open-next-cdk
Version:
Deploy a NextJS app using OpenNext packaging to serverless AWS using CDK
39 lines (38 loc) • 1.34 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Hash = void 0;
const util_buffer_from_1 = require("@smithy/util-buffer-from");
const util_utf8_1 = require("@smithy/util-utf8");
const buffer_1 = require("buffer");
const crypto_1 = require("crypto");
class Hash {
constructor(algorithmIdentifier, secret) {
this.algorithmIdentifier = algorithmIdentifier;
this.secret = secret;
this.reset();
}
update(toHash, encoding) {
this.hash.update((0, util_utf8_1.toUint8Array)(castSourceData(toHash, encoding)));
}
digest() {
return Promise.resolve(this.hash.digest());
}
reset() {
this.hash = this.secret
? (0, crypto_1.createHmac)(this.algorithmIdentifier, castSourceData(this.secret))
: (0, crypto_1.createHash)(this.algorithmIdentifier);
}
}
exports.Hash = Hash;
function castSourceData(toCast, encoding) {
if (buffer_1.Buffer.isBuffer(toCast)) {
return toCast;
}
if (typeof toCast === "string") {
return (0, util_buffer_from_1.fromString)(toCast, encoding);
}
if (ArrayBuffer.isView(toCast)) {
return (0, util_buffer_from_1.fromArrayBuffer)(toCast.buffer, toCast.byteOffset, toCast.byteLength);
}
return (0, util_buffer_from_1.fromArrayBuffer)(toCast);
}