[toolchains] throttle clicking tc blocks to ignore doubleclicks, closes #107

conda/js/src/components/toolchain/ToolchainEditor.jsx

@@ -882,16 +882,23 @@ export class ToolchainEditor extends React.PureComponent<Props, State> {
 		}
 	}
 
+	lastClickMs = 0
 	// handles left clicking on a block
 	handleBlockClick = (blockName: string, set: BlockSet) => {
-		const newMBI = {
-			set,
-			name: blockName,
-			active: true,
-		};
-		this.setState({
-			modalBlockInfo: newMBI,
-		});
+		const currTime = Date.now();
+		// 1sec throttling
+		const delay = 1000;
+		if(currTime - this.lastClickMs > delay){
+			const newMBI = {
+				set,
+				name: blockName,
+				active: true,
+			};
+			this.setState({
+				modalBlockInfo: newMBI,
+			});
+		}
+		this.lastClickMs = currTime;
 	}
 
 	// uses the server's /layout endpoint to get a graphviz layout for this toolchain