field-array.jsx (1882B)
1 /* 2 GoToSocial 3 Copyright (C) GoToSocial Authors admin@gotosocial.org 4 SPDX-License-Identifier: AGPL-3.0-or-later 5 6 This program is free software: you can redistribute it and/or modify 7 it under the terms of the GNU Affero General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU Affero General Public License for more details. 15 16 You should have received a copy of the GNU Affero General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 "use strict"; 21 22 const React = require("react"); 23 24 const getFormMutations = require("./get-form-mutations"); 25 26 function parseFields(entries, length) { 27 const fields = []; 28 29 for (let i = 0; i < length; i++) { 30 if (entries[i] != undefined) { 31 fields[i] = Object.assign({}, entries[i]); 32 } else { 33 fields[i] = {}; 34 } 35 } 36 37 return fields; 38 } 39 40 module.exports = function useArrayInput({ name, _Name }, { initialValue, length = 0 }) { 41 const fields = React.useRef({}); 42 43 const value = React.useMemo(() => parseFields(initialValue, length), [initialValue, length]); 44 45 return { 46 name, 47 value, 48 ctx: fields.current, 49 maxLength: length, 50 selectedValues() { 51 // if any form field changed, we need to re-send everything 52 const hasUpdate = Object.values(fields.current).some((fieldSet) => { 53 const { updatedFields } = getFormMutations(fieldSet, { changedOnly: true }); 54 return updatedFields.length > 0; 55 }); 56 if (hasUpdate) { 57 return Object.values(fields.current).map((fieldSet) => { 58 return getFormMutations(fieldSet, { changedOnly: false }).mutationData; 59 }); 60 } else { 61 return []; 62 } 63 } 64 }; 65 };