one/dist/esm/platform/crypto/digest.mjs

One is a React framework for web, iOS, and Android apps.

function namedError(name, message) {
	const error = new Error(message);
	error.name = name;
	return error;
}
function bufferSourceRange(data, verb) {
	let buffer;
	let offset = 0;
	let length;
	if (data instanceof ArrayBuffer) {
		buffer = data;
		length = data.byteLength;
	} else if (ArrayBuffer.isView(data) && data.buffer instanceof ArrayBuffer) {
		buffer = data.buffer;
		offset = data.byteOffset;
		length = data.byteLength;
	} else {
		throw new TypeError(`${verb}: expected an ArrayBuffer or view.`);
	}
	new Uint8Array(buffer, offset, length);
	return {
		buffer,
		offset,
		length
	};
}
function installDigestPolyfill(source, target = globalThis) {
	const crypto = target.crypto;
	if (crypto == null || typeof crypto.subtle?.digest === "function") return;
	const digest = async (algorithm, data) => {
		const { buffer, offset, length } = bufferSourceRange(data, "crypto.subtle.digest");
		let name;
		if (algorithm !== null && (typeof algorithm === "object" || typeof algorithm === "function")) {
			const value = algorithm.name;
			if (value === void 0) {
				throw new TypeError("crypto.subtle.digest: algorithm.name is required.");
			}
			name = `${value}`;
		} else {
			name = `${algorithm}`;
		}
		if (!/^sha-(1|256|384|512)$/i.test(name)) {
			throw namedError("NotSupportedError", `Unsupported digest algorithm: ${name}.`);
		}
		try {
			return await source(name.toUpperCase(), buffer, offset, length);
		} catch (error) {
			throw namedError("OperationError", error instanceof Error ? error.message : "Native digest failed.");
		}
	};
	if (crypto.subtle == null) crypto.subtle = { digest };
	else crypto.subtle.digest = digest;
}

export { bufferSourceRange, installDigestPolyfill };
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