From 93bc93911e27e5c60880e7f9cd00d8912791105e Mon Sep 17 00:00:00 2001
From: Andrey Sitnik <andrey@sitnik.ru>
Date: Wed, 4 Dec 2024 21:09:09 +0000
Subject: [PATCH] Fix #fff convert

---
 lib/colors.ts       |  5 ++++-
 stores/current.ts   |  9 +++++++++
 stores/visible.ts   | 12 ++++++------
 test/colors.test.ts |  9 +++++++++
 4 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/lib/colors.ts b/lib/colors.ts
index 6669348..3164696 100644
--- a/lib/colors.ts
+++ b/lib/colors.ts
@@ -162,7 +162,10 @@ if (LCH) {
 
 export function getSpace(color: Color): Space {
   let proxyColor = getProxyColor(color)
-  if (inRGB(proxyColor)) {
+  // Hot fix until https://github.com/Evercoder/culori/issues/249 is fixed
+  if (color.mode === 'oklch' && color.l === 1 && color.c === 0) {
+    return Space.sRGB
+  } else if (inRGB(proxyColor)) {
     return Space.sRGB
   } else if (inP3(proxyColor)) {
     return Space.P3
diff --git a/stores/current.ts b/stores/current.ts
index b6ec1a4..e77ba38 100644
--- a/stores/current.ts
+++ b/stores/current.ts
@@ -177,6 +177,15 @@ export function setCurrent(code: string, isRgbInput = false): boolean {
     if (parsed.mode === COLOR_FN) {
       current.set(colorToValue(parsed as AnyLch))
     } else {
+      if (
+        parsed.mode === 'rgb' &&
+        parsed.r === 1 &&
+        parsed.g === 1 &&
+        parsed.b === 1
+      ) {
+        current.set({ a: (parsed.alpha ?? 1) * 100, c: 0, h: 0, l: 100 })
+        return true
+      }
       let originSpace = getSpace(parsed)
       let accurate = LCH ? lch(parsed) : oklch(parsed)
       if (originSpace === Space.sRGB && getSpace(accurate) !== Space.sRGB) {
diff --git a/stores/visible.ts b/stores/visible.ts
index 58af9a9..4fe5d3f 100644
--- a/stores/visible.ts
+++ b/stores/visible.ts
@@ -4,10 +4,9 @@ import { computed } from 'nanostores'
 import {
   fastFormat,
   formatRgb,
-  inP3,
-  inRec2020,
-  inRGB,
+  getSpace,
   rgb,
+  Space,
   toRgb
 } from '../lib/colors.ts'
 import { current, valueToColor } from './current.ts'
@@ -24,7 +23,8 @@ export let visible = computed(
   [current, support],
   (value, { oklch, p3 }): VisibleValue => {
     let color: Color = valueToColor(value)
-    if (inRGB(color)) {
+    let space = getSpace(color)
+    if (space === Space.sRGB) {
       let rgbCss = formatRgb(rgb(color))
       if (!oklch) color = rgb(color)
       return {
@@ -36,7 +36,7 @@ export let visible = computed(
     } else {
       let rgbColor = toRgb(color)
       let fallback = formatRgb(rgbColor)
-      if (inP3(color)) {
+      if (space === Space.P3) {
         return {
           color: p3 && oklch ? color : rgbColor,
           fallback,
@@ -48,7 +48,7 @@ export let visible = computed(
           color: rgbColor,
           fallback,
           real: false,
-          space: inRec2020(color) ? 'rec2020' : 'out'
+          space: space === Space.Rec2020 ? 'rec2020' : 'out'
         }
       }
     }
diff --git a/test/colors.test.ts b/test/colors.test.ts
index 219959a..7a0af4b 100644
--- a/test/colors.test.ts
+++ b/test/colors.test.ts
@@ -59,4 +59,13 @@ test('correctly works with colors on the edges of sRGB', () => {
     l: 96.79827203267874
   })
   deepStrictEqual(visible.get().space, 'srgb')
+
+  setCurrent('#ffffff')
+  deepStrictEqual(current.get(), {
+    a: 100,
+    c: 0,
+    h: 0,
+    l: 100
+  })
+  deepStrictEqual(visible.get().space, 'srgb')
 })