1 files changed, 93 insertions, 0 deletions
diff --git a/utils/loader.ts b/utils/loader.ts
new file mode 100644
index 0000000..56e29fa
--- /dev/null
+++ b/utils/loader.ts
@@ -0,0 +1,93 @@
+import { parse } from "yaml";
+import { loadCategoriesFromJson, loadItemsFromJson, loadQuestsFromJson } from "~/lib/questsLoader";
+
+export async function openFileSystem() {
+  try {
+    return await (window as any).showDirectoryPicker();
+  } catch (e) {
+    return undefined;
+  }
+}
+
+export async function enumerateQuestDirectory(dirHandle: any) {
+  let configFile: any = null;
+  let categoryFile: any = null;
+  let questsDirectory: any = null;
+  let itemsDirectory: any = null;
+
+  for await (const [name, handle] of dirHandle) {
+    if (name === 'quests' && handle.kind === 'directory') {
+      questsDirectory = handle;
+    } else if (name === 'items' && handle.kind === 'directory') {
+      itemsDirectory = handle;
+    } else if (name === 'config.yml' && handle.kind === 'file') {
+      configFile = handle;
+    } else if (name === 'categories.yml' && handle.kind === 'file') {
+      categoryFile = handle;
+    }
+  }
+
+  if (!configFile) {
+    throw Error('invalid quest directory');
+  }
+
+  const [questFiles, itemFiles] = await Promise.all([questsDirectory ? listAllFilesAndDirs(questsDirectory) : [], itemsDirectory ? listAllFilesAndDirs(itemsDirectory) : []]);
+  const [categories, quests, items] = await Promise.all([(async () => {
+    if (!categoryFile) {
+      return [];
+    }
+
+    const file: any = await categoryFile.getFile();
+    const text: string = await file.text();
+    const parsedYaml: any = parse(text);
+
+    return loadCategoriesFromJson(parsedYaml.categories);
+  })(),
+  (async () => {
+    if (!questFiles) {
+      return [];
+    }
+
+    const allQuests = await Promise.all(questFiles.filter(({ name, handle, kind }) => name.endsWith('.yml')).map(async ({ name, handle, kind }) => {
+      const file: any = await handle.getFile();
+      const text: string = await file.text();
+      return [
+        name.replace('.yml', ''),
+        parse(text)
+      ];
+    }))
+
+    return loadQuestsFromJson(Object.fromEntries(allQuests));
+  })(),
+  (async () => {
+    if (!itemFiles) {
+      return [];
+    }
+
+    const allItems = await Promise.all(itemFiles.filter(({ name, handle, kind }) => name.endsWith('.yml')).map(async ({ name, handle, kind }) => {
+      const file: any = await handle.getFile();
+      const text: string = await file.text();
+      return [
+        name.replace('.yml', ''),
+        parse(text)
+      ];
+    }))
+
+    return loadItemsFromJson(Object.fromEntries(allItems));
+  })()]);
+
+  return { categories, quests, items };
+}
+
+async function listAllFilesAndDirs(dirHandle: any): Promise<any[]> {
+  const files = [];
+  for await (const [name, handle] of dirHandle) {
+    const { kind } = handle;
+    if (handle.kind === 'directory') {
+      files.push(...await listAllFilesAndDirs(handle));
+    } else {
+      files.push({ name, handle, kind });
+    }
+  }
+  return files;
+}
+\ No newline at end of file