fix(css): prevent duplicate system classes (#10355)

farfromrefug · web-flow · commit 74e68145a2b8 · 2023-08-01T20:55:39.000-07:00
diff --git a/packages/core/css/system-classes.ts b/packages/core/css/system-classes.ts
@@ -12,7 +12,10 @@ export namespace CSSUtils {
 	}
 
 	export function pushToSystemCssClasses(value: string): number {
-		cssClasses.push(value);
+		const index = cssClasses.indexOf(value);
+		if (index == -1) {
+			cssClasses.push(value);
+		}
 
 		return cssClasses.length;
 	}

Original file line number	Diff line number	Diff line change
`@@ -12,7 +12,10 @@ export namespace CSSUtils {`
`12`	`12`	`}`
`13`	`13`
`14`	`14`	`export function pushToSystemCssClasses(value: string): number {`
`15`		`- cssClasses.push(value);`
	`15`	`+ const index = cssClasses.indexOf(value);`
	`16`	`+ if (index == -1) {`
	`17`	`+ cssClasses.push(value);`
	`18`	`+ }`
`16`	`19`
`17`	`20`	`return cssClasses.length;`
`18`	`21`	`}`