From: Jacco van den Berg <39033624+LeeLenaleee@users.noreply.github.com>
Date: Tue, 3 May 2022 12:21:43 +0000 (+0200)
Subject: Resolve canvasGradient is undefined in node (#10328)
X-Git-Tag: v3.8.0~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c268f09437f88a8be1d0d0ce87e974d17354961;p=thirdparty%2FChart.js.git

Resolve canvasGradient is undefined in node (#10328)

* Resolve canvasgradient is not defined in node

* Remove trailing white space

* export isPaternOrGradient helper with typings

* fix lint failure, single qoute

* Allow for string inputs too to function
---

diff --git a/src/helpers/helpers.color.js b/src/helpers/helpers.color.js
index 62e667161..9394751de 100644
--- a/src/helpers/helpers.color.js
+++ b/src/helpers/helpers.color.js
@@ -1,6 +1,13 @@
 import colorLib from '@kurkle/color';
 
-const isPatternOrGradient = (value) => value instanceof CanvasGradient || value instanceof CanvasPattern;
+export function isPatternOrGradient(value) {
+  if (value && typeof value === 'object') {
+    const type = value.toString();
+    return type === '[object CanvasPattern]' || type === '[object CanvasGradient]';
+  }
+
+  return false;
+}
 
 export function color(value) {
   return isPatternOrGradient(value) ? value : colorLib(value);
diff --git a/types/helpers/helpers.color.d.ts b/types/helpers/helpers.color.d.ts
index 3cfc20ea7..460b8d1fe 100644
--- a/types/helpers/helpers.color.d.ts
+++ b/types/helpers/helpers.color.d.ts
@@ -1,3 +1,5 @@
+import { AnyObject } from '../basic';
+
 export function color(value: CanvasGradient): CanvasGradient;
 export function color(value: CanvasPattern): CanvasPattern;
 export function color(
@@ -8,6 +10,8 @@ export function color(
   | [number, number, number, number]
 ): ColorModel;
 
+export function isPatternOrGradient(value: string | AnyObject): boolean;
+
 export interface ColorModel {
   rgbString(): string;
   hexString(): string;