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Mastering KnockoutJS by Timothy Moran

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Binding providers

With a binding preprocessor, we have access to the binding expression and can modify it before the evaluation of bindings. With a node preprocessor, we have access to the node and can modify the DOM before bindings are applied. Both of these just transform things into the normal Knockout syntax. They are also limited to operating on the DOM, and they do not have access to the binding context.

Knockout binding providers are objects that receive both the DOM node and the binding context and determine which bindings handlers will be applied and what valueAccessor properties those bindings receive.

A binding provider is expected to provide the following functions:

  • nodeHasBindings(node): This function should return a Boolean that indicates ...

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