW⚡ | packages/core/test/oneOf.test.tsx | 959 | userId: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 883 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 883 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 897 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 897 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 1196 | await user.type(barInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 1196 | await user.type(barInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 2156 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 2156 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 2185 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/oneOf.test.tsx | 2185 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 460 | await user.type(input, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 460 | await user.type(input, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 464 | formData: { foo: 'Lorem ipsum dolor sit amet' }, | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 464 | formData: { foo: 'Lorem ipsum dolor sit amet' }, | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 496 | await user.type(buzzInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 496 | await user.type(buzzInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 501 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 501 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 581 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 581 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 585 | formData: { userId: 'Lorem ipsum dolor sit amet' }, | CODE |
| LOW⚡ | packages/core/test/anyOf.test.tsx | 585 | formData: { userId: 'Lorem ipsum dolor sit amet' }, | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 514 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 514 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 528 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 528 | buzz: 'Lorem ipsum dolor sit amet', | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 771 | await user.type(idCodeInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 771 | await user.type(idCodeInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 832 | await user.type(idCodeInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 832 | await user.type(idCodeInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 893 | await user.type(idCodeInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 893 | await user.type(idCodeInput, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 1657 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 1657 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 1688 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/anyOf.test.tsx | 1688 | await user.type(userIdInput2, 'Lorem ipsum dolor sit amet'); | CODE |
| LOW | packages/core/test/uiSchema.test.tsx | 931 | expect(node.querySelector('textarea')).toHaveAttribute('placeholder', 'sample'); | CODE |
| LOW | packages/core/test/uiSchema.test.tsx | 979 | expect(node.querySelector('[type=password]')).toHaveAttribute('placeholder', 'sample'); | CODE |
| LOW | packages/core/test/Form.behaviors.test.tsx | 728 | formData: { name: 'Alice', address: { street: '123 Main St' } }, | CODE |
| LOW | packages/core/test/Form.behaviors.test.tsx | 734 | expectToHaveBeenCalledWithFormData(onSubmit, { name: 'Alice', address: { street: '123 Main St' } }, true); | CODE |
| 29 more matches not shown… | ||||
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | packages/daisyui/test/ArrayFieldItemTemplate.test.tsx | 3 | default: function MockArrayFieldItemButtonsTemplate() { | CODE |
| LOW | packages/core/test/testUtils.tsx | 105 | export function expectToHaveBeenCalledWithFormData(mock: any, formData: any, secondValue?: string | true) { | CODE |
| LOW | packages/core/test/testUtils.tsx | 137 | export function setupConsoleErrorSuppression(): ConsoleSuppressionResult { | CODE |
| LOW | packages/core/test/testUtils.tsx | 171 | export function setupConsoleWarnSuppression(): ConsoleSuppressionResult { | CODE |
| LOW | packages/core/test/ArrayField.test.tsx | 27 | const ExposedArrayKeyItemTemplate = function ExposedArrayKeyItemTemplate(props: ArrayFieldItemTemplateProps) { | CODE |
| LOW | packages/core/test/ArrayField.test.tsx | 71 | const CustomOnAddClickItemTemplate = function CustomOnAddClickItemTemplate(props: ArrayFieldItemTemplateProps) { | CODE |
| LOW | packages/core/src/components/fields/FallbackField.tsx | 17 | function getFallbackTypeSelectionSchema(title: string): RJSFSchema { | CODE |
| LOW | packages/core/src/components/fields/ObjectField.tsx | 76 | function isAdditionalPropertySchema(schema: unknown) { | CODE |
| LOW | packages/playground/src/samples/customArray.tsx | 23 | function ArrayFieldItemButtonsTemplate(props: ArrayFieldItemButtonsTemplateProps) { | CODE |
| LOW | …ges/utils/test/schema/findSelectedOptionInXxxOfTest.ts | 14 | export default function findSelectedOptionInXxxOfTest(testValidator: TestValidatorType) { | CODE |
| LOW | …ages/utils/test/schema/getClosestMatchingOptionTest.ts | 18 | export default function getClosestMatchingOptionTest(testValidator: TestValidatorType) { | CODE |
| LOW | …ages/utils/test/schema/sanitizeDataForNewSchemaTest.ts | 6 | export default function sanitizeDataForNewSchemaTest(testValidator: TestValidatorType) { | CODE |
| LOW | …ckages/utils/test/schema/getFirstMatchingOptionTest.ts | 5 | export default function getFirstMatchingOptionTest(testValidator: TestValidatorType) { | CODE |
| LOW | packages/utils/src/findSchemaDefinition.ts | 80 | export function splitKeyElementFromObject(key: string, object: GenericObjectType) { | CODE |
| LOW | …kages/docs/docs/migration-guides/v6.x upgrade guide.md | 580 | function CustomArrayFieldItemTemplate(props: ArrayFieldItemTemplateProps) { | CODE |
| LOW | …s/docs/docs/advanced-customization/custom-templates.md | 144 | function ArrayFieldDescriptionTemplate(props: ArrayFieldDescriptionProps) { | CODE |
| LOW | …s/docs/docs/advanced-customization/custom-templates.md | 254 | function ArrayFieldItemButtonsTemplate(props: ArrayFieldTemplateItemButtonsType) { | CODE |
| LOW | …s/docs/docs/advanced-customization/custom-templates.md | 1066 | function OptionalDataControlsTemplate(props: OptionalDataControlsTemplateProps) { | CODE |
| LOW | …ion-5.24.10/advanced-customization/custom-templates.md | 149 | function ArrayFieldDescriptionTemplate(props: ArrayFieldDescriptionProps) { | CODE |
| LOW | …s/validator-cfworker/src/processRawValidationErrors.ts | 41 | function instanceLocationToProperty(instanceLocation: string): string { | CODE |
| LOW | …ator-ajv8/test/precompiledValidatorIntegration.test.ts | 20 | function buildPrecompiledValidator(schema: RJSFSchema) { | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | …ator-ajv8/test/precompiledValidatorIntegration.test.ts | 24 | // ─── Test schemas ───────────────────────────────────────────────────────────── | COMMENT |
| MEDIUM | …ator-ajv8/test/precompiledValidatorIntegration.test.ts | 73 | // ─── Tests ──────────────────────────────────────────────────────────────────── | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| HIGH | PULL_REQUEST_TEMPLATE.md | 12 | - [ ] I've [checked the rendering](https://rjsf-team.github.io/react-jsonschema-form/docs/contributing) of the Markdow | CODE |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | packages/core/test/testUtils.tsx | 121 | return act(async () => delayPromise(delay)); | COMMENT |
| LOW | packages/core/src/components/Form.tsx | 621 | // A parent passing `formData` has had its say, whether that is its reply to the report or data that replaces it, | COMMENT |
| LOW | .github/workflows/codeql.yml | 1 | # For most projects, this workflow file will not need changing; you simply need | COMMENT |
| LOW | .github/workflows/codeql.yml | 61 | # Initializes the CodeQL tools for scanning. | COMMENT |
| LOW | .github/workflows/size-limit-comment.yml | 1 | # Posts the size report produced by the "Size limit" workflow as a PR comment. | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | packages/validator-ata/src/validator.ts | 74 | * `AJV8Validator#reset` so RJSF's test harness can flush state between runs. | COMMENT |
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | .github/workflows/codeql.yml | 55 | # If you are analyzing a compiled language, you can modify the 'build-mode' for that language to customize how | COMMENT |