Initial commit to github

static/js/modules/GetHeaderHeight.js

@@ -0,0 +1,12 @@
+/**
+ * Get Header Height
+ * -
+ * Get header height and set CSS variable "--hgtHeader" to the header height.
+ */
+
+function getHeaderHeight() {
+  const headerHeight = document.querySelector('.header__nav-main').getBoundingClientRect().height;
+  document.documentElement.style.setProperty('--hgtHeader', `${headerHeight}px`);
+}
+
+export default getHeaderHeight;