[fix] text nodes are not updated when repeated word is present

src/runtime/internal/dev.ts

@@ -85,8 +85,13 @@ export function dataset_dev(node: HTMLElement, property: string, value?: any) {
 
 export function set_data_dev(text, data) {
 	data = '' + data;
-	if (text.wholeText === data) return;
-
+	// In particular, when the property is contentEditable, ' 'TEXT_NODE is inserted into the text
+	if (text.textContent === '' && text.wholeText !== '') {
+		if (text.wholeText === data) return;
+	} else {
+		if (text.textContent === data) return;
+	}
+
 	dispatch_dev('SvelteDOMSetData', { node: text, data });
 	text.data = data;
 }

src/runtime/internal/dom.ts

@@ -536,7 +536,13 @@ export function claim_html_tag(nodes, is_svg: boolean) {
 
 export function set_data(text, data) {
 	data = '' + data;
-	if (text.wholeText !== data) text.data = data;
+	// In particular, when the property is contentEditable, ' 'TEXT_NODE is inserted into the text
+    if (text.textContent === '' && text.wholeText !== '') {
+		if (text.wholeText === data) return;
+	} else {
+		if (text.textContent === data) return;
+	}
+	 text.data = data;
 }
 
 export function set_input_value(input, value) {

test/runtime/samples/reactive-values-text-node/_config.js

@@ -0,0 +1,9 @@
+export default {
+	html:'<div>same text</div>',
+	async test({ assert, component, target }) {
+		await new Promise(f => setTimeout(f, 10));
+		assert.htmlEqual(target.innerHTML, `
+			<div>same text text</div>
+		`);
+	}
+};

test/runtime/samples/reactive-values-text-node/main.svelte

@@ -0,0 +1,8 @@
+<script>
+	let text = 'same';
+	setTimeout(()=>{
+		text = 'same text'
+	},5)
+</script>
+
+<div>{text} text</div>