From a79f95b305626bcaecfd7da5e5246745fd3811b0 Mon Sep 17 00:00:00 2001
From: Jason Miller <developit@users.noreply.github.com>
Date: Sat, 20 Oct 2018 06:51:30 -0500
Subject: [PATCH] Fix <range-input disabled> (#195)

* Fix .disabled property reflection for range-input (only attribute worked previously)

* Revert "Fix .disabled property reflection for range-input (only attribute worked previously)"

This reverts commit f5964635b2c7fc38e5baa817c0b16436286e56d7.

* Fix reflection

* Use hasAttribute()
---
 src/custom-els/RangeInput/index.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/custom-els/RangeInput/index.ts b/src/custom-els/RangeInput/index.ts
index fbfd7624..d6c103e6 100644
--- a/src/custom-els/RangeInput/index.ts
+++ b/src/custom-els/RangeInput/index.ts
@@ -80,10 +80,12 @@ class RangeInputElement extends HTMLElement {
 
   private _reflectAttributes() {
     this._ignoreChange = true;
-    for (const attributeName in REFLECTED_ATTRIBUTES) {
-      const attributeValue = this._input.getAttribute(attributeName);
-      if (attributeValue === null) continue;
-      this.setAttribute(attributeName, attributeValue);
+    for (const attributeName of REFLECTED_ATTRIBUTES) {
+      if (this._input.hasAttribute(attributeName)) {
+        this.setAttribute(attributeName, this._input.getAttribute(attributeName)!);
+      } else {
+        this.removeAttribute(attributeName);
+      }
     }
     this._ignoreChange = false;
   }