DRY out

src/compile/nodes/Element.ts

@@ -636,23 +636,6 @@ export default class Element extends Node {
 		});
 	}
 
-	get_static_attribute_value(name: string) {
-		const attribute = this.attributes.find(
-			(attr: Attribute) => attr.type === 'Attribute' && attr.name.toLowerCase() === name
-		);
-
-		if (!attribute) return null;
-
-		if (attribute.is_true) return true;
-		if (attribute.chunks.length === 0) return '';
-
-		if (attribute.chunks.length === 1 && attribute.chunks[0].type === 'Text') {
-			return attribute.chunks[0].data;
-		}
-
-		return null;
-	}
-
 	is_media_node() {
 		return this.name === 'audio' || this.name === 'video';
 	}

src/compile/nodes/Slot.ts

@@ -53,21 +53,4 @@ export default class Slot extends Element {
 		// 	});
 		// }
 	}
-
-	get_static_attribute_value(name: string) {
-		const attribute = this.attributes.find(
-			attr => attr.name.toLowerCase() === name
-		);
-
-		if (!attribute) return null;
-
-		if (attribute.is_true) return true;
-		if (attribute.chunks.length === 0) return '';
-
-		if (attribute.chunks.length === 1 && attribute.chunks[0].type === 'Text') {
-			return attribute.chunks[0].data;
-		}
-
-		return null;
-	}
 }

src/compile/nodes/shared/Node.ts

@@ -37,17 +37,34 @@ export default class Node {
 		}
 	}
 
+	find_nearest(selector: RegExp) {
+		if (selector.test(this.type)) return this;
+		if (this.parent) return this.parent.find_nearest(selector);
+	}
+
+	get_static_attribute_value(name: string) {
+		const attribute = this.attributes.find(
+			(attr: Attribute) => attr.type === 'Attribute' && attr.name.toLowerCase() === name
+		);
+
+		if (!attribute) return null;
+
+		if (attribute.is_true) return true;
+		if (attribute.chunks.length === 0) return '';
+
+		if (attribute.chunks.length === 1 && attribute.chunks[0].type === 'Text') {
+			return attribute.chunks[0].data;
+		}
+
+		return null;
+	}
+
 	has_ancestor(type: string) {
 		return this.parent ?
 			this.parent.type === type || this.parent.has_ancestor(type) :
 			false;
 	}
 
-	find_nearest(selector: RegExp) {
-		if (selector.test(this.type)) return this;
-		if (this.parent) return this.parent.find_nearest(selector);
-	}
-
 	warn_if_empty_block() {
 		if (!/Block$/.test(this.type) || !this.children) return;
 		if (this.children.length > 1) return;

src/compile/render-dom/wrappers/Element/Attribute.ts

@@ -117,7 +117,7 @@ export default class AttributeWrapper {
 				updater = `@set_input_type(${element.var}, ${should_cache ? last : value});`;
 			} else if (is_select_value_attribute) {
 				// annoying special case
-				const is_multiple_select = element.get_static_attribute_value('multiple');
+				const is_multiple_select = element.node.get_static_attribute_value('multiple');
 				const i = block.get_unique_name('i');
 				const option = block.get_unique_name('option');
 

src/compile/render-dom/wrappers/Element/Binding.ts

@@ -153,7 +153,7 @@ export default class BindingWrapper {
 				break;
 
 			case 'value':
-				if (parent.get_static_attribute_value('type') === 'file') {
+				if (parent.node.get_static_attribute_value('type') === 'file') {
 					update_dom = null;
 				}
 		}

src/compile/render-dom/wrappers/Element/index.ts

@@ -213,8 +213,8 @@ export default class ElementWrapper extends Wrapper {
 		const { renderer } = this;
 
 		if (this.node.name === 'slot') {
-			const slotName = this.get_static_attribute_value('name') || 'default';
-			renderer.slots.add(slotName);
+			const slot_name = this.node.get_static_attribute_value('name') || 'default';
+			renderer.slots.add(slot_name);
 		}
 
 		if (this.node.name === 'noscript') return;
@@ -804,23 +804,6 @@ export default class ElementWrapper extends Wrapper {
 		});
 	}
 
-	get_static_attribute_value(name: string) {
-		const attribute = this.node.attributes.find(
-			(attr: Attribute) => attr.type === 'Attribute' && attr.name.toLowerCase() === name
-		);
-
-		if (!attribute) return null;
-
-		if (attribute.is_true) return true;
-		if (attribute.chunks.length === 0) return '';
-
-		if (attribute.chunks.length === 1 && attribute.chunks[0].type === 'Text') {
-			return attribute.chunks[0].data;
-		}
-
-		return null;
-	}
-
 	add_css_class(class_name = this.component.stylesheet.id) {
 		const class_attribute = this.attributes.find(a => a.name === 'class');
 		if (class_attribute && !class_attribute.is_true) {