[new feature] Button: add touchstart event (#3039)

2019-03-22 14:41:01 +08:00
parent 2a4c2d86e9
commit 5a44d204bd
7 changed files with 46 additions and 23 deletions
@@ -46,28 +46,35 @@ function Button(
    }
  };

+  const onTouchstart = (event: TouchEvent) => {
+    emit(ctx, 'touchstart', event);
+  };
+
+  const classes = [
+    bem([
+      type,
+      props.size,
+      {
+        loading,
+        disabled,
+        hairline,
+        block: props.block,
+        plain: props.plain,
+        round: props.round,
+        square: props.square,
+        'bottom-action': props.bottomAction
+      }
+    ]),
+    { 'van-hairline--surround': hairline }
+  ];
+
  return (
    <tag
+      class={classes}
      type={props.nativeType}
      disabled={disabled}
-      class={[
-        bem([
-          type,
-          props.size,
-          {
-            loading,
-            disabled,
-            hairline,
-            block: props.block,
-            plain: props.plain,
-            round: props.round,
-            square: props.square,
-            'bottom-action': props.bottomAction
-          }
-        ]),
-        { 'van-hairline--surround': hairline }
-      ]}
      onClick={onClick}
+      onTouchstart={onTouchstart}
      {...inherit(ctx)}
    >
      {loading ? (