| 1 | // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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| 2 | // SPDX-License-Identifier: Apache-2.0
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| 3 | /**
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| 4 | * Calculate the total size of the data to be uploaded. The total size is not required for multipart upload, as it's
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| 5 | * only used in progress report.
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| 6 | */
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| 7 | const byteLength = (input) => {
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| 8 | if (input === null || input === undefined)
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| 9 | return 0;
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| 10 | if (typeof input === 'string') {
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| 11 | let len = input.length;
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| 12 | for (let i = len - 1; i >= 0; i--) {
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| 13 | const code = input.charCodeAt(i);
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| 14 | if (code > 0x7f && code <= 0x7ff)
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| 15 | len++;
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| 16 | else if (code > 0x7ff && code <= 0xffff)
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| 17 | len += 2;
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| 18 | if (code >= 0xdc00 && code <= 0xdfff)
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| 19 | i--; // trail surrogate
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| 20 | }
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| 21 | return len;
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| 22 | }
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| 23 | else if (typeof input.byteLength === 'number') {
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| 24 | // handles Uint8Array, ArrayBuffer, Buffer, and ArrayBufferView
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| 25 | return input.byteLength;
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| 26 | }
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| 27 | else if (typeof input.size === 'number') {
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| 28 | // handles browser File object
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| 29 | return input.size;
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| 30 | }
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| 31 | // TODO: support Node.js stream size when Node.js runtime is supported out-of-box.
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| 32 | return undefined;
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| 33 | };
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| 34 |
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| 35 | export { byteLength };
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| 36 | //# sourceMappingURL=byteLength.mjs.map
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