Move submodules to directory/mod.nu for ergonomics and extensibility

crates/nu-std/src/lib.rs

@@ -18,19 +18,19 @@ pub fn load_standard_library(
 
         let mut std_files = vec![
             ("mod.nu", include_str!("../std/mod.nu")),
-            ("core.nu", include_str!("../std/core.nu")),
-            ("assert.nu", include_str!("../std/assert.nu")),
-            ("bench.nu", include_str!("../std/bench.nu")),
-            ("dirs.nu", include_str!("../std/dirs.nu")),
-            ("dt.nu", include_str!("../std/dt.nu")),
-            ("formats.nu", include_str!("../std/formats.nu")),
-            ("help.nu", include_str!("../std/help.nu")),
-            ("input.nu", include_str!("../std/input.nu")),
-            ("iter.nu", include_str!("../std/iter.nu")),
-            ("log.nu", include_str!("../std/log.nu")),
-            ("math.nu", include_str!("../std/math.nu")),
-            ("util.nu", include_str!("../std/util.nu")),
-            ("xml.nu", include_str!("../std/xml.nu")),
+            ("core", include_str!("../std/core/mod.nu")),
+            ("assert", include_str!("../std/assert/mod.nu")),
+            ("bench", include_str!("../std/bench/mod.nu")),
+            ("dirs", include_str!("../std/dirs/mod.nu")),
+            ("dt", include_str!("../std/dt/mod.nu")),
+            ("formats", include_str!("../std/formats/mod.nu")),
+            ("help", include_str!("../std/help/mod.nu")),
+            ("input", include_str!("../std/input/mod.nu")),
+            ("iter", include_str!("../std/iter/mod.nu")),
+            ("log", include_str!("../std/log/mod.nu")),
+            ("math", include_str!("../std/math/mod.nu")),
+            ("util", include_str!("../std/util/mod.nu")),
+            ("xml", include_str!("../std/xml/mod.nu")),
         ];
 
         let mut working_set = StateWorkingSet::new(engine_state);
@@ -51,14 +51,14 @@ pub fn load_standard_library(
         let std_dir = std_dir.to_string_lossy().to_string();
         let source = r#"
 # Prelude
-use ([ std core.nu ] | path join) *
+use ([ std core ] | path join) *
 "#;
 
         let _ = working_set.add_virtual_path(std_dir, VirtualPath::Dir(std_virt_paths));
 
         // Add a placeholder file to the stack of files being evaluated.
         // The name of this file doesn't matter; it's only there to set the current working directory to NU_STDLIB_VIRTUAL_DIR.
-        let placeholder = PathBuf::from("loading stdlib");
+        let placeholder = PathBuf::from("load std/core");
         working_set.files = FileStack::with_file(placeholder);
 
         let block = parse(

crates/nu-std/std/core/mod.nu

@@ -1,4 +1,4 @@
-use dt.nu [datetime-diff, pretty-print-duration]
+use dt [datetime-diff, pretty-print-duration]
 
 # Print a banner for nushell with information about the project
 export def banner [] {

crates/nu-std/std/mod.nu

@@ -1,19 +1,19 @@
 # std.nu, `used` to load all standard library components
 
-export module core.nu
-export module bench.nu
-export module assert.nu
-export module dirs.nu
-export module dt.nu
-export module formats.nu
-export module help.nu
-export module input.nu
-export module iter.nu
-export module log.nu
-export module math.nu
-export module util.nu
-export module xml.nu
+export module core
+export module bench
+export module assert
+export module dirs
+export module dt
+export module formats
+export module help
+export module input
+export module iter
+export module log
+export module math
+export module util
+export module xml
 export-env {
-    use dirs.nu []
-    use log.nu []
+    use dirs []
+    use log []
 }