Follow up for de559d0 - Maintenance: Add language switcher to the pag…

…e header.

_static/theme/language_switcher.js

@@ -3,10 +3,14 @@ const CONTRIBUTE_URL = 'https://docs.zammad.org/en/latest/contributing/start.htm
 // Initialize the switcher only when RTD panel gets loaded.
 //   If the menu has exactly the 6 sections, the first one on top is the language chooser.
 //   We must check it in this way since the label may be translated based on the browser locale.
+//   Try to do this only for the first 3 seconds or so, otherwise the documentation may not have any translations.
 $(document).ready(() => {
+  let count = 0
+
   const intervalId = setInterval(() => {
+    if ($('.rst-other-versions dt').length !== 6 && count++ <= 30) return
+    clearInterval(intervalId)
     if ($('.rst-other-versions dt').length !== 6) return
-    clearInterval(intervalId);
     initLanguageSwitcher()
   }, 100)
 })

conf.py

@@ -55,7 +55,6 @@ def setup(app):
    #    ],
    # }
 
-   html_js_files = ['theme/language_switcher.js']
    html_css_files = [
      'https://media.readthedocs.org/css/sphinx_rtd_theme.css',
      'https://media.readthedocs.org/css/readthedocs-doc-embed.css',
@@ -68,11 +67,11 @@ def setup(app):
    # If we're **not on latest**, we'll display a deprecation warning.
    if rtd_version == 'latest':
       branch = rtd_version
+
+      # Inject the language switcher script.
+      html_js_files = ['theme/language_switcher.js']
    elif rtd_version == 'pre-release':
       branch = "pre-release"
-
-      # Skip the injection of the language switcher.
-      del html_js_files
    else:
       branch = "old-version"