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-rw-r--r--lang/gjs/src/gtk3/astalify.ts4
1 files changed, 4 insertions, 0 deletions
diff --git a/lang/gjs/src/gtk3/astalify.ts b/lang/gjs/src/gtk3/astalify.ts
index 2cd6984..736ab17 100644
--- a/lang/gjs/src/gtk3/astalify.ts
+++ b/lang/gjs/src/gtk3/astalify.ts
@@ -115,6 +115,10 @@ export default function astalify<
for (const ch of children)
this.add(ch)
}
+
+ else {
+ throw Error(`can not add children to ${this.constructor.name}, it is not a container widget`)
+ }
}
toggleClassName(cn: string, cond = true) {