get messages into JSDoc annotations

Author: Rich-Harris

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

@@ -111,12 +111,20 @@ function transform(name, dest) {
 				const value = node.value
 					.split('\n')
 					.map((line) => {
+						if (line === ' * MESSAGE') {
+							return message
+								.split('\n')
+								.map((line) => ` * ${line}`)
+								.join('\n');
+						}
+
 						if (line.includes('PARAMETER')) {
 							return vars.map((name) => ` * @param {string} ${name}`).join('\n');
 						}
 
 						return line;
 					})
+					.filter((x) => x !== '')
 					.join('\n');
 
 				if (value !== node.value) {

packages/svelte/scripts/process-messages/templates/compile-errors.js

@@ -47,7 +47,6 @@ export class CompileError extends Error {
 }
 
 /**
- *
  * @param {null | number | NodeLike} node
  * @param {string} code
  * @param {string} message
@@ -65,6 +64,7 @@ function e(node, code, message) {
 }
 
 /**
+ * MESSAGE
  * @param {null | number | NodeLike} node
  * @param {string} PARAMETER
  * @returns {never}

packages/svelte/scripts/process-messages/templates/compile-warnings.js

@@ -25,7 +25,6 @@ export function reset_warnings(options) {
 }
 
 /**
- *
  * @param {null | NodeLike} node
  * @param {string} code
  * @param {string} message
@@ -44,6 +43,7 @@ function w(node, code, message) {
 }
 
 /**
+ * MESSAGE
  * @param {null | NodeLike} node
  * @param {string} PARAMETER
  */