postinstall-js

This is a postinstall command plugin.

It runs babel-preset-env and babel-preset-minify on inputs, and concatenate
them on output.

To transform inputs using browserify, please check
postinstall-browserify.

Usage

The plugin can be called directly, or through postinstall.

Directly:

``js
require('postinstall-js')(inputs, output, options).then(function() {
// done
});
`

Options

$3

A Browserslist query string

$3

Pass minify: false to disable minification.

$3

By default, when minify is active, babel comments option is set to false.

$3

By default modules: false is passed to babel-preset-env.

$3

A path to a cache directory must be set to enable cache.

$3

Note that babel 7 and @babel/plugin-transform-classes only support this
type of constructor overriding:

`js
class HTMLMyCustomElement extends HTMLElement {
constructor(me) {
me = super(me);
me.init();
return me;
}
init() {}
}
``

$3

Support for source maps is not available and will be added eventually.