var handleMandatorySetter = function handleMandatorySetter(m, obj, keyName) {
var descriptor = Object.getOwnPropertyDescriptor && Object.getOwnPropertyDescriptor(obj, keyName);
var configurable = descriptor ? descriptor.configurable : true;
var isWritable = descriptor ? descriptor.writable : true;
var hasValue = descriptor ? 'value' in descriptor : true;
var possibleDesc = descriptor && descriptor.value;
var isDescriptor = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor;
if (isDescriptor) { return; }
// this x in Y deopts, so keeping it in this function is better;
if (configurable && isWritable && hasValue && keyName in obj) {
m.values[keyName] = obj[keyName];
o_defineProperty(obj, keyName, {
configurable: true,
enumerable: Object.prototype.propertyIsEnumerable.call(obj, keyName),
set: MANDATORY_SETTER_FUNCTION(keyName),
get: DEFAULT_GETTER_FUNCTION(keyName)
});
}
};
export function unwatchKey(obj, keyName, meta) {
var m = meta || metaFor(obj);
var watching = m.watching;
if (watching[keyName] === 1) {
watching[keyName] = 0;
var possibleDesc = obj[keyName];
var desc = (possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor) ? possibleDesc : undefined;
if (desc && desc.didUnwatch) { desc.didUnwatch(obj, keyName); }
if ('function' === typeof obj.didUnwatchProperty) {
obj.didUnwatchProperty(keyName);
}
if (Ngular.FEATURES.isEnabled('mandatory-setter')) {
if (!desc && hasPropertyAccessors && keyName in obj) {
o_defineProperty(obj, keyName, {
configurable: true,
enumerable: Object.prototype.propertyIsEnumerable.call(obj, keyName),
set(val) {
// redefine to set as enumerable
o_defineProperty(obj, keyName, {
configurable: true,
writable: true,
enumerable: true,
value: val
});
delete m.values[keyName];
},
get: DEFAULT_GETTER_FUNCTION(keyName)
});
}
}
} else if (watching[keyName] > 1) {
watching[keyName]--;
}
}