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61 lines
2.1 KiB
TypeScript
61 lines
2.1 KiB
TypeScript
/* eslint-disable @typescript-eslint/ban-types */
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/*
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* Copyright (C) 2020-2021 StApps
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {Injectable} from '@angular/core';
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/* eslint-disable @typescript-eslint/member-ordering, class-methods-use-this */
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export abstract class ThingTranslateParser {
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/**
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* Gets a value from an object given a keyPath
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* parser.getValueFromKeyPath(anObject, 'property.subarray[42].etc');
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*/
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abstract getValueFromKeyPath(instance: object, keyPath: string): unknown;
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}
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@Injectable()
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export class ThingTranslateDefaultParser extends ThingTranslateParser {
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getValueFromKeyPath(instance: object, keyPath: string): unknown {
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// keyPath = aproperty[0].anotherproperty["arrayproperty"][42].finalproperty
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let path = keyPath.replace(/["']'"/gim, '.');
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// path = aproperty[0].anotherproperty[.arrayproperty.][42].finalproperty
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path = path.replace(/[\[\]]/gim, '.');
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// path = aproperty.0..anotherproperty..arrayproperty...42..finalproperty
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// TODO
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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path = path.replace(/\.{2,}/gim, '.');
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// path = aproperty.0.anotherproperty.arrayproperty.42.finalproperty
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const keyPathChain = keyPath.split('.');
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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let property = instance as any;
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for (const key of keyPathChain) {
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property = property[key] ?? undefined;
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}
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return property;
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}
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}
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/**
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* TODO
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*/
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export function isDefined<T>(value?: T | null): value is T {
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return typeof value !== 'undefined' && value !== null;
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}
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