Created
February 14, 2019 17:45
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Update query params in URI
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| export default function updateQuery(params) { | |
| window.location.search = encodeURIParams(mergeObjects(decodeURIParams(), params), true); | |
| }; | |
| function decodeURIParams(query) { | |
| if (query == null) { | |
| query = window.location.search; | |
| } | |
| if (query[0] == '?') { | |
| query = query.substring(1); | |
| } | |
| var params = query.split('&'); | |
| var result = {}; | |
| for (let i = 0; i < params.length; i++) { | |
| const param = params[i]; | |
| const pos = param.indexOf('='); | |
| if (pos >= 0) { | |
| const key = decodeURIComponent(param.substring(0, pos)); | |
| const val = decodeURIComponent(param.substring(pos + 1)); | |
| result[key] = val; | |
| } else { | |
| const key = decodeURIComponent(param); | |
| } | |
| } | |
| return result; | |
| } | |
| function encodeURIParams(params, addQuestionMark) { | |
| const pairs = []; | |
| for (const key in params) if (params.hasOwnProperty(key)) { | |
| const value = params[key]; | |
| if (value != null) /* matches null and undefined */ { | |
| pairs.push(encodeURIComponent(key) + '=' + encodeURIComponent(value)) | |
| } | |
| } | |
| if (pairs.length == 0) { | |
| return ''; | |
| } | |
| return (addQuestionMark ? '?' : '') + pairs.join('&'); | |
| } | |
| function mergeObjects(destination, source) { | |
| for (var key in source) if (source.hasOwnProperty(key)) { | |
| destination[key] = source[key]; | |
| } | |
| return destination; | |
| } |
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