Fix JSDoc parser to handle negative numbers in tag values

src/common/jsdoc.ts

@@ -62,13 +62,15 @@ export namespace JsDoc {
       return yield* ParseContent(rest)
     }
     for (let i = 0; i < content.length; i++) {
-      if (content[i] === '\n' || content[i] === '-') {
+      if (content[i] === '\n' || (content[i] === '-' && i > 0)) {
         const value = content.slice(0, i).trim()
         const rest = content.slice(i)
         yield [key, Decode(value)]
         return yield* ParseContent(rest)
       }
     }
+    // If we reach the end without finding a delimiter, yield the entire content
+    yield [key, Decode(content.trim())]
   }
   function* ParseKey(content: string): IterableIterator<[string, any]> {
     for (let i = 1; i < content.length; i++) {

test/ts2typebox/index.ts

@@ -575,5 +575,47 @@ describe('ts2typebox - Typescript to Typebox', () => {
         `
       expectEqualIgnoreFormatting(generatedTypebox, expectedResult)
     })
+    test('negative numbers in jsdoc tags', () => {
+      const generatedTypebox = TypeScriptToTypeBox.Generate(`
+        /**
+         * @minimum -10
+         * @maximum -5
+         * @default -7
+         */
+        type T = number;
+        `)
+      const expectedResult = `
+        import { Type, Static } from "@sinclair/typebox";
+
+        type T = Static<typeof T>;
+        const T = Type.Number({ minimum: -10, maximum: -5, default: -7 });
+        `
+      expectEqualIgnoreFormatting(generatedTypebox, expectedResult)
+    })
+    test('negative numbers with description and dash comment', () => {
+      const generatedTypebox = TypeScriptToTypeBox.Generate(`
+        type T = {
+          /**
+           * @minimum -10
+           * @maximum -5
+           * @description "A negative range" - this is a comment
+           */
+          value: number;
+        }
+        `)
+      const expectedResult = `
+        import { Type, Static } from "@sinclair/typebox";
+
+        type T = Static<typeof T>;
+        const T = Type.Object({
+          value: Type.Number({
+            minimum: -10,
+            maximum: -5,
+            description: "A negative range",
+          }),
+        });
+        `
+      expectEqualIgnoreFormatting(generatedTypebox, expectedResult)
+    })
   })
 })