添加filesystem

packages/filesystem/zip/rw.ts

@@ -0,0 +1,32 @@
+/* eslint-disable max-classes-per-file */
+/* eslint-disable import/prefer-default-export */
+import JSZip, { JSZipObject } from "jszip";
+import { FileReader, FileWriter } from "../filesystem";
+
+export class ZipFileReader implements FileReader {
+  zipObject: JSZipObject;
+
+  constructor(zipObject: JSZipObject) {
+    this.zipObject = zipObject;
+  }
+
+  read(type?: "string" | "blob"): Promise<string | Blob> {
+    return this.zipObject.async(type || "string");
+  }
+}
+
+export class ZipFileWriter implements FileWriter {
+  zip: JSZip;
+
+  path: string;
+
+  constructor(zip: JSZip, path: string) {
+    this.zip = zip;
+    this.path = path;
+  }
+
+  write(content: string): Promise<void> {
+    this.zip.file(this.path, content);
+    return Promise.resolve();
+  }
+}