66 lines
2.8 KiB
Markdown
66 lines
2.8 KiB
Markdown
# electron-download
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[](https://travis-ci.org/electron-userland/electron-download)
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[](https://ci.appveyor.com/project/Atom/electron-download)
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[](https://www.npmjs.com/package/electron-download)
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Downloads an Electron release zip from GitHub.
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Used by [electron-prebuilt](https://npmjs.org/electron-prebuilt) and [electron-packager](https://npmjs.org/electron-packager)
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### Usage
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```shell
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$ npm install --global electron-download
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$ electron-download --version=0.31.1
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```
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```javascript
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var download = require('electron-download')
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download({
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version: '0.25.1',
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arch: 'ia32',
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platform: 'win32',
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cache: './zips' // defaults to <user's home directory>/.electron
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}, function (err, zipPath) {
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// zipPath will be the path of the zip that it downloaded.
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// If the zip was already cached it will skip
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// downloading and call the cb with the cached zip path.
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// If it wasn't cached it will download the zip and save
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// it in the cache path.
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})
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```
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If you don't specify `arch` or `platform` args it will use the built-in `os` module to get the values from the current OS. Specifying `version` is mandatory. If there is a `SHASUMS256.txt` file available for the `version`, the file downloaded will be validated against its checksum to ensure that it was downloaded without errors.
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You can also use `electron-download` to download the `chromedriver`, `ffmpeg`,
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`mksnapshot`, and symbols assets for a specific Electron release. This can be
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configured by setting the `chromedriver`, `ffmpeg`, `mksnapshot`, or
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`symbols` property to `true` in the specified options object. Only one of
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these options may be specified per download call.
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You can force a re-download of the asset and the `SHASUM` file by setting the
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`force` option to `true`.
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If you would like to override the mirror location, three options are available. The mirror URL is composed as `url = ELECTRON_MIRROR + ELECTRON_CUSTOM_DIR + '/' + ELECTRON_CUSTOM_FILENAME`.
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You can set the `ELECTRON_MIRROR` or [`NPM_CONFIG_ELECTRON_MIRROR`](https://docs.npmjs.com/misc/config#environment-variables) environment variable or `mirror` opt variable to use a custom base URL for grabbing Electron zips. The same pattern applies to `ELECTRON_CUSTOM_DIR` and `ELECTRON_CUSTOM_FILENAME`:
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```plain
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## Electron Mirror of China
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ELECTRON_MIRROR="https://npm.taobao.org/mirrors/electron/"
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## or for a local mirror
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ELECTRON_MIRROR="https://10.1.2.105/"
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ELECTRON_CUSTOM_DIR="our/internal/filePath"
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```
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You can set ELECTRON_MIRROR in `.npmrc` as well, using the lowercase name:
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```plain
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electron_mirror=https://10.1.2.105/
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```
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