You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
1.0 KiB
29 lines
1.0 KiB
"use strict"; |
|
Object.defineProperty(exports, "__esModule", { value: true }); |
|
const native_js_1 = require("./native.js"); |
|
const rng_js_1 = require("./rng.js"); |
|
const stringify_js_1 = require("./stringify.js"); |
|
function v4(options, buf, offset) { |
|
if (native_js_1.default.randomUUID && !buf && !options) { |
|
return native_js_1.default.randomUUID(); |
|
} |
|
options = options || {}; |
|
const rnds = options.random ?? options.rng?.() ?? (0, rng_js_1.default)(); |
|
if (rnds.length < 16) { |
|
throw new Error('Random bytes length must be >= 16'); |
|
} |
|
rnds[6] = (rnds[6] & 0x0f) | 0x40; |
|
rnds[8] = (rnds[8] & 0x3f) | 0x80; |
|
if (buf) { |
|
offset = offset || 0; |
|
if (offset < 0 || offset + 16 > buf.length) { |
|
throw new RangeError(`UUID byte range ${offset}:${offset + 15} is out of buffer bounds`); |
|
} |
|
for (let i = 0; i < 16; ++i) { |
|
buf[offset + i] = rnds[i]; |
|
} |
|
return buf; |
|
} |
|
return (0, stringify_js_1.unsafeStringify)(rnds); |
|
} |
|
exports.default = v4;
|
|
|