Initial Move from Azure DevOps to GitHub

src/Explorer/Notebook/FileSystemUtil.ts

@@ -0,0 +1,37 @@
+// Utilities for file system
+
+export class FileSystemUtil {
+  /**
+   * file list returns path starting with ./blah
+   * rename returns simply blah.
+   * Both are the same. This method only handles these two cases and no other complicated paths that may contain ..
+   * ./ inside the path.
+   * TODO: this should go away when not using jupyter for file operations and use normalized paths.
+   * @param path1
+   * @param path2
+   */
+  public static isPathEqual(path1: string, path2: string): boolean {
+    const normalize = (path: string): string => {
+      const dotSlash = "./";
+      if (path.indexOf(dotSlash) === 0) {
+        path = path.substring(dotSlash.length);
+      }
+      return path;
+    };
+
+    return normalize(path1) === normalize(path2);
+  }
+
+  /**
+   * Remove extension
+   * @param path
+   * @param extension Without the ".". e.g. "ipynb" (and not ".ipynb")
+   */
+  public static stripExtension(path: string, extension: string): string {
+    const splitted = path.split(".");
+    if (splitted[splitted.length - 1] === extension) {
+      splitted.pop();
+    }
+    return splitted.join(".");
+  }
+}