Use <details> element for collapsibles (#690)

* Remove unnecessary call to 'collapseSection'

The call is unnecessary since there is no corresponding toggle for hiding the
section of orphan instances.

* Use <details> for collapsibles

This makes them work even when JS is disabled. Closes #560.

1 files changed, 20 insertions, 0 deletions

diff --git a/haddock-api/resources/html/js-src/cookies.ts b/haddock-api/resources/html/js-src/cookies.ts
new file mode 100644
index 00000000..3b68d6d8
--- /dev/null
+++ b/haddock-api/resources/html/js-src/cookies.ts
@@ -0,0 +1,20 @@
+export function setCookie(name: string, value: string) {
+  document.cookie = name + "=" + encodeURIComponent(value) + ";path=/;";
+}
+
+export function clearCookie(name: string) {
+  document.cookie = name + "=;path=/;expires=Thu, 01-Jan-1970 00:00:01 GMT;";
+}
+
+export function getCookie(name: string) {
+  const nameEQ = name + "=";
+  const ca = document.cookie.split(';');
+  for (let i = 0; i < ca.length; i++) {
+    let c = ca[i];
+    while (c.charAt(0)==' ') c = c.substring(1,c.length);
+    if (c.indexOf(nameEQ) == 0) {
+      return decodeURIComponent(c.substring(nameEQ.length,c.length));
+    }
+  }
+  return null;
+}
\ No newline at end of file