small refactor

src/compiler/compile/nodes/Element.ts

@@ -203,7 +203,7 @@ function is_valid_aria_attribute_value(schema: ARIAPropertyDefinition, value: st
 	}
 }
 
-const regex_any_repeated_whitespace = /[\s\n\t]+/g;
+const regex_any_repeated_whitespace = /[\s]+/g;
 
 export default class Element extends Node {
 	type: 'Element';

src/compiler/compile/nodes/shared/AbstractBlock.ts

@@ -17,7 +17,7 @@ export default class AbstractBlock extends Node {
 
 		const child = this.children[0];
 
-		if (!child || (child.type === 'Text' && !/[^ \r\n\f\v\t]/.test(child.data))) {
+		if (!child || (child.type === 'Text' && !/[^\s]/.test(child.data))) {
 			this.component.warn(this, compiler_warnings.empty_block);
 		}
 	}

src/compiler/compile/utils/hash.ts

@@ -1,9 +1,9 @@
 // https://github.com/darkskyapp/string-hash/blob/master/index.js
 
-const const_return_characters = /\r/g;
+const regex_return_characters = /\r/g;
 
 export default function hash(str: string): string {
-	str = str.replace(const_return_characters, '');
+	str = str.replace(regex_return_characters, '');
 	let hash = 5381;
 	let i = str.length;
 

src/compiler/utils/mapped_code.ts

@@ -61,6 +61,8 @@ function merge_tables<T>(this_table: T[], other_table: T[]): [T[], number[], boo
 	return [new_table, idx_map, val_changed, idx_changed];
 }
 
+const regex_line_token = /([^\d\w\s]|\s+)/g;
+
 export class MappedCode {
 	string: string;
 	map: DecodedSourceMap;
@@ -182,8 +184,6 @@ export class MappedCode {
 		return new MappedCode(string, map);
 	}
 
-	private static regex_line_token = /([^\d\w\s]|\s+)/g;
-
 	static from_source({ source, file_basename, get_location }: Source): MappedCode {
 		let offset: SourceLocation = get_location(0);
 
@@ -197,7 +197,7 @@ export class MappedCode {
 		const line_list = source.split('\n');
 		for (let line = 0; line < line_list.length; line++) {
 			map.mappings.push([]);
-			const token_list = line_list[line].split(this.regex_line_token);
+			const token_list = line_list[line].split(regex_line_token);
 			for (let token = 0, column = 0; token < token_list.length; token++) {
 				if (token_list[token] == '') continue;
 				map.mappings[line].push([column, 0, offset.line + line, column]);