Uglify-js-minify-css-allfiles NPM

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uglify-js-minify-css-allfiles

A powerful tool to minify and obfuscate JavaScript and CSS files in your project.
It helps protect your code in deployment environments and makes it less recognizable to others, all through a simple CLI interface.
You can easily minify all files in a specific folder, with the option to exclude certain directories.

Installation

Install with npm:

$ npm i uglify-js-minify-css-allfiles

Usage

Basic usage (no Babel):

import minifyAll from 'uglify-js-minify-css-allfiles';

await minifyAll('./src/');

Using options:

import minifyAll from 'uglify-js-minify-css-allfiles';

await minifyAll('./src/', {
  excludeFolder: 'node_modules',
  useBabel: {
    targets: 'chrome 40',
    modules: false,
    useBuiltIns: 'usage',
    corejs: 3,
  },
  useLog: {
    logDir: 'logs',
    retentionDays: 30,
    logLevel: 'info',
    dateFormat: 'YYYY-MM-DD',
    timeZone: 'UTC',
    logToConsole: true,
    logToFile: true,
  },
  jsMinifyOptions: {
    compress: {
      dead_code: true,
      drop_debugger: true,
      conditionals: true,
      evaluate: true,
      booleans: true,
      loops: true,
      unused: true,
      hoist_funs: true,
      keep_fargs: false,
      hoist_vars: true,
      if_return: true,
      join_vars: true,
      cascade: true,
      side_effects: true,
      warnings: false,
    },
  },
  cssMinifyOptions: {
    level: 2,
  },
});

Parameters

The minifyAll function accepts the following parameters:

Parameter	Type	Default	Description
`contentPath`	string	-	The path to the directory containing the files to be minified. This is a required parameter.
`options`	object	`{}`	An object containing options for minification, Babel, and logging.

Options

The options object can have the following properties:

Property	Type	Default	Description
`excludeFolder`	string	`''`	The name of a folder to exclude from minification.
`useBabel`	boolean \| object	`false`	If `true`, enables Babel with default settings. If an object, specifies Babel options.
`useLog`	boolean \| object	`true`	If `true`, enables logging with default settings. If an object, specifies logging options.
`jsMinifyOptions`	object	`{}`	Options for JavaScript minification (passed to UglifyJS).
`cssMinifyOptions`	object	`{}`	Options for CSS minification (passed to CleanCSS).

Babel Options

When useBabel is an object, it can have the following properties:

Property	Type	Description
`targets`	string \| object	Specifies the target environments.
`modules`	string \| false	Enables transformation of ES6 module syntax to another module type.
`useBuiltIns`	'usage' \| 'entry' \| false	Configures how babel-preset-env handles polyfills.
`corejs`	number \| object	Specifies the core-js version.
... (other @babel/preset-env options)	Various	Refer to @babel/preset-env documentation for more options.

Log Options

When useLog is an object, it can have the following properties:

Property	Type	Default	Description
`logDir`	string	`'logs'`	Specifies the directory for log files.
`retentionDays`	number	30	Number of days to retain log files.
`logLevel`	string	`'info'`	Specifies the level of logging (e.g., `'info'`, `'warn'`, `'error'`).
`dateFormat`	string	`'YYYY-MM-DD'`	Format for the date in log entries.
`timeZone`	string	`'UTC'`	Time zone for timestamps in log entries.
`logToConsole`	boolean	`true`	Determines if logs should also be output to the console.
`logToFile`	boolean	`true`	Determines if logs should be written to a file.

Minification Options

JavaScript Minification Options

The jsMinifyOptions object is passed directly to UglifyJS. For a full list of available options, please refer to the UglifyJS documentation.

Some commonly used options include:

compress: An object specifying compression options.
mangle: Controls name mangling. Can be a boolean or an object with more specific options.
output: An object controlling the output format.