24 lines
900 B
TypeScript
24 lines
900 B
TypeScript
import type { BytesLike } from './BytesLike.js';
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export function convertBytesLikeToUint8Array(data: BytesLike, encodeUTF8 = true): Uint8Array<ArrayBuffer> {
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if (data instanceof Uint8Array) {
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if (data.buffer instanceof ArrayBuffer && data.byteOffset === 0 && data.byteLength === data.buffer.byteLength) {
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return data;
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}
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return new Uint8Array(data) as Uint8Array<ArrayBuffer>;
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}
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if (data instanceof ArrayBuffer) {
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return new Uint8Array(data);
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}
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if (data instanceof DataView) {
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return new Uint8Array<ArrayBuffer>(data.buffer, data.byteOffset, data.byteLength);
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}
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if (typeof data === 'string') {
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if (encodeUTF8) {
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return new TextEncoder().encode(data);
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}
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return new Uint8Array(data.split('').map((s) => s.codePointAt(0) as number));
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}
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throw new Error('Unsupported BytesLike');
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}
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