Remove ts_morph dep (#19)

Signed-off-by: Marcos Candeia <marrcooos@gmail.com>

Author: mcandeia

src/build/kv.ts

@@ -1,4 +1,4 @@
-import { toSnapshotJSON } from "../dev/build.ts";
+import { toSnapshotJSON } from "../dev/snapshot.ts";
 import { getFile, housekeep, isSupported, saveFile } from "./kvfs.ts";
 import { BuildSnapshot, BuildSnapshotJson } from "./mod.ts";
 

src/dev/snapshot.ts

@@ -0,0 +1,21 @@
+/**
+ * This file was intentionally duplicated to remove the dev/deps.ts dependency to avoid including `ts_morph` dep.
+ * This is necessary because we do build the islands and save them on KV instead of in memory and those dependencies are used for ahead-of-time build.
+ */
+import { BuildSnapshot, BuildSnapshotJson } from "../build/mod.ts";
+import { BUILD_ID } from "../server/build_id.ts";
+
+export const toSnapshotJSON = async (snapshot: BuildSnapshot) => {
+  // Write dependency snapshot file to disk
+  const jsonSnapshot: BuildSnapshotJson = {
+    build_id: BUILD_ID,
+    files: {},
+  };
+
+  for (const filePath of await snapshot.paths) {
+    const dependencies = await snapshot.dependencies(filePath);
+    jsonSnapshot.files[filePath] = dependencies;
+  }
+
+  return jsonSnapshot;
+};