refactor(date-picker): simplify date cell slot access in date panels

Author: Gahotx

src/date-picker/src/panel/date.tsx

@@ -58,8 +58,8 @@ export default defineComponent({
       datePickerSlots,
       type
     } = this
-    const dateCellSlot = datePickerSlots['date-cell']
     onRender?.()
+
     return (
       <div
         ref="selfRef"
@@ -164,7 +164,10 @@ export default defineComponent({
                 }}
               >
                 <div class={`${mergedClsPrefix}-date-panel-date__trigger`} />
-                {renderDateCell(dateCellSlot, dateItem.dateObject)}
+                {renderDateCell(
+                  datePickerSlots['date-cell'],
+                  dateItem.dateObject
+                )}
                 {dateItem.isCurrentDate ? (
                   <div class={`${mergedClsPrefix}-date-panel-date__sup`} />
                 ) : null}

src/date-picker/src/panel/daterange.tsx

@@ -45,7 +45,6 @@ export default defineComponent({
       datePickerSlots
     } = this
     onRender?.()
-    const dateCellSlot = datePickerSlots['date-cell']
 
     return (
       <div
@@ -152,7 +151,10 @@ export default defineComponent({
                 }}
               >
                 <div class={`${mergedClsPrefix}-date-panel-date__trigger`} />
-                {renderDateCell(dateCellSlot, dateItem.dateObject)}
+                {renderDateCell(
+                  datePickerSlots['date-cell'],
+                  dateItem.dateObject
+                )}
                 {dateItem.isCurrentDate ? (
                   <div class={`${mergedClsPrefix}-date-panel-date__sup`} />
                 ) : null}
@@ -253,7 +255,10 @@ export default defineComponent({
                 }}
               >
                 <div class={`${mergedClsPrefix}-date-panel-date__trigger`} />
-                {renderDateCell(dateCellSlot, dateItem.dateObject)}
+                {renderDateCell(
+                  datePickerSlots['date-cell'],
+                  dateItem.dateObject
+                )}
                 {dateItem.isCurrentDate ? (
                   <div class={`${mergedClsPrefix}-date-panel-date__sup`} />
                 ) : null}

src/date-picker/src/panel/datetime.tsx

@@ -40,7 +40,6 @@ export default defineComponent({
       datePickerSlots,
       onRender
     } = this
-    const dateCellSlot = datePickerSlots['date-cell']
     onRender?.()
 
     return (
@@ -171,7 +170,10 @@ export default defineComponent({
                 }}
               >
                 <div class={`${mergedClsPrefix}-date-panel-date__trigger`} />
-                {renderDateCell(dateCellSlot, dateItem.dateObject)}
+                {renderDateCell(
+                  datePickerSlots['date-cell'],
+                  dateItem.dateObject
+                )}
                 {dateItem.isCurrentDate ? (
                   <div class={`${mergedClsPrefix}-date-panel-date__sup`} />
                 ) : null}