var element = this.toElementDescriptor(elementObject);
this.disallowProperty(elementObject, "finisher", "An element descriptor");
this.disallowProperty(elementObject, "extras", "An element descriptor");
return element;
}, this);
},
toElementDescriptor: function toElementDescriptor(elementObject) {
var kind = String(elementObject.kind);
if (kind !== "method" && kind !== "field") {
throw new TypeError('An element descriptor\'s .kind property must be either "method" or' + ' "field", but a decorator created an element descriptor with' + ' .kind "' + kind + '"');
throw new TypeError('An element descriptor\'s .placement property must be one of "static",' + ' "prototype" or "own", but a decorator created an element descriptor' + ' with .placement "' + placement + '"');
}
var descriptor = elementObject.descriptor;
this.disallowProperty(elementObject, "elements", "An element descriptor");
var element = {
kind: kind,
key: key,
placement: placement,
descriptor: Object.assign({}, descriptor)
};
if (kind !== "field") {
this.disallowProperty(elementObject, "initializer", "A method descriptor");
} else {
this.disallowProperty(descriptor, "get", "The property descriptor of a field descriptor");
this.disallowProperty(descriptor, "set", "The property descriptor of a field descriptor");
this.disallowProperty(descriptor, "value", "The property descriptor of a field descriptor");
element.initializer = elementObject.initializer;
}
return element;
},
toElementFinisherExtras: function toElementFinisherExtras(elementObject) {
var element = this.toElementDescriptor(elementObject);
var finisher = _optionalCallableProperty(elementObject, "finisher");
var extras = this.toElementDescriptors(elementObject.extras);
return {
element: element,
finisher: finisher,
extras: extras
};
},
fromClassDescriptor: function fromClassDescriptor(elements) {
toClassDescriptor: function toClassDescriptor(obj) {
var kind = String(obj.kind);
if (kind !== "class") {
throw new TypeError('A class descriptor\'s .kind property must be "class", but a decorator' + ' created a class descriptor with .kind "' + kind + '"');
}
this.disallowProperty(obj, "key", "A class descriptor");
this.disallowProperty(obj, "placement", "A class descriptor");
this.disallowProperty(obj, "descriptor", "A class descriptor");
this.disallowProperty(obj, "initializer", "A class descriptor");
this.disallowProperty(obj, "extras", "A class descriptor");
var finisher = _optionalCallableProperty(obj, "finisher");
var elements = this.toElementDescriptors(obj.elements);
return {
elements: elements,
finisher: finisher
};
},
runClassFinishers: function runClassFinishers(constructor, finishers) {
for (var i = 0; i < finishers.length; i++) {
var newConstructor = (0, finishers[i])(constructor);
if (newConstructor !== undefined) {
if (typeof newConstructor !== "function") {
throw new TypeError("Finishers must return a constructor.");
}
constructor = newConstructor;
}
}
return constructor;
},
disallowProperty: function disallowProperty(obj, name, objectType) {
if (obj[name] !== undefined) {
throw new TypeError(objectType + " can't have a ." + name + " property.");