64 lines
3 KiB
Markdown
64 lines
3 KiB
Markdown
---
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title: "JavaScript"
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permalink: /docs/javascript/
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excerpt: "Instructions for customizing and building the theme's scripts."
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last_modified_at: 2019-04-03T15:25:36-04:00
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---
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The theme's `assets/js/main.min.js` script is built from several vendor, jQuery plugins, and other scripts found in [`assets/js/`](https://github.com/mmistakes/minimal-mistakes/tree/master/assets/js).
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```bash
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minimal mistakes
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├── assets
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| ├── js
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| | ├── plugins
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| | | ├── jquery.fitvids.js # fluid width video embeds
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| | | ├── jquery.greedy-navigation.js # priority plus navigation
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| | | ├── jquery.magnific-popup.js # responsive lightbox
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| | | └── jquery.smooth-scroll.min.js # make same-page links scroll smoothly
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| | ├── vendor
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| | | └── jquery
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| | | └── jquery-3.3.1.min.js
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| | ├── _main.js # jQuery plugin settings and other scripts
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| | └── main.min.js # concatenated and minified scripts
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```
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## Customizing
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To modify or add your own scripts include them in [`assets/js/_main.js`](https://github.com/mmistakes/minimal-mistakes/blob/master/assets/js/_main.js) and then rebuild using `npm run build:js`. See below for more details.
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If you add additional scripts to `assets/js/plugins/` and would like them concatenated with the others, be sure to update the `uglify` script in [`package.json`](https://github.com/mmistakes/minimal-mistakes/blob/master/package.json). Same goes for scripts that you remove.
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You can also add scripts to the `<head>` or closing `</body>` elements by adding paths to following arrays in `_config.yml`.
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**Example:**
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```yaml
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head_scripts:
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- https://code.jquery.com/jquery-3.3.1.min.js
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- /assets/js/your-custom-head-script.js
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footer_scripts:
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- /assets/js/your-custom-footer-script.js
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after_footer_scripts:
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- /assets/js/custom-script-loads-after-footer.js
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```
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**Note:** If you assign `footer_scripts` the theme's `/assets/js/main.min.js` file will be deactivated. This script includes jQuery and various other plugins that you'll need to find replacements for and include separately.
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{: .notice--warning}
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---
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## Build process
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In an effort to reduce dependencies a set of [**npm scripts**](https://css-tricks.com/why-npm-scripts/) are used to build `main.min.js` instead of task runners like [Gulp](http://gulpjs.com/) or [Grunt](http://gruntjs.com/). If those tools are more your style then by all means use them instead :wink:.
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To get started:
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1. Install [Node.js](http://nodejs.org/).
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2. `cd` to the root of your project.
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3. Install all of the dependencies by running `npm install`.
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**Note:** If you upgraded from a previous version of the theme be sure you copied over [`package.json`](https://github.com/{{ site.repository }}/blob/master/package.json) prior to running `npm install`.
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{: .notice--warning}
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If all goes well, running `npm run build:js` will compress/concatenate `_main.js` and all plugin scripts into `main.min.js`.
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