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Add expressionRewriting members

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These members are needed to create custom two-way bindings.
This commit is contained in:
Manuel Schweigert
2016-05-12 14:58:31 +02:00
parent 1ec3d510e0
commit 5d0618b145
1 changed files with 20 additions and 2 deletions
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22
knockout/knockout.d.ts vendored
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@@ -523,8 +523,26 @@ interface KnockoutStatic {
renderTemplateForEach(template: any, arrayOrObservableArray: KnockoutObservable<any>, options: Object, targetNode: Node, parentBindingContext: KnockoutBindingContext): any;
expressionRewriting: {
bindingRewriteValidators: any;
parseObjectLiteral: { (objectLiteralString: string): any[] }
bindingRewriteValidators: any[];
twoWayBindings: any;
parseObjectLiteral: (objectLiteralString: string): any[];
/**
Internal, private KO utility for updating model properties from within bindings
property: If the property being updated is (or might be) an observable, pass it here
If it turns out to be a writable observable, it will be written to directly
allBindings: An object with a get method to retrieve bindings in the current execution context.
This will be searched for a '_ko_property_writers' property in case you're writing to a non-observable
(See note below)
key: The key identifying the property to be written. Example: for { hasFocus: myValue }, write to 'myValue' by specifying the key 'hasFocus'
value: The value to be written
checkIfDifferent: If true, and if the property being written is a writable observable, the value will only be written if
it is !== existing value on that writable observable
Note that if you need to write to the viewModel without an observable property,
you need to set ko.expressionRewriting.twoWayBindings[key] = true; *before* the binding evaluation.
*/
writeValueToProperty: (property: KnockoutObservable<any> | any, allBindings: KnockoutAllBindingsAccessor, key: string, value: any, checkIfDifferent?: boolean): void;
};
/////////////////////////////////