@viewdo/dxp-story-cli/src/commands/app/builder/services/webpack/config/json-plugin.js

README.md

const fs = require('fs');
const colors = require('colors');

function JSONConfigPlugin(buildInfo) {
    this.buildInfo = buildInfo;
}

const evalCode = (source) => {
    //console.log(source)
    const results = eval(source);
    return results.default();
}

JSONConfigPlugin.prototype.apply = function (compiler) {
    compiler.plugin('emit', (compilation, cb) => {
        const { buildFile, buildPath, serve } = this.buildInfo;
        const { chunks = [] } = compilation;

        chunks.forEach(chunk => {
            chunk.files.forEach(filename => {
                if (filename === '_json-evaluator.js') {
                    const source = compilation.assets[filename].source();

                    let jsonData = {};

                    try {
                        jsonData = evalCode(source);
                    } catch (err) {
                        console.log(colors.red(err));
                    }

                    if (serve) {
                        const content = JSON.stringify(jsonData, null, 2);

                        compilation.assets[`${buildPath}/${buildFile}`] = {
                            source: () => {
                                return Buffer.from(content);
                            },
                            size: () => {
                                return content.length * 4;
                            }
                        };
                    } else {
                        fs.writeFileSync(buildFile, JSON.stringify(jsonData, null, 2));
                    }

                }
            })
        });

        cb();
    })
}

module.exports = JSONConfigPlugin;