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/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
export class InputTransformer{static byHeader(t,e={}){return"Content-Type"in e&&e["Content-Type"].includes("application/json")?JSON.stringify(t):InputTransformer.toFormData(t)}static toFormData(t){const e=InputTransformer.filter(InputTransformer.flattenObject(t)),r=new FormData;for(const[t,n]of Object.entries(e))r.set(t,n);return r}static toSearchParams(t){if("string"==typeof t)return t;if(t instanceof Array)return t.join("&");const e=InputTransformer.filter(InputTransformer.flattenObject(t)),r=new URLSearchParams;for(const[t,n]of Object.entries(e))r.set(t,n);return decodeURI(r.toString())}static flattenObject(t,e=""){return Object.keys(t).reduce(((r,n)=>{const a=e.length?e+"[":"",o=e.length?"]":"";return"object"==typeof t[n]&&null!==t[n]?Object.assign(r,InputTransformer.flattenObject(t[n],a+n+o)):r[a+n+o]=t[n],r}),{})}static filter(t){return Object.keys(t).forEach((e=>{void 0===t[e]&&delete t[e]})),t}}