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30 lines
1.0 KiB
TypeScript
30 lines
1.0 KiB
TypeScript
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License. See License.txt in the project root for license information.
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/**
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* Encodes a string in base64 format.
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* @param value the string to encode
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*/
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export function encodeString(value: string): string {
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return Buffer.from(value).toString("base64");
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}
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/**
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* Encodes a byte array in base64 format.
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* @param value the Uint8Aray to encode
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*/
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export function encodeByteArray(value: Uint8Array): string {
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// Buffer.from accepts <ArrayBuffer> | <SharedArrayBuffer>-- the TypeScript definition is off here
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// https://nodejs.org/api/buffer.html#buffer_class_method_buffer_from_arraybuffer_byteoffset_length
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const bufferValue = value instanceof Buffer ? value : Buffer.from(value.buffer as ArrayBuffer);
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return bufferValue.toString("base64");
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}
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/**
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* Decodes a base64 string into a byte array.
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* @param value the base64 string to decode
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*/
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export function decodeString(value: string): Uint8Array {
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return Buffer.from(value, "base64");
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}
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