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import { ensureDir } from "https://deno.land/std@0.122.0/fs/mod.ts";import * as path from "https://deno.land/std@0.122.0/path/mod.ts";import JSZip from "https://dev.jspm.io/jszip@3.5.0";import { stripComponent } from "./index.ts";
export interface Files {  [fileName: string]: ZipObject;}export interface ZipObject {  name: string;  dir: boolean;  date: Date | null;  comment: string | null;  unixPermissions: number | null;  dosPermissions: number | null;  async(type: "text" | "string"): Promise<string>;  async(type: "uint8array"): Promise<Uint8Array>;}
export async function zip(  files: AsyncGenerator<[string, Uint8Array]>,): Promise<Uint8Array> {  const zip = new (JSZip as any)();  for await (const [name, file] of files) await zip.file(name, file);  return await zip.generateAsync({    type: "uint8array",    compression: "DEFLATE",    compressionOptions: {      level: 9,    },  });}
export async function unzip(zip: Uint8Array): Promise<Files> {  const { files } = await (JSZip as any).loadAsync(zip);  return files;}
export function stripComponents(files: Files, number: number): Files {  const result: Files = {};  for (const [fileName, file] of Object.entries(files)) {    const newFileName = stripComponent(fileName, number);    if (!newFileName) continue;    file.name = newFileName;    result[newFileName] = file;  }  return result;}
export async function save(targetDir: string, files: Files): Promise<void> {  await Promise.all(    Object.entries(files).map(async ([fileName, file]) => {      if (file.dir) return;      const filePath = path.resolve(targetDir, fileName);      await ensureDir(path.dirname(filePath));      await Deno.writeFile(filePath, await file.async("uint8array"));    }),  );}
export async function* iterFiles(files: Files) {  for (const [fileName, file] of Object.entries(files)) {    if (file.dir) continue;    yield { fileName, data: await file.async("uint8array") };  }}