fix: check that component wasn't instantiated (#10466)

dummdidumm · web-flow · commit a41bdb618475 · 2024-02-15T18:04:39.000+01:00
fixes #10454
diff --git a/.changeset/gentle-owls-hug.md b/.changeset/gentle-owls-hug.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: check that component wasn't instantiated in `connectedCallback`
diff --git a/packages/svelte/src/runtime/internal/Component.js b/packages/svelte/src/runtime/internal/Component.js
@@ -227,7 +227,7 @@ if (typeof HTMLElement === 'function') {
 			if (!this.$$c) {
 				// We wait one tick to let possible child slot elements be created/mounted
 				await Promise.resolve();
-				if (!this.$$cn) {
+				if (!this.$$cn || this.$$c) {
 					return;
 				}
 				function create_slot(name) {

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'svelte': patch
 +---
++
 +fix: check that component wasn't instantiated in `connectedCallback`
Original file line number	Diff line number	Diff line change
`@@ -227,7 +227,7 @@ if (typeof HTMLElement === 'function') {`
`227`	`227`	`if (!this.$$c) {`
`228`	`228`	`// We wait one tick to let possible child slot elements be created/mounted`
`229`	`229`	`await Promise.resolve();`
`230`		`- if (!this.$$cn) {`
	`230`	`+ if (!this.$$cn \|\| this.$$c) {`
`231`	`231`	`return;`
`232`	`232`	`}`
`233`	`233`	`function create_slot(name) {`