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# minifyfromhtml
This little helper minifies scripts and css starting from an html file. I made it after asking this question on stackoverflow: https://stackoverflow.com/questions/50188269/minify-js-and-css-in-one-go-starting-from-html/
This little helper minifies scripts and css starting from an html file.
## What it is
I am making a `js` widget, like a map, or a calendar field or something. This is the `index.html` I use while developing the widget:
```
<!DOCTYPE html>
<html lang="en">
<head>
<title>example page</title>
<script src="somelib.js"></script>
<script src="someotherlib.js"></script>
<script src="awesomelib.js"></script>
<script src="spectacularlib.js"></script>
<script src="app.js"></script>
<link rel="stylesheet" type="text/css" href="some.css" />
<link rel="stylesheet" type="text/css" href="app.css" />
</head>
<body>
<div id="widget"></div>
<script>
myapp(document.getElementById('widget'));
</script>
</body>
</html>
```
I am not using a framework like angular or react. I am coding along in `app.js`, and add libraries as I need them to `index.html`.
Then comes a time I want to distribute my widget to the world. To do that, I would like to
- minify all referenced js files in index.html
- minify all css files
so that users of my widget can just include `widget.js` and `widget.css` and be good to go.
Is there something I can use that does that for me **with minimal hassle**? Something like
```
$ magictool index.html
- nice html you have. let me parse that and see what I need to do...
- oh, you have somelib.js. let me minify that for you and put it in dist.js
- oh, you have someotherlib.js. let me minify that for you and put it in dist.js
- oh, you have awesomelib.js. let me minify that for you and put it in dist.js
- oh, you have spectacularlib.js. let me minify that for you and put it in dist.js
- oh, you have app.js. let me minify that for you and put it in dist.js
- oh, you have some.css. let me minify that for you and put it in dist.css
- oh, you have app.css. let me minify that for you and put it in dist.css
! dist.js and dist.css created!
```
that reads `index.html` and creates a `dist.js` and `dist.css`.
the magictool is **minifyfromhtml**.
## Quickstart
```
npm i git+https://github.com/S2-/minifyfromhtml.git#semver:1.x
node node_modules\minifyfromhtml\minifyfromhtml.js --js=dist.js --css=dist.css < index.html
npm i -g minifyfromhtml
minifyfromhtml --js=dist.js --css=dist.css < index.html
```
=>
```