72 lines
1.6 KiB
TypeScript
72 lines
1.6 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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/* eslint-disable class-methods-use-this */
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import { Buffer } from 'buffer';
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export class Bytes {
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public fromBase64(value: string): Uint8Array {
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return Buffer.from(value, 'base64');
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}
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public fromHex(value: string): Uint8Array {
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return Buffer.from(value, 'hex');
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}
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// TODO(indutny): deprecate it
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public fromBinary(value: string): Uint8Array {
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return Buffer.from(value, 'binary');
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}
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public fromString(value: string): Uint8Array {
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return Buffer.from(value);
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}
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public toBase64(data: Uint8Array): string {
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return Buffer.from(data).toString('base64');
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}
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public toHex(data: Uint8Array): string {
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return Buffer.from(data).toString('hex');
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}
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// TODO(indutny): deprecate it
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public toBinary(data: Uint8Array): string {
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return Buffer.from(data).toString('binary');
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}
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public toString(data: Uint8Array): string {
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return Buffer.from(data).toString();
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}
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public byteLength(value: string): number {
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return Buffer.byteLength(value);
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}
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public concatenate(list: ReadonlyArray<Uint8Array>): Uint8Array {
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return Buffer.concat(list);
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}
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public isEmpty(data: Uint8Array | null | undefined): boolean {
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if (!data) {
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return true;
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}
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return data.length === 0;
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}
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public isNotEmpty(data: Uint8Array | null | undefined): data is Uint8Array {
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return !this.isEmpty(data);
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}
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public areEqual(
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a: Uint8Array | null | undefined,
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b: Uint8Array | null | undefined
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): boolean {
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if (!a || !b) {
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return !a && !b;
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}
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return Buffer.compare(a, b) === 0;
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}
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}
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