fix for #4920

components/date-picker/RangePicker.tsx

@@ -165,7 +165,7 @@ export default class RangePicker extends React.Component<any, any> {
     // default width for showTime
     const pickerStyle = {} as any;
     if (props.showTime) {
-      pickerStyle.width = style.width || 300;
+      pickerStyle.width = (style && style.width) || 300;
     }
 
     const clearIcon = (!props.disabled && props.allowClear && value && (value[0] || value[1]))

components/date-picker/__tests__/__snapshots__/demo.test.js.snap

@@ -127,7 +127,7 @@ exports[`test renders ./components/date-picker/demo/disabled-date.md correctly 1
   <br />
   <span
     class="ant-calendar-picker"
-    style="min-width:300px;">
+    style="width:300px;">
     <span
       class="ant-calendar-picker-input ant-input">
       <input
@@ -255,7 +255,7 @@ exports[`test renders ./components/date-picker/demo/presetted-ranges.md correctl
   <br />
   <span
     class="ant-calendar-picker"
-    style="min-width:300px;">
+    style="width:300px;">
     <span
       class="ant-calendar-picker-input ant-input">
       <input
@@ -429,7 +429,7 @@ exports[`test renders ./components/date-picker/demo/time.md correctly 1`] = `
   <br />
   <span
     class="ant-calendar-picker"
-    style="min-width:300px;">
+    style="width:300px;">
     <span
       class="ant-calendar-picker-input ant-input">
       <input

components/form/__tests__/__snapshots__/demo.test.js.snap

@@ -1184,7 +1184,7 @@ exports[`test renders ./components/form/demo/time-related-controls.md correctly
         class="ant-form-item-control ">
         <span
           class="ant-calendar-picker"
-          style="min-width:300px;">
+          style="width:300px;">
           <span
             class="ant-calendar-picker-input ant-input ant-input-lg">
             <input