fix: simplify trim, add ESCAPE rule tests, fix CHANGELOG links, remove debug placeholder

Author: mormubis

CHANGELOG.md

@@ -348,7 +348,8 @@ and this project adheres to
 - New grammar supporting the full PGN specification including RAV (recursive
   annotated variations) and NAG (numeric annotation glyphs)
 
-[unreleased]: https://github.com/mormubis/pgn/compare/v3.10.0...HEAD
+[unreleased]: https://github.com/mormubis/pgn/compare/v3.10.1...HEAD
+[3.10.1]: https://github.com/mormubis/pgn/compare/v3.10.0...v3.10.1
 [3.10.0]: https://github.com/mormubis/pgn/compare/v3.9.1...v3.10.0
 [3.9.1]: https://github.com/mormubis/pgn/compare/v3.9.0...v3.9.1
 [3.9.0]: https://github.com/mormubis/pgn/compare/v3.8.3...v3.9.0

src/__tests__/debug-variants.spec.ts

@@ -96,6 +96,21 @@ describe('PGN Parser', () => {
     expect(result[0]?.meta['Event']).toBe(String.raw`A\"B`);
   });
 
+  it('ignores % escape lines between moves', () => {
+    const pgn = '1. e4\n% this is an escape line\ne5 1-0';
+    const result = parse(pgn);
+    expect(result).toHaveLength(1);
+    expect(result[0]?.moves[0]?.[2]).toMatchObject({ piece: 'P', to: 'e5' });
+  });
+
+  it('ignores % escape lines between games', () => {
+    const pgn = '1. e4 e5 1-0\n% separator line\n1. d4 d5 0-1';
+    const result = parse(pgn);
+    expect(result).toHaveLength(2);
+    expect(result[0]?.result).toBe(1);
+    expect(result[1]?.result).toBe(0);
+  });
+
   it('parses a game with no tags', () => {
     const pgn = '1. e4 e5 2. Nf3 Nc6 1-0';
     const result = parse(pgn);

src/__tests__/index.spec.ts

@@ -222,7 +222,7 @@ function toParseError(thrown: unknown): ParseError {
  * @param input
  */
 export default function parse(input: string, options?: ParseOptions): PGN[] {
-  const cleaned = input.replace(/^\uFEFF/, '').replaceAll(/^\s+|\s+$/g, '');
+  const cleaned = input.replace(/^\uFEFF/, '').trim();
 
   try {
     const games = parser.parse(cleaned, {