require-main.js

/* usage:

var requireMain = require('require-main')

// instead of `require.main === module`
if (requireMain(require, module)) {
  doStuff(process.argv)
}

*/

var MAGIC_BROWSERIFY_LINES = 8;

function nodeMain(require, module) {
    return require.main === module;
}

function browserMain() {
    var error;
    
    try {
        throw new Error('browserMain')
    } catch (e) {
        error = e;
    }
    
    var lines = error.stack && error.stack.split('\n')
    
    return lines.length < MAGIC_BROWSERIFY_LINES;
}

if ("main" in require) {
    module.exports = nodeMain;
} else {
    module.exports = browserMain;
}