text: 'use strict';
  
  function createCommonjsModule(fn, module) {
  	return module = { exports: {} }, fn(module, module.exports), module.exports;
  }
  
  var index = createCommonjsModule(function (module) {
  'use strict';
  /* eslint-disable no-unused-vars */
  var hasOwnProperty = Object.prototype.hasOwnProperty;
  var propIsEnumerable = Object.prototype.propertyIsEnumerable;
  
  function toObject(val) {
  	if (val === null || val === undefined) {
  		throw new TypeError('Object.assign cannot be called with null or undefined');
  	}
  
  	return Object(val);
  }
  
  function shouldUseNative() {
  	try {
  		if (!Object.assign) {
  			return false;
  		}
  
  		// Detect buggy property enumeration order in older V8 versions.
  
  		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
  		var test1 = new String('abc');  // eslint-disable-line
  		test1[5] = 'de';
  		if (Object.getOwnPropertyNames(test1)[0] === '5') {
  			return false;
  		}
  
  		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
  		var test2 = {};
  		for (var i = 0; i < 10; i++) {
  			test2['_' + String.fromCharCode(i)] = i;
  		}
  		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
  			return test2[n];
  		});
  		if (order2.join('') !== '0123456789') {
  			return false;
  		}
  
  		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
  		var test3 = {};
  		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
  			test3[letter] = letter;
  		});
  		if (Object.keys(Object.assign({}, test3)).join('') !==
  				'abcdefghijklmnopqrst') {
  			return false;
  		}
  
  		return true;
  	} catch (e) {
  		// We don't expect any of the above to throw, but better to be safe.
  		return false;
  	}
  }
  
  module.exports = shouldUseNative() ? Object.assign : function (target, source) {
  	var from;
  	var to = toObject(target);
  	var symbols;
  
  	for (var s = 1; s < arguments.length; s++) {
  		from = Object(arguments[s]);
  
  		for (var key in from) {
  			if (hasOwnProperty.call(from, key)) {
  				to[key] = from[key];
  			}
  		}
  
  		if (Object.getOwnPropertySymbols) {
  			symbols = Object.getOwnPropertySymbols(from);
  			for (var i = 0; i < symbols.length; i++) {
  				if (propIsEnumerable.call(from, symbols[i])) {
  					to[symbols[i]] = from[symbols[i]];
  				}
  			}
  		}
  	}
  
  	return to;
  };
  });
  
  var require$$0 = (index && typeof index === 'object' && 'default' in index ? index['default'] : index);
  
  var s1 = createCommonjsModule(function (module) {
  const assign = require$$0
  
  const message = 's1.js'
  
  console.log(message)
  console.log(assign({a: 10}, {a: 20}))
  });
  
  var s1$1 = (s1 && typeof s1 === 'object' && 'default' in s1 ? s1['default'] : s1);
  
  module.exports = s1$1;