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## Summary Clarifies the two distinct `serialize` properties on widgets via improved TypeScript types and JSDoc: - **`IWidgetOptions.serialize`** — controls whether the widget value is included in the **API prompt** sent for execution - **`IBaseWidget.serialize`** — controls whether the widget value is persisted in the **workflow JSON** (`widgets_values`) These two properties are easily confused. This PR adds cross-linking JSDoc, explicit `@default` tags, and a clarifying comment at the check site in `executionUtil.ts`. ## Changes | File | Change | |------|--------| | `src/lib/litegraph/src/types/widgets.ts` | Add `serialize?: boolean` to `IWidgetOptions` with JSDoc; expand JSDoc on `IBaseWidget.serialize` | | `src/utils/executionUtil.ts` | Clarifying comment at the `widget.options.serialize` check | | `src/types/metadataTypes.ts` | Connect `ComfyMetadataTags` enum values to their corresponding serialize properties | ## Related - Companion doc: #9102 (`WIDGET_SERIALIZATION.md`) - Issue: #1757 ## Verification - `vue-tsc --noEmit` passes clean - `eslint` passes clean on all 3 files - No runtime changes — JSDoc and types only ┆Issue is synchronized with this [Notion page](https://www.notion.so/PR-9105-docs-clarify-widget-serialize-vs-options-serialize-in-types-and-JSDoc-3106d73d36508155b618ee56cf18f969) by [Unito](https://www.unito.io)
34 lines
3.5 KiB
Markdown
34 lines
3.5 KiB
Markdown
# Widget Serialization: `widget.serialize` vs `widget.options.serialize`
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Two properties named `serialize` exist at different levels of a widget object. They control different serialization layers and are checked by completely different code paths.
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**`widget.serialize`** — Controls **workflow persistence**. Checked by `LGraphNode.serialize()` and `configure()` when reading/writing `widgets_values` in the workflow JSON. When `false`, the widget is skipped in both serialization and deserialization. Used for UI-only widgets (image previews, progress text, audio players). Typed as `IBaseWidget.serialize` in `src/lib/litegraph/src/types/widgets.ts`.
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**`widget.options.serialize`** — Controls **prompt/API serialization**. Checked by `executionUtil.ts` when building the API payload sent to the backend. When `false`, the widget is excluded from prompt inputs. Used for client-side-only controls (`control_after_generate`, combo filter lists) that the server doesn't need. Typed as `IWidgetOptions.serialize` in `src/lib/litegraph/src/types/widgets.ts`.
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These correspond to the two data formats in `ComfyMetadata` embedded in output files (PNG, GLTF, WebM, AVIF, etc.): `widget.serialize` → `ComfyMetadataTags.WORKFLOW`, `widget.options.serialize` → `ComfyMetadataTags.PROMPT`.
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## Permutation table
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| `widget.serialize` | `widget.options.serialize` | In workflow? | In prompt? | Examples |
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| ------------------ | -------------------------- | ------------ | ---------- | -------------------------------------------------------------------- |
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| ✅ default | ✅ default | Yes | Yes | seed, cfg, sampler_name |
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| ✅ default | ❌ false | Yes | No | control_after_generate, combo filter list |
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| ❌ false | ✅ default | No | Yes | No current usage (would be a transient value computed at queue time) |
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| ❌ false | ❌ false | No | No | Image/video previews, audio players, progress text |
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## Gotchas
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- `addWidget('combo', name, value, cb, { serialize: false })` puts `serialize` into `widget.options`, **not** onto `widget` directly. These are different properties consumed by different systems.
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- `LGraphNode.serialize()` checks `widget.serialize === false` (line 967). It does **not** check `widget.options.serialize`. A widget with `options.serialize = false` is still included in `widgets_values`.
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- `LGraphNode.serialize()` only writes `widgets_values` if `this.widgets` is truthy. Nodes that create widgets dynamically (like `PrimitiveNode`) will have no `widgets_values` in serialized output if serialized before widget creation — even if `this.widgets_values` exists on the instance from a prior `configure()` call.
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- `widget.options.serialize` is typed as `IWidgetOptions.serialize` — both properties share the name `serialize` but live at different levels of the widget object.
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## Code references
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- `widget.serialize` checked: `src/lib/litegraph/src/LGraphNode.ts` serialize() and configure()
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- `widget.options.serialize` checked: `src/utils/executionUtil.ts`
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- `widget.options.serialize` set: `src/scripts/widgets.ts` addValueControlWidgets()
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- `widget.serialize` set: `src/composables/node/useNodeImage.ts`, `src/extensions/core/previewAny.ts`, etc.
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- Metadata types: `src/types/metadataTypes.ts`
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