Fix too much output in prodcution mode

Close mar10#974

Author: mar10

CHANGELOG.md

@@ -1,5 +1,7 @@
 # 2.33.1-0 / Unreleased
   * TODO: tree.hasFocus() more reliable.
+  * [Added] `tree.time()`, `tree.timeEnd()` for debugging.
+  * [Fixed] #974 too much output in prodcution mode.
   * [Fixed] #973 when use ext-grid in one tree, other tree not use ext-grid has error on click.
 
 # 2.33.0 / 2019-10-29

src/jquery.fancytree.grid.js

@@ -403,7 +403,7 @@
 			// this.debug("_renumberVisibleNodes() ignored.");
 			return false;
 		}
-		window.console.time("_renumberVisibleNodes()");
+		this.time("_renumberVisibleNodes()");
 		var i = 0,
 			prevLength = this.visibleNodeList ? this.visibleNodeList.length : 0,
 			visibleNodeList = (this.visibleNodeList = []);
@@ -422,7 +422,7 @@
 			node._rowIdx = i++;
 			visibleNodeList.push(node);
 		});
-		window.console.timeEnd("_renumberVisibleNodes()");
+		this.timeEnd("_renumberVisibleNodes()");
 		if (i !== prevLength) {
 			this._triggerTreeEvent("updateViewport", null, {
 				reason: "renumber",
@@ -446,7 +446,7 @@
 			// tree.debug("no render", tree._enableUpdate);
 			return;
 		}
-		window.console.time("redrawViewport()");
+		this.time("redrawViewport()");
 		this._renumberVisibleNodes(force);
 		// Adjust vp.start value to assure the current content is inside:
 		this._fixStart(null, true);
@@ -500,7 +500,7 @@
 			trIdx++;
 		}
 		this.isVpUpdating = prevPhase;
-		window.console.timeEnd("redrawViewport()");
+		this.timeEnd("redrawViewport()");
 	};
 
 	$.ui.fancytree.registerExtension({

src/jquery.fancytree.js

@@ -3783,6 +3783,26 @@
 		setOption: function(optionName, value) {
 			return this.widget.option(optionName, value);
 		},
+		/**
+		 * Call console.time() when in debug mode (verbose >= 4).
+		 *
+		 * @param {string} label
+		 */
+		time: function(label) {
+			if (this.options.debugLevel >= 4) {
+				window.console.time(this + " - " + label);
+			}
+		},
+		/**
+		 * Call console.timeEnd() when in debug mode (verbose >= 4).
+		 *
+		 * @param {string} label
+		 */
+		timeEnd: function(label) {
+			if (this.options.debugLevel >= 4) {
+				window.console.timeEnd(this + " - " + label);
+			}
+		},
 		/**
 		 * Return all nodes as nested list of {@link NodeData}.
 		 *