typecast

packages/svelte/scripts/process-messages/index.js

@@ -238,10 +238,9 @@ function transform(name, dest) {
 			Block(node, context) {
 				if (!node.value.includes('PARAMETER')) return;
 
-				const value = node.value
+				const value = /** @type {string} */ (node.value)
 					.split('\n')
-					.map(
+					.map((line) => {
-						/** @param {string} line */ (line) => {
 						if (line === ' * MESSAGE') {
 							return messages[messages.length - 1]
 								.split('\n')
@@ -262,9 +261,8 @@ function transform(name, dest) {
 						}
 
 						return line;
-						}
+					})
-					)
+					.filter((x) => x !== '')
-					.filter(/** @param {string} x */ (x) => x !== '')
 					.join('\n');
 
 				if (value !== node.value) {