Generator comprehation transpiling test

gen.es5.bt.js

var S_ITER$0 = typeof Symbol !== 'undefined' && Symbol && Symbol.iterator || '@@iterator';
var S_MARK$0 = typeof Symbol !== 'undefined' && Symbol && Symbol["__setObjectSetter__"];
function GET_ITER$0(v) {
	if( v ) {
		if( Array.isArray(v) )return 0;
		var f;
		if( S_MARK$0 )S_MARK$0(v);
		if( typeof v === 'object' && typeof (f = v[S_ITER$0]) === 'function' ) {
			if( S_MARK$0 )S_MARK$0(void 0);
			return f.call(v);
		}
		if( S_MARK$0 )S_MARK$0(void 0);
		if( (v + '') === '[object Generator]' )return v;
	}
	throw new Error(v + ' is not iterable')
};
var $D$6;
var $D$7;
var $D$8;
var arr1 = [1, 2, 3], arr2 = [
	{a: 'a'},
	{a: 'b'},
	{a: 'c'}
];
var gen = (function() {
	var S_STAG$0 = typeof Symbol !== 'undefined' && Symbol && Symbol["toStringTag"] || '@@toStringTag';
	var Generator$0 = function Generator() {
		if( !(this instanceof Generator$0) )throw new TypeError('incompatible' + this);
		this["__next__"] = arguments[0];
		this["__throw__"] = arguments[1];
	};
	Generator$0.prototype = {constructor: Generator$0, "next": function(val) {
		if( !(this instanceof Generator$0) )throw new TypeError('next method called on incompatible ' + this);
		if( this["__next__"] ) {
			try {
				return this["__next__"](val);
			} catch( e ) {
				if( this["__throw__"] )return this["__throw__"](e);
				else throw e;
			}
		}
		else return {"value": void 0, "done": true};
	}, "throw": function(e) {
		if( !(this instanceof Generator$0) )throw new TypeError('throw method called on incompatible ' + this);
		if( this && this["__throw__"] )return this["__throw__"](e);
		else throw e
	}, "toString": function() {
		return '[object Generator]'
	}};
	if( S_MARK$0 )S_MARK$0(Generator$0.prototype);
	Generator$0.prototype[S_STAG$0] = 'Generator';
	Generator$0.prototype[S_ITER$0] = function() {
		return this
	};
	if( S_MARK$0 )S_MARK$0(void 0);
	var $D$0;
	var $D$1;
	var $D$2;
	var $D$3;
	var $D$4;
	var $D$5;
	var x;
	var y;
	var done$0 = false;
	var init$0 = false;
	var init$1 = false;
	var state$0 = 1, next$0 = false;
	return new Generator$0(function next(throw_error$0, throw$0) {
		if( throw$0 === true ) {
			done$0 = true;
		}
		if( done$0 === false ) {
			while( true ) {
				next$0 = false;
				switch( state$0 ) {
					case 1:
						if( init$0 === false ) {
							$D$0 = GET_ITER$0(arr1);
							$D$2 = $D$0 === 0;
							$D$1 = ($D$2 ? arr1.length : void 0);
							init$0 = true;
						}
						next$0 = $D$2 ? ($D$0 < $D$1) : !($D$1 = $D$0["next"]())["done"];
						if( next$0 ) {
							x = ($D$2 ? arr1[$D$0++] : $D$1["value"]);
							state$0 = 2;
						}
						else {
							break;
						}
					case 2:
						if( init$1 === false ) {
							y = void 0;
							$D$3 = GET_ITER$0(arr2);
							$D$5 = $D$3 === 0;
							$D$4 = ($D$5 ? arr2.length : void 0);
							init$1 = true;
						}
						next$0 = $D$5 ? ($D$3 < $D$4) : !($D$4 = $D$3["next"]())["done"];
						if( next$0 ) {
							y = ($D$5 ? arr2[$D$3++] : $D$4["value"]).a;
						}
						else {
							state$0 = 1;
							init$1 = false;
							;
							$D$3 = $D$4 = $D$5 = void 0;
							y = void 0;
							continue;
						}
						;
				}
				if( next$0 ) {
					;
					if( x != 2 ) {
						return {"value": x + y, "done": false};
					}
					else {
						continue;
					}
				}
				else {
					x = void 0;
					done$0 = true;
					break
				}
			}
		}
		if( done$0 === true ) {
			;
			$D$0 = $D$1 = $D$2 = void 0;
			;
			$D$3 = $D$4 = $D$5 = void 0;
			y = void 0;
			if( this && this["__next__"] === next ) {
				delete this["__next__"];
				delete this["__throw__"];
			}
			;
		}
		;
		if( throw$0 === true ) {
			throw throw_error$0;
		}
		;
		return {"value": void 0, "done": true};
	}, function(err) {
		if( this && this["__next__"] ) {
			return this["__next__"](err, true);
		}
		else {
			throw err
		}
	})
})()

$D$6 = GET_ITER$0(gen);
$D$8 = $D$6 === 0;
$D$7 = ($D$8 ? gen.length : void 0);
for( var a; $D$8 ? ($D$6 < $D$7) : !($D$7 = $D$6["next"]())["done"]; ) {
	a = ($D$8 ? gen[$D$6++] : $D$7["value"]);
	console.log(a)
}
;
$D$6 = $D$7 = $D$8 = void 0;

gen.es5.js

var S_ITER$0 = typeof Symbol!=='undefined'&&Symbol&&Symbol.iterator||'@@iterator';var S_MARK$0 = typeof Symbol!=='undefined'&&Symbol&&Symbol["__setObjectSetter__"];function GET_ITER$0(v){if(v){if(Array.isArray(v))return 0;var f;if(S_MARK$0)S_MARK$0(v);if(typeof v==='object'&&typeof (f=v[S_ITER$0])==='function'){if(S_MARK$0)S_MARK$0(void 0);return f.call(v);}if(S_MARK$0)S_MARK$0(void 0);if((v+'')==='[object Generator]')return v;}throw new Error(v+' is not iterable')};var $D$6;var $D$7;var $D$8;
var arr1 = [1, 2, 3], arr2 = [{a:'a'}, {a:'b'}, {a:'c'}];
var gen = (function(){var S_STAG$0 = typeof Symbol!=='undefined'&&Symbol&&Symbol["toStringTag"]||'@@toStringTag';var Generator$0 = function Generator(){if(!(this instanceof Generator$0))throw new TypeError('incompatible'+this);this["__next__"]=arguments[0];this["__throw__"]=arguments[1];};Generator$0.prototype={constructor:Generator$0,"next":function(val){if(!(this instanceof Generator$0))throw new TypeError('next method called on incompatible '+this);if(this["__next__"]){try {return this["__next__"](val);}catch(e){if(this["__throw__"])return this["__throw__"](e);else throw e;}}else return {"value":void 0,"done":true};},"throw":function(e){if(!(this instanceof Generator$0))throw new TypeError('throw method called on incompatible '+this);if(this&&this["__throw__"])return this["__throw__"](e);else throw e},"toString":function(){return '[object Generator]'}};if(S_MARK$0)S_MARK$0(Generator$0.prototype);Generator$0.prototype[S_STAG$0]='Generator';Generator$0.prototype[S_ITER$0]=function(){return this};if(S_MARK$0)S_MARK$0(void 0);var $D$0;var $D$1;var $D$2;var $D$3;var $D$4;var $D$5;var x;var y;var done$0=false;var init$0=false;var init$1=false;var state$0=1,next$0=false;return new Generator$0(function next(throw_error$0,throw$0){if(throw$0===true){done$0=true;}if(done$0===false){while(true){next$0=false;switch(state$0){case 1:if(init$0===false){$D$0 = GET_ITER$0(arr1);$D$2 = $D$0 === 0;$D$1 = ($D$2 ? arr1.length : void 0);init$0=true;}next$0=$D$2 ? ($D$0 < $D$1) : !($D$1 = $D$0["next"]())["done"];if(next$0){x = ($D$2 ? arr1[$D$0++] : $D$1["value"]);state$0=2;}else {break;}case 2:if(init$1===false){y=void 0;$D$3 = GET_ITER$0(arr2);$D$5 = $D$3 === 0;$D$4 = ($D$5 ? arr2.length : void 0);init$1=true;}next$0=$D$5 ? ($D$3 < $D$4) : !($D$4 = $D$3["next"]())["done"];if(next$0){y = ($D$5 ? arr2[$D$3++] : $D$4["value"]).a;}else{state$0=1;init$1=false;;$D$3 = $D$4 = $D$5 = void 0;y=void 0;continue;};}if(next$0){;if(x != 2){return {"value":x + y,"done":false};}else {continue;}}else{x=void 0;done$0=true;break}}}if(done$0===true){;$D$0 = $D$1 = $D$2 = void 0;;$D$3 = $D$4 = $D$5 = void 0;y=void 0;if(this&&this["__next__"]===next){delete this["__next__"];delete this["__throw__"];};};if(throw$0===true){throw throw_error$0;};return {"value":void 0,"done":true};},function(err){if(this&&this["__next__"]){return this["__next__"](err,true);}else {throw err}})})()
 
$D$6 = GET_ITER$0(gen);$D$8 = $D$6 === 0;$D$7 = ($D$8 ? gen.length : void 0);for( var a ;$D$8 ? ($D$6 < $D$7) : !($D$7 = $D$6["next"]())["done"];){a = ($D$8 ? gen[$D$6++] : $D$7["value"]);
	console.log(a)
};$D$6 = $D$7 = $D$8 = void 0;

gen.es6.js

var arr1 = [1, 2, 3], arr2 = [{a:'a'}, {a:'b'}, {a:'c'}];
var gen = ( x + y for (x of arr1) for ({a: y} of arr2) if ( x != 2 ) )

for( let a of gen ) {
	console.log(a)
}