@electron/get

Download Electron release artifacts

Usage

Simple: Downloading an Electron Binary ZIP

import { download } from '@electron/get';

// NB: Use this syntax within an async function, Node does not have support for
//     top-level await as of Node 12.
const zipFilePath = await download('4.0.4');

Advanced: Downloading a macOS Electron Symbol File

import { downloadArtifact } from '@electron/get';

// NB: Use this syntax within an async function, Node does not have support for
//     top-level await as of Node 12.
const zipFilePath = await downloadArtifact({
  version: '4.0.4',
  platform: 'darwin',
  artifactName: 'electron',
  artifactSuffix: 'symbols',
  arch: 'x64',
});

Specifying a mirror

Anatomy of a download URL, in terms of mirrorOptions:

https://github.com/electron/electron/releases/download/v4.0.4/electron-v4.0.4-linux-x64.zip
|                                                     |       |                           |
-------------------------------------------------------       -----------------------------
                        |                                                   |
              mirror / nightly_mirror                  |    |         customFilename
                                                       ------
                                                         ||
                                                      customDir

Example:

import { download } from '@electron/get';

const zipFilePath = await download('4.0.4', {
  mirrorOptions: {
    mirror: 'https://mirror.example.com/electron/',
    customDir: 'custom',
    customFilename: 'unofficial-electron-linux.zip'
  }
});
// Will download from https://mirror.example.com/electron/custom/unofficial-electron-linux.zip

const nightlyZipFilePath = await download('8.0.0-nightly.20190901', {
  mirrorOptions: {
    nightly_mirror: 'https://nightly.example.com/',
    customDir: 'nightlies',
    customFilename: 'nightly-linux.zip'
  }
});
// Will download from https://nightly.example.com/nightlies/nightly-linux.zip

How It Works

This module downloads Electron to a known place on your system and caches it so that future requests for that asset can be returned instantly. The cache locations are:

Linux: $XDG_CACHE_HOME or ~/.cache/electron/
MacOS: ~/Library/Caches/electron/
Windows: %LOCALAPPDATA%/electron/Cache or ~/AppData/Local/electron/Cache/

By default, the module uses got as the downloader. As a result, you can use the same options via downloadOptions.

Proxies

Downstream packages should utilize the initializeProxy function to add HTTP(S) proxy support. A different proxy module is used, depending on the version of Node in use, and as such, there are slightly different ways to set the proxy environment variables. For Node 10 and above, global-agent is used. Otherwise, global-tunnel-ng is used. Refer to the appropriate linked module to determine how to configure proxy support.

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