1 files changed, 0 insertions, 112 deletions
diff --git a/packages/taler-wallet-core/src/util/promiseUtils.ts b/packages/taler-wallet-core/src/util/promiseUtils.ts
deleted file mode 100644
index bc1e40260..000000000
--- a/packages/taler-wallet-core/src/util/promiseUtils.ts
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- This file is part of GNU Taler
- (C) 2019 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/>
- */
-
-/**
- * An opened promise.
- *
- * @see {@link openPromise}
- */
-export interface OpenedPromise<T> {
-  promise: Promise<T>;
-  resolve: (val: T) => void;
-  reject: (err: any) => void;
-  lastError?: any;
-}
-
-/**
- * Get an unresolved promise together with its extracted resolve / reject
- * function.
- *
- * Recent ECMAScript proposals also call this a promise capability.
- */
-export function openPromise<T>(): OpenedPromise<T> {
-  let resolve: ((x?: any) => void) | null = null;
-  let promiseReject: ((reason?: any) => void) | null = null;
-  const promise = new Promise<T>((res, rej) => {
-    resolve = res;
-    promiseReject = rej;
-  });
-  if (!(resolve && promiseReject)) {
-    // Never happens, unless JS implementation is broken
-    throw Error("JS implementation is broken");
-  }
-  const result: OpenedPromise<T> = { resolve, reject: promiseReject, promise };
-  function saveLastError(reason?: any) {
-    result.lastError = reason;
-    promiseReject!(reason);
-  }
-  result.reject = saveLastError;
-  return result;
-}
-
-export class AsyncCondition {
-  private promCap?: OpenedPromise<void> = undefined;
-  constructor() {}
-
-  wait(): Promise<void> {
-    if (!this.promCap) {
-      this.promCap = openPromise<void>();
-    }
-    return this.promCap.promise;
-  }
-
-  trigger(): void {
-    if (this.promCap) {
-      this.promCap.resolve();
-    }
-    this.promCap = undefined;
-  }
-}
-
-/**
- * Flag that can be raised to notify asynchronous waiters.
- *
- * You can think of it as a promise that can
- * be un-resolved.
- */
-export class AsyncFlag {
-  private promCap?: OpenedPromise<void> = undefined;
-  private internalFlagRaised: boolean = false;
-
-  constructor() {}
-
-  /**
-   * Wait until the flag is raised.
-   *
-   * Reset if before returning.
-   */
-  wait(): Promise<void> {
-    if (this.internalFlagRaised) {
-      return Promise.resolve();
-    }
-    if (!this.promCap) {
-      this.promCap = openPromise<void>();
-    }
-    return this.promCap.promise;
-  }
-
-  raise(): void {
-    this.internalFlagRaised = true;
-    if (this.promCap) {
-      this.promCap.resolve();
-    }
-  }
-
-  reset(): void {
-    this.internalFlagRaised = false;
-    this.promCap = undefined;
-  }
-}