From a306a1052a51c686b24a6f339190878b8029a894 Mon Sep 17 00:00:00 2001
From: Tamo
Date: Sun, 26 Dec 2021 02:04:33 +0100
Subject: Update settings at runtime (#798)

* feat: Update settings at runtime

fix the clippy warning

* update the documentation

* use to_value instead of to_vec+from_value

* drop the equal

* remove an useless comment

* apply suggestion---
 helix-term/src/ui/mod.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'helix-term/src/ui')

diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs
index f57e2e2b..9e096311 100644
--- a/helix-term/src/ui/mod.rs
+++ b/helix-term/src/ui/mod.rs
@@ -174,7 +174,9 @@ pub mod completers {
     use crate::ui::prompt::Completion;
     use fuzzy_matcher::skim::SkimMatcherV2 as Matcher;
     use fuzzy_matcher::FuzzyMatcher;
+    use helix_view::editor::Config;
     use helix_view::theme;
+    use once_cell::sync::Lazy;
     use std::borrow::Cow;
     use std::cmp::Reverse;
 
@@ -208,6 +210,31 @@ pub mod completers {
         names
     }
 
+    pub fn setting(input: &str) -> Vec<Completion> {
+        static KEYS: Lazy<Vec<String>> = Lazy::new(|| {
+            serde_json::to_value(Config::default())
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .keys()
+                .cloned()
+                .collect()
+        });
+
+        let matcher = Matcher::default();
+
+        let mut matches: Vec<_> = KEYS
+            .iter()
+            .filter_map(|name| matcher.fuzzy_match(name, input).map(|score| (name, score)))
+            .collect();
+
+        matches.sort_unstable_by_key(|(_file, score)| Reverse(*score));
+        matches
+            .into_iter()
+            .map(|(name, _)| ((0..), name.into()))
+            .collect()
+    }
+
     pub fn filename(input: &str) -> Vec<Completion> {
         filename_impl(input, |entry| {
             let is_dir = entry.file_type().map_or(false, |entry| entry.is_dir());
-- 
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