From 93cac33726ad0e41cb165607a9d0e680bcd987ff Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Sun, 14 Jun 2026 20:26:34 +0200
Subject: Refactor build.py + massive speed-up

---
 build.py        | 77 +++++++++++++++++++++++++++++++++++----------------------
 site/index.html |  4 +--
 2 files changed, 50 insertions(+), 31 deletions(-)

diff --git a/build.py b/build.py
index 5d4a5b3..3838d57 100644
--- a/build.py
+++ b/build.py
@@ -9,45 +9,43 @@ from datetime import datetime
 from pathlib import Path
 
 import jinja2
-import typst
+from typst import Compiler
 
 
 @dataclass
-class Metadata:
+class CompiledPage:
+    url: str
     title: str
     date: datetime
 
 
-def main() -> None:
-    repo_dir = Path(__file__).parent
-    site_dir = repo_dir / 'site'
-    content_dir = site_dir / 'content'
-    public_dir = repo_dir / 'public'
 
-    shutil.rmtree(public_dir, ignore_errors=True)
-    shutil.copytree(repo_dir / 'static', public_dir / 'static')
 
-    os.environ['TYPST_FEATURES'] = 'html'
-
-    pages: dict[Path, Metadata] = {}
+class Builder:
+    def __init__(self, site_dir: Path, static_dir: Path, public_dir: Path) -> None:
+        self.site_dir = site_dir
+        self.content_dir = site_dir / 'content'
+        self.static_dir = static_dir
+        self.public_dir = public_dir
+        self.compiler = Compiler(root=site_dir)
 
-    for path in content_dir.rglob('*.typ'):
-        print(path)
+    def _compile_typst_page(self, path: Path) -> CompiledPage:
+        relative_path = path.relative_to(self.content_dir)
+        print(relative_path)
 
-        output_path = public_dir / path.relative_to(content_dir).with_suffix('.html')
+        output_path = self.public_dir / relative_path.with_suffix('.html')
         output_path.parent.mkdir(parents=True, exist_ok=True)
 
-        metadata = json.loads(typst.query(
-            root=site_dir,
-            input=path,
+        self.compiler.compile(input=path, output=output_path)
+
+        metadata = json.loads(self.compiler.query(
             selector='<post-meta>',
             field='value',
             one=True,
         ))
 
-        output_url = str(output_path.relative_to(public_dir))
-
-        pages[output_url] = Metadata(
+        return CompiledPage(
+            url=str(relative_path.with_suffix('.html')),
             title=metadata['title'],
             date=datetime(
                 year=metadata['date_year'],
@@ -56,16 +54,37 @@ def main() -> None:
             ),
         )
 
-        typst.compile(
-            root=site_dir,
-            input=path,
-            output=output_path
-        )
+    def _compile_typst_pages(self) -> list[CompiledPage]:
+        return [
+            self._compile_typst_page(path)
+            for path in self.content_dir.rglob('*.typ')
+        ]
+
+    def _compile_index_page(self, pages: list[CompiledPage]) -> None:
+        pages.sort(key=lambda page: page.date)
+        template = jinja2.Template((self.site_dir / 'index.html').read_text())
+        (self.public_dir / 'index.html').write_text(template.render(pages=pages))
 
-    print(pages)
 
-    template = jinja2.Template(open(site_dir / 'index.html').read())
-    open(public_dir / 'index.html', 'w').write(template.render(pages=pages))
+    def build(self) -> None:
+        pages = self._compile_typst_pages()
+        self._compile_index_page(pages)
+
+
+def main() -> None:
+    repo_dir = Path(__file__).parent
+    site_dir = repo_dir / 'site'
+    content_dir = site_dir / 'content'
+    public_dir = repo_dir / 'public'
+    static_dir = repo_dir / 'static'
+
+    shutil.rmtree(public_dir, ignore_errors=True)
+    shutil.copytree(repo_dir / 'static', public_dir / 'static')
+
+    os.environ['TYPST_FEATURES'] = 'html'
+
+    builder = Builder(site_dir=site_dir, static_dir=static_dir, public_dir=public_dir)
+    builder.build()
 
 
 if __name__ == '__main__':
diff --git a/site/index.html b/site/index.html
index 317d439..7cd6639 100644
--- a/site/index.html
+++ b/site/index.html
@@ -2,9 +2,9 @@
     <body>
         <h1>Blog</h1>
         <ul>
-            {% for url, metadata in pages.items() %}
+            {% for page in pages %}
                 <li>
-                    <a href="{{ url }}">{{ metadata.title }}</a>
+                    <a href="{{ page.url }}">{{ page.title }}</a>
                 </li>
             {% endfor %}
         </ul>
-- 
cgit