88 lines
2.1 KiB
TypeScript
88 lines
2.1 KiB
TypeScript
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/*
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This file is part of TALER
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(C) 2016 GNUnet e.V.
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
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*/
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"use strict";
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/**
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* Decorators for type-checking JSON into
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* an object.
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* @module Checkable
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* @author Florian Dold
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*/
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namespace Checkable {
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let chkSym = Symbol("checkable");
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function checkNumber(target, prop) {
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return true;
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}
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function checkString(target, prop) {
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return true;
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}
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export function Class(target) {
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target.checked = (v) => {
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let props = target.prototype[chkSym].props;
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console.log("hello, world");
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let remainingPropNames = new Set(Object.getOwnPropertyNames(v));
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for (let prop of props) {
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remainingPropNames.delete(prop);
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console.log("prop", prop);
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}
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if (remainingPropNames.size != 0) {
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throw Error("superfluous properties " + JSON.stringify(remainingPropNames.values()));
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}
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};
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return target;
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}
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export function Value(type) {
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function deco(target) {
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}
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return deco;
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}
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export function List(type) {
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function deco(target) {
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}
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return deco;
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}
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export function Number(target: Object, propertyKey: string | symbol): void {
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let chk = target[chkSym];
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if (!chk) {
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chk = {props: []};
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target[chkSym] = chk;
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}
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chk.props.push({propertyKey: propertyKey, checker: checkNumber});
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}
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export function String(target: Object, propertyKey: string | symbol): void {
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let chk = target[chkSym];
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if (!chk) {
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chk = {props: []};
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target[chkSym] = chk;
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}
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chk.props.push({propertyKey: propertyKey, checker: checkString});
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}
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}
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