Diplomarbeit-Absolventenverein/oqtane.framework
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changes to support page level scripts, ability to detect prerendering

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This commit is contained in:
sbwalker
2023-05-22 13:56:48 -04:00
parent e41d9008b3
commit ded326c822
7 changed files with 131 additions and 160 deletions
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144
Oqtane.Client/UI/ThemeBuilder.razor
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@ -6,9 +6,9 @@
@DynamicComponent
@code {
[CascadingParameter] PageState PageState { get; set; }
[CascadingParameter] PageState PageState { get; set; }
RenderFragment DynamicComponent { get; set; }
RenderFragment DynamicComponent { get; set; }
protected override void OnParametersSet()
{
@ -38,21 +38,21 @@
favicon = Utilities.FileUrl(PageState.Alias, PageState.Site.FaviconFileId.Value);
}
headcontent += $"<link id=\"app-favicon\" rel=\"shortcut icon\" type=\"image/x-icon\" href=\"{favicon}\" />\n";
// head content
if (!string.IsNullOrEmpty(PageState.Site.HeadContent))
{
headcontent += ProcessHeadContent(PageState.Site.HeadContent, "site") + "\n";
}
if (!string.IsNullOrEmpty(PageState.Page.HeadContent))
{
headcontent += ProcessHeadContent(PageState.Page.HeadContent, $"page{PageState.Page.PageId}") + "\n";
}
// stylesheets
foreach (Resource resource in PageState.Page.Resources.Where(item => item.ResourceType == ResourceType.Stylesheet))
{
var url = (resource.Url.Contains("://")) ? resource.Url : PageState.Alias.BaseUrl + resource.Url;
headcontent += CreateLink(url, resource.Integrity, resource.CrossOrigin) + "\n";
}
// head content
if (!string.IsNullOrEmpty(PageState.Site.HeadContent))
{
headcontent += PageState.Site.HeadContent + "\n";
}
if (!string.IsNullOrEmpty(PageState.Page.HeadContent))
{
headcontent += PageState.Page.HeadContent + "\n";
}
SiteState.Properties.HeadContent = headcontent;
DynamicComponent = builder =>
@ -65,87 +65,75 @@
protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (!string.IsNullOrEmpty(PageState.Page.HeadContent) && PageState.Page.HeadContent.Contains("<script"))
if (!firstRender)
{
// inject scripts into page
var interop = new Interop(JSRuntime);
var count = 0;
var index = PageState.Page.HeadContent.IndexOf("<script");
while (index >= 0)
if (!string.IsNullOrEmpty(PageState.Page.HeadContent) && PageState.Page.HeadContent.Contains("<script"))
{
var script = PageState.Page.HeadContent.Substring(index, PageState.Page.HeadContent.IndexOf("</script>", index) + 9 - index);
var attributes = script.Substring(0, script.IndexOf(">")).Replace("\"", "").Split(" ");
string id = "";
string src = "";
string integrity = "";
string crossorigin = "";
string type = "";
foreach (var attribute in attributes)
// inject scripts into page dynamically
var interop = new Interop(JSRuntime);
var scripts = new List<object>();
var count = 0;
var index = PageState.Page.HeadContent.IndexOf("<script");
while (index >= 0)
{
if (attribute.Contains("="))
var script = PageState.Page.HeadContent.Substring(index, PageState.Page.HeadContent.IndexOf("</script>", index) + 9 - index);
// get script attributes
var attributes = script.Substring(0, script.IndexOf(">")).Replace("\"", "").Split(" ");
string id = "";
string src = "";
string integrity = "";
string crossorigin = "";
string type = "";
foreach (var attribute in attributes)
{
var value = attribute.Split("=");
switch (value[0])
if (attribute.Contains("="))
{
case "id":
id = value[1];
break;
case "src":
src = value[1];
break;
case "integrity":
integrity = value[1];
break;
case "crossorigin":
crossorigin = value[1];
break;
case "type":
type = value[1];
break;
var value = attribute.Split("=");
switch (value[0])
{
case "id":
id = value[1];
break;
case "src":
src = value[1];
break;
case "integrity":
integrity = value[1];
break;
case "crossorigin":
crossorigin = value[1];
break;
case "type":
type = value[1];
break;
}
}
}
}
if (!string.IsNullOrEmpty(src))
{
src = (src.Contains("://")) ? src : PageState.Alias.BaseUrl + src;
await interop.IncludeScript(id, src, integrity, crossorigin, type, "", "head");
}
else
{
if (id == "")
// inject script
if (!string.IsNullOrEmpty(src))
{
count += 1;
id = $"page{PageState.Page.PageId}-script{count}";
src = (src.Contains("://")) ? src : PageState.Alias.BaseUrl + src;
scripts.Add(new { href = src, bundle = "", integrity = integrity, crossorigin = crossorigin, es6module = (type == "module"), location = "head" });
}
index = script.IndexOf(">") + 1;
await interop.IncludeScript(id, "", "", "", "", script.Substring(index, script.IndexOf("</script>") - index), "head");
else
{
// inline script must have an id attribute
if (id == "")
{
count += 1;
id = $"page{PageState.Page.PageId}-script{count}";
}
index = script.IndexOf(">") + 1;
await interop.IncludeScript(id, "", "", "", "", script.Substring(index, script.IndexOf("</script>") - index), "head");
}
index = PageState.Page.HeadContent.IndexOf("<script", index + 1);
}
index = PageState.Page.HeadContent.IndexOf("<script", index + 1);
}
}
}
private string ProcessHeadContent(string headcontent, string id)
{
// iterate scripts
if (!string.IsNullOrEmpty(headcontent))
{
var count = 0;
var index = headcontent.IndexOf("<script");
while (index >= 0)
{
var script = headcontent.Substring(index, headcontent.IndexOf("</script>", index) + 9 - index);
if (!script.Contains("src=") && !script.Contains("id="))
if (scripts.Any())
{
count += 1;
id += $"-script{count}";
headcontent = headcontent.Replace(script, script.Replace("<script", $"<script id=\"{id}\""));
index += id.Length;
await interop.IncludeScripts(scripts.ToArray());
}
index = headcontent.IndexOf("<script", index + 1);
}
}
return headcontent;
}
private string CreateLink(string url, string integrity, string crossorigin)