How to use the aurelia-binding.EventSubscriber function in aurelia-binding
To help you get started, we’ve selected a few aurelia-binding examples, based on popular ways it is used in public projects.
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aurelia / templating-resources / src / update-trigger-binding-behavior.ts View on Github 
if (binding.mode !== bindingMode.twoWay && binding.mode !== bindingMode.fromView) {
throw new Error(notApplicableMessage);
}
// ensure the binding's target observer has been set.
let targetObserver = binding.observerLocator.getObserver(binding.target, binding.targetProperty);
if (!targetObserver.handler) {
throw new Error(notApplicableMessage);
}
binding.targetObserver = targetObserver;
// stash the original element subscribe function.
targetObserver.originalHandler = binding.targetObserver.handler;
// replace the element subscribe function with one that uses the correct events.
let handler = new EventSubscriber(events);
targetObserver.handler = handler;
}if (binding.mode !== bindingMode.twoWay && binding.mode !== bindingMode.fromView) {
throw new Error(notApplicableMessage);
}
// ensure the binding's target observer has been set.
let targetObserver = binding.observerLocator.getObserver(binding.target, binding.targetProperty);
if (!targetObserver.handler) {
throw new Error(notApplicableMessage);
}
binding.targetObserver = targetObserver;
// stash the original element subscribe function.
targetObserver.originalHandler = binding.targetObserver.handler;
// replace the element subscribe function with one that uses the correct events.
let handler = new EventSubscriber(events);
targetObserver.handler = handler;
}bind(binding, source, ...events) {
if (events.length === 0) {
throw new Error(eventNamesRequired);
}
if (binding.mode !== bindingMode.twoWay && binding.mode !== bindingMode.fromView) {
throw new Error(notApplicableMessage);
}
let targetObserver = binding.observerLocator.getObserver(binding.target, binding.targetProperty);
if (!targetObserver.handler) {
throw new Error(notApplicableMessage);
}
binding.targetObserver = targetObserver;
targetObserver.originalHandler = binding.targetObserver.handler;
let handler = new EventSubscriber(events);
targetObserver.handler = handler;
}
unbind(binding, source) {if (events.length === 0) {
throw new Error(eventNamesRequired);
}
if (binding.mode !== bindingMode.twoWay && binding.mode !== bindingMode.fromView) {
throw new Error(notApplicableMessage);
}
let targetObserver = binding.observerLocator.getObserver(binding.target, binding.targetProperty);
if (!targetObserver.handler) {
throw new Error(notApplicableMessage);
}
binding.targetObserver = targetObserver;
targetObserver.originalHandler = binding.targetObserver.handler;
let handler = new EventSubscriber(events);
targetObserver.handler = handler;
}if (events.length === 0) {
throw new Error(eventNamesRequired);
}
if (binding.mode !== bindingMode.twoWay && binding.mode !== bindingMode.fromView) {
throw new Error(notApplicableMessage);
}
var targetObserver = binding.observerLocator.getObserver(binding.target, binding.targetProperty);
if (!targetObserver.handler) {
throw new Error(notApplicableMessage);
}
binding.targetObserver = targetObserver;
targetObserver.originalHandler = binding.targetObserver.handler;
var handler = new EventSubscriber(events);
targetObserver.handler = handler;
};aurelia-binding
A modern databinding library for JavaScript and HTML.
