Add --spa-index option

1 files changed, 12 insertions, 1 deletions

diff --git a/src/config.rs b/src/config.rs
index ce4e5d7..0af19a6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -68,6 +68,13 @@ pub struct MiniserveConfig {
     /// However, if a directory contains this file, miniserve will serve that file instead.
     pub index: Option<std::path::PathBuf>,
 
+    /// The index file of a single page application
+    ///
+    /// If this option is set, miniserve will serve the specified file instead of a 404 page when
+    /// a non-existent path is requested. This is intended for single-page applications where
+    /// routing takes place on the client side.
+    pub spa_index: Option<std::path::PathBuf>,
+
     /// Enable QR code display
     pub show_qrcode: bool,
 
@@ -169,6 +176,9 @@ impl MiniserveConfig {
         #[cfg(not(feature = "tls"))]
         let tls_rustls_server_config = None;
 
+        // If spa_index is set but index is unset, copy the former into the latter
+        let index = args.index.or(args.spa_index.clone());
+
         Ok(MiniserveConfig {
             verbose: args.verbose,
             path: args.path.unwrap_or_else(|| PathBuf::from(".")),
@@ -183,7 +193,8 @@ impl MiniserveConfig {
             css_route,
             default_color_scheme,
             default_color_scheme_dark,
-            index: args.index,
+            index,
+            spa_index: args.spa_index,
             overwrite_files: args.overwrite_files,
             show_qrcode: args.qrcode,
             file_upload: args.file_upload,