needle

Bar.js

// Compiled from Dart by Needle: DO NOT EDIT.
goog.require("dart.runtime");
goog.require("dart.core");
goog.require("dart.core.Object");
goog.provide("Bar");
/** @constructor @struct @extends {dart.core.Object} */
var Bar = function() {
  goog.base(this);
};
goog.inherits(Bar, dart.core.Object);

Baz.js

// Compiled from Dart by Needle: DO NOT EDIT.
goog.require("dart.runtime");
goog.require("dart.core");
goog.require("dart.core.Object");
goog.provide("Baz");
/** @constructor @struct @extends {dart.core.Object} */
var Baz = function() {
  goog.base(this);
};
goog.inherits(Baz, dart.core.Object);

Foo.js

// Compiled from Dart by Needle: DO NOT EDIT.
goog.require("dart.runtime");
goog.require("dart.core");
goog.require("Bar");
goog.require("Baz");
goog.provide("Foo");
/**
 * @implements {Baz}
 * @constructor @struct @extends {Bar}
 */
var Foo = function() {
  goog.base(this);
};
goog.inherits(Foo, Bar);
dart.runtime.mixin(Foo, [Baz]);
/**
 * @this {Foo}
 * @param {string} message
 * @param {{loud: ?boolean}=} opt_namedArgs
 */
Foo.prototype.log = function(message, opt_namedArgs) {
  var loud = opt_namedArgs && opt_namedArgs.loud;
  if (!goog.isDef(loud)) loud = false;
  dart.runtime.print(dart.runtime.interpolate("[", dart.runtime.notNullBoolean(loud) ? "SHOUT" : "INFO", "]: ", message));
};
dart.runtime.extend(Foo.prototype, /** @lends {Foo.prototype} */
({
  /**
   * @this {Foo}
   * @return {!dart.runtime.FunctionSignature}
   */
  get log$signature() {
    return new dart.runtime.FunctionSignature([
      dart.core.String
    ], [], {
      loud: dart.core.bool
    });
  }
}));

hello.dart

class Bar {}
class Baz {}
class Foo extends Bar with Baz {
  log(String message, {bool loud: false}) {
    print('[${loud ? 'SHOUT' : 'INFO'}]: $message');
  }
}
run(x) {
  x.log('Hello', loud: true);
}
main() {
  dynamic f;
  var foo = new Foo();
  run(foo);
  foo.log('Hello', loud: true);
}

library.js

// Compiled from Dart by Needle: DO NOT EDIT.
goog.require("dart.runtime");
goog.require("dart.core");
goog.require("Foo");
goog.provide("dart.global.run");
goog.provide("dart.global.main");
dart.global.run = function(x) {
  dart.runtime.callUnknownMethod(x, [
    "Hello",
    {loud: true}
  ], x.log, {log: 0}, x.log$signature);
};
dart.global.main = function() {
  var f;
  /** @type {Foo} */
  var foo = new Foo();
  dart.global.run(foo);
  foo.log("Hello", {loud: true});
};
dart.runtime.registerSymbolsForNoSuchMethod({log: 0}, {});
dart.global.main();