blumeops/mise-tasks/docs-check-frontmatter
Erich Blume ce59e9951b Fix frontmatter field name: date-modified -> modified
Quartz's CreatedModifiedDate plugin recognizes `modified`, `lastmod`,
`updated`, and `last-modified` — but not `date-modified`. The wrong
field name caused Quartz to fall through to filesystem timestamps
(UTC in Dagger), showing incorrect dates on the rendered site.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-11 16:43:12 -08:00

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Executable file

#!/usr/bin/env -S uv run --script
# /// script
# requires-python = ">=3.12"
# dependencies = ["rich>=13.0.0"]
# ///
#MISE description="Check that all docs have required frontmatter fields"
"""Validate that all documentation files have required YAML frontmatter.
Required fields: title, tags, modified
Scans all markdown files in docs/ (excluding changelog.d/) and checks
that each file has YAML frontmatter containing the required fields.
Usage: mise run docs-check-frontmatter
"""
import re
import sys
from pathlib import Path
from rich.console import Console
from rich.table import Table
DOCS_DIR = Path(__file__).parent.parent / "docs"
REQUIRED_FIELDS = {"title", "tags", "modified"}
# Match YAML frontmatter block
FRONTMATTER_PATTERN = re.compile(r"^---\n(.*?)\n---\n", re.DOTALL)
# Match top-level YAML keys (not indented)
KEY_PATTERN = re.compile(r"^([a-zA-Z][a-zA-Z0-9_-]*):", re.MULTILINE)
def extract_frontmatter_keys(file_path: Path) -> set[str] | None:
"""Extract top-level keys from YAML frontmatter. Returns None if no frontmatter."""
content = file_path.read_text()
match = FRONTMATTER_PATTERN.match(content)
if not match:
return None
frontmatter = match.group(1)
return set(KEY_PATTERN.findall(frontmatter))
def main() -> int:
console = Console()
console.print("[bold]Frontmatter Validation[/bold]")
console.print(f"Required fields: {', '.join(sorted(REQUIRED_FIELDS))}")
console.print()
issues: list[tuple[str, set[str]]] = []
for md_file in sorted(DOCS_DIR.rglob("*.md")):
if "changelog.d" in md_file.parts:
continue
rel_path = str(md_file.relative_to(DOCS_DIR))
keys = extract_frontmatter_keys(md_file)
if keys is None:
issues.append((rel_path, REQUIRED_FIELDS))
continue
missing = REQUIRED_FIELDS - keys
if missing:
issues.append((rel_path, missing))
if issues:
console.print("[bold red]Missing Required Frontmatter[/bold red]")
console.print()
table = Table(show_header=True, header_style="bold")
table.add_column("File")
table.add_column("Missing Fields")
for rel_path, missing in issues:
table.add_row(rel_path, ", ".join(sorted(missing)))
console.print(table)
console.print()
return 1
console.print("[bold green]All docs have required frontmatter![/bold green]")
return 0
if __name__ == "__main__":
sys.exit(main())