[bugfix] Slider: should not emit change event when value not changed (#4087)

2019-08-10 22:12:10 +08:00
parent 7e4795fa24
commit 135531cd03
4 changed files with 28 additions and 4 deletions
@@ -96,14 +96,18 @@ export default createComponent({
      const total = this.vertical ? rect.height : rect.width;
      const value = (delta / total) * this.range + this.min;

+      this.startValue = this.value;
      this.updateValue(value, true);
    },

    updateValue(value, end) {
      value = this.format(value);
-      this.$emit('input', value);

-      if (end) {
+      if (value !== this.value) {
+        this.$emit('input', value);
+      }
+
+      if (end && value !== this.startValue) {
        this.$emit('change', value);
      }
    },