| 1 | // Copyright (c) Microsoft Corporation. All rights reserved.
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| 2 | // Licensed under the MIT License. See License.txt in the project root for license information.
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| 3 |
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| 4 | /**
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| 5 | * Encodes a string in base64 format.
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| 6 | * @param value the string to encode
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| 7 | */
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| 8 | export function encodeString(value: string): string {
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| 9 | return Buffer.from(value).toString("base64");
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| 10 | }
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| 11 |
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| 12 | /**
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| 13 | * Encodes a byte array in base64 format.
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| 14 | * @param value the Uint8Aray to encode
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| 15 | */
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| 16 | export function encodeByteArray(value: Uint8Array): string {
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| 17 | // Buffer.from accepts <ArrayBuffer> | <SharedArrayBuffer>-- the TypeScript definition is off here
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| 18 | // https://nodejs.org/api/buffer.html#buffer_class_method_buffer_from_arraybuffer_byteoffset_length
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| 19 | const bufferValue = value instanceof Buffer ? value : Buffer.from(value.buffer as ArrayBuffer);
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| 20 | return bufferValue.toString("base64");
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| 21 | }
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| 22 |
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| 23 | /**
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| 24 | * Decodes a base64 string into a byte array.
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| 25 | * @param value the base64 string to decode
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| 26 | */
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| 27 | export function decodeString(value: string): Uint8Array {
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| 28 | return Buffer.from(value, "base64");
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| 29 | }
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