void TrimScriptOrStyle(HtmlElement element, HtmlScriptStyleElement type)
{
if (settings.RemoveScriptStyleTypeAttribute && type != HtmlScriptStyleElement.JSON)
{
element.RemoveAttribute("type");
}
if (type != HtmlScriptStyleElement.Style && !settings.MinifyJs)
{
return;
}
if (type == HtmlScriptStyleElement.Style && !settings.MinifyCss)
{
return;
}
var raw = element.FirstChild as HtmlRaw;
if (raw == null)
{
return;
}
var slice = raw.Slice;
slice.TrimStart();
slice.TrimEnd();
// If the text has a comment or CDATA, we won't try to minify it
if (slice.StartsWith("<!--") || slice.StartsWithIgnoreCase("<![CDATA["))
{
return;
}
var text = slice.ToString();
var textMinified = MinifyJsOrCss(text, type);
if (textMinified == null)
{
return;
}
raw.Slice = new StringSlice(textMinified);
}
string MinifyJsOrCss(string text, HtmlScriptStyleElement type)
{
UglifyResult result;
if (type == HtmlScriptStyleElement.Style)
{
result = Uglify.Css(text, "inner_css", settings.CssSettings);
}
else if (type == HtmlScriptStyleElement.Javascript)
{
result = Uglify.Js(text, "inner_js", settings.JsSettings);
}
else if (type == HtmlScriptStyleElement.JSON)
{
var jsonSettings = settings.JsSettings.Clone();
jsonSettings.Format = JavaScriptFormat.JSON;
jsonSettings.SourceMode = JavaScriptSourceMode.Expression;
jsonSettings.IgnoreConditionalCompilation = true;
result = Uglify.Js(text, "inner_js", jsonSettings);
}
else
{
return(text);
}
if (result.Errors != null)
{
Errors.AddRange(result.Errors);
}
if (result.HasErrors)
{
HasErrors = true;
return(text);
}
return(result.Code);
}