Add deprecated js

Author: recrwplay

doc/sphinx/source/conf.py

@@ -42,6 +42,7 @@
 def setup(app):  # type: ignore
     app.add_js_file("https://neo4j.com/docs/assets/js/site.js", loading_method="defer")
     app.add_js_file("js/12-fragment-jumper.js", loading_method="defer")
+    app.add_js_file("js/deprecated.js", loading_method="defer")
 
 
 rst_epilog = """

doc/sphinx/source/themes/neo4j/static/js/deprecated.js

@@ -0,0 +1,11 @@
+document.addEventListener('DOMContentLoaded', function () {
+    const deprecatedDivs = document.querySelectorAll('div.deprecated')
+    deprecatedDivs.forEach(function (deprecatedDiv) {
+
+    // get previous sibling
+    const previousSibling = deprecatedDiv.previousElementSibling
+    // add deprecated class to previous sibling
+    previousSibling.classList.add('deprecated')
+
+    })
+  })