tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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private-meth-static-obj-ptrn-prop-obj.js (2831B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-prop-obj.case
      3 // - src/dstr-binding/default/cls-decl-private-meth-static.template
      4 /*---
      5 description: Object binding pattern with "nested" object binding pattern not using initializer (private static class expression method)
      6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation
      7 features: [class, class-static-methods-private, destructuring-binding]
      8 flags: [generated]
      9 info: |
     10    ClassDeclaration : class BindingIdentifier ClassTail
     11 
     12    1. Let className be StringValue of BindingIdentifier.
     13    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
     14       argument className.
     15    [...]
     16 
     17    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     18 
     19    21. For each ClassElement m in order from methods
     20        a. If IsStatic of m is false, then
     21        b. Else,
     22           Let status be the result of performing PropertyDefinitionEvaluation for
     23           m with arguments F and false.
     24    [...]
     25 
     26    14.3.8 Runtime Semantics: DefineMethod
     27 
     28    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
     29 
     30    [...]
     31    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
     32       scope, strict). If functionPrototype was passed as a parameter then pass its
     33       value as the functionPrototype optional argument of FunctionCreate.
     34    [...]
     35 
     36    9.2.1 [[Call]] ( thisArgument, argumentsList)
     37 
     38    [...]
     39    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     40    [...]
     41 
     42    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     43 
     44    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     45    [...]
     46 
     47    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     48 
     49    [...]
     50    23. Let iteratorRecord be Record {[[iterator]]:
     51        CreateListIterator(argumentsList), [[done]]: false}.
     52    24. If hasDuplicates is true, then
     53        [...]
     54    25. Else,
     55        b. Let formalStatus be IteratorBindingInitialization for formals with
     56           iteratorRecord and env as arguments.
     57    [...]
     58 
     59    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
     60 
     61    [...]
     62    3. If Initializer is present and v is undefined, then
     63       [...]
     64    4. Return the result of performing BindingInitialization for BindingPattern
     65       passing v and environment as arguments.
     66 ---*/
     67 
     68 var callCount = 0;
     69 class C {
     70  static #method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
     71    assert.sameValue(x, undefined);
     72    assert.sameValue(y, undefined);
     73    assert.sameValue(z, 7);
     74 
     75    assert.throws(ReferenceError, function() {
     76      w;
     77    });
     78    callCount = callCount + 1;
     79  }
     80 
     81  static get method() {
     82    return this.#method;
     83  }
     84 };
     85 
     86 C.method({ w: { x: undefined, z: 7 } });
     87 assert.sameValue(callCount, 1, 'method invoked exactly once');
     88 
     89 reportCompare(0, 0);