add hw2

node_modules/uuid/dist/cjs-browser/v4.js

@@ -0,0 +1,29 @@
+"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;