electron-builder

A complete solution to package and build a ready for distribution Electron app for macOS, Windows and Linux with “auto update” support out of the box.

NPM packages management:
- Native application dependencies compilation.
- Development dependencies are never included. You don't need to ignore them explicitly.
Code Signing on a CI server or development machine.
Auto Update ready application packaging.
Build version management.
Numerous target formats:
- All platforms: 7z, zip, tar.xz, tar.lz, tar.gz, tar.bz2, dir (unpacked directory).
- macOS: dmg, pkg, mas.
- Linux: AppImage, snap, deb, rpm, freebsd, pacman, p5p, apk.
- Windows: NSIS, AppX (Windows Store), Squirrel.Windows.
Two package.json Structure is supported, but you are not forced to use it even if you have native production dependencies.
Publishing artifacts to GitHub Releases and Bintray.

Note: Platform specific 7zip-bin-* packages are optionalDependencies, which may require manual install if you have npm configured to not install optional deps by default.

Real project example — onshape-desktop-shell.

Configuration

See options for a full reference but consider following the simple guide outlined below first.

For an app that will be shipped to production, you should sign your application. See Where to buy code signing certificates.

Quick Setup Guide

Specify the standard fields in the application package.json — name, description, version and author.

Specify the build configuration in the development package.json as follows:

"build": {
  "appId": "your.id",
  "mac": {
    "category": "your.app.category.type"
  },
  "win": {
    "iconUrl": "(windows-only) https link to icon"
  }
}

See all options.

Create a directory build in the root of the project and save a background.png (macOS DMG background), icon.icns (macOS app icon) and icon.ico (Windows app icon) into it.

The Linux icon set will be generated automatically based on the macOS icns file (or you can put them into the build/icons directory if you want to specify them yourself. The filename must contain the size (e.g. 32x32.png) of the icon).
Add the scripts key to the development package.json:
```
"scripts": {
  "pack": "build --dir",
  "dist": "build"
}
```
Then you can run npm run dist (to package in a distributable format (e.g. dmg, windows installer, deb package)) or npm run pack (only generates the package directory without really packaging it. This is useful for testing purposes).

To ensure your native dependencies are always matched electron version, simply add "postinstall": "install-app-deps" to your package.json. Do not use Yarn.
If you have native addons of your own that are part of the application (not as a dependency), add "nodeGypRebuild": true to the build section of your development package.json.
💡 Don't use npm (neither .npmrc) for configuring electron headers. Use node-gyp-rebuild bin instead.
Installing the required system packages.

Please note that everything is packaged into an asar archive by default.

Auto Update

electron-builder produces all required artifacts, for example, for macOS:

.dmg: macOS installer, required for the initial installation process on macOS.
-mac.zip: required for Squirrel.Mac.

To benefit from auto updates, you have to implement and configure Electron's autoUpdater module (example). You also need to deploy your releases to a server. Consider using Nuts (uses GitHub as a backend to store the assets), Electron Release Server or Squirrel Updates Server. See the Publishing Artifacts section of the Wiki for more information on how to configure your CI environment for automated deployments.

CLI Usage

Execute node_modules/.bin/build --help to get the actual CLI usage guide.

Building:
  --mac, -m, -o, --osx, --macos  Build for MacOS, accepts target list (see
                                 https://goo.gl/HAnnq8).                 [array]
  --linux, -l                    Build for Linux, accepts target list (see
                                 https://goo.gl/O80IL2)                  [array]
  --win, -w, --windows           Build for Windows, accepts target list (see
                                 https://goo.gl/dL4i8i)                  [array]
  --x64                          Build for x64                         [boolean]
  --ia32                         Build for ia32                        [boolean]
  --dir                          Build unpacked dir. Useful to test.   [boolean]
  --extraMetadata, --em          Inject properties to application package.json

Publishing:
  --publish, -p  Publish artifacts (to GitHub Releases), see
                 https://goo.gl/WMlr4n
                           [choices: "onTag", "onTagOrDraft", "always", "never"]
  --draft        Create a draft (unpublished) release                  [boolean]
  --prerelease   Identify the release as a prerelease                  [boolean]

Deprecated:
  --platform  The target platform (preferred to use --mac, --win or --linux)
               [choices: "mac", "osx", "win", "linux", "darwin", "win32", "all"]
  --arch      The target arch (preferred to use --x64 or --ia32)
                                                 [choices: "ia32", "x64", "all"]

Other:
  --help     Show help                                                 [boolean]
  --version  Show version number                                       [boolean]

Examples:
  build -mwl                build for MacOS, Windows and Linux
  build --linux deb tar.xz  build deb and tar.xz for Linux
  build --win --ia32        build for Windows ia32
  build --em.foo=bar        set application package.json property `foo` to `bar`

Programmatic Usage

See node_modules/electron-builder/out/electron-builder.d.ts. Typings is supported.

"use strict"

const builder = require("electron-builder")
const Platform = builder.Platform

// Promise is returned
builder.build({
  targets: Platform.MAC.createTarget(),
  devMetadata: {
    "//": "build and other properties, see https://goo.gl/5jVxoO"
  }
})
  .then(() => {
    // handle result
  })
  .catch((error) => {
    // handle error
  })

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