feat(n-badge): support negative value

CHANGELOG.en-US.md

@@ -1,5 +1,13 @@
 # CHANGELOG
 
+## NEXT_VERSION
+
+`NEXT_VERSION`
+
+### Feats
+
+- `n-badge` supports negative values, closes [#6869](https://github.com/tusen-ai/naive-ui/issues/6869)
+
 ## 2.43.2
 
 ### Fixes

CHANGELOG.zh-CN.md

@@ -1,5 +1,13 @@
 # CHANGELOG
 
+## NEXT_VERSION
+
+`NEXT_VERSION`
+
+### Feats
+
+- `n-badge` 支持负数值，关闭 [#6869](https://github.com/tusen-ai/naive-ui/issues/6869)
+
 ## 2.43.2
 
 ### Fixes

src/_internal/slot-machine/src/SlotMachine.tsx

@@ -39,11 +39,11 @@ export default defineComponent({
     const numbersRef = computed(() => {
       if (typeof props.value === 'string')
         return []
-      if (props.value < 1)
+      if (props.value === 0)
         return [0]
       const numbers: number[] = []
-      let value = props.value
-      if (props.max !== undefined) {
+      let value = Math.abs(props.value)
+      if (props.max !== undefined && props.value > 0) {
         value = Math.min(props.max, value)
       }
       while (value >= 1) {
@@ -74,6 +74,14 @@ export default defineComponent({
       const { value, clsPrefix } = props
       return typeof value === 'number' ? (
         <span class={`${clsPrefix}-base-slot-machine`}>
+          <NFadeInExpandTransition key="-" width>
+            {{
+              default: () =>
+                typeof props.value === 'number' && props.value < 0 ? (
+                  <SlotMachineNumber clsPrefix={clsPrefix} value="-" />
+                ) : null
+            }}
+          </NFadeInExpandTransition>
           <TransitionGroup name="fade-up-width-expand-transition" tag="span">
             {{
               default: () =>

src/badge/src/Badge.tsx

@@ -67,7 +67,7 @@ export default defineComponent({
         props.show
         && (props.dot
           || (props.value !== undefined
-            && !(!props.showZero && Number(props.value) <= 0))
+            && !(!props.showZero && Number(props.value) === 0))
           || !isSlotEmpty(slots.value))
       )
     })