1 files changed, 22 insertions, 0 deletions
diff --git a/web_src/js/utils.js b/web_src/js/utils.js
index b000c1af77..b511c9981d 100644
--- a/web_src/js/utils.js
+++ b/web_src/js/utils.js
@@ -1,3 +1,25 @@
+// retrieve a HTML string for given SVG icon name and size in pixels
 export function svg(name, size) {
   return `<svg class="svg ${name}" width="${size}" height="${size}" aria-hidden="true"><use xlink:href="#${name}"/></svg>`;
 }
+
+// transform /path/to/file.ext to file.ext
+export function basename(path = '') {
+  return path ? path.replace(/^.*\//, '') : '';
+}
+
+// transform /path/to/file.ext to .ext
+export function extname(path = '') {
+  const [_, ext] = /.+(\.[^.]+)$/.exec(path) || [];
+  return ext || '';
+}
+
+// test whether a variable is an object
+export function isObject(obj) {
+  return Object.prototype.toString.call(obj) === '[object Object]';
+}
+
+// returns whether a dark theme is enabled
+export function isDarkTheme() {
+  return document.documentElement.classList.contains('theme-arc-green');
+}