one
Version:
One is a React framework for web, iOS, and Android apps.
59 lines (57 loc) • 1.93 kB
JavaScript
function namedError(name, message) {
var error = new Error(message);
error.name = name;
return error;
}
function bufferSourceRange(data, verb) {
var buffer;
var offset = 0;
var 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(`${verb}: expected an ArrayBuffer or view.`);
}
new Uint8Array(buffer, offset, length);
return {
buffer,
offset,
length
};
}
function installDigestPolyfill(source) {
var target = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : globalThis;
var _crypto_subtle;
var crypto = target.crypto;
if (crypto == null || typeof ((_crypto_subtle = crypto.subtle) === null || _crypto_subtle === void 0 ? void 0 : _crypto_subtle.digest) === "function") return;
var digest = async function digest2(algorithm, data) {
var { buffer, offset, length } = bufferSourceRange(data, "crypto.subtle.digest");
var name;
if (algorithm !== null && (typeof algorithm === "object" || typeof algorithm === "function")) {
var value = algorithm.name;
if (value === void 0) {
throw new TypeError("crypto.subtle.digest: algorithm.name is required.");
}
name = `${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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