wooandoo/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>query factory</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
	<script src="./suite.js"></script>
</head>
<body>
	<h1>Open the console to view the results</h1>
	<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
</body>
</html>

## suite.js
"use strict";

(function (factory) {
	if (typeof Benchmark !== "undefined") {
		factory(Benchmark);
	} else {
		factory(require("benchmark"));
	}
})(function (Benchmark) {
	var suite = new Benchmark.Suite;

	Benchmark.prototype.setup = function () {
		const any = condition => values => {
		    console.log('any', condition, values)
		    for(let index = 0; index < values.length; index++) {
		       if (condition(values[index]))
		        return true
		    }

		    return false
		}

		const all_ = mapper => {
		  let _array = []
		  const _or_wheres = []
		  let _where = undefined

		  const andWhere = condition => {
		      const previous_condition = _where
		      _where = previous_condition === undefined
		        ? condition
		        : item => previous_condition(item) && condition(item)
		      return factory
		    }

		  const factory = {
		    from: array => {
		      return _where === undefined
		        ? array.map(mapper)
		        // : array.filter(item => any(condition => condition(item), [..._or_wheres, _where])).map(mapper)
		        : array.filter(item => {
		            if (_where(item))
		            return true;

		            for (let index = 0; index < _or_wheres.length; index++) {
		                if (_or_wheres[index](item))
		                return true;
		            }

		            return false
		        })
		    },

		    where: andWhere,
		    and: andWhere,

		    orWhere: condition => {
		      _or_wheres.push(_where)
		      _where = condition
		      return factory
		    }
		  }

		  return factory
		}

		const query = all_(item => item + 1)
		.where(item => item % 2 === 0)
		.and(item => item < 2)
		.orWhere(item => item === 4 || item === 5)
		.and(item => item % 2 === 0)

		const demo = () => query.execute()

		const demo2 = () => {
		    return (
		        [0, 1, 2, 3, 4, 5]
		        .filter(item => (
		            item % 2 === 0 && item < 2
		        ) || (
		            item === 4 || item === 5 && item % 2 === 0)
		        )
		        .map(item => item + 1)
		    )
		}

		const demo_eval = eval(`array => array
		        .filter(item => (
		            item % 2 === 0 && item < 2
		        ) || (
		            item === 4 || item === 5 && item % 2 === 0)
		        )
		        .map(item => item + 1)`)
	};


	suite.add("all_(item => item + 1)", function () {
		all_(item => item + 1)
		.where(item => item % 2 === 0)
		.and(item => item < 2)
		.orWhere(item => item === 4 || item === 5)
		.and(item => item % 2 === 0)
		.from([0, 1, 2, 3, 4, 5])
	});

	suite.add("query.from([0, 1, 2, 3, 4, 5])", function () {
		query.from([0, 1, 2, 3, 4, 5])
	});

	suite.add("demo2()", function () {
		demo2()
	});

	suite.add("demo_eval([0, 1, 2, 3, 4, 5])", function () {
		demo_eval([0, 1, 2, 3, 4, 5])
	});

	suite.on("cycle", function (evt) {
		console.log(" - " + evt.target);
	});

	suite.on("complete", function (evt) {
		console.log(new Array(30).join("-"));

		var results = evt.currentTarget.sort(function (a, b) {
			return b.hz - a.hz;
		});

		results.forEach(function (item) {
			console.log((idx + 1) + ". " + item);
		});
	});

	console.log("query factory");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>query factory</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
	<script src="./suite.js"></script>
	</head>
	<body>
	<h1>Open the console to view the results</h1>
	<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
	</body>
	</html>
	"use strict";

	(function (factory) {
	if (typeof Benchmark !== "undefined") {
	factory(Benchmark);
	} else {
	factory(require("benchmark"));
	}
	})(function (Benchmark) {
	var suite = new Benchmark.Suite;

	Benchmark.prototype.setup = function () {
	const any = condition => values => {
	console.log('any', condition, values)
	for(let index = 0; index < values.length; index++) {
	if (condition(values[index]))
	return true
	}

	return false
	}

	const all_ = mapper => {
	let _array = []
	const _or_wheres = []
	let _where = undefined

	const andWhere = condition => {
	const previous_condition = _where
	_where = previous_condition === undefined
	? condition
	: item => previous_condition(item) && condition(item)
	return factory
	}

	const factory = {
	from: array => {
	return _where === undefined
	? array.map(mapper)
	// : array.filter(item => any(condition => condition(item), [..._or_wheres, _where])).map(mapper)
	: array.filter(item => {
	if (_where(item))
	return true;

	for (let index = 0; index < _or_wheres.length; index++) {
	if (_or_wheres[index](item))
	return true;
	}

	return false
	})
	},

	where: andWhere,
	and: andWhere,

	orWhere: condition => {
	_or_wheres.push(_where)
	_where = condition
	return factory
	}
	}

	return factory
	}

	const query = all_(item => item + 1)
	.where(item => item % 2 === 0)
	.and(item => item < 2)
	.orWhere(item => item === 4 \|\| item === 5)
	.and(item => item % 2 === 0)

	const demo = () => query.execute()

	const demo2 = () => {
	return (
	[0, 1, 2, 3, 4, 5]
	.filter(item => (
	item % 2 === 0 && item < 2
	) \|\| (
	item === 4 \|\| item === 5 && item % 2 === 0)
	)
	.map(item => item + 1)
	)
	}

	const demo_eval = eval(`array => array
	.filter(item => (
	item % 2 === 0 && item < 2
	) \|\| (
	item === 4 \|\| item === 5 && item % 2 === 0)
	)
	.map(item => item + 1)`)
	};


	suite.add("all_(item => item + 1)", function () {
	all_(item => item + 1)
	.where(item => item % 2 === 0)
	.and(item => item < 2)
	.orWhere(item => item === 4 \|\| item === 5)
	.and(item => item % 2 === 0)
	.from([0, 1, 2, 3, 4, 5])
	});

	suite.add("query.from([0, 1, 2, 3, 4, 5])", function () {
	query.from([0, 1, 2, 3, 4, 5])
	});

	suite.add("demo2()", function () {
	demo2()
	});

	suite.add("demo_eval([0, 1, 2, 3, 4, 5])", function () {
	demo_eval([0, 1, 2, 3, 4, 5])
	});

	suite.on("cycle", function (evt) {
	console.log(" - " + evt.target);
	});

	suite.on("complete", function (evt) {
	console.log(new Array(30).join("-"));

	var results = evt.currentTarget.sort(function (a, b) {
	return b.hz - a.hz;
	});

	results.forEach(function (item) {
	console.log((idx + 1) + ". " + item);
	});
	});

	console.log("query factory");
	console.log(new Array(30).join("-"));
	suite.run();
	});