As per the API, set "attached" after attachedCallback() completes, no…

…t before.

Refs #385, fixes ibm-js/deliteful#538, refs ibm-js/deliteful#539.

Bidi.js

@@ -30,21 +30,19 @@ define([
 		textDir: "",
 
 		/**
-		 * Get the direction setting for the page itself, or if `has("inherited-dir")` is defined, then
-		 * for the dir setting inherited from any ancestor node.
+		 * Return the direction setting for the page itself, or if `has("inherited-dir")` is defined and the widget is
+		 * attached to the page, then return the dir setting inherited from any ancestor node.
 		 * @returns {string} "ltr" or "rtl"
 		 * @protected
 		 */
 		getInheritedDir: function () {
-			if (this.attached && has("inherited-dir")) {
-				return window.getComputedStyle(this, null).direction;
-			}
-			return this.ownerDocument.body.dir || this.ownerDocument.documentElement.dir || "ltr";
+			return this._inheritedDir || this.ownerDocument.body.dir || this.ownerDocument.documentElement.dir || "ltr";
 		},
 
 		attachedCallback: function () {
 			if (has("inherited-dir")) {
 				// Now that the widget is attached to the DOM, need to retrigger computation of effectiveDir.
+				this._inheritedDir = window.getComputedStyle(this, null).direction;
 				this.notifyCurrentValue("dir");
 				this.deliver();
 			}

CustomElement.js

@@ -242,8 +242,6 @@ define([
 				// prematurely in the programmatic case (i.e. calling it before user parameters have been applied).
 				this.deliver();
 
-				this.attached = true;
-
 				// Protect against repeated calls.
 				this._realAttachedCallback = this.attachedCallback;
 				this.attachedCallback = nop;
@@ -252,6 +250,8 @@ define([
 				}
 			},
 			after: function () {
+				this.attached = true;
+
 				this.emit("customelement-attached", {
 					bubbles: false,
 					cancelable: false