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_internal/editor/esm/vs/base/common/uuid.js

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+export const generateUuid = (function () {
+    // use `randomUUID` if possible
+    if (typeof crypto.randomUUID === 'function') {
+        // see https://developer.mozilla.org/en-US/docs/Web/API/Window/crypto
+        // > Although crypto is available on all windows, the returned Crypto object only has one
+        // > usable feature in insecure contexts: the getRandomValues() method.
+        // > In general, you should use this API only in secure contexts.
+        return crypto.randomUUID.bind(crypto);
+    }
+    // prep-work
+    const _data = new Uint8Array(16);
+    const _hex = [];
+    for (let i = 0; i < 256; i++) {
+        _hex.push(i.toString(16).padStart(2, '0'));
+    }
+    return function generateUuid() {
+        // get data
+        crypto.getRandomValues(_data);
+        // set version bits
+        _data[6] = (_data[6] & 0x0f) | 0x40;
+        _data[8] = (_data[8] & 0x3f) | 0x80;
+        // print as string
+        let i = 0;
+        let result = '';
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += '-';
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += '-';
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += '-';
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += '-';
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        result += _hex[_data[i++]];
+        return result;
+    };
+})();
+/** Namespace should be 3 letter. */
+export function prefixedUuid(namespace) {
+    return `${namespace}-${generateUuid()}`;
+}
+//# sourceMappingURL=uuid.js.map