Load RequireJS explictly for Plotly when running in IJulia

.zenodo.json

@@ -779,6 +779,12 @@
         {
             "name": "Patrick Jaap",
             "type": "Other"
+        },
+        {
+            "affiliation": "European XFEL",
+            "name": "James Wrigley",
+            "orcid": "0009-0003-6525-7413",
+            "type": "Other"
         }
     ],
     "upload_type": "software"

src/backends/plotly.jl

@@ -1109,10 +1109,13 @@ function plotly_html_body(plt, style = nothing)
     uuid = UUIDs.uuid4()
     html = """
         <div id=\"$(uuid)\" style=\"$(style)\"></div>
+        <script src="https://requirejs.org/docs/release/$(_requirejs_version)/minified/require.js" onload="plots_jl_plotly_init()"></script>
         <script>
-        $(requirejs_prefix)
-        $(js_body(plt, uuid))
-        $(requirejs_suffix)
+        function plots_jl_plotly_init() {
+            $(requirejs_prefix)
+            $(js_body(plt, uuid))
+            $(requirejs_suffix)
+        }
         </script>
     """
     html

src/init.jl

@@ -24,6 +24,8 @@ use fixed version of Plotly instead of the latest one for stable dependency
 """
 const _plotly_min_js_filename = "plotly-2.6.3.min.js"
 
+const _requirejs_version = v"2.3.7"
+
 """
 Whether to use local embedded or local dependencies instead of CDN.
 """