Task/344 innertext doesnt add n newlines like browser does

packages/happy-dom/.gitignore

@@ -1,3 +1,4 @@
 node_modules
 tmp
-lib
+lib
+.DS_Store

packages/happy-dom/src/css/CSSParser.ts

@@ -4,7 +4,7 @@ import CSSStyleRule from './rules/CSSStyleRule';
 import CSSKeyframeRule from './rules/CSSKeyframeRule';
 import CSSKeyframesRule from './rules/CSSKeyframesRule';
 import CSSMediaRule from './rules/CSSMediaRule';
-import CSSStyleDeclaration from './CSSStyleDeclaration';
+import CSSContainerRule from './rules/CSSContainerRule';
 
 const COMMENT_REGEXP = /\/\*[^*]*\*\//gm;
 
@@ -47,6 +47,14 @@ export default class CSSParser {
 						newRule.media.appendMedium(medium.trim());
 					}
 
+					newRule.parentStyleSheet = parentStyleSheet;
+					cssRules.push(newRule);
+					parentRule = newRule;
+				} else if (selectorText.startsWith('@container')) {
+					const conditionalText = selectorText.replace(/@container */, '');
+					const newRule = new CSSContainerRule();
+
+					(<string>newRule.conditionalText) = conditionalText;
 					newRule.parentStyleSheet = parentStyleSheet;
 					cssRules.push(newRule);
 					parentRule = newRule;
@@ -58,7 +66,10 @@ export default class CSSParser {
 
 					(<CSSKeyframesRule>parentRule).cssRules.push(<CSSKeyframeRule>newRule);
 					parentRule = newRule;
-				} else if (parentRule && parentRule.type === CSSRule.MEDIA_RULE) {
+				} else if (
+					parentRule &&
+					(parentRule.type === CSSRule.MEDIA_RULE || parentRule.type === CSSRule.CONTAINER_RULE)
+				) {
 					const newRule = new CSSStyleRule();
 					(<string>newRule.selectorText) = selectorText;
 					newRule.parentStyleSheet = parentStyleSheet;
@@ -86,10 +97,7 @@ export default class CSSParser {
 						case CSSRule.FONT_FACE_RULE:
 						case CSSRule.KEYFRAME_RULE:
 						case CSSRule.STYLE_RULE:
-							const style = new CSSStyleDeclaration();
-							style.cssText = cssText;
-							(<CSSRule>style.parentRule) = parentRule;
-							(<CSSStyleDeclaration>(<CSSStyleRule>parentRule).style) = style;
+							(<CSSStyleRule>parentRule)._cssText = cssText;
 							break;
 					}
 				}

packages/happy-dom/src/css/CSSRule.ts

@@ -1,22 +1,24 @@
 import CSSStyleSheet from './CSSStyleSheet';
+import CSSRuleTypeEnum from './CSSRuleTypeEnum';
 
 /**
  * CSSRule interface.
  */
 export default class CSSRule {
-	public static STYLE_RULE = 1;
-	public static IMPORT_RULE = 3;
-	public static MEDIA_RULE = 4;
-	public static FONT_FACE_RULE = 5;
-	public static PAGE_RULE = 6;
-	public static KEYFRAMES_RULE = 7;
-	public static KEYFRAME_RULE = 8;
-	public static NAMESPACE_RULE = 10;
-	public static COUNTER_STYLE_RULE = 11;
-	public static SUPPORTS_RULE = 12;
-	public static DOCUMENT_RULE = 13;
-	public static FONT_FEATURE_VALUES_RULE = 14;
-	public static REGION_STYLE_RULE = 16;
+	public static CONTAINER_RULE = CSSRuleTypeEnum.containerRule;
+	public static STYLE_RULE = CSSRuleTypeEnum.styleRule;
+	public static IMPORT_RULE = CSSRuleTypeEnum.importRule;
+	public static MEDIA_RULE = CSSRuleTypeEnum.mediaRule;
+	public static FONT_FACE_RULE = CSSRuleTypeEnum.fontFaceRule;
+	public static PAGE_RULE = CSSRuleTypeEnum.pageRule;
+	public static KEYFRAMES_RULE = CSSRuleTypeEnum.keyframesRule;
+	public static KEYFRAME_RULE = CSSRuleTypeEnum.keyframeRule;
+	public static NAMESPACE_RULE = CSSRuleTypeEnum.namespaceRule;
+	public static COUNTER_STYLE_RULE = CSSRuleTypeEnum.counterStyleRule;
+	public static SUPPORTS_RULE = CSSRuleTypeEnum.supportsRule;
+	public static DOCUMENT_RULE = CSSRuleTypeEnum.documentRule;
+	public static FONT_FEATURE_VALUES_RULE = CSSRuleTypeEnum.fontFeatureValuesRule;
+	public static REGION_STYLE_RULE = CSSRuleTypeEnum.regionStyleRule;
 
 	public parentRule: CSSRule = null;
 	public parentStyleSheet: CSSStyleSheet = null;

packages/happy-dom/src/css/CSSRuleTypeEnum.ts

@@ -0,0 +1,18 @@
+enum CSSRuleTypeEnum {
+	containerRule = 0,
+	styleRule = 1,
+	importRule = 3,
+	mediaRule = 4,
+	fontFaceRule = 5,
+	pageRule = 6,
+	keyframesRule = 7,
+	keyframeRule = 8,
+	namespaceRule = 10,
+	counterStyleRule = 11,
+	supportsRule = 12,
+	documentRule = 13,
+	fontFeatureValuesRule = 14,
+	regionStyleRule = 16
+}
+
+export default CSSRuleTypeEnum;