tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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static-private-method-subclass-receiver.js (1175B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/class-elements/static-private-method-subclass-receiver.case
      3 // - src/class-elements/default/cls-expr.template
      4 /*---
      5 description: Static private methods on the super-class cannot be called with sub-class as the receiver (field definitions in a class expression)
      6 esid: prod-FieldDefinition
      7 features: [class-static-methods-private, class]
      8 flags: [generated]
      9 info: |
     10    PrivateFieldGet (P, O)
     11      1. Assert: P is a Private Name.
     12      2. If O is not an object, throw a TypeError exception.
     13      3. If P.[[Kind]] is "field",
     14          ...
     15      4. Perform ? PrivateBrandCheck(O, P).
     16      5. If P.[[Kind]] is "method",
     17        a. Return P.[[Value]].
     18      ...
     19 
     20    PrivateBrandCheck(O, P)
     21      1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
     22        a. Throw a TypeError exception.
     23 
     24 ---*/
     25 
     26 
     27 var C = class {
     28  static f() { return this.#g(); }
     29  static #g() { return 42; }
     30 
     31 }
     32 
     33 class D extends C {}
     34 assert.sameValue(C.f(), 42);
     35 assert.throws(TypeError, function() {
     36    D.f();
     37 }, 'D does not contain static private method #g');
     38 
     39 reportCompare(0, 0);