fixes #1121 by trimming whitespace from user input of clone URI path (#1122)

* fixes #1121 by trimming whitespace from user input of clone URI path

* Update README.md

Author: dudash

README.md

@@ -207,7 +207,7 @@ git clone https://github.com/jupyterlab/jupyterlab-git.git
 # Change directory to the jupyterlab-git directory
 cd jupyterlab-git
 # Install package in development mode
-pip install -e .[dev]
+pip install -e ".[dev]"
 pre-commit install
 # Link your development version of the extension with JupyterLab
 jupyter labextension develop . --overwrite

src/widgets/GitCloneForm.ts

@@ -17,7 +17,7 @@ export class GitCloneForm extends Widget {
    * Returns the input value.
    */
   getValue(): string {
-    return encodeURIComponent(this.node.querySelector('input').value);
+    return encodeURIComponent(this.node.querySelector('input').value.trim());
   }
 
   private static createFormNode(trans: TranslationBundle): HTMLElement {