tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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seal-proxy.js (522B)

      1 var called = [];
      2 var proxy = new Proxy({a: 1}, {
      3    getOwnPropertyDescriptor(target, P) {
      4        called.push("getOwnPropertyDescriptor");
      5        return Object.getOwnPropertyDescriptor(target, P);
      6    },
      7    defineProperty(target, P, desc) {
      8        called.push("defineProperty");
      9        assertEq(Object.getOwnPropertyNames(desc).length, 1);
     10        assertEq(desc.configurable, false);
     11        return Object.defineProperty(target, P, desc);
     12    }
     13 });
     14 
     15 Object.seal(proxy);
     16 assertEq(called.toString(), "defineProperty");