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74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-elem-obj-val-undef.case
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// - src/dstr-binding/error/cls-expr-async-gen-meth-static-dflt.template
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/*---
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description: Nested object destructuring with a value of `undefined` (static class expression async generator method (default parameter))
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esid: sec-class-definitions-runtime-semantics-evaluation
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features: [async-iteration]
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flags: [generated]
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info: |
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ClassExpression : class BindingIdentifieropt ClassTail
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1. If BindingIdentifieropt is not present, let className be undefined.
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2. Else, let className be StringValue of BindingIdentifier.
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3. Let value be the result of ClassDefinitionEvaluation of ClassTail
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with argument className.
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[...]
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14.5.14 Runtime Semantics: ClassDefinitionEvaluation
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21. For each ClassElement m in order from methods
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a. If IsStatic of m is false, then
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b. Else,
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Let status be the result of performing PropertyDefinitionEvaluation
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for m with arguments F and false.
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[...]
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Runtime Semantics: PropertyDefinitionEvaluation
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AsyncGeneratorMethod :
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async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
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{ AsyncGeneratorBody }
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1. Let propKey be the result of evaluating PropertyName.
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2. ReturnIfAbrupt(propKey).
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3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
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Otherwise let strict be false.
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4. Let scope be the running execution context's LexicalEnvironment.
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5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
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AsyncGeneratorBody, scope, strict).
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[...]
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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BindingElement : BindingPattern Initializeropt
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1. If iteratorRecord.[[done]] is false, then
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[...]
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e. Else
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i. Let v be IteratorValue(next).
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[...]
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4. Return the result of performing BindingInitialization of BindingPattern
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with v and environment as the arguments.
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13.3.3.5 Runtime Semantics: BindingInitialization
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BindingPattern : ObjectBindingPattern
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1. Let valid be RequireObjectCoercible(value).
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2. ReturnIfAbrupt(valid).
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---*/
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var C = class {
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static async *method([{ x }] = []) {
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}
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};
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var method = C.method;
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assert.throws(TypeError, function() {
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method();
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});
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