feat: old channel

channel-embed/embed_boot.py

@@ -0,0 +1,43 @@
+"""Install the shared script-embed boot as published index.js."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+BOOT_MARKER = "/* coruna-embed-boot */"
+BOOT_TEMPLATE = Path(__file__).with_name("index.boot.js")
+PAYLOAD_NAME = "payload.js"
+INDEX_NAME = "index.js"
+
+
+def apply_embed_boot(
+    dest_dir: Path,
+    *,
+    channel_code: str,
+    ds_domain: str = "",
+) -> Path:
+    dest_dir = Path(dest_dir)
+    if not dest_dir.is_dir():
+        raise SystemExit(f"embed boot: missing directory {dest_dir}")
+    if not BOOT_TEMPLATE.is_file():
+        raise SystemExit(f"embed boot: missing template {BOOT_TEMPLATE}")
+
+    index_path = dest_dir / INDEX_NAME
+    payload_path = dest_dir / PAYLOAD_NAME
+    if index_path.is_file():
+        current = index_path.read_text(encoding="utf-8")
+        if BOOT_MARKER not in current and not payload_path.is_file():
+            index_path.replace(payload_path)
+        elif BOOT_MARKER in current and not payload_path.is_file():
+            raise SystemExit(f"embed boot: {index_path} is boot but {payload_path} is missing")
+    if not payload_path.is_file():
+        raise SystemExit(f"embed boot: missing payload {payload_path}")
+
+    boot = BOOT_TEMPLATE.read_text(encoding="utf-8")
+    boot = boot.replace("__CHANNEL_CODE__", channel_code)
+    boot = boot.replace("__DS_DOMAIN__", (ds_domain or "").rstrip("/"))
+    boot = boot.replace("__STAT_ORIGIN__", "")
+    if BOOT_MARKER not in boot:
+        boot = BOOT_MARKER + "\n" + boot
+    index_path.write_text(boot, encoding="utf-8")
+    return index_path