developit/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>bare-bones exhaust() vs ternary #jsbench #jsperf #jsbench #jsperf</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 configStrings_enabled = {
		    boost: {
		        support: 'show boosts'
		    }
		};
		const configStrings_disabled = {
		    boost: {
		        support: 'no boosts'
		    }
		};
		const configBooleans_enabled = {
		    boost: {
		        support: true
		    }
		};
		const configBooleans_disabled = {
		    boost: {
		        support: false
		    }
		};
		const x = { info: { foo: 'bar' } };


		function exhaust(key) {
		  return mapping => mapping[key]
		}


		function usingExhaust(config) {
		    return [
		        exhaust(config.boost.support)({
		            'no boosts': undefined,
		            'show boosts': h(InfoHeader, { x })
		        }),
		        exhaust(config.boost.support)({
		            'show boosts': undefined,
		            'no boosts': h(TextButton, null, x.name)
		        })
		    ];
		}

		function usingTernary(config) {
		    return [
		        config.boost.support === 'show boosts'
		            ? h(InfoHeader, { x })
		            : undefined,

		        config.boost.support === 'show boosts'
		            ? undefined
		            : h(TextButton, null, x.name)
		    ];
		}

		function usingTernaryBoolean(config) {
		    return [
		        config.boost.support
		            ? h(InfoHeader, { x })
		            : undefined,

		        !config.boost.support && h(TextButton, null, x.name)
		    ];
		}


		/** React.createElement */
		function h() {}

		/** Some fake components to reference */
		function TextButton() {}
		function InfoHeader() {}
	};


	suite.add("exhaust() version with strings in config", function () {
		// exhaust() version with strings in config
		usingExhaust(configStrings_enabled);
		usingExhaust(configStrings_enabled);
		usingExhaust(configStrings_disabled);
		usingExhaust(configStrings_disabled);
	});

	suite.add("ternary version with strings in config", function () {
		// ternary version with strings in config
		usingTernary(configStrings_enabled);
		usingTernary(configStrings_enabled);
		usingTernary(configStrings_disabled);
		usingTernary(configStrings_disabled);
	});

	suite.add("ternary version with booleans in config", function () {
		// ternary version with booleans in config
		usingTernaryBoolean(configBooleans_enabled);
		usingTernaryBoolean(configBooleans_enabled);
		usingTernaryBoolean(configBooleans_disabled);
		usingTernaryBoolean(configBooleans_disabled);
	});

	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("bare-bones exhaust() vs ternary #jsbench #jsperf #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>bare-bones exhaust() vs ternary #jsbench #jsperf #jsbench #jsperf</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 configStrings_enabled = {
	boost: {
	support: 'show boosts'
	}
	};
	const configStrings_disabled = {
	boost: {
	support: 'no boosts'
	}
	};
	const configBooleans_enabled = {
	boost: {
	support: true
	}
	};
	const configBooleans_disabled = {
	boost: {
	support: false
	}
	};
	const x = { info: { foo: 'bar' } };


	function exhaust(key) {
	return mapping => mapping[key]
	}



	function usingExhaust(config) {
	return [
	exhaust(config.boost.support)({
	'no boosts': undefined,
	'show boosts': h(InfoHeader, { x })
	}),
	exhaust(config.boost.support)({
	'show boosts': undefined,
	'no boosts': h(TextButton, null, x.name)
	})
	];
	}

	function usingTernary(config) {
	return [
	config.boost.support === 'show boosts'
	? h(InfoHeader, { x })
	: undefined,

	config.boost.support === 'show boosts'
	? undefined
	: h(TextButton, null, x.name)
	];
	}

	function usingTernaryBoolean(config) {
	return [
	config.boost.support
	? h(InfoHeader, { x })
	: undefined,

	!config.boost.support && h(TextButton, null, x.name)
	];
	}





	/** React.createElement */
	function h() {}

	/** Some fake components to reference */
	function TextButton() {}
	function InfoHeader() {}
	};


	suite.add("exhaust() version with strings in config", function () {
	// exhaust() version with strings in config
	usingExhaust(configStrings_enabled);
	usingExhaust(configStrings_enabled);
	usingExhaust(configStrings_disabled);
	usingExhaust(configStrings_disabled);
	});

	suite.add("ternary version with strings in config", function () {
	// ternary version with strings in config
	usingTernary(configStrings_enabled);
	usingTernary(configStrings_enabled);
	usingTernary(configStrings_disabled);
	usingTernary(configStrings_disabled);
	});

	suite.add("ternary version with booleans in config", function () {
	// ternary version with booleans in config
	usingTernaryBoolean(configBooleans_enabled);
	usingTernaryBoolean(configBooleans_enabled);
	usingTernaryBoolean(configBooleans_disabled);
	usingTernaryBoolean(configBooleans_disabled);
	});

	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("bare-bones exhaust() vs ternary #jsbench #jsperf #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
	});