taler/wallet-core
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make TextEncoder/Decoder creation lazy for polyfill to work

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This commit is contained in:
Florian Dold 2021-07-13 14:10:38 +02:00
parent 50bbaa40db
commit e2287d6d5b
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GPG Key ID: D2E4F00F29D02A4B
2 changed files with 15 additions and 13 deletions
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2
packages/taler-wallet-cli/src/index.ts
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@ -19,7 +19,6 @@
*/
import os from "os";
import fs from "fs";
import * as clk from "./clk.js";
import { deepStrictEqual } from "assert";
// Polyfill for encoding which isn't present globally in older nodejs versions
import { TextEncoder, TextDecoder } from "util";
@ -27,6 +26,7 @@ import { TextEncoder, TextDecoder } from "util";
global.TextEncoder = TextEncoder;
// @ts-ignore
global.TextDecoder = TextDecoder;
import * as clk from "./clk.js";
import { getTestInfo, runTests } from "./integrationtests/testrunner.js";
import {
PreparePayResultType,

26
packages/taler-wallet-core/src/crypto/talerCrypto.ts
View File

@ -18,22 +18,13 @@
* Native implementation of GNU Taler crypto.
*/
/**
* Imports.
*/
import * as nacl from "./primitives/nacl-fast.js";
import bigint from "big-integer";
import { kdf } from "./primitives/kdf.js";
// @ts-ignore
const decoder = new TextDecoder();
if (typeof decoder !== "object") {
throw Error("FATAL: TextDecoder not available");
}
// @ts-ignore
const encoder = new TextEncoder();
if (typeof encoder !== "object") {
throw Error("FATAL: TextEncoder not available");
}
export function getRandomBytes(n: number): Uint8Array {
return nacl.randomBytes(n);
}
@ -203,11 +194,22 @@ function kdfMod(
}
}
let encoder: any;
let decoder: any;
export function stringToBytes(s: string): Uint8Array {
if (!encoder) {
// @ts-ignore
encoder = new TextEncoder();
}
return encoder.encode(s);
}
export function bytesToString(b: Uint8Array): string {
if (!decoder) {
// @ts-ignore
decoder = new TextDecoder();
}
return decoder.decode(b);
}