node_modules/module-deps/test/files/tr_2dep_module/node_modules/m/node_modules/insert-mmm/index.js

var through = require('through2');

module.exports = function (file) {
    return through(function (buf, enc, next) {
        this.push(String(buf).replace(/MMM/g, '222'));
        next();
    });
};