1 files changed, 0 insertions, 417 deletions
diff --git a/src/util/checkable.ts b/src/util/checkable.ts
deleted file mode 100644
index 3c9fe5bc1..000000000
--- a/src/util/checkable.ts
+++ /dev/null
@@ -1,417 +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/>
- */
-
-
-/**
- * Decorators for validating JSON objects and converting them to a typed
- * object.
- *
- * The decorators are put onto classes, and the validation is done
- * via a static method that is filled in by the annotation.
- *
- * Example:
- * ```
- *  @Checkable.Class
- *  class Person {
- *    @Checkable.String
- *    name: string;
- *    @Checkable.Number
- *    age: number;
- *
- *    // Method will be implemented automatically
- *    static checked(obj: any): Person;
- *  }
- * ```
- */
-export namespace Checkable {
-
-  type Path = Array<number | string>;
-
-  interface SchemaErrorConstructor {
-    new (err: string): SchemaError;
-  }
-
-  interface SchemaError {
-    name: string;
-    message: string;
-  }
-
-  interface Prop {
-    propertyKey: any;
-    checker: any;
-    type?: any;
-    typeThunk?: () => any;
-    elementChecker?: any;
-    elementProp?: any;
-    keyProp?: any;
-    stringChecker?: (s: string) => boolean;
-    valueProp?: any;
-    optional?: boolean;
-  }
-
-  interface CheckableInfo {
-    extraAllowed: boolean;
-    props: Prop[];
-  }
-
-  // tslint:disable-next-line:no-shadowed-variable
-  export const SchemaError = (function SchemaError(this: any, message: string) {
-    const that: any = this as any;
-    that.name = "SchemaError";
-    that.message = message;
-    that.stack = (new Error() as any).stack;
-  }) as any as SchemaErrorConstructor;
-
-
-  SchemaError.prototype = new Error();
-
-  /**
-   * Classes that are checkable are annotated with this
-   * checkable info symbol, which contains the information necessary
-   * to check if they're valid.
-   */
-  const checkableInfoSym = Symbol("checkableInfo");
-
-  /**
-   * Get the current property list for a checkable type.
-   */
-  function getCheckableInfo(target: any): CheckableInfo {
-    let chk = target[checkableInfoSym] as CheckableInfo|undefined;
-    if (!chk) {
-      chk = { props: [], extraAllowed: false };
-      target[checkableInfoSym] = chk;
-    }
-    return chk;
-  }
-
-
-  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`);
-    }
-    if (prop.stringChecker && !prop.stringChecker(target)) {
-      throw new SchemaError(`string property ${path} malformed`);
-    }
-    return target;
-  }
-
-  function checkBoolean(target: any, prop: Prop, path: Path): any {
-    if (typeof target !== "boolean") {
-      throw new SchemaError(`expected boolean 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++) {
-      const v = target[i];
-      prop.elementChecker(v, prop.elementProp, path.concat([i]));
-    }
-    return target;
-  }
-
-  function checkMap(target: any, prop: Prop, path: Path): any {
-    if (typeof target !== "object") {
-      throw new SchemaError(`expected object for ${path}, got ${typeof target} instead`);
-    }
-    for (const key in target) {
-      prop.keyProp.checker(key, prop.keyProp, path.concat([key]));
-      const value = target[key];
-      prop.valueProp.checker(value, prop.valueProp, path.concat([key]));
-    }
-    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;
-    if (prop.type) {
-     type = prop.type;
-    } else if (prop.typeThunk) {
-      type = prop.typeThunk();
-      if (!type) {
-        throw Error(`assertion failed: typeThunk returned null (prop is ${JSON.stringify(prop)})`);
-      }
-    } else {
-      throw Error(`assertion failed: type/typeThunk missing (prop is ${JSON.stringify(prop)})`);
-    }
-    const typeName = type.name || "??";
-    const v = target;
-    if (!v || typeof v !== "object") {
-      throw new SchemaError(
-        `expected object for ${path.join(".")}, got ${typeof v} instead`);
-    }
-    const chk = type.prototype[checkableInfoSym];
-    const props = chk.props;
-    const remainingPropNames = new Set(Object.getOwnPropertyNames(v));
-    const obj = new type();
-    for (const innerProp of props) {
-      if (!remainingPropNames.has(innerProp.propertyKey)) {
-        if (innerProp.optional) {
-          continue;
-        }
-        throw new SchemaError(`Property '${innerProp.propertyKey}' missing on '${path}' of '${typeName}'`);
-      }
-      if (!remainingPropNames.delete(innerProp.propertyKey)) {
-        throw new SchemaError("assertion failed");
-      }
-      const propVal = v[innerProp.propertyKey];
-      obj[innerProp.propertyKey] = innerProp.checker(propVal,
-        innerProp,
-        path.concat([innerProp.propertyKey]));
-    }
-
-    if (!chk.extraAllowed && remainingPropNames.size !== 0) {
-      const err = `superfluous properties ${JSON.stringify(Array.from(remainingPropNames.values()))} of ${typeName}`;
-      throw new SchemaError(err);
-    }
-    return obj;
-  }
-
-
-  /**
-   * Class with checkable annotations on fields.
-   * This annotation adds the implementation of the `checked`
-   * static method.
-   */
-  export function Class(opts: {extra?: boolean, validate?: boolean} = {}) {
-    return (target: any) => {
-      const chk = getCheckableInfo(target.prototype);
-      chk.extraAllowed = !!opts.extra;
-      target.checked = (v: any) => {
-        const cv = checkValue(v, {
-          checker: checkValue,
-          propertyKey: "(root)",
-          type: target,
-        }, ["(root)"]);
-        if (opts.validate) {
-          if (typeof target.validate !== "function") {
-            throw Error("invalid Checkable annotion: validate method required");
-          }
-          // May throw exception
-          target.validate(cv);
-        }
-        return cv;
-      };
-      return target;
-    };
-  }
-
-
-  /**
-   * Target property must be a Checkable object of the given type.
-   */
-  export function Value(typeThunk: () => any) {
-    function deco(target: object, propertyKey: string | symbol): void {
-      const chk = getCheckableInfo(target);
-      chk.props.push({
-        checker: checkValue,
-        propertyKey,
-        typeThunk,
-      });
-    }
-
-    return deco;
-  }
-
-
-  /**
-   * List of values that match the given annotation.  For example, `@Checkable.List(Checkable.String)` is
-   * an annotation for a list of strings.
-   */
-  export function List(type: any) {
-    const stub = {};
-    type(stub, "(list-element)");
-    const elementProp = getCheckableInfo(stub).props[0];
-    const elementChecker = elementProp.checker;
-    if (!elementChecker) {
-      throw Error("assertion failed");
-    }
-    function deco(target: object, propertyKey: string | symbol): void {
-      const chk = getCheckableInfo(target);
-      chk.props.push({
-        checker: checkList,
-        elementChecker,
-        elementProp,
-        propertyKey,
-      });
-    }
-
-    return deco;
-  }
-
-
-  /**
-   * Map from the key type to value type.  Takes two annotations,
-   * one for the key type and one for the value type.
-   */
-  export function Map(keyType: any, valueType: any) {
-    const keyStub = {};
-    keyType(keyStub, "(map-key)");
-    const keyProp = getCheckableInfo(keyStub).props[0];
-    if (!keyProp) {
-      throw Error("assertion failed");
-    }
-    const valueStub = {};
-    valueType(valueStub, "(map-value)");
-    const valueProp = getCheckableInfo(valueStub).props[0];
-    if (!valueProp) {
-      throw Error("assertion failed");
-    }
-    function deco(target: object, propertyKey: string | symbol): void {
-      const chk = getCheckableInfo(target);
-      chk.props.push({
-        checker: checkMap,
-        keyProp,
-        propertyKey,
-        valueProp,
-      });
-    }
-
-    return deco;
-  }
-
-
-  /**
-   * Makes another annotation optional, for example `@Checkable.Optional(Checkable.Number)`.
-   */
-  export function Optional(type: (target: object, propertyKey: string | symbol) => void | any) {
-    const stub = {};
-    type(stub, "(optional-element)");
-    const elementProp = getCheckableInfo(stub).props[0];
-    const elementChecker = elementProp.checker;
-    if (!elementChecker) {
-      throw Error("assertion failed");
-    }
-    function deco(target: object, propertyKey: string | symbol): void {
-      const chk = getCheckableInfo(target);
-      chk.props.push({
-        checker: checkOptional,
-        elementChecker,
-        elementProp,
-        optional: true,
-        propertyKey,
-      });
-    }
-
-    return deco;
-  }
-
-
-  /**
-   * Target property must be a number.
-   */
-  export function Number(): (target: object, propertyKey: string | symbol) => void {
-    const deco = (target: object, propertyKey: string | symbol) => {
-      const chk = getCheckableInfo(target);
-      chk.props.push({checker: checkNumber, propertyKey});
-    };
-    return deco;
-  }
-
-
-  /**
-   * Target property must be an arbitary object.
-   */
-  export function AnyObject(): (target: object, propertyKey: string | symbol) => void {
-    const deco = (target: object, propertyKey: string | symbol) => {
-      const chk = getCheckableInfo(target);
-      chk.props.push({
-        checker: checkAnyObject,
-        propertyKey,
-      });
-    };
-    return deco;
-  }
-
-
-  /**
-   * Target property can be anything.
-   *
-   * Not useful by itself, but in combination with higher-order annotations
-   * such as List or Map.
-   */
-  export function Any(): (target: object, propertyKey: string | symbol) => void {
-    const deco = (target: object, propertyKey: string | symbol) => {
-      const chk = getCheckableInfo(target);
-      chk.props.push({
-        checker: checkAny,
-        optional: true,
-        propertyKey,
-      });
-    };
-    return deco;
-  }
-
-
-  /**
-   * Target property must be a string.
-   */
-  export function String(
-    stringChecker?: (s: string) => boolean): (target: object, propertyKey: string | symbol,
-  ) => void {
-    const deco = (target: object, propertyKey: string | symbol) => {
-      const chk = getCheckableInfo(target);
-      chk.props.push({ checker: checkString, propertyKey, stringChecker });
-    };
-    return deco;
-  }
-
-  /**
-   * Target property must be a boolean value.
-   */
-  export function Boolean(): (target: object, propertyKey: string | symbol) => void {
-    const deco = (target: object, propertyKey: string | symbol) => {
-      const chk = getCheckableInfo(target);
-      chk.props.push({ checker: checkBoolean, propertyKey });
-    };
-    return deco;
-  }
-}