Revert "Removes trailing dash from generated slugs in markdown (#3044)"

This reverts commit 8530cce14f9953e0e5d6b12807720e62b9b5cf1f.

3 files changed, 2 insertions, 11 deletions

diff --git a/.changeset/cold-bears-sneeze.md b/.changeset/cold-bears-sneeze.md
deleted file mode 100644
index 483d87cd3..000000000
--- a/.changeset/cold-bears-sneeze.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'@astrojs/markdown-remark': minor
----
-
-fixed generated slugs in markdown that ends with a dash
diff --git a/packages/markdown/remark/src/rehype-collect-headers.ts b/packages/markdown/remark/src/rehype-collect-headers.ts
index 50a9c5da1..f8cedd0d5 100644
--- a/packages/markdown/remark/src/rehype-collect-headers.ts
+++ b/packages/markdown/remark/src/rehype-collect-headers.ts
@@ -53,11 +53,7 @@ export default function createCollectHeaders() {
 							node as any
 						).value = `<${node.tagName} id={${node.properties.id}}>${raw}</${node.tagName}>`;
 					} else {
-						let slug = slugger.slug(text);
-
-						if (slug.endsWith('-')) slug = slug.slice(0, -1);
-
-						node.properties.id = slug;
+						node.properties.id = slugger.slug(text);
 					}
 				}
 
diff --git a/packages/markdown/remark/test/expressions.test.js b/packages/markdown/remark/test/expressions.test.js
index 828f70561..db351f9d8 100644
--- a/packages/markdown/remark/test/expressions.test.js
+++ b/packages/markdown/remark/test/expressions.test.js
@@ -54,7 +54,7 @@ describe('expressions', () => {
 		chai
 			.expect(code)
 			.to.equal(
-				'<h1 id="-foo--is-a-shorthand-for--foo-foo"><code is:raw>{ foo }</code> is a shorthand for <code is:raw>{ foo: foo }</code></h1>'
+				'<h1 id="-foo--is-a-shorthand-for--foo-foo-"><code is:raw>{ foo }</code> is a shorthand for <code is:raw>{ foo: foo }</code></h1>'
 			);
 	});