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Use JavaScript Optional chaining in vendors/*

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the-djmaze 2022-09-12 22:07:51 +02:00
parent e5e4675c1b
commit ef8b1f40e4
28 changed files with 619 additions and 750 deletions
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18
vendors/knockout/src/binding/bindingAttributeSyntax.js vendored
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@ -13,10 +13,17 @@
ko.bindingContext = class {
constructor(dataItemOrAccessor, parentContext, dataItemAlias, extendCallback, options)
{
var self = this,
shouldInheritData = dataItemOrAccessor === inheritParentVm,
realDataItemOrAccessor = shouldInheritData ? undefined : dataItemOrAccessor,
isFunc = typeof(realDataItemOrAccessor) == "function" && !ko.isObservable(realDataItemOrAccessor),
subscribable,
dataDependency = options && options['dataDependency'],
// The binding context object includes static properties for the current, parent, and root view models.
// If a view model is actually stored in an observable, the corresponding binding context object, and
// any child contexts, must be updated when the view model is changed.
function updateContext() {
updateContext = () => {
// Most of the time, the context will directly get a view model object, but if a function is given,
// we call the function to retrieve the view model. If the function accesses any observables or returns
// an observable, the dependency is tracked, and those observables can later cause the binding
@ -71,14 +78,7 @@
}
return self['$data'];
}
var self = this,
shouldInheritData = dataItemOrAccessor === inheritParentVm,
realDataItemOrAccessor = shouldInheritData ? undefined : dataItemOrAccessor,
isFunc = typeof(realDataItemOrAccessor) == "function" && !ko.isObservable(realDataItemOrAccessor),
subscribable,
dataDependency = options && options['dataDependency'];
};
if (options && options['exportDependencies']) {
// The "exportDependencies" option means that the calling code will track any dependencies and re-create