83 lines
2.5 KiB
Markdown
83 lines
2.5 KiB
Markdown
# Synopsis
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All of [Node.js's built-in modules](http://nodejs.org/api/) are available in
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Electron and third-party node modules also fully supported as well (including
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the [native modules](../tutorial/using-native-node-modules.md)).
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Electron also provides some extra built-in modules for developing native
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desktop applications. Some modules are only available in the main process, some
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are only available in the renderer process (web page), and some can be used in
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both processes.
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The basic rule is: if a module is [GUI][gui] or low-level system related, then
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it should be only available in the main process. You need to be familiar with
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the concept of [main process vs. renderer process](../tutorial/quick-start.md#the-main-process) scripts to be
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able to use those modules.
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The main process script is just like a normal Node.js script:
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```javascript
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const electron = require('electron');
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const app = electron.app;
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const BrowserWindow = electron.BrowserWindow;
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var window = null;
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app.on('ready', function() {
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window = new BrowserWindow({width: 800, height: 600});
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window.loadURL('https://github.com');
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});
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```
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The renderer process is no different than a normal web page, except for the
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extra ability to use node modules:
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```html
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<!DOCTYPE html>
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<html>
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<body>
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<script>
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const remote = require('electron').remote;
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console.log(remote.app.getVersion());
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</script>
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</body>
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</html>
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```
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To run your app, read [Run your app](../tutorial/quick-start.md#run-your-app).
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## Destructuring assignment
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If you are using CoffeeScript or Babel, you can also use
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[destructuring assignment][destructuring-assignment] to make it easier to use
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built-in modules:
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```javascript
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const {app, BrowserWindow} = require('electron')
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```
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However if you are using plain JavaScript, you have to wait until Chrome fully
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supports ES6.
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## Disable old styles of using built-in modules
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Before v0.35.0, all built-in modules have to be used in the form of
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`require('module-name')`, though it has [many disadvantages][issue-387], we are
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still supporting it for compatibility with old apps.
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To disable the old styles completely, you can set the
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`ELECTRON_HIDE_INTERNAL_MODULES` environment variable:
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```javascript
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process.env.ELECTRON_HIDE_INTERNAL_MODULES = 'true'
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```
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Or call the `hideInternalModules` API:
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```javascript
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require('electron').hideInternalModules()
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```
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[gui]: https://en.wikipedia.org/wiki/Graphical_user_interface
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[destructuring-assignment]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment
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[issue-387]: https://github.com/atom/electron/issues/387
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