Remove entry point import, merge modules (#590)

* Remove unused import in lib entry point

* [Refactor] Merge type util modules

src/litegraph.ts

@@ -22,7 +22,6 @@ import type {
   ColorOption,
   IColorable,
 } from "./interfaces"
-import { isColorable } from "./typeGuards"
 import type { SlotShape, LabelPosition, SlotDirection, SlotType } from "./draw"
 import type { IWidget } from "./types/widgets"
 import type { RenderShape, TitleMode } from "./types/globalEnums"
@@ -75,8 +74,8 @@ export {
   Size,
   ColorOption,
   IColorable,
-  isColorable,
 }
+export { isColorable } from "./utils/type"
 export { IWidget }
 export { LGraphBadge, BadgePosition }
 export { SlotShape, LabelPosition, SlotDirection, SlotType }

src/typeGuards.ts

@@ -1,8 +0,0 @@
-import { IColorable } from "@/interfaces"
-
-/**
- * Checks if an object is an instance of {@link IColorable}.
- */
-export const isColorable = (obj: unknown): obj is IColorable => {
-  return typeof obj === "object" && obj !== null && "setColorOption" in obj && "getColorOption" in obj
-}

src/utils/type.ts

@@ -1,3 +1,5 @@
+import type { IColorable } from "@/interfaces"
+
 /**
  * Converts a plain object to a class instance if it is not already an instance of the class.
  * @param cls The class to convert to
@@ -7,3 +9,10 @@
 export function toClass<P, C>(cls: new (plain: P) => C, obj: P | C): C {
   return obj instanceof cls ? obj : new cls(obj as P)
 }
+
+/**
+ * Checks if an object is an instance of {@link IColorable}.
+ */
+export const isColorable = (obj: unknown): obj is IColorable => {
+  return typeof obj === "object" && obj !== null && "setColorOption" in obj && "getColorOption" in obj
+}