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KnockoutJS to ES2015/ES6

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TODO: use the new Proxy for ko.observable
This commit is contained in:
djmaze 2020-10-04 21:58:13 +02:00
parent a0f8ac0dad
commit 72ed2b08b2
56 changed files with 941 additions and 1873 deletions
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36
vendors/knockout/src/subscribables/subscribable.js vendored
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@ -45,7 +45,7 @@ function limitNotifySubscribers(value, event) {
}
var ko_subscribable_fn = {
init: function(instance) {
init: instance => {
instance._subscriptions = { "change": [] };
instance._versionNumber = 1;
},
@ -56,7 +56,7 @@ var ko_subscribable_fn = {
event = event || defaultEvent;
var boundCallback = callbackTarget ? callback.bind(callbackTarget) : callback;
var subscription = new ko.subscription(self, boundCallback, function () {
var subscription = new ko.subscription(self, boundCallback, () => {
ko.utils.arrayRemoveItem(self._subscriptions[event], subscription);
if (self.afterSubscriptionRemove)
self.afterSubscriptionRemove(event);
@ -115,7 +115,7 @@ var ko_subscribable_fn = {
self["notifySubscribers"] = limitNotifySubscribers;
}
var finish = limitFunction(function() {
var finish = limitFunction(() => {
self._notificationIsPending = false;
// If an observable provided a reference to itself, access it to get the latest value.
@ -132,7 +132,7 @@ var ko_subscribable_fn = {
}
});
self._limitChange = function(value, isDirty) {
self._limitChange = (value, isDirty) => {
if (!isDirty || !self._notificationIsPending) {
didUpdate = !isDirty;
}
@ -141,16 +141,16 @@ var ko_subscribable_fn = {
pendingValue = value;
finish();
};
self._limitBeforeChange = function(value) {
self._limitBeforeChange = value => {
if (!ignoreBeforeChange) {
previousValue = value;
self._origNotifySubscribers(value, beforeChange);
}
};
self._recordUpdate = function() {
self._recordUpdate = () => {
didUpdate = true;
};
self._notifyNextChangeIfValueIsDifferent = function() {
self._notifyNextChangeIfValueIsDifferent = () => {
if (self.isDifferent(previousValue, self.peek(true /*evaluate*/))) {
notifyNextChange = true;
}
@ -164,23 +164,20 @@ var ko_subscribable_fn = {
getSubscriptionsCount: function (event) {
if (event) {
return this._subscriptions[event] && this._subscriptions[event].length || 0;
} else {
var total = 0;
ko.utils.objectForEach(this._subscriptions, function(eventName, subscriptions) {
if (eventName !== 'dirty')
total += subscriptions.length;
});
return total;
}
var total = 0;
ko.utils.objectForEach(this._subscriptions, (eventName, subscriptions) => {
if (eventName !== 'dirty')
total += subscriptions.length;
});
return total;
},
isDifferent: function(oldValue, newValue) {
return !this['equalityComparer'] || !this['equalityComparer'](oldValue, newValue);
},
toString: function() {
return '[object Object]'
},
toString: () => '[object Object]',
extend: applyExtenders
};
@ -200,9 +197,8 @@ if (ko.utils.canSetPrototype) {
ko.subscribable['fn'] = ko_subscribable_fn;
ko.isSubscribable = function (instance) {
return instance != null && typeof instance.subscribe == "function" && typeof instance["notifySubscribers"] == "function";
};
ko.isSubscribable = instance =>
instance != null && typeof instance.subscribe == "function" && typeof instance["notifySubscribers"] == "function";
ko.exportSymbol('subscribable', ko.subscribable);
ko.exportSymbol('isSubscribable', ko.isSubscribable);