fix: segmented control not transitioning after first render (#718)

Author: anubra266

.changeset/poor-seals-cross.md

@@ -0,0 +1,5 @@
+---
+"@zag-js/radio-group": patch
+---
+
+Fix segmented control not transitioning after first render

packages/machines/radio-group/src/radio-group.machine.ts

@@ -13,7 +13,6 @@ export function machine(userContext: UserDefinedContext) {
       id: "radio",
       initial: "idle",
       context: {
-        previousValue: null,
         value: null,
         activeId: null,
         focusedId: null,
@@ -96,11 +95,8 @@ export function machine(userContext: UserDefinedContext) {
             input.checked = input.value === ctx.value
           })
         },
-        setPreviousValue(ctx) {
-          ctx.previousValue = ctx.value
-        },
         setIndicatorTransition(ctx) {
-          ctx.canIndicatorTransition = isString(ctx.previousValue) && isString(ctx.value)
+          ctx.canIndicatorTransition = isString(ctx.value)
         },
         cleanupObserver(ctx) {
           ctx.indicatorCleanup?.()

packages/machines/radio-group/src/radio-group.types.ts

@@ -81,11 +81,6 @@ type PrivateContext = Context<{
    * Function to clean up the observer for the active tab's rect
    */
   indicatorCleanup?: VoidFunction | null
-  /**
-   * @internal
-   * The previous value of the radio group
-   */
-  previousValue: string | null
 }>
 
 export type UserDefinedContext = RequiredBy<PublicContext, "id">