Uses AST to find and remove unused dependencies in AMD modules.
npm install amdcheck-loader
source.js
define('module1', ['p1', 'p2'], function (a, b) {
/**
* b is not used in this scope.
*/
return (function(b) {
return b;
})(a);
});
define('module2', ['p1', 'p2', 'p3', 'p4'], function (a, b, c) {
return b;
});example.js
var output = require("amdcheck!./source.js");
// => returns optimized source (unused dependencies removed).
console.log(output);output
define('module1', ['p1'], function (a) {
/**
* b is not used in this scope.
*/
return (function(b) {
return b;
})(a);
});
define('module2', ['p2'], function (b) {
return b;
});
Don't forget to polyfill require if you want to use it in node.
See webpack documentation.