TypeScript jszip.generateAsync函數代碼示例

export async function downloadProject(project: Project, uri?: string) {
  const zipFile: JSZip = new JSZip();
  let zipName: string = "wasm-project.zip";
  if (uri !== undefined) {
    zipName = `wasm-project-${uri}.zip`;
  }
  const queue: Array<{filePrefix: string; file: File}> = [];
  project.mapEachFile((f: File) => queue.push({filePrefix: "", file: f}));
  while (queue.length > 0) {
    const {filePrefix, file} = queue.shift();
    const fileName = filePrefix + file.name;
    if (file instanceof Directory) {
      file.mapEachFile(f => queue.push({filePrefix: fileName + "/", file: f}));
      zipFile.folder(fileName);
      continue;
    }
    zipFile.file(fileName, file.data);
  }
  await zipFile.generateAsync({type: "blob", mimeType: "application/zip"}).then((blob: Blob) => {
    // Creating <a> to programmatically click for downloading zip via blob's URL
    const link = document.createElement("a");
    link.download = zipName;
    link.href = URL.createObjectURL(blob);
    // A fix for making link clickable in Firefox
    // Explicity adding link to DOM for Firefox
    document.body.appendChild(link);
    link.click();
    document.body.removeChild(link);
  });
}

 it("works", async () => {
   const nar = new JSZip();
   nar.file("descript.txt", descript);
   const narData = await nar.generateAsync({type: "arraybuffer"});
   const dir = await NarLoader.loadFromBuffer(narData);
   assert(dir.new("descript.txt").isFileSync());
   const descriptInfo = dir.descriptInfoByTypeSync("ghost");
   assert(descriptInfo.shiori === "shiolink.dll");
 });

 }).then(results => {
   zip.generateAsync({ type: 'nodebuffer' }).then(blob => {
     // writeFileSync('final.zip', blob);
     let t = Template();
     let s3BucketVal = Ref(`${name}S3BucketParam`);
     let s3KeyVal = Ref(`${name}S3KeyParam`);
     if (bucket) {
       s3BucketVal = bucket;
       t = t.add(Parameter(`${name}S3BucketParam`, { Type: 'String' }));
     }
     if (key) {
       s3KeyVal = key;
       t = t.add(Parameter(`${name}S3KeyParam`, { Type: 'String' }));
     }
     if (parameters && parameters.length > 0) {
       parameters.map(p => {
         t = t.add(Parameter(`${name}${p}`, { Type: 'String' }));
       });
     }
     const props: any = {
       Code: {
         S3Bucket: s3BucketVal,
         S3Key: s3KeyVal,
       },
       FunctionName: options.FunctionName,
       Handler: options.Handler,
       MemorySize: options.MemorySize,
       Role:
         parameters && parameters.includes('Role')
           ? Ref(`${name}Role`)
           : options.Role,
       Runtime: options.Runtime,
       Timeout: options.Timeout,
       // Tags: options.Tags ? options.Tags.length > 0 : null
     };
     if (Object.keys(options.Environment).length > 0) {
       props.Environment = options.Environment;
     }
     if (options.Tags.length > 0) {
       props.Tags = options.Tags;
     }
     const fn = Lambda.Function(name, props);
     res({
       FunctionResource: fn,
       Zip: blob,
     });
   });
 });

 (async () => {
   await asyncForEach(EXPORTED_FPS, async (fps) => {
     const numSteps = Math.ceil(anim.duration / 1000 * fps);
     const svgSprite = await SpriteSerializer.createSvgSprite(vl, anim, numSteps);
     const cssSprite = SpriteSerializer.createCss(vl.width, vl.height, anim.duration, numSteps);
     const fileName = `sprite_${fps}fps`;
     const htmlSprite = SpriteSerializer.createHtml(`${fileName}.svg`, `${fileName}.css`);
     const spriteFolder = zip.folder(`${fps}fps`);
     spriteFolder.file(`${fileName}.html`, htmlSprite);
     spriteFolder.file(`${fileName}.css`, cssSprite);
     spriteFolder.file(`${fileName}.svg`, svgSprite);
   });
   zip.generateAsync({ type: 'blob' }).then(content => {
     downloadFile(content, `spritesheet_${vl.name}.zip`);
   });
 })();

function readRegExpFiles(regExp: string): void {
    let files = readFiles(filePath);
    //讀取文件
    if (files) {
        for (let i: number = 0, iLen: number = files.length; i < iLen; i++) {
            let file: string = files[i];
            if (file.match(regExp)) {
                console.log(`讀取文件：${file}`);
                zip.file(file.substring(file.lastIndexOf('\\') + 1), fs.readFileSync(file));
            }
        }
        zip.generateAsync({ type: "nodebuffer" })
            .then(function (content) {
                // see FileSaver.js
                writeFile(`${filePath}\\output.zip`, content);
            });
    }
}

export function create(callback: (blob: Blob) => any) {
  let zip = new JSZip();

  let mainfsfolder = zip.folder("mainfs");
  let mainfsDirCount = mainfs.getDirectoryCount();
  for (let d = 0; d < mainfsDirCount; d++) {
    let dirFolder = mainfsfolder.folder(d.toString());
    let dirFileCount = mainfs.getFileCount(d);
    for (let f = 0; f < dirFileCount; f++) {
      let file = mainfs.get(d, f);
      let name = f.toString();
      if (FORM.isForm(file))
        name += ".form";
      else if (MTNX.isMtnx(file))
        name += ".mtnx";
      dirFolder.file(name, file);
    }
  }

  zip.generateAsync({type: "blob"}).then(callback);
}

 exportSvg() {
   // Export standalone SVG frames.
   const vl = this.getVectorLayerWithoutHiddenLayers();
   const anim = this.getAnimationWithoutHiddenBlocks();
   if (!anim.blocks.length) {
     // Just export an SVG if there are no animation blocks defined.
     const svg = SvgSerializer.toSvgString(vl);
     downloadFile(svg, `${vl.name}.svg`);
     return;
   }
   const zip = new JSZip();
   EXPORTED_FPS.forEach(fps => {
     const numSteps = Math.ceil(anim.duration / 1000 * fps);
     const svgs = SpriteSerializer.createSvgFrames(vl, anim, numSteps);
     const length = (numSteps - 1).toString().length;
     const fpsFolder = zip.folder(`${fps}fps`);
     svgs.forEach((s, i) => {
       fpsFolder.file(`frame${_.padStart(i.toString(), length, '0')}.svg`, s);
     });
   });
   zip.generateAsync({ type: 'blob' }).then(content => {
     downloadFile(content, `frames_${vl.name}.zip`);
   });
 }

export function images() {
  let zip = new JSZip();

  let mainfsfolder = zip.folder("mainfs");
  let mainfsDirCount = mainfs.getDirectoryCount();
  for (let d = 0; d < mainfsDirCount; d++) {
    let dirFolder = mainfsfolder.folder(d.toString());
    let dirFileCount = mainfs.getFileCount(d);
    for (let f = 0; f < dirFileCount; f++) {
      try {
        let fileBuffer = mainfs.get(d, f);
        if (FORM.isForm(fileBuffer)) {
          let formUnpacked = FORM.unpack(fileBuffer)!;
          if (formUnpacked.BMP1.length) {
            formUnpacked.BMP1.forEach((bmpEntry: any, idx: number) => {
              let dataUri = arrayBufferToDataURL(bmpEntry.parsed.src, bmpEntry.parsed.width, bmpEntry.parsed.height);
              dirFolder.file(`${f}.${idx}.png`, dataUri.substr(dataUri.indexOf(',') + 1), { base64: true });
            });
          }
        }
        else {
          // Maybe an ImgPack?
          let imgs = _readImgsFromMainFS(d, f)!;
          imgs.forEach((imgInfo, idx) => {
            let dataUri = arrayBufferToDataURL(imgInfo.src!, imgInfo.width, imgInfo.height);
            dirFolder.file(`${f}.${idx}.png`, dataUri.substr(dataUri.indexOf(',') + 1), { base64: true });
          });
          if (imgs.length > 1) {
            let tilesBuf = fromTiles(_readPackedFromMainFS(d, f)!, imgs.length, 1, imgs[0].width * 4, imgs[0].height);
            let tilesUrl = arrayBufferToDataURL(tilesBuf, imgs[0].width * imgs.length, imgs[0].height);
            dirFolder.file(`${f}.all.png`, tilesUrl.substr(tilesUrl.indexOf(',') + 1), { base64: true });
          }
        }
      }
      catch (e) {}
    }
  }

  zip.generateAsync({type: "blob"}).then((blob: Blob) => {
    saveAs(blob, `mp${romhandler.getGameVersion()}-images.zip`);
  });

  function _readPackedFromMainFS(dir: number, file: number) {
    let imgPackBuffer = mainfs.get(dir, file);
    let imgArr = fromPack(imgPackBuffer);
    if (!imgArr || !imgArr.length)
      return;

    let dataViews = imgArr.map(imgInfo => {
      return new DataView(imgInfo.src!);
    });

    return dataViews;
  }

  function _readImgsFromMainFS(dir: number, file: number) {
    let imgPackBuffer = mainfs.get(dir, file);
    let imgArr = fromPack(imgPackBuffer);
    if (!imgArr || !imgArr.length)
      return;

    return imgArr;
  }
}