fix(Progress): indeterminate state is wrong when value is 0 (#911)

packages/radix-vue/src/Progress/ProgressRoot.vue

@@ -1,7 +1,7 @@
 <script lang="ts">
 import type { ComputedRef, Ref } from 'vue'
 import type { PrimitiveProps } from '@/Primitive'
-import { createContext, useForwardExpose } from '@/shared'
+import { createContext, isNullish, useForwardExpose } from '@/shared'
 
 export type ProgressRootEmits = {
   /** Event handler called when the progress value changes */
@@ -113,7 +113,7 @@ watch(
 // ------- End of watch for correct values -------
 
 const progressState = computed<ProgressState>(() => {
-  if (!modelValue.value)
+  if (isNullish(modelValue.value))
     return 'indeterminate'
   if (modelValue.value === max.value)
     return 'complete'

packages/radix-vue/src/shared/index.ts

@@ -1,9 +1,10 @@
 export { createContext } from './createContext'
 export { handleAndDispatchCustomEvent } from './handleAndDispatchCustomEvent'
 export { isValidVNodeElement } from './isValidVNodeElement'
-export * from './browser'
 export * from './arrays'
+export * from './browser'
 export * from './object'
+export * from './nullish'
 export { type DateRange } from './date'
 export { onFocusOutside } from './onFocusOutside'
 export { renderSlotFragments } from './renderSlotFragments'

packages/radix-vue/src/shared/nullish.ts

@@ -0,0 +1,3 @@
+export function isNullish(value: any): boolean {
+  return value === null || value === undefined
+}