ComfyUI-EnumCombo

Workflow-local enumerated values for ComfyUI.

Purpose

ComfyUI-EnumCombo adds small enum selector nodes for workflows that use named modes but need integer values at runtime.

This is useful for dynamic workflows built around lazy index switches, Set/Get variables, or shared control values. For example, you can define:

TXT2IMG
IMG2IMG
INPAINT

Then select IMG2IMG from a dropdown and pass its integer value to a Set node, a lazy switch index, or any other node that expects an INT.

The goal for me was to replace note-based integer conventions like 0 = TXT2IMG with a readable dropdown while keeping the runtime graph simple and strongly typed.

Versus Other Alternatives

ComfyUI has a Beta node called CustomCombo that allows for the creation of a custom dropdown list. EnumCombo has some advantages over it:

• CustomCombo takes up a lot of space vertically, as each option you add increases the height of the node. With EnumCombo, you can link to your options from a separate node that can be independently collapsed.
• You cannot rearrange the order of CustomCombo options.
• At the time of writing, CustomCombo has a bug where it fails to delete an option after clearing its value. e.g. value_one / [blank] / value_three will incorrectly allow the blank option to persist.
• CustomCombo seems to break when adding entries with special characters.
• CustomCombo lacks the flexibility of an enum definition, e.g. you cannot re-index entries nor add comments.

---

There's another alternative called CRZnodes that has a flexible custom dropdown and mapper system, and it can solve a similar problem. ComfyUI-EnumCombo is intentionally narrower:

• No third-party Python dependencies.
• No wildcard output type for the basic enum value.
• No dynamic input sockets or broad graph monkey-patching.
• Strict INT and STRING outputs where appropriate.
• A compact node for common workflows and an advanced node when extra metadata is useful.

Use CRZnodes if you want its broader dashboard-style node set or arbitrary data mapping. Use ComfyUI-EnumCombo when you only need lightweight enum-to-integer workflow controls.

Syntax

Each non-empty line defines one enum member:

OPTION_A
OPTION_B

Values are zero-based by default. Explicit integer assignments reset the next automatic value:

TXT2IMG = 3
IMG2IMG
INPAINT

This produces TXT2IMG = 3, IMG2IMG = 4, and INPAINT = 5.

Quote labels that need spaces:

"Text to Image" = 0
"Image to Image"
"Inpaint Masked Area"

Supported comments:

# line comment
// line comment
/*
block comment
*/

Outputs

Enum Combo outputs:

• value: selected enum integer value.

Enum Combo Advanced outputs:

• value: selected enum integer value.
• name: selected enum name.
• index: selected zero-based list position.
• count: number of enum members.

Nodes

• Enum Combo: compact node with a socket-only enum_definition input and one INT output. Its choice dropdown refreshes when the definition link changes, when the linked source widget changes, and before the choice widget opens.
• Enum Combo Advanced: editable multiline enum_definition, start, strict, and extra metadata outputs.