#450@trivial: Continue on Range implementation.

capricorn86 · Jun 22, 2022 · 781bf52 · 781bf52
1 parent fc7fef0
commit 781bf52
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Showing 7 changed files with 330 additions and 192 deletions.
diff --git a/packages/happy-dom/src/nodes/element/Element.ts b/packages/happy-dom/src/nodes/element/Element.ts
@@ -2,7 +2,6 @@ import Node from '../node/Node';
 import ShadowRoot from '../shadow-root/ShadowRoot';
 import Attr from '../../attribute/Attr';
 import DOMRect from './DOMRect';
-import Range from '../../range/Range';
 import DOMTokenList from '../../dom-token-list/DOMTokenList';
 import IDOMTokenList from '../../dom-token-list/IDOMTokenList';
 import QuerySelector from '../../query-selector/QuerySelector';

diff --git a/packages/happy-dom/src/nodes/text/IText.ts b/packages/happy-dom/src/nodes/text/IText.ts
@@ -1,6 +1,16 @@
 import ICharacterData from '../character-data/ICharacterData';
 
 export default interface IText extends ICharacterData {
+	/**
+	 * Breaks the Text node into two nodes at the specified offset, keeping both nodes in the tree as siblings.
+	 *
+	 * @see https://dom.spec.whatwg.org/#dom-text-splittext
+	 * @see https://dom.spec.whatwg.org/#dom-text-splittext
+	 * @param offset Offset.
+	 * @returns New text node.
+	 */
+	splitText(offset: number): IText;
+
 	/**
 	 * Clones a node.
 	 *

diff --git a/packages/happy-dom/src/nodes/text/Text.ts b/packages/happy-dom/src/nodes/text/Text.ts
@@ -1,6 +1,8 @@
 import Node from '../node/Node';
 import CharacterData from '../character-data/CharacterData';
 import IText from './IText';
+import DOMException from '../../exception/DOMException';
+import DOMExceptionNameEnum from '../../exception/DOMExceptionNameEnum';
 
 /**
  * Text node.
@@ -17,6 +19,37 @@ export default class Text extends CharacterData implements IText {
 		return '#text';
 	}
 
+	/**
+	 * Breaks the Text node into two nodes at the specified offset, keeping both nodes in the tree as siblings.
+	 *
+	 * @see https://dom.spec.whatwg.org/#dom-text-splittext
+	 * @see https://dom.spec.whatwg.org/#dom-text-splittext
+	 * @param offset Offset.
+	 * @returns New text node.
+	 */
+	public splitText(offset: number): IText {
+		const length = this._data.length;
+
+		if (offset > length) {
+			new DOMException(
+				'The index is not in the allowed range.',
+				DOMExceptionNameEnum.indexSizeError
+			);
+		}
+
+		const count = length - offset;
+		const newData = this.substringData(offset, count);
+		const newNode = <IText>this.ownerDocument.createTextNode(newData);
+
+		if (this.parentNode !== null) {
+			this.parentNode.insertBefore(newNode, this.nextSibling);
+		}
+
+		this.replaceData(offset, count, '');
+
+		return newNode;
+	}
+
 	/**
 	 * Converts to string.
 	 *