Remove serde flag from indexmap dependency

Cargo.lock

@@ -809,7 +809,6 @@ checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
 dependencies = [
  "equivalent",
  "hashbrown",
- "serde",
 ]
 
 [[package]]
@@ -1683,7 +1682,6 @@ dependencies = [
  "ide",
  "ide-db",
  "ide-ssr",
- "indexmap",
  "itertools",
  "load-cargo",
  "lsp-server 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",

crates/rust-analyzer/Cargo.toml

@@ -47,7 +47,6 @@ always-assert = "0.2.0"
 walkdir = "2.3.2"
 semver.workspace = true
 memchr = "2.7.1"
-indexmap = { workspace = true, features = ["serde"] }
 
 cfg.workspace = true
 flycheck.workspace = true

crates/rust-analyzer/src/config.rs

@@ -18,7 +18,6 @@ use ide_db::{
     imports::insert_use::{ImportGranularity, InsertUseConfig, PrefixKind},
     SnippetCap,
 };
-use indexmap::IndexMap;
 use itertools::Itertools;
 use lsp_types::{ClientCapabilities, MarkupKind};
 use paths::{Utf8Path, Utf8PathBuf};
@@ -382,8 +381,7 @@ config_data! {
         /// Enables completions of private items and fields that are defined in the current workspace even if they are not visible at the current position.
         completion_privateEditable_enable: bool = false,
         /// Custom completion snippets.
-        // NOTE: we use IndexMap for deterministic serialization ordering
-        completion_snippets_custom: IndexMap<String, SnippetDef> = serde_json::from_str(r#"{
+        completion_snippets_custom: FxHashMap<String, SnippetDef> = serde_json::from_str(r#"{
             "Arc::new": {
                 "postfix": "arc",
                 "body": "Arc::new(${receiver})",
@@ -1243,7 +1241,19 @@ impl Config {
     }
 
     pub fn json_schema() -> serde_json::Value {
-        FullConfigInput::json_schema()
+        let mut s = FullConfigInput::json_schema();
+
+        fn sort_objects_by_field(json: &mut serde_json::Value) {
+            if let serde_json::Value::Object(object) = json {
+                let old = std::mem::take(object);
+                old.into_iter().sorted_by(|(k, _), (k2, _)| k.cmp(k2)).for_each(|(k, mut v)| {
+                    sort_objects_by_field(&mut v);
+                    object.insert(k, v);
+                });
+            }
+        }
+        sort_objects_by_field(&mut s);
+        s
     }
 
     pub fn root_path(&self) -> &AbsPathBuf {
@@ -2640,9 +2650,8 @@ macro_rules! _config_data {
 
         /// All fields `Option<T>`, `None` representing fields not set in a particular JSON/TOML blob.
         #[allow(non_snake_case)]
-        #[derive(Clone, Serialize, Default)]
+        #[derive(Clone, Default)]
         struct $input { $(
-            #[serde(skip_serializing_if = "Option::is_none")]
             $field: Option<$ty>,
         )* }
 
@@ -2725,7 +2734,7 @@ struct DefaultConfigData {
 /// All of the config levels, all fields `Option<T>`, to describe fields that are actually set by
 /// some rust-analyzer.toml file or JSON blob. An empty rust-analyzer.toml corresponds to
 /// all fields being None.
-#[derive(Debug, Clone, Default, Serialize)]
+#[derive(Debug, Clone, Default)]
 struct FullConfigInput {
     global: GlobalConfigInput,
     local: LocalConfigInput,
@@ -2770,7 +2779,7 @@ impl FullConfigInput {
 /// All of the config levels, all fields `Option<T>`, to describe fields that are actually set by
 /// some rust-analyzer.toml file or JSON blob. An empty rust-analyzer.toml corresponds to
 /// all fields being None.
-#[derive(Debug, Clone, Default, Serialize)]
+#[derive(Debug, Clone, Default)]
 struct GlobalLocalConfigInput {
     global: GlobalConfigInput,
     local: LocalConfigInput,
@@ -2932,7 +2941,7 @@ fn field_props(field: &str, ty: &str, doc: &[&str], default: &str) -> serde_json
         "FxHashMap<Box<str>, Box<[Box<str>]>>" => set! {
             "type": "object",
         },
-        "IndexMap<String, SnippetDef>" => set! {
+        "FxHashMap<String, SnippetDef>" => set! {
             "type": "object",
         },
         "FxHashMap<String, String>" => set! {
@@ -3347,6 +3356,7 @@ mod tests {
     #[test]
     fn generate_package_json_config() {
         let s = Config::json_schema();
+
         let schema = format!("{s:#}");
         let mut schema = schema
             .trim_start_matches('[')

docs/user/generated_config.adoc

@@ -350,12 +350,6 @@ Default:
     "description": "Put the expression into a pinned `Box`",
     "scope": "expr"
   },
-  "Ok": {
-    "postfix": "ok",
-    "body": "Ok(${receiver})",
-    "description": "Wrap the expression in a `Result::Ok`",
-    "scope": "expr"
-  },
   "Err": {
     "postfix": "err",
     "body": "Err(${receiver})",
@@ -367,6 +361,12 @@ Default:
     "body": "Some(${receiver})",
     "description": "Wrap the expression in an `Option::Some`",
     "scope": "expr"
+  },
+  "Ok": {
+    "postfix": "ok",
+    "body": "Ok(${receiver})",
+    "description": "Wrap the expression in a `Result::Ok`",
+    "scope": "expr"
   }
 }
 ----

editors/code/package.json

@@ -1187,12 +1187,6 @@
                                 "description": "Put the expression into a pinned `Box`",
                                 "scope": "expr"
                             },
-                            "Ok": {
-                                "postfix": "ok",
-                                "body": "Ok(${receiver})",
-                                "description": "Wrap the expression in a `Result::Ok`",
-                                "scope": "expr"
-                            },
                             "Err": {
                                 "postfix": "err",
                                 "body": "Err(${receiver})",
@@ -1204,6 +1198,12 @@
                                 "body": "Some(${receiver})",
                                 "description": "Wrap the expression in an `Option::Some`",
                                 "scope": "expr"
+                            },
+                            "Ok": {
+                                "postfix": "ok",
+                                "body": "Ok(${receiver})",
+                                "description": "Wrap the expression in a `Result::Ok`",
+                                "scope": "expr"
                             }
                         },
                         "type": "object"