plugins/withMarkdownLoader.js


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const hljs = require('highlight.js');
const pluginFactory = require('./pluginFactory');

function highlight(code, lang) {
    const language = hljs.getLanguage(lang) ? lang : 'plaintext';

    const highlighted = hljs.highlight(code, { language }).value;
    return highlighted;
}

const withMarkdownLoader = pluginFactory((config, _options) => {
    config.module.rules.push({
        test: /\.md$/,
        use: [
            {
                loader: 'html-loader',
                options: {
                    esModule: true
                }
            },
            {
                loader: 'markdown-loader',
                options: {
                    highlight
                }
            }
        ]
    });
});

module.exports = withMarkdownLoader;