From 2a899aa70219bcee2b0d3f02712f2f9f88a1daac Mon Sep 17 00:00:00 2001
From: Nate Butler <iamnbutler@gmail.com>
Date: Tue, 18 Apr 2023 15:17:10 -0400
Subject: [PATCH] Merge pull request #2384 from
 zed-industries/update-copilot-styles

Update copilot styles
---
 styles/src/themes/common/syntax.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/styles/src/themes/common/syntax.ts b/styles/src/themes/common/syntax.ts
index dcfd93628e764854482e85ba61df6714c91288f9..50c3e4e3b730de7e59ac22fd583f2620f8f82ef3 100644
--- a/styles/src/themes/common/syntax.ts
+++ b/styles/src/themes/common/syntax.ts
@@ -1,6 +1,7 @@
 import deepmerge from "deepmerge"
 import { FontWeight, fontWeights } from "../../common"
 import { ColorScheme } from "./colorScheme"
+import chroma from "chroma-js"
 
 export interface SyntaxHighlightStyle {
     color: string
@@ -128,6 +129,8 @@ function buildDefaultSyntax(colorScheme: ColorScheme): Syntax {
         [key: string]: Omit<SyntaxHighlightStyle, "color">
     } = {}
 
+    const light = colorScheme.isLight
+
     // then spread the default to each style
     for (const key of Object.keys({} as Syntax)) {
         syntax[key as keyof Syntax] = {
@@ -135,11 +138,20 @@ function buildDefaultSyntax(colorScheme: ColorScheme): Syntax {
         }
     }
 
+    // Mix the neutral and blue colors to get a
+    // predictive color distinct from any other color in the theme
+    const predictive = chroma.mix(
+        colorScheme.ramps.neutral(0.4).hex(),
+        colorScheme.ramps.blue(0.4).hex(),
+        0.45,
+        "lch"
+    ).hex()
+
     const color = {
         primary: colorScheme.ramps.neutral(1).hex(),
         comment: colorScheme.ramps.neutral(0.71).hex(),
         punctuation: colorScheme.ramps.neutral(0.86).hex(),
-        predictive: colorScheme.ramps.neutral(0.57).hex(),
+        predictive: predictive,
         emphasis: colorScheme.ramps.blue(0.5).hex(),
         string: colorScheme.ramps.orange(0.5).hex(),
         function: colorScheme.ramps.yellow(0.5).hex(),