add option to hide snippets

book/src/configuration.md

@@ -127,6 +127,7 @@ The following statusline elements can be configured:
 | `auto-signature-help` | Enable automatic popup of signature help (parameter hints)  | `true`  |
 | `display-inlay-hints` | Display inlay hints[^2]                                     | `false` |
 | `display-signature-help-docs` | Display docs under signature help popup             | `true`  |
+| `show-snippet-completions` | Whether to show snippets as completion options         | `true`  |
 
 [^1]: By default, a progress spinner is shown in the statusline beside the file path.
 [^2]: You may also have to activate them in the LSP config for them to appear, not just in Helix.

helix-lsp/src/lib.rs

@@ -334,6 +334,14 @@ pub mod util {
         transaction.with_selection(selection)
     }
 
+    pub fn is_snippet(item: &lsp::CompletionItem) -> bool {
+        matches!(item.kind, Some(lsp::CompletionItemKind::SNIPPET))
+            || matches!(
+                item.insert_text_format,
+                Some(lsp::InsertTextFormat::SNIPPET)
+            )
+    }
+
     /// Creates a [Transaction] from the [snippet::Snippet] in a completion response.
     /// The transaction applies the edit to all cursors.
     #[allow(clippy::too_many_arguments)]

helix-term/src/ui/completion.rs

@@ -15,7 +15,10 @@ use helix_view::{graphics::Rect, Document, Editor};
 use crate::commands;
 use crate::ui::{menu, Markdown, Menu, Popup, PromptEvent};
 
-use helix_lsp::{lsp, util};
+use helix_lsp::{
+    lsp,
+    util::{self, is_snippet},
+};
 use lsp::CompletionItem;
 
 impl menu::Item for CompletionItem {
@@ -107,8 +110,12 @@ impl Completion {
         offset_encoding: helix_lsp::OffsetEncoding,
         start_offset: usize,
         trigger_offset: usize,
+        show_snippets: bool,
     ) -> Self {
         let replace_mode = editor.config().completion_replace;
+        if !show_snippets {
+            items.retain(|completion| !is_snippet(completion))
+        }
         // Sort completion items according to their preselect status (given by the LSP server)
         items.sort_by_key(|item| !item.preselect.unwrap_or(false));
 
@@ -166,12 +173,7 @@ impl Completion {
                     (None, new_text)
                 };
 
-                if matches!(item.kind, Some(lsp::CompletionItemKind::SNIPPET))
-                    || matches!(
-                        item.insert_text_format,
-                        Some(lsp::InsertTextFormat::SNIPPET)
-                    )
-                {
+                if is_snippet(item) {
                     match snippet::parse(&new_text) {
                         Ok(snippet) => util::generate_transaction_from_snippet(
                             doc.text(),

helix-term/src/ui/editor.rs

@@ -960,6 +960,7 @@ impl EditorView {
             offset_encoding,
             start_offset,
             trigger_offset,
+            editor.config().lsp.show_snippet_completions,
         );
 
         if completion.is_empty() {

helix-view/src/editor.rs

@@ -352,6 +352,8 @@ pub struct LspConfig {
     pub display_signature_help_docs: bool,
     /// Display inlay hints
     pub display_inlay_hints: bool,
+    /// Whether to enable snippet support
+    pub show_snippet_completions: bool,
 }
 
 impl Default for LspConfig {
@@ -362,6 +364,7 @@ impl Default for LspConfig {
             auto_signature_help: true,
             display_signature_help_docs: true,
             display_inlay_hints: false,
+            show_snippet_completions: true,
         }
     }
 }