Clarify lowest compatible TypeScript version

wikimedia-gadgets · Jun 7, 2022 · 67ff47a · diskdance · Jun 7, 2022 · 67ff47a
1 parent dfdc2fe
commit 67ff47a
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diff --git a/CONTRIBUTING.MD b/CONTRIBUTING.MD
@@ -2,6 +2,7 @@
 ## Prerequisites
 * `Node.js`
 * `npm` or `yarn`
+* `typescript` >= 4.3.5
 * Visual Studio Code (Recommended)
 
 ## Quick start

diff --git a/src/index.ts b/src/index.ts
@@ -70,7 +70,7 @@
 	 * @return return `true` if it is; return `false` otherwise
 	 */
 	function isPlainObject( val: unknown ): val is Record<string, unknown> {
-		if ( val === null || typeof val !== 'object' || 'nodeType' in val || val === window ) {
+		if ( typeof val !== 'object' || val === null || 'nodeType' in val || val === window ) {
 			return false;
 		}