From d95533428f2ec19c98c979bb92f49ff082391cd5 Mon Sep 17 00:00:00 2001
From: Brad Cornes <bradlc41@gmail.com>
Date: Fri, 21 Aug 2020 13:44:24 +0100
Subject: [PATCH] Update color decorator debounce

---
 package-lock.json                 | 12 ++++++++++++
 package.json                      |  2 ++
 src/lib/registerColorDecorator.ts | 10 ++--------
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 3617ee8..f79d333 100755
--- a/package-lock.json
+++ b/package-lock.json
@@ -1019,6 +1019,12 @@
 			"integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
 			"dev": true
 		},
+		"@types/debounce": {
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/@types/debounce/-/debounce-1.2.0.tgz",
+			"integrity": "sha512-bWG5wapaWgbss9E238T0R6bfo5Fh3OkeoSt245CM7JJwVwpw6MEBCbIxLq5z8KzsE3uJhzcIuQkyiZmzV3M/Dw==",
+			"dev": true
+		},
 		"@types/graceful-fs": {
 			"version": "4.1.3",
 			"resolved": "https://registry.npmjs.org/@types/graceful-fs/-/graceful-fs-4.1.3.tgz",
@@ -1960,6 +1966,12 @@
 			"integrity": "sha512-8P1cDi8ebZyDxUyUprBXwidoEtiQAawYPGvpfb+Dg0G6JrQ+VozwOmm91xYC0vAv1+0VmLehEPb+isg4BGUFfA==",
 			"dev": true
 		},
+		"debounce": {
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/debounce/-/debounce-1.2.0.tgz",
+			"integrity": "sha512-mYtLl1xfZLi1m4RtQYlZgJUNQjl4ZxVnHzIR8nLLgi4q1YT8o/WM+MK/f8yfcc9s5Ir5zRaPZyZU6xs1Syoocg==",
+			"dev": true
+		},
 		"debug": {
 			"version": "4.1.1",
 			"resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
diff --git a/package.json b/package.json
index f7d84e0..7815ce1 100755
--- a/package.json
+++ b/package.json
@@ -173,6 +173,7 @@
   },
   "devDependencies": {
     "@ctrl/tinycolor": "^3.1.0",
+    "@types/debounce": "^1.2.0",
     "@types/mocha": "^5.2.0",
     "@types/moo": "^0.5.3",
     "@types/node": "^13.9.3",
@@ -182,6 +183,7 @@
     "chokidar": "^3.3.1",
     "concurrently": "^5.1.0",
     "css.escape": "^1.5.1",
+    "debounce": "^1.2.0",
     "detect-indent": "^6.0.0",
     "dlv": "^1.1.3",
     "dset": "^2.0.1",
diff --git a/src/lib/registerColorDecorator.ts b/src/lib/registerColorDecorator.ts
index b365b8f..66d6767 100644
--- a/src/lib/registerColorDecorator.ts
+++ b/src/lib/registerColorDecorator.ts
@@ -1,6 +1,7 @@
 import { window, workspace, ExtensionContext, TextEditor } from 'vscode'
 import { NotificationEmitter } from './emitter'
 import { LanguageClient } from 'vscode-languageclient'
+import debounce from 'debounce'
 
 const colorDecorationType = window.createTextEditorDecorationType({
   before: {
@@ -28,7 +29,6 @@ export function registerColorDecorator(
   emitter: NotificationEmitter
 ) {
   let activeEditor = window.activeTextEditor
-  let timeout: NodeJS.Timer | undefined = undefined
 
   async function updateDecorations() {
     return updateDecorationsInEditor(activeEditor)
@@ -76,13 +76,7 @@ export function registerColorDecorator(
     )
   }
 
-  function triggerUpdateDecorations() {
-    if (timeout) {
-      clearTimeout(timeout)
-      timeout = undefined
-    }
-    timeout = setTimeout(updateDecorations, 500)
-  }
+  const triggerUpdateDecorations = debounce(updateDecorations, 200)
 
   if (activeEditor) {
     triggerUpdateDecorations()