private IReadOnlyList <Endpoint> Update(StaticFileOptionsProvider staticFileOptionsProvider)
{
const string HtmlExtension = ".html";
const string CatchAllSlugPrefix = "...";
var staticFileOptions = staticFileOptionsProvider.StaticFileOptions;
var requestDelegate = CreateRequestDelegate(this.endpointRouteBuilder, staticFileOptions);
var endpoints = new List <Endpoint>();
foreach (var filePath in TraverseFiles(staticFileOptions.FileProvider))
{
if (!filePath.EndsWith(HtmlExtension))
{
continue;
}
var fileWithoutHtml = filePath.Substring(0, filePath.Length - HtmlExtension.Length);
var patternSegments = new List <RoutePatternPathSegment>();
var segments = fileWithoutHtml.Split('/');
// NOTE: Start at 1 because paths here always have a leading slash
for (int i = 1; i < segments.Length; i++)
{
var segment = segments[i];
if (i == segments.Length - 1 && segment == "index")
{
// Skip `index` segment, match whatever we got so far.
// This is so that e.g. file `/a/b/index.html` is served at path `/a/b`, as desired.
// TODO: Should we also serve the same file at `/a/b/index`? Note that `/a/b/index.html` will already work
// via the UseStaticFiles middleware added by `NextjsStaticHostingExtensions.UseNextjsStaticHosting`.
break;
}
var match = slugRegex.Match(segment);
if (match.Success)
{
string slugName = match.Groups[1].Value;
if (slugName.StartsWith(CatchAllSlugPrefix))
{
// Catch all route -- see: https://nextjs.org/docs/routing/dynamic-routes#catch-all-routes
var parameterName = slugName.Substring(CatchAllSlugPrefix.Length);
patternSegments.Add(
RoutePatternFactory.Segment(
RoutePatternFactory.ParameterPart(parameterName, null, RoutePatternParameterKind.CatchAll)));
}
else
{
// Dynamic route -- see: https://nextjs.org/docs/routing/dynamic-routes
patternSegments.Add(
RoutePatternFactory.Segment(
RoutePatternFactory.ParameterPart(slugName)));
}
}
else
{
// Literal match
patternSegments.Add(
RoutePatternFactory.Segment(
RoutePatternFactory.LiteralPart(segment)));
}
}
var endpointBuilder = new RouteEndpointBuilder(requestDelegate, RoutePatternFactory.Pattern(patternSegments), order: DefaultEndpointOrder);
endpointBuilder.Metadata.Add(new StaticFileEndpointMetadata(filePath));
endpointBuilder.DisplayName = $"Next.js {filePath}";
var endpoint = endpointBuilder.Build();
endpoints.Add(endpoint);
}
return(endpoints);
}
internal NextjsEndpointDataSource(IEndpointRouteBuilder endpointRouteBuilder, StaticFileOptionsProvider staticFileOptionsProvider)
{
this.endpointRouteBuilder = endpointRouteBuilder ?? throw new ArgumentNullException(nameof(endpointRouteBuilder));
_ = staticFileOptionsProvider ?? throw new ArgumentNullException(nameof(staticFileOptionsProvider));
this.endpoints = this.Update(staticFileOptionsProvider);
}
