Function minify

lib/index.js:59–111

(context, source, options)

}

function minify(context, source, options) {
    options = options || {};

    const filename = options.filename || '<unknown>';
    let result;

    // parse
    const ast = debugOutput('parsing', options, Date.now(),
        parse(source, {
            context,
            filename,
            positions: Boolean(options.sourceMap)
        })
    );

    // before compress handlers
    if (options.beforeCompress) {
        debugOutput('beforeCompress', options, Date.now(),
            runHandler(ast, options, options.beforeCompress)
        );
    }

    // compress
    const compressResult = debugOutput('compress', options, Date.now(),
        compress(ast, buildCompressOptions(options))
    );

    // after compress handlers
    if (options.afterCompress) {
        debugOutput('afterCompress', options, Date.now(),
            runHandler(compressResult, options, options.afterCompress)
        );
    }

    // generate
    if (options.sourceMap) {
        result = debugOutput('generate(sourceMap: true)', options, Date.now(), (() => {
            const tmp = generate(compressResult.ast, { sourceMap: true });

            tmp.map._file = filename; // since other tools can relay on file in source map transform chain
            tmp.map.setSourceContent(filename, source);

            return tmp;
        })());
    } else {
        result = debugOutput('generate', options, Date.now(), {
            css: generate(compressResult.ast),
            map: null
        });
    }

    return result;
}

function minifyStylesheet(source, options) {
    return minify('stylesheet', source, options);