Minify - a minifier of js
, css
, html
and img
files.
To get things done Minify uses this amazing tools:
- ✅ @putout/minify;
- ✅ html-minifier;
- ✅ clean-css;
- ✅ css-base64-images;
For Node users:
npm i minify -g
For Deno users:
import {minify} from 'npm:minify';
Usage: minify [options]
Options:
-h, --help display this help and exit
-v, --version display version and exit
--js minify javascript
--css minify css
--html minify html
--auto auto detect format
The bash command below creates a code snippet saved as hello.js
.
Simply copy + paste the code starting with cat, including the EOT on the last line, and press .
$ cat << EOT > hello.js
const hello = 'world';
for (let i = 0; i < hello.length; i++) {
console.log(hello[i]);
}
EOT
Use the command minify
followed by the path to and name of the js file intended to be minified. This will minify the code and output it to the screen.
$ minify hello.js
var a='world';for(let i=0;i<a.length;i++)console.log(a[i]);
You can capture the output with the following:
$ minify hello.js > hello.min.js
You can pass input using cat
:
cat << EOT | bin/minify.js --js
> const hello = 'world';
>
> for (let i = 0; i < hello.length; i++) {
> console.log(hello[i]);
> }
> EOT
var a='world';for(let i=0;i<a.length;i++)console.log(a[i]);
Minify
can be used with async-await
and try-to-catch:
import {minify} from 'minify';
import tryToCatch from 'try-to-catch';
const options = {
html: {
removeAttributeQuotes: false,
removeOptionalTags: false,
},
};
const [error, data] = await tryToCatch(minify, './client.js', options);
if (error)
return console.error(error.message);
console.log(data);
For cli use these options can be provided in a JSON file named .minify.json
like so:
{
"js": {
"type": "putout",
"putout": {
"quote": "'",
"mangle": true,
"mangleClassNames": true,
"removeUnusedVariables": true,
"removeConsole": false,
"removeUselessSpread": true
}
},
"img": {
"maxSize": 4096
},
"html": {
"removeComments": true,
"removeCommentsFromCDATA": true,
"removeCDATASectionsFromCDATA": true,
"collapseWhitespace": true,
"collapseBooleanAttributes": true,
"removeAttributeQuotes": true,
"removeRedundantAttributes": true,
"useShortDoctype": true,
"removeEmptyAttributes": true,
"removeEmptyElements": false,
"removeOptionalTags": true,
"removeScriptTypeAttributes": true,
"removeStyleLinkTypeAttributes": true,
"minifyJS": true,
"minifyCSS": true
},
"css": {
"compatibility": "*"
}
}
Minify walking up parent directories to locate and read it’s configuration file .minify.json
.
In section related to js
you can choose type
of minifier:
When you want to pass options to terser
, use section with the same name, .minify.json
will look this way:
{
"js": {
"type": "terser",
"terser": {
"mangle": false
}
}
}
MIT