feat: use sort_text over label for sorting

Closes #365

Author: Saghen

lua/blink/cmp/fuzzy/fuzzy.rs

@@ -121,8 +121,14 @@ pub fn fuzzy(
             }
             "label" => {
                 matches.sort_by(|a, b| {
-                    let label_a = &haystack[a.index_in_haystack].label;
-                    let label_b = &haystack[b.index_in_haystack].label;
+                    let label_a = haystack[a.index_in_haystack]
+                        .sort_text
+                        .as_ref()
+                        .unwrap_or(&haystack[a.index_in_haystack].label);
+                    let label_b = haystack[b.index_in_haystack]
+                        .sort_text
+                        .as_ref()
+                        .unwrap_or(&haystack[b.index_in_haystack].label);
 
                     // Put anything with an underscore at the end
                     match (label_a.starts_with('_'), label_b.starts_with('_')) {

lua/blink/cmp/fuzzy/init.lua

@@ -65,8 +65,11 @@ end
 function fuzzy.get_query()
   local line = vim.api.nvim_get_current_line()
   local keyword = config.completion.keyword
-  local range =
-    require('blink.cmp.lib.utils').get_regex_around_cursor(keyword.range, keyword.regex, keyword.exclude_from_prefix_regex)
+  local range = require('blink.cmp.lib.utils').get_regex_around_cursor(
+    keyword.range,
+    keyword.regex,
+    keyword.exclude_from_prefix_regex
+  )
   return string.sub(line, range.start_col, range.start_col + range.length - 1)
 end
 

lua/blink/cmp/fuzzy/lsp_item.rs

@@ -4,6 +4,7 @@ use mlua::prelude::*;
 pub struct LspItem {
     pub label: String,
     pub filter_text: Option<String>,
+    pub sort_text: Option<String>,
     pub kind: u32,
     pub score_offset: i32,
     pub source_id: String,
@@ -14,13 +15,15 @@ impl FromLua for LspItem {
         if let Some(tab) = value.as_table() {
             let label = tab.get("label").unwrap_or_default();
             let filter_text = tab.get("filterText").ok();
+            let sort_text = tab.get("sortText").ok();
             let kind = tab.get("kind").unwrap_or_default();
             let score_offset = tab.get("score_offset").unwrap_or(0);
             let source_id = tab.get("source_id").unwrap_or_default();
 
             Ok(LspItem {
                 label,
                 filter_text,
+                sort_text,
                 kind,
                 score_offset,
                 source_id,