mathjs/examples/node_modules/resolve/test/resolver/incorrect_main/index.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

// this is the actual main file 'index.js', not 'wrong.js' like the package.json would indicate
module.exports = 1;