Lint and style tweaks.

core/field.js

@@ -403,8 +403,6 @@ Blockly.Field.prototype.updateTextNode_ = function() {
     // Truncate displayed string and add an ellipsis ('...').
     text = text.substring(0, this.maxDisplayLength - 2) + '\u2026';
   }
-  // Empty the text element.
-  goog.dom.removeChildren(/** @type {!Element} */ (this.textElement_));
   // Replace whitespace with non-breaking spaces so the text doesn't collapse.
   text = text.replace(/\s/g, Blockly.Field.NBSP);
   if (this.sourceBlock_.RTL && text) {
@@ -415,6 +413,9 @@ Blockly.Field.prototype.updateTextNode_ = function() {
     // Prevent the field from disappearing if empty.
     text = Blockly.Field.NBSP;
   }
+
+  // Replace the text.
+  goog.dom.removeChildren(/** @type {!Element} */ (this.textElement_));
   var textNode = document.createTextNode(text);
   this.textElement_.appendChild(textNode);
 

core/field_dropdown.js

@@ -75,6 +75,13 @@ Blockly.FieldDropdown.ARROW_CHAR = goog.userAgent.ANDROID ? '\u25BC' : '\u25BE';
  */
 Blockly.FieldDropdown.prototype.CURSOR = 'default';
 
+/**
+ * Language-neutral currently selected string.
+ * @type {string}
+ * @private
+ */
+Blockly.FieldDropdown.prototype.value_ = '';
+
 /**
  * Install this dropdown on a block.
  */
@@ -85,9 +92,9 @@ Blockly.FieldDropdown.prototype.init = function() {
   }
   // Add dropdown arrow: "option ▾" (LTR) or "▾ אופציה" (RTL)
   this.arrow_ = Blockly.createSvgElement('tspan', {}, null);
-  this.arrow_.appendChild(document.createTextNode(
-      this.sourceBlock_.RTL ? Blockly.FieldDropdown.ARROW_CHAR + ' ' :
-          ' ' + Blockly.FieldDropdown.ARROW_CHAR));
+  this.arrow_.appendChild(document.createTextNode(this.sourceBlock_.RTL ?
+      Blockly.FieldDropdown.ARROW_CHAR + ' ' :
+      ' ' + Blockly.FieldDropdown.ARROW_CHAR));
 
   Blockly.FieldDropdown.superClass_.init.call(this);
   // Force a reset of the text to add the arrow.
@@ -188,8 +195,8 @@ Blockly.FieldDropdown.prototype.showEditor_ = function() {
 
 /**
  * Handle the selection of an item in the dropdown menu.
- * @param {goog.ui.Menu} menu The Menu component clicked.
- * @param {goog.ui.MenuItem} menuItem The MenuItem selected within menu.
+ * @param {!goog.ui.Menu} menu The Menu component clicked.
+ * @param {!goog.ui.MenuItem} menuItem The MenuItem selected within menu.
  */
 Blockly.FieldDropdown.prototype.onItemSelected = function(menu, menuItem) {
   var value = menuItem.getValue();

core/field_variable.js

@@ -147,8 +147,8 @@ Blockly.FieldVariable.dropdownCreate = function() {
  * Handle the selection of an item in the variable dropdown menu.
  * Special case the 'Rename variable...' and 'Delete variable...' options.
  * In the rename case, prompt the user for a new name.
- * @param {goog.ui.Menu} menu The Menu component clicked.
- * @param {goog.ui.MenuItem} menuItem The MenuItem selected within menu.
+ * @param {!goog.ui.Menu} menu The Menu component clicked.
+ * @param {!goog.ui.MenuItem} menuItem The MenuItem selected within menu.
  */
 Blockly.FieldVariable.prototype.onItemSelected = function(menu, menuItem) {
   var menuLength = menu.getChildCount();
@@ -157,7 +157,7 @@ Blockly.FieldVariable.prototype.onItemSelected = function(menu, menuItem) {
     var workspace = this.sourceBlock_.workspace;
     if (this.renameVarItemIndex_ >= 0 &&
         menu.getChildAt(this.renameVarItemIndex_) === menuItem) {
-      // Rename variable
+      // Rename variable.
       var oldName = this.getText();
       Blockly.hideChaff();
       Blockly.Variables.promptName(
@@ -170,7 +170,7 @@ Blockly.FieldVariable.prototype.onItemSelected = function(menu, menuItem) {
       return;
     } else if (this.deleteVarItemIndex_ >= 0 &&
         menu.getChildAt(this.deleteVarItemIndex_) === menuItem) {
-      // Delete variable
+      // Delete variable.
       workspace.deleteVariable(this.getText());
       return;
     }

core/flyout_button.js

@@ -123,7 +123,7 @@ Blockly.FlyoutButton.prototype.createDom = function() {
       this.svgGroup_);
 
   var svgText = Blockly.createSvgElement('text',
-      {'class':  this.isLabel_ ? 'blocklyFlyoutLabelText' : 'blocklyText',
+      {'class': this.isLabel_ ? 'blocklyFlyoutLabelText' : 'blocklyText',
         'x': 0, 'y': 0,
         'text-anchor': 'middle'}, this.svgGroup_);
   svgText.textContent = this.text_;