tiny-essentials
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Collection of small, essential scripts designed to be used across various projects. These simple utilities are crafted for speed, ease of use, and versatility.
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JavaScript
;
/**
* Parses the query string from a URL into a JSON object.
*
* - Supports `key=value` pairs.
* - Supports array syntax (`arr[]=1&arr[]=2`, or `arr[1]=x`).
* - Ignores fragments (`#`).
* - If no URL is passed, uses `window.location.href` by default.
*
* Examples:
* ```js
* queryUrlJSON('http://example.com/?name=John&colors[]=red&colors[]=blue');
* // => { name: 'John', colors: ['red', 'blue'] }
*
* queryUrlJSON('http://x.com/?arr[1]=a&arr[0]=b');
* // => { arr: ['b', 'a'] }
* ```
*
* @param {string} [url=location.href] - The full URL to parse.
* @returns {Object.<string, string|string[]>} A key-value object representing the parsed query.
* @deprecated
*/
function queryUrlJSON(url) {
if (!url) url = location.href;
var question = url.indexOf('?');
var hash = url.indexOf('#');
if (hash === -1 && question === -1) return {};
if (hash === -1) hash = url.length;
var query =
question === -1 || hash === question + 1
? url.substring(hash)
: url.substring(question + 1, hash);
/** @type {Record<string, *>} */
var result = {};
query.split('&').forEach((part) => {
if (!part) return;
part = part.split('+').join(' '); // replace every + with space, regexp-free version
var eq = part.indexOf('=');
var key = eq > -1 ? part.substr(0, eq) : part;
var val = eq > -1 ? decodeURIComponent(part.substr(eq + 1)) : '';
var from = key.indexOf('[');
if (from === -1) result[decodeURIComponent(key)] = val;
else {
var to = key.indexOf(']', from);
var index = decodeURIComponent(key.substring(from + 1, to));
key = decodeURIComponent(key.substring(0, from));
if (!result[key]) result[key] = [];
if (!index) result[key].push(val);
else result[key][index] = val;
}
});
return result;
}
module.exports = queryUrlJSON;