stream#pipeline JavaScript Examples

The following examples show how to use stream#pipeline. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: compress.js From ucompress with ISC License

6 votes

br = (source, mode) => new Promise((res, rej) => {
  const dest = source + '.br';
  stat(source, (err, stats) => {
    /* istanbul ignore next */
    if (err) rej(err);
    else pipeline(
      createReadStream(source),
      createBrotliCompress({
        [BROTLI_PARAM_SIZE_HINT]: stats.size,
        [BROTLI_PARAM_QUALITY]: BROTLI_MAX_QUALITY,
        [BROTLI_PARAM_MODE]: mode == 'text' ?
          BROTLI_MODE_TEXT : (
            mode === 'font' ?
              BROTLI_MODE_FONT :
              /* istanbul ignore next */
              BROTLI_MODE_GENERIC
          )
      }),
      createWriteStream(dest),
      err => {
        /* istanbul ignore next */
        if (err) rej(err);
        else res(dest);
      }
    );
  });
})

Example #2

Source File: compress.js From ucompress with ISC License

6 votes

deflate = source => new Promise((res, rej) => {
  const dest = source + '.deflate';
  pipeline(
    createReadStream(source),
    createDeflate(zlibDefaultOptions),
    createWriteStream(dest),
    err => {
      /* istanbul ignore next */
      if (err) rej(err);
      else res(dest);
    }
  );
})

Example #3

Source File: compress.js From ucompress with ISC License

6 votes

gzip = source => new Promise((res, rej) => {
  const dest = source + '.gzip';
  pipeline(
    createReadStream(source),
    createGzip(zlibDefaultOptions),
    createWriteStream(dest),
    err => {
      /* istanbul ignore next */
      if (err) rej(err);
      else res(dest);
    }
  );
})

Example #4

Source File: index.js From kit with MIT License

5 votes

pipe = promisify(pipeline)

Example #5

Source File: index.js From kit with MIT License

5 votes

pipe = promisify(pipeline)