38 lines
No EOL
1.9 KiB
JavaScript
38 lines
No EOL
1.9 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = void 0;
|
|
exports.unsafeStringify = unsafeStringify;
|
|
var _validate = _interopRequireDefault(require("./validate.js"));
|
|
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
|
|
/**
|
|
* 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.default)(uuid)) {
|
|
throw TypeError('Stringified UUID is invalid');
|
|
}
|
|
return uuid;
|
|
}
|
|
var _default = exports.default = stringify; |