gatsby-query-params/dist/index.es.js

Get query params of the current URL in Gatsby

import { useEffect, useState } from 'react';

function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var strictUriEncode = str => encodeURIComponent(str).replace(/[!'()*]/g, x => `%${x.charCodeAt(0).toString(16).toUpperCase()}`);

var token = '%[a-f0-9]{2}';
var singleMatcher = new RegExp(token, 'gi');
var multiMatcher = new RegExp('(' + token + ')+', 'gi');

function decodeComponents(components, split) {
	try {
		// Try to decode the entire string first
		return decodeURIComponent(components.join(''));
	} catch (err) {
		// Do nothing
	}

	if (components.length === 1) {
		return components;
	}

	split = split || 1;

	// Split the array in 2 parts
	var left = components.slice(0, split);
	var right = components.slice(split);

	return Array.prototype.concat.call([], decodeComponents(left), decodeComponents(right));
}

function decode(input) {
	try {
		return decodeURIComponent(input);
	} catch (err) {
		var tokens = input.match(singleMatcher);

		for (var i = 1; i < tokens.length; i++) {
			input = decodeComponents(tokens, i).join('');

			tokens = input.match(singleMatcher);
		}

		return input;
	}
}

function customDecodeURIComponent(input) {
	// Keep track of all the replacements and prefill the map with the `BOM`
	var replaceMap = {
		'%FE%FF': '\uFFFD\uFFFD',
		'%FF%FE': '\uFFFD\uFFFD'
	};

	var match = multiMatcher.exec(input);
	while (match) {
		try {
			// Decode as big chunks as possible
			replaceMap[match[0]] = decodeURIComponent(match[0]);
		} catch (err) {
			var result = decode(match[0]);

			if (result !== match[0]) {
				replaceMap[match[0]] = result;
			}
		}

		match = multiMatcher.exec(input);
	}

	// Add `%C2` at the end of the map to make sure it does not replace the combinator before everything else
	replaceMap['%C2'] = '\uFFFD';

	var entries = Object.keys(replaceMap);

	for (var i = 0; i < entries.length; i++) {
		// Replace all decoded components
		var key = entries[i];
		input = input.replace(new RegExp(key, 'g'), replaceMap[key]);
	}

	return input;
}

var decodeUriComponent = function (encodedURI) {
	if (typeof encodedURI !== 'string') {
		throw new TypeError('Expected `encodedURI` to be of type `string`, got `' + typeof encodedURI + '`');
	}

	try {
		encodedURI = encodedURI.replace(/\+/g, ' ');

		// Try the built in decoder first
		return decodeURIComponent(encodedURI);
	} catch (err) {
		// Fallback to a more advanced decoder
		return customDecodeURIComponent(encodedURI);
	}
};

var splitOnFirst = (string, separator) => {
	if (!(typeof string === 'string' && typeof separator === 'string')) {
		throw new TypeError('Expected the arguments to be of type `string`');
	}

	if (separator === '') {
		return [string];
	}

	const separatorIndex = string.indexOf(separator);

	if (separatorIndex === -1) {
		return [string];
	}

	return [
		string.slice(0, separatorIndex),
		string.slice(separatorIndex + separator.length)
	];
};

var queryString = createCommonjsModule(function (module, exports) {




function encoderForArrayFormat(options) {
	switch (options.arrayFormat) {
		case 'index':
			return key => (result, value) => {
				const index = result.length;
				if (value === undefined || (options.skipNull && value === null)) {
					return result;
				}

				if (value === null) {
					return [...result, [encode(key, options), '[', index, ']'].join('')];
				}

				return [
					...result,
					[encode(key, options), '[', encode(index, options), ']=', encode(value, options)].join('')
				];
			};

		case 'bracket':
			return key => (result, value) => {
				if (value === undefined || (options.skipNull && value === null)) {
					return result;
				}

				if (value === null) {
					return [...result, [encode(key, options), '[]'].join('')];
				}

				return [...result, [encode(key, options), '[]=', encode(value, options)].join('')];
			};

		case 'comma':
		case 'separator':
			return key => (result, value) => {
				if (value === null || value === undefined || value.length === 0) {
					return result;
				}

				if (result.length === 0) {
					return [[encode(key, options), '=', encode(value, options)].join('')];
				}

				return [[result, encode(value, options)].join(options.arrayFormatSeparator)];
			};

		default:
			return key => (result, value) => {
				if (value === undefined || (options.skipNull && value === null)) {
					return result;
				}

				if (value === null) {
					return [...result, encode(key, options)];
				}

				return [...result, [encode(key, options), '=', encode(value, options)].join('')];
			};
	}
}

function parserForArrayFormat(options) {
	let result;

	switch (options.arrayFormat) {
		case 'index':
			return (key, value, accumulator) => {
				result = /\[(\d*)\]$/.exec(key);

				key = key.replace(/\[\d*\]$/, '');

				if (!result) {
					accumulator[key] = value;
					return;
				}

				if (accumulator[key] === undefined) {
					accumulator[key] = {};
				}

				accumulator[key][result[1]] = value;
			};

		case 'bracket':
			return (key, value, accumulator) => {
				result = /(\[\])$/.exec(key);
				key = key.replace(/\[\]$/, '');

				if (!result) {
					accumulator[key] = value;
					return;
				}

				if (accumulator[key] === undefined) {
					accumulator[key] = [value];
					return;
				}

				accumulator[key] = [].concat(accumulator[key], value);
			};

		case 'comma':
		case 'separator':
			return (key, value, accumulator) => {
				const isArray = typeof value === 'string' && value.split('').indexOf(options.arrayFormatSeparator) > -1;
				const newValue = isArray ? value.split(options.arrayFormatSeparator).map(item => decode(item, options)) : value === null ? value : decode(value, options);
				accumulator[key] = newValue;
			};

		default:
			return (key, value, accumulator) => {
				if (accumulator[key] === undefined) {
					accumulator[key] = value;
					return;
				}

				accumulator[key] = [].concat(accumulator[key], value);
			};
	}
}

function validateArrayFormatSeparator(value) {
	if (typeof value !== 'string' || value.length !== 1) {
		throw new TypeError('arrayFormatSeparator must be single character string');
	}
}

function encode(value, options) {
	if (options.encode) {
		return options.strict ? strictUriEncode(value) : encodeURIComponent(value);
	}

	return value;
}

function decode(value, options) {
	if (options.decode) {
		return decodeUriComponent(value);
	}

	return value;
}

function keysSorter(input) {
	if (Array.isArray(input)) {
		return input.sort();
	}

	if (typeof input === 'object') {
		return keysSorter(Object.keys(input))
			.sort((a, b) => Number(a) - Number(b))
			.map(key => input[key]);
	}

	return input;
}

function removeHash(input) {
	const hashStart = input.indexOf('#');
	if (hashStart !== -1) {
		input = input.slice(0, hashStart);
	}

	return input;
}

function getHash(url) {
	let hash = '';
	const hashStart = url.indexOf('#');
	if (hashStart !== -1) {
		hash = url.slice(hashStart);
	}

	return hash;
}

function extract(input) {
	input = removeHash(input);
	const queryStart = input.indexOf('?');
	if (queryStart === -1) {
		return '';
	}

	return input.slice(queryStart + 1);
}

function parseValue(value, options) {
	if (options.parseNumbers && !Number.isNaN(Number(value)) && (typeof value === 'string' && value.trim() !== '')) {
		value = Number(value);
	} else if (options.parseBooleans && value !== null && (value.toLowerCase() === 'true' || value.toLowerCase() === 'false')) {
		value = value.toLowerCase() === 'true';
	}

	return value;
}

function parse(input, options) {
	options = Object.assign({
		decode: true,
		sort: true,
		arrayFormat: 'none',
		arrayFormatSeparator: ',',
		parseNumbers: false,
		parseBooleans: false
	}, options);

	validateArrayFormatSeparator(options.arrayFormatSeparator);

	const formatter = parserForArrayFormat(options);

	// Create an object with no prototype
	const ret = Object.create(null);

	if (typeof input !== 'string') {
		return ret;
	}

	input = input.trim().replace(/^[?#&]/, '');

	if (!input) {
		return ret;
	}

	for (const param of input.split('&')) {
		let [key, value] = splitOnFirst(options.decode ? param.replace(/\+/g, ' ') : param, '=');

		// Missing `=` should be `null`:
		// http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters
		value = value === undefined ? null : options.arrayFormat === 'comma' ? value : decode(value, options);
		formatter(decode(key, options), value, ret);
	}

	for (const key of Object.keys(ret)) {
		const value = ret[key];
		if (typeof value === 'object' && value !== null) {
			for (const k of Object.keys(value)) {
				value[k] = parseValue(value[k], options);
			}
		} else {
			ret[key] = parseValue(value, options);
		}
	}

	if (options.sort === false) {
		return ret;
	}

	return (options.sort === true ? Object.keys(ret).sort() : Object.keys(ret).sort(options.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(value);
		} else {
			result[key] = value;
		}

		return result;
	}, Object.create(null));
}

exports.extract = extract;
exports.parse = parse;

exports.stringify = (object, options) => {
	if (!object) {
		return '';
	}

	options = Object.assign({
		encode: true,
		strict: true,
		arrayFormat: 'none',
		arrayFormatSeparator: ','
	}, options);

	validateArrayFormatSeparator(options.arrayFormatSeparator);

	const formatter = encoderForArrayFormat(options);

	const objectCopy = Object.assign({}, object);
	if (options.skipNull) {
		for (const key of Object.keys(objectCopy)) {
			if (objectCopy[key] === undefined || objectCopy[key] === null) {
				delete objectCopy[key];
			}
		}
	}

	const keys = Object.keys(objectCopy);

	if (options.sort !== false) {
		keys.sort(options.sort);
	}

	return keys.map(key => {
		const value = object[key];

		if (value === undefined) {
			return '';
		}

		if (value === null) {
			return encode(key, options);
		}

		if (Array.isArray(value)) {
			return value
				.reduce(formatter(key), [])
				.join('&');
		}

		return encode(key, options) + '=' + encode(value, options);
	}).filter(x => x.length > 0).join('&');
};

exports.parseUrl = (input, options) => {
	return {
		url: removeHash(input).split('?')[0] || '',
		query: parse(extract(input), options)
	};
};

exports.stringifyUrl = (input, options) => {
	const url = removeHash(input.url).split('?')[0] || '';
	const queryFromUrl = exports.extract(input.url);
	const parsedQueryFromUrl = exports.parse(queryFromUrl);
	const hash = getHash(input.url);
	const query = Object.assign(parsedQueryFromUrl, input.query);
	let queryString = exports.stringify(query, options);
	if (queryString) {
		queryString = `?${queryString}`;
	}

	return `${url}${queryString}${hash}`;
};
});
var queryString_1 = queryString.extract;
var queryString_2 = queryString.parse;
var queryString_3 = queryString.stringify;
var queryString_4 = queryString.parseUrl;
var queryString_5 = queryString.stringifyUrl;

var slicedToArray = function () {
  function sliceIterator(arr, i) {
    var _arr = [];
    var _n = true;
    var _d = false;
    var _e = undefined;

    try {
      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
        _arr.push(_s.value);

        if (i && _arr.length === i) break;
      }
    } catch (err) {
      _d = true;
      _e = err;
    } finally {
      try {
        if (!_n && _i["return"]) _i["return"]();
      } finally {
        if (_d) throw _e;
      }
    }

    return _arr;
  }

  return function (arr, i) {
    if (Array.isArray(arr)) {
      return arr;
    } else if (Symbol.iterator in Object(arr)) {
      return sliceIterator(arr, i);
    } else {
      throw new TypeError("Invalid attempt to destructure non-iterable instance");
    }
  };
}();

var getSearchParams = function getSearchParams() {
  var _useState = useState({}),
      _useState2 = slicedToArray(_useState, 2),
      searchParams = _useState2[0],
      setSearch = _useState2[1];

  var inBrowser = typeof document !== 'undefined';

  useEffect(function () {
    if (inBrowser) {
      setSearch(document.location.search ? queryString.parse(document.location.search) : {});
    }
  }, inBrowser ? [document.location.search] : []);

  return searchParams;
};

var useQueryParam = function useQueryParam(key, defaultState) {
  var searchParams = getSearchParams();
  return searchParams[key] ? searchParams[key] : defaultState ? defaultState : null;
};

export { getSearchParams, useQueryParam };
//# sourceMappingURL=index.es.js.map