@gravityforms/gulp-tasks/src/tasks/uglify.js

Configurable Gulp tasks for use in Gravity Forms projects.

const gulp = require( 'gulp' );
const uglify = require( 'gulp-uglify' );
const rename = require( 'gulp-rename' );
const fs = require( 'fs' );
const getConfig = require( '../../config' );
const { config } = getConfig();

const rootPath = config?.paths?.root || './';

// Check if webpack.config.js exists in the rootPath, this is for legacy addons only
const webpackConfigExists = fs.existsSync( `${ rootPath }/webpack.config.js` );

module.exports = Object.assign( {}, {
	minifyFiles() {
		if ( webpackConfigExists ) {
			console.log( 'Skipping minifyFiles task because webpack.config.js is present and it will minify instead in legacy addons.' );
			return Promise.resolve();
		}

		return gulp.src( config?.uglify?.minifyFiles || [] )
			.pipe( uglify() )
			.pipe( rename( function( file ) {
				file.basename += '.min';
			} ) )
			.pipe( gulp.dest( function( file ) {
				// Return the base path of each file to place minified files in the same directory
				return file.base;
			} ) );

	}
}, config?.tasks?.builtins?.uglify || {} );