webpack-glsl-minifier.js

/*
 * speedy-vision.js
 * GPU-accelerated Computer Vision for JavaScript
 * Copyright 2020-2024 Alexandre Martins <alemartf(at)gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * webpack-glsl-minifier.js
 * Minify GLSL code
 */

function minify(glslSource)
{
    const multilineComments = /\/\*(.|\s)*?\*\//g;
    const lineComments = /\/\/.*$/gm;

    const minifiedSource = glslSource
                           .replace(multilineComments, '')
                           .replace(lineComments, '')
                           .split('\n')
                           .map(line => line.trim())
                           .filter(line => line)
                           .join('\n');

    return 'module.exports = ' + JSON.stringify(minifiedSource);
}

module.exports = minify;