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-rw-r--r--lib/wallet/checkable.ts262
1 files changed, 0 insertions, 262 deletions
diff --git a/lib/wallet/checkable.ts b/lib/wallet/checkable.ts
deleted file mode 100644
index 89d0c7150..000000000
--- a/lib/wallet/checkable.ts
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- This file is part of TALER
- (C) 2016 GNUnet e.V.
-
- TALER is free software; you can redistribute it and/or modify it under the
- terms of the GNU General Public License as published by the Free Software
- Foundation; either version 3, or (at your option) any later version.
-
- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along with
- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
- */
-
-
-"use strict";
-
-/**
- * Decorators for type-checking JSON into
- * an object.
- * @module Checkable
- * @author Florian Dold
- */
-
-export namespace Checkable {
-
- type Path = (number | string)[];
-
- interface SchemaErrorConstructor {
- new (err: string): SchemaError;
- }
-
- interface SchemaError {
- name: string;
- message: string;
- }
-
- interface Prop {
- propertyKey: any;
- checker: any;
- type: any;
- elementChecker?: any;
- elementProp?: any;
- }
-
- export let SchemaError = (function SchemaError(message: string) {
- this.name = 'SchemaError';
- this.message = message;
- this.stack = (<any>new Error()).stack;
- }) as any as SchemaErrorConstructor;
-
-
- SchemaError.prototype = new Error;
-
- let chkSym = Symbol("checkable");
-
-
- function checkNumber(target: any, prop: Prop, path: Path): any {
- if ((typeof target) !== "number") {
- throw new SchemaError(`expected number for ${path}`);
- }
- return target;
- }
-
-
- function checkString(target: any, prop: Prop, path: Path): any {
- if (typeof target !== "string") {
- throw new SchemaError(`expected string for ${path}, got ${typeof target} instead`);
- }
- return target;
- }
-
-
- function checkAnyObject(target: any, prop: Prop, path: Path): any {
- if (typeof target !== "object") {
- throw new SchemaError(`expected (any) object for ${path}, got ${typeof target} instead`);
- }
- return target;
- }
-
-
- function checkAny(target: any, prop: Prop, path: Path): any {
- return target;
- }
-
-
- function checkList(target: any, prop: Prop, path: Path): any {
- if (!Array.isArray(target)) {
- throw new SchemaError(`array expected for ${path}, got ${typeof target} instead`);
- }
- for (let i = 0; i < target.length; i++) {
- let v = target[i];
- prop.elementChecker(v, prop.elementProp, path.concat([i]));
- }
- return target;
- }
-
-
- function checkOptional(target: any, prop: Prop, path: Path): any {
- console.assert(prop.propertyKey);
- prop.elementChecker(target,
- prop.elementProp,
- path.concat([prop.propertyKey]));
- return target;
- }
-
-
- function checkValue(target: any, prop: Prop, path: Path): any {
- let type = prop.type;
- if (!type) {
- throw Error(`assertion failed (prop is ${JSON.stringify(prop)})`);
- }
- let v = target;
- if (!v || typeof v !== "object") {
- throw new SchemaError(
- `expected object for ${path.join(".")}, got ${typeof v} instead`);
- }
- let props = type.prototype[chkSym].props;
- let remainingPropNames = new Set(Object.getOwnPropertyNames(v));
- let obj = new type();
- for (let prop of props) {
- if (!remainingPropNames.has(prop.propertyKey)) {
- if (prop.optional) {
- continue;
- }
- throw new SchemaError("Property missing: " + prop.propertyKey);
- }
- if (!remainingPropNames.delete(prop.propertyKey)) {
- throw new SchemaError("assertion failed");
- }
- let propVal = v[prop.propertyKey];
- obj[prop.propertyKey] = prop.checker(propVal,
- prop,
- path.concat([prop.propertyKey]));
- }
-
- if (remainingPropNames.size != 0) {
- throw new SchemaError("superfluous properties " + JSON.stringify(Array.from(
- remainingPropNames.values())));
- }
- return obj;
- }
-
-
- export function Class(target: any) {
- target.checked = (v: any) => {
- return checkValue(v, {
- propertyKey: "(root)",
- type: target,
- checker: checkValue
- }, ["(root)"]);
- };
- return target;
- }
-
-
- export function Value(type: any) {
- if (!type) {
- throw Error("Type does not exist yet (wrong order of definitions?)");
- }
- function deco(target: Object, propertyKey: string | symbol): void {
- let chk = mkChk(target);
- chk.props.push({
- propertyKey: propertyKey,
- checker: checkValue,
- type: type
- });
- }
-
- return deco;
- }
-
-
- export function List(type: any) {
- let stub = {};
- type(stub, "(list-element)");
- let elementProp = mkChk(stub).props[0];
- let elementChecker = elementProp.checker;
- if (!elementChecker) {
- throw Error("assertion failed");
- }
- function deco(target: Object, propertyKey: string | symbol): void {
- let chk = mkChk(target);
- chk.props.push({
- elementChecker,
- elementProp,
- propertyKey: propertyKey,
- checker: checkList,
- });
- }
-
- return deco;
- }
-
-
- export function Optional(type: any) {
- let stub = {};
- type(stub, "(optional-element)");
- let elementProp = mkChk(stub).props[0];
- let elementChecker = elementProp.checker;
- if (!elementChecker) {
- throw Error("assertion failed");
- }
- function deco(target: Object, propertyKey: string | symbol): void {
- let chk = mkChk(target);
- chk.props.push({
- elementChecker,
- elementProp,
- propertyKey: propertyKey,
- checker: checkOptional,
- optional: true,
- });
- }
-
- return deco;
- }
-
-
- export function Number(target: Object, propertyKey: string | symbol): void {
- let chk = mkChk(target);
- chk.props.push({ propertyKey: propertyKey, checker: checkNumber });
- }
-
-
- export function AnyObject(target: Object,
- propertyKey: string | symbol): void {
- let chk = mkChk(target);
- chk.props.push({
- propertyKey: propertyKey,
- checker: checkAnyObject
- });
- }
-
-
- export function Any(target: Object,
- propertyKey: string | symbol): void {
- let chk = mkChk(target);
- chk.props.push({
- propertyKey: propertyKey,
- checker: checkAny,
- optional: true
- });
- }
-
-
- export function String(target: Object, propertyKey: string | symbol): void {
- let chk = mkChk(target);
- chk.props.push({ propertyKey: propertyKey, checker: checkString });
- }
-
-
- function mkChk(target: any) {
- let chk = target[chkSym];
- if (!chk) {
- chk = { props: [] };
- target[chkSym] = chk;
- }
- return chk;
- }
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-07 15:10:56 +0000