Target Node.js 6 and modern browsers

.travis.yml

@@ -2,4 +2,3 @@ language: node_js
 node_js:
   - '8'
   - '6'
-  - '4'

index.js

@@ -1,52 +1,49 @@
 'use strict';
-var strictUriEncode = require('strict-uri-encode');
-var objectAssign = require('object-assign');
-var decodeComponent = require('decode-uri-component');
+const strictUriEncode = require('strict-uri-encode');
+const decodeComponent = require('decode-uri-component');
 
-function encoderForArrayFormat(opts) {
-	switch (opts.arrayFormat) {
+function encoderForArrayFormat(options) {
+	switch (options.arrayFormat) {
 		case 'index':
-			return function (key, value, index) {
+			return (key, value, index) => {
 				return value === null ? [
-					encode(key, opts),
+					encode(key, options),
 					'[',
 					index,
 					']'
 				].join('') : [
-					encode(key, opts),
+					encode(key, options),
 					'[',
-					encode(index, opts),
+					encode(index, options),
 					']=',
-					encode(value, opts)
+					encode(value, options)
 				].join('');
 			};
-
 		case 'bracket':
-			return function (key, value) {
-				return value === null ? encode(key, opts) : [
-					encode(key, opts),
+			return (key, value) => {
+				return value === null ? encode(key, options) : [
+					encode(key, options),
 					'[]=',
-					encode(value, opts)
+					encode(value, options)
 				].join('');
 			};
-
 		default:
-			return function (key, value) {
-				return value === null ? encode(key, opts) : [
-					encode(key, opts),
+			return (key, value) => {
+				return value === null ? encode(key, options) : [
+					encode(key, options),
 					'=',
-					encode(value, opts)
+					encode(value, options)
 				].join('');
 			};
 	}
 }
 
-function parserForArrayFormat(opts) {
-	var result;
+function parserForArrayFormat(options) {
+	let result;
 
-	switch (opts.arrayFormat) {
+	switch (options.arrayFormat) {
 		case 'index':
-			return function (key, value, accumulator) {
+			return (key, value, accumulator) => {
 				result = /\[(\d*)\]$/.exec(key);
 
 				key = key.replace(/\[\d*\]$/, '');
@@ -62,25 +59,25 @@ function parserForArrayFormat(opts) {
 
 				accumulator[key][result[1]] = value;
 			};
-
 		case 'bracket':
-			return function (key, value, accumulator) {
+			return (key, value, accumulator) => {
 				result = /(\[\])$/.exec(key);
 				key = key.replace(/\[\]$/, '');
 
 				if (!result) {
 					accumulator[key] = value;
 					return;
-				} else if (accumulator[key] === undefined) {
+				}
+
+				if (accumulator[key] === undefined) {
 					accumulator[key] = [value];
 					return;
 				}
 
 				accumulator[key] = [].concat(accumulator[key], value);
 			};
-
 		default:
-			return function (key, value, accumulator) {
+			return (key, value, accumulator) => {
 				if (accumulator[key] === undefined) {
 					accumulator[key] = value;
 					return;
@@ -91,9 +88,9 @@ function parserForArrayFormat(opts) {
 	}
 }
 
-function encode(value, opts) {
-	if (opts.encode) {
-		return opts.strict ? strictUriEncode(value) : encodeURIComponent(value);
+function encode(value, options) {
+	if (options.encode) {
+		return options.strict ? strictUriEncode(value) : encodeURIComponent(value);
 	}
 
 	return value;
@@ -102,65 +99,60 @@ function encode(value, opts) {
 function keysSorter(input) {
 	if (Array.isArray(input)) {
 		return input.sort();
-	} else if (typeof input === 'object') {
-		return keysSorter(Object.keys(input)).sort(function (a, b) {
-			return Number(a) - Number(b);
-		}).map(function (key) {
-			return input[key];
-		});
+	}
+
+	if (typeof input === 'object') {
+		return keysSorter(Object.keys(input))
+			.sort((a, b) => Number(a) - Number(b))
+			.map(key => input[key]);
 	}
 
 	return input;
 }
 
-function extract(str) {
-	var queryStart = str.indexOf('?');
+function extract(input) {
+	const queryStart = input.indexOf('?');
 	if (queryStart === -1) {
 		return '';
 	}
-	return str.slice(queryStart + 1);
+	return input.slice(queryStart + 1);
 }
 
-function parse(str, opts) {
-	opts = objectAssign({arrayFormat: 'none'}, opts);
+function parse(input, options) {
+	options = Object.assign({arrayFormat: 'none'}, options);
 
-	var formatter = parserForArrayFormat(opts);
+	const formatter = parserForArrayFormat(options);
 
 	// Create an object with no prototype
-	// https://github.com/sindresorhus/query-string/issues/47
-	var ret = Object.create(null);
+	const ret = Object.create(null);
 
-	if (typeof str !== 'string') {
+	if (typeof input !== 'string') {
 		return ret;
 	}
 
-	str = str.trim().replace(/^[?#&]/, '');
+	input = input.trim().replace(/^[?#&]/, '');
 
-	if (!str) {
+	if (!input) {
 		return ret;
 	}
 
-	str.split('&').forEach(function (param) {
-		var parts = param.replace(/\+/g, ' ').split('=');
-		// Firefox (pre 40) decodes `%3D` to `=`
-		// https://github.com/sindresorhus/query-string/pull/37
-		var key = parts.shift();
-		var val = parts.length > 0 ? parts.join('=') : undefined;
+	for (const param of input.split('&')) {
+		let [key, value] = param.replace(/\+/g, ' ').split('=');
 
-		// missing `=` should be `null`:
+		// Missing `=` should be `null`:
 		// http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters
-		val = val === undefined ? null : decodeComponent(val);
+		value = value === undefined ? null : decodeComponent(value);
 
-		formatter(decodeComponent(key), val, ret);
-	});
+		formatter(decodeComponent(key), value, ret);
+	}
 
-	return Object.keys(ret).sort().reduce(function (result, key) {
-		var val = ret[key];
-		if (Boolean(val) && typeof val === 'object' && !Array.isArray(val)) {
+	return Object.keys(ret).sort().reduce((result, key) => {
+		const value = ret[key];
+		if (Boolean(value) && typeof value === 'object' && !Array.isArray(value)) {
 			// Sort object keys, not values
-			result[key] = keysSorter(val);
+			result[key] = keysSorter(value);
 		} else {
-			result[key] = val;
+			result[key] = value;
 		}
 
 		return result;
@@ -170,55 +162,53 @@ function parse(str, opts) {
 exports.extract = extract;
 exports.parse = parse;
 
-exports.stringify = function (obj, opts) {
-	var defaults = {
+exports.stringify = (obj, options) => {
+	const defaults = {
 		encode: true,
 		strict: true,
 		arrayFormat: 'none'
 	};
 
-	opts = objectAssign(defaults, opts);
+	options = Object.assign(defaults, options);
 
-	if (opts.sort === false) {
-		opts.sort = function () {};
+	if (options.sort === false) {
+		options.sort = () => {};
 	}
 
-	var formatter = encoderForArrayFormat(opts);
+	const formatter = encoderForArrayFormat(options);
 
-	return obj ? Object.keys(obj).sort(opts.sort).map(function (key) {
-		var val = obj[key];
+	return obj ? Object.keys(obj).sort(options.sort).map(key => {
+		const value = obj[key];
 
-		if (val === undefined) {
+		if (value === undefined) {
 			return '';
 		}
 
-		if (val === null) {
-			return encode(key, opts);
+		if (value === null) {
+			return encode(key, options);
 		}
 
-		if (Array.isArray(val)) {
-			var result = [];
+		if (Array.isArray(value)) {
+			const result = [];
 
-			val.slice().forEach(function (val2) {
-				if (val2 === undefined) {
-					return;
+			for (const value2 of value.slice()) {
+				if (value2 === undefined) {
+					continue;
 				}
 
-				result.push(formatter(key, val2, result.length));
-			});
+				result.push(formatter(key, value2, result.length));
+			}
 
 			return result.join('&');
 		}
 
-		return encode(key, opts) + '=' + encode(val, opts);
-	}).filter(function (x) {
-		return x.length > 0;
-	}).join('&') : '';
+		return encode(key, options) + '=' + encode(value, options);
+	}).filter(x => x.length > 0).join('&') : '';
 };
 
-exports.parseUrl = function (str, opts) {
+exports.parseUrl = (input, options) => {
 	return {
-		url: str.split('?')[0] || '',
-		query: parse(extract(str), opts)
+		url: input.split('?')[0] || '',
+		query: parse(extract(input), options)
 	};
 };

package.json

@@ -10,7 +10,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=0.10.0"
+		"node": ">=6"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -27,19 +27,18 @@
 		"param",
 		"parameter",
 		"url",
-		"uri",
 		"parse",
 		"stringify",
 		"encode",
-		"decode"
+		"decode",
+		"searchparams"
 	],
 	"dependencies": {
 		"decode-uri-component": "^0.2.0",
-		"object-assign": "^4.1.0",
-		"strict-uri-encode": "^1.0.0"
+		"strict-uri-encode": "^2.0.0"
 	},
 	"devDependencies": {
-		"ava": "^0.17.0",
-		"xo": "^0.16.0"
+		"ava": "*",
+		"xo": "*"
 	}
 }

readme.md

@@ -15,6 +15,8 @@
 $ npm install query-string
 ```
 
+The latest version targets Node.js 6 or later and modern browsers. If you want support for older browsers, use version 5: `npm install query-string@5`.
+
 <a href="https://www.patreon.com/sindresorhus">
 	<img src="https://c5.patreon.com/external/logo/become_a_patron_button@2x.png" width="160">
 </a>

test/parse.js

@@ -72,10 +72,6 @@ test('query strings params including embedded `=`', t => {
 	t.deepEqual(m.parse('?param=https%3A%2F%2Fsomeurl%3Fid%3D2837'), {param: 'https://someurl?id=2837'});
 });
 
-test('query strings params including raw `=`', t => {
-	t.deepEqual(m.parse('?param=https://someurl?id=2837'), {param: 'https://someurl?id=2837'});
-});
-
 test('object properties', t => {
 	t.falsy(m.parse().prototype);
 	t.deepEqual(m.parse('hasOwnProperty=foo'), {hasOwnProperty: 'foo'});

test/stringify.js

@@ -54,8 +54,8 @@ test('should not encode undefined values', t => {
 test('should encode null values as just a key', t => {
 	t.is(m.stringify({
 		'x y z': null,
-		'abc': null,
-		'foo': 'baz'
+		abc: null,
+		foo: 'baz'
 	}), 'abc&foo=baz&x%20y%20z');
 });