From 9cc56836ae277dea29053498c7ac1834918a98a4 Mon Sep 17 00:00:00 2001
From: Lea Verou <lea@verou.me>
Date: Wed, 8 Feb 2023 11:35:37 -0500
Subject: [PATCH] Revert "Allow to extend the deltaE methods (#280)"

This reverts commit 504979f5a9a932526c4c629c7aedfbc319a75fe0.
---
 src/deltaE.js               |  2 +-
 src/deltaE/index.js         |  9 ---------
 src/index-fn.js             |  1 -
 src/index.js                |  3 +--
 types/src/deltaE/index.d.ts | 11 ++++-------
 types/src/index-fn.d.ts     |  1 -
 types/src/index.d.ts        |  3 +--
 7 files changed, 7 insertions(+), 23 deletions(-)

diff --git a/src/deltaE.js b/src/deltaE.js
index b8617f528..942cc982c 100644
--- a/src/deltaE.js
+++ b/src/deltaE.js
@@ -1,7 +1,7 @@
 import getColor from "./getColor.js";
 import defaults from "./defaults.js";
 import {isString} from "./util.js";
-import deltaEMethods from "./deltaE/index.js";
+import * as deltaEMethods from "./deltaE/index.js";
 
 export default function deltaE (c1, c2, o = {}) {
 	if (isString(o)) {
diff --git a/src/deltaE/index.js b/src/deltaE/index.js
index 715ad8d47..13fff887d 100644
--- a/src/deltaE/index.js
+++ b/src/deltaE/index.js
@@ -4,12 +4,3 @@ export {default as deltaE2000} from "./deltaE2000.js";
 export {default as deltaEJz} from "./deltaEJz.js";
 export {default as deltaEITP} from "./deltaEITP.js";
 export {default as deltaEOK} from "./deltaEOK.js";
-
-export default {
-	deltaE76,
-	deltaECMC,
-	deltaE2000,
-	deltaEJz,
-	deltaEITP,
-	deltaEOK,
-};
diff --git a/src/index-fn.js b/src/index-fn.js
index c653ea044..5b2a40c00 100644
--- a/src/index-fn.js
+++ b/src/index-fn.js
@@ -24,7 +24,6 @@ export {uv, xy}                             from "./chromaticity.js";
 export *                      from "./contrast/index.js";
 export {default as deltaE}    from "./deltaE.js";
 export *                      from "./deltaE/index.js";
-export {default as deltaEMethods} from "./deltaE/index.js";
 export *                      from "./variations.js";
 export {
   mix, steps, range, isRange
diff --git a/src/index.js b/src/index.js
index 1a94ad498..8c835b5ca 100644
--- a/src/index.js
+++ b/src/index.js
@@ -6,11 +6,10 @@ import "./spaces/index.js";
 
 // Import all DeltaE methods
 import deltaE from "./deltaE.js";
-import deltaEMethods from "./deltaE/index.js";
+import * as deltaEMethods from "./deltaE/index.js";
 
 Color.extend(deltaEMethods);
 Color.extend({deltaE});
-Object.assign(Color, {deltaEMethods});
 
 // Import optional modules
 import * as variations from "./variations.js";
diff --git a/types/src/deltaE/index.d.ts b/types/src/deltaE/index.d.ts
index 9113a8624..a2bdac4db 100644
--- a/types/src/deltaE/index.d.ts
+++ b/types/src/deltaE/index.d.ts
@@ -1,13 +1,10 @@
+export type Methods = keyof typeof import(".") extends `deltaE${infer Method}`
+	? Method
+	: string;
+
 export { default as deltaE76 } from "./deltaE76";
 export { default as deltaECMC } from "./deltaECMC";
 export { default as deltaE2000 } from "./deltaE2000";
 export { default as deltaEJz } from "./deltaEJz";
 export { default as deltaEITP } from "./deltaEITP";
 export { default as deltaEOK } from "./deltaEOK";
-
-declare const deltaEMethods: Omit<typeof import("./index"), "default">;
-export default deltaEMethods;
-
-export type Methods = keyof typeof deltaEMethods extends `deltaE${infer Method}`
-	? Method
-	: string;
diff --git a/types/src/index-fn.d.ts b/types/src/index-fn.d.ts
index f0f788415..4d87137df 100644
--- a/types/src/index-fn.d.ts
+++ b/types/src/index-fn.d.ts
@@ -24,6 +24,5 @@ export { mix, steps, range, isRange } from "./interpolation";
 
 export * from "./contrast/index";
 export * from "./deltaE/index";
-export { default as deltaEMethods } from "./deltaE/index";
 export * from "./variations";
 export * from "./spaces/index-fn";
diff --git a/types/src/index.d.ts b/types/src/index.d.ts
index 665838cbc..25325c0fb 100644
--- a/types/src/index.d.ts
+++ b/types/src/index.d.ts
@@ -10,7 +10,7 @@ import {
 	contrastDeltaPhi,
 } from "./contrast/index";
 import deltaE from "./deltaE";
-import deltaEMethods, {
+import {
 	deltaE76,
 	deltaECMC,
 	deltaE2000,
@@ -64,7 +64,6 @@ declare module "./color" {
 		static deltaEJz: typeof deltaEJz;
 		static deltaEITP: typeof deltaEITP;
 		static deltaEOK: typeof deltaEOK;
-		static deltaEMethods: typeof deltaEMethods;
 
 		// interpolation
 		mix: ToColorPrototype<typeof mix>;