Function generate_asset_manifest

ci/wasm_build.py:1699–1724

Generate the v1 asset manifest for ` /data/*.lnk` files. Part of FastLED issue #2284. Scans the sketch's ``data/`` directory for ``*.lnk`` asset-link files, parses each into ``{url, sha256, fallback}`` (sha256/fallback are reserved and not enforced in v1), and writes the resu

(example_name: str, output_dir: Path)

def generate_asset_manifest(example_name: str, output_dir: Path) -> None:
    """Generate the v1 asset manifest for `<sketch>/data/*.lnk` files.

    Part of FastLED issue #2284. Scans the sketch's ``data/`` directory for
    ``*.lnk`` asset-link files, parses each into ``{url, sha256, fallback}``
    (sha256/fallback are reserved and not enforced in v1), and writes the
    resulting manifest to ``<output_dir>/asset_manifest.json``.

    The HTML bootstrap (``src/platforms/wasm/compiler/index.ts``) fetches
    this file and injects it as ``window.fastledAssetManifest``. The C++
    runtime side consumes the same data via ``fl::register_asset`` calls
    emitted into generated C++ (see ``ci/compiler/asset_scanner.py``).
    """
    from ci.compiler.asset_scanner import scan_sketch_assets, write_manifest_json

    sketch_dir = PROJECT_ROOT / "examples" / example_name
    scan = scan_sketch_assets(sketch_dir)
    for warning in scan.warnings:
        print(f"[WASM] {warning}", file=sys.stderr)

    manifest_path = output_dir / "asset_manifest.json"
    write_manifest_json(scan, manifest_path)
    if scan.manifest:
        print(
            f"[WASM] Wrote asset manifest ({len(scan.manifest)} entries) -> {manifest_path}"
        )


def build(