langsmith
Version:
Client library to connect to the LangSmith Observability and Evaluation Platform.
56 lines (55 loc) • 2.12 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.unsafeStringify = unsafeStringify;
const validate_js_1 = __importDefault(require("./validate.cjs"));
/**
* Convert array of 16 byte values to UUID string format of the form:
* XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
*/
const byteToHex = [];
for (let i = 0; i < 256; ++i) {
byteToHex.push((i + 0x100).toString(16).slice(1));
}
function unsafeStringify(arr, offset = 0) {
// Note: Be careful editing this code! It's been tuned for performance
// and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
//
// Note to future-self: No, you can't remove the `toLowerCase()` call.
// REF: https://github.com/uuidjs/uuid/pull/677#issuecomment-1757351351
return (byteToHex[arr[offset + 0]] +
byteToHex[arr[offset + 1]] +
byteToHex[arr[offset + 2]] +
byteToHex[arr[offset + 3]] +
"-" +
byteToHex[arr[offset + 4]] +
byteToHex[arr[offset + 5]] +
"-" +
byteToHex[arr[offset + 6]] +
byteToHex[arr[offset + 7]] +
"-" +
byteToHex[arr[offset + 8]] +
byteToHex[arr[offset + 9]] +
"-" +
byteToHex[arr[offset + 10]] +
byteToHex[arr[offset + 11]] +
byteToHex[arr[offset + 12]] +
byteToHex[arr[offset + 13]] +
byteToHex[arr[offset + 14]] +
byteToHex[arr[offset + 15]]).toLowerCase();
}
function stringify(arr, offset = 0) {
const uuid = unsafeStringify(arr, offset);
// Consistency check for valid UUID. If this throws, it's likely due to one
// of the following:
// - One or more input array values don't map to a hex octet (leading to
// "undefined" in the uuid)
// - Invalid input values for the RFC `version` or `variant` fields
if (!(0, validate_js_1.default)(uuid)) {
throw TypeError("Stringified UUID is invalid");
}
return uuid;
}
exports.default = stringify;