tidy up

packages/svelte/src/compiler/phases/1-parse/read/expression.js

@@ -1,18 +1,17 @@
 /** @import { Expression } from 'estree' */
 /** @import { Parser } from '../index.js' */
 import { parse_expression_at } from '../acorn.js';
-import { find_matching_bracket } from '../utils/bracket.js';
-import * as e from '../../../errors.js';
+import { match_bracket } from '../utils/bracket.js';
 
 /**
  * @param {Parser} parser
- * @param {string} [opening_token]
+ * @param {string} [open]
  * @returns {Expression}
  */
-export function get_loose_identifier(parser, opening_token) {
+export function get_loose_identifier(parser, open = '{') {
 	// Find the next } and treat it as the end of the expression
 	const start = parser.index;
-	const end = find_matching_bracket(parser.template, parser.index, opening_token ?? '{');
+	const end = match_bracket(parser.template, parser.index, open, open === '{' ? '}' : ')', 1) - 1;
 
 	parser.index = end;
 

packages/svelte/src/compiler/phases/1-parse/utils/bracket.js

@@ -66,25 +66,6 @@ function count_leading_backslashes(string, search_start_index) {
 	return count;
 }
 
-/**
- * Finds the corresponding closing bracket, ignoring brackets found inside comments, strings, or regex expressions.
- * @param {string} template The string to search.
- * @param {number} index The index to begin the search at.
- * @param {string} open The opening bracket (ex: `'{'` will search for `'}'`).
- * @returns {number} The index of the closing bracket
- */
-export function find_matching_bracket(template, index, open) {
-	const close = default_brackets[open];
-	return match_bracket(template, index, open, close, 1) - 1;
-}
-
-/** @type {Record<string, string>} */
-const default_brackets = {
-	'{': '}',
-	'(': ')',
-	'[': ']'
-};
-
 /**
  * @param {string} source
  * @param {number} start