mirror of
https://github.com/the-djmaze/snappymail.git
synced 2025-01-02 04:51:55 +08:00
More Optional chaining in Knockout.js
This commit is contained in:
the-djmaze
parent
d18f93d87f
commit
a566f6ed5a
10 changed files with 391 additions and 476 deletions
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@ -299,9 +299,8 @@ class koSubscription
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dispose() {
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var self = this;
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if (!self._isDisposed) {
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if (self._domNodeDisposalCallback) {
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ko.utils.domNodeDisposal.removeDisposeCallback(self._node, self._domNodeDisposalCallback);
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}
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self._domNodeDisposalCallback
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&& ko.utils.domNodeDisposal.removeDisposeCallback(self._node, self._domNodeDisposalCallback);
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self._isDisposed = true;
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self._disposeCallback();
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@ -338,15 +337,12 @@ var ko_subscribable_fn = {
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var subscription = new koSubscription(self, boundCallback, () => {
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self._subscriptions.get(event).delete(subscription);
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if (self.afterSubscriptionRemove)
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self.afterSubscriptionRemove(event);
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self.afterSubscriptionRemove?.(event);
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});
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if (self.beforeSubscriptionAdd)
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self.beforeSubscriptionAdd(event);
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self.beforeSubscriptionAdd?.(event);
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if (!self._subscriptions.has(event))
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self._subscriptions.set(event, new Set);
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self._subscriptions.has(event) || self._subscriptions.set(event, new Set);
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self._subscriptions.get(event).add(subscription);
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return subscription;
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@ -392,13 +388,13 @@ var ko_subscribable_fn = {
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if (!self._origNotifySubscribers) {
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self._origNotifySubscribers = self.notifySubscribers;
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// Moved out of "limit" to avoid the extra closure
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self.notifySubscribers = function(value, event) {
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self.notifySubscribers = (value, event) => {
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if (!event || event === defaultEvent) {
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this._limitChange(value);
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} else if (event === 'beforeChange') {
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this._limitBeforeChange(value);
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self._limitChange(value);
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} else if (event === beforeChange) {
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self._limitBeforeChange(value);
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} else {
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this._origNotifySubscribers(value, event);
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self._origNotifySubscribers(value, event);
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}
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}
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}
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@ -701,25 +697,17 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
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// Watch "subscribe" calls, and for array change events, ensure change tracking is enabled
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target.beforeSubscriptionAdd = event => {
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if (underlyingBeforeSubscriptionAddFunction) {
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underlyingBeforeSubscriptionAddFunction.call(target, event);
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}
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underlyingBeforeSubscriptionAddFunction?.call(target, event);
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if (event === arrayChangeEventName) {
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trackChanges();
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}
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};
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// Watch "dispose" calls, and for array change events, ensure change tracking is disabled when all are disposed
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target.afterSubscriptionRemove = event => {
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if (underlyingAfterSubscriptionRemoveFunction) {
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underlyingAfterSubscriptionRemoveFunction.call(target, event);
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}
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underlyingAfterSubscriptionRemoveFunction?.call(target, event);
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if (event === arrayChangeEventName && !target.hasSubscriptionsForEvent(arrayChangeEventName)) {
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if (changeSubscription) {
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changeSubscription.dispose();
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}
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if (spectateSubscription) {
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spectateSubscription.dispose();
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}
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changeSubscription?.dispose();
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spectateSubscription?.dispose();
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spectateSubscription = changeSubscription = null;
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trackingChanges = false;
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previousContents = undefined;
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@ -727,23 +715,6 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
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};
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function trackChanges() {
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if (trackingChanges) {
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// Whenever there's a new subscription and there are pending notifications, make sure all previous
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// subscriptions are notified of the change so that all subscriptions are in sync.
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notifyChanges();
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return;
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}
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trackingChanges = true;
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// Track how many times the array actually changed value
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spectateSubscription = target.subscribe(() => ++pendingChanges, null, "spectate");
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// Each time the array changes value, capture a clone so that on the next
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// change it's possible to produce a diff
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previousContents = [].concat(target.peek() || []);
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cachedDiff = null;
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changeSubscription = target.subscribe(notifyChanges);
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function notifyChanges() {
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if (pendingChanges) {
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@ -765,6 +736,24 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
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}
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}
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}
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if (trackingChanges) {
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// Whenever there's a new subscription and there are pending notifications, make sure all previous
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// subscriptions are notified of the change so that all subscriptions are in sync.
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notifyChanges();
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return;
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}
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trackingChanges = true;
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// Track how many times the array actually changed value
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spectateSubscription = target.subscribe(() => ++pendingChanges, null, "spectate");
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// Each time the array changes value, capture a clone so that on the next
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// change it's possible to produce a diff
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previousContents = [].concat(target.peek() || []);
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cachedDiff = null;
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changeSubscription = target.subscribe(notifyChanges);
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}
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function getChanges(previousContents, currentContents) {
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@ -805,20 +794,19 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
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case 'pop':
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offset = arrayLength - 1;
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case 'shift':
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if (arrayLength) {
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pushDiff('deleted', rawArray[offset], offset);
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}
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arrayLength && pushDiff('deleted', rawArray[offset], offset);
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break;
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case 'splice':
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// Negative start index means 'from end of array'. After that we clamp to [0...arrayLength].
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// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice
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var startIndex = Math.min(Math.max(0, args[0] < 0 ? arrayLength + args[0] : args[0]), arrayLength),
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endDeleteIndex = argsLength === 1 ? arrayLength : Math.min(startIndex + (args[1] || 0), arrayLength),
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endAddIndex = startIndex + argsLength - 2,
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var index = Math.min(Math.max(0, args[0] < 0 ? arrayLength + args[0] : args[0]), arrayLength),
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endDeleteIndex = argsLength === 1 ? arrayLength : Math.min(index + (args[1] || 0), arrayLength),
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endAddIndex = index + argsLength - 2,
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endIndex = Math.max(endDeleteIndex, endAddIndex),
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additions = [], deletions = [];
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for (let index = startIndex, argsIndex = 2; index < endIndex; ++index, ++argsIndex) {
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additions = [], deletions = [],
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argsIndex = 2;
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for (; index < endIndex; ++index, ++argsIndex) {
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if (index < endDeleteIndex)
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deletions.push(pushDiff('deleted', rawArray[index], index));
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if (index < endAddIndex)
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@ -898,8 +886,6 @@ ko.computed = (evaluatorFunctionOrOptions, options) => {
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state.pure = true;
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state.isSleeping = true; // Starts off sleeping; will awake on the first subscription
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ko.utils.extend(computedObservable, pureComputedOverrides);
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} else if (options['deferEvaluation']) {
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ko.utils.extend(computedObservable, deferEvaluationOverrides);
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}
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if (state.disposeWhenNodeIsRemoved) {
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@ -917,10 +903,8 @@ ko.computed = (evaluatorFunctionOrOptions, options) => {
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}
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}
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// Evaluate, unless sleeping or deferEvaluation is true
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if (!state.isSleeping && !options['deferEvaluation']) {
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computedObservable.evaluateImmediate();
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}
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// Evaluate, unless sleeping
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state.isSleeping || computedObservable.evaluateImmediate();
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// Attach a DOM node disposal callback so that the computed will be proactively disposed as soon as the node is
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// removed using ko.removeNode. But skip if isActive is false (there will never be any dependencies to dispose).
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@ -1063,16 +1047,13 @@ var computedFn = {
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disposeWhen = state.disposeWhen,
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changed = false;
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if (state.isBeingEvaluated) {
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// If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
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// This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
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// certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
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// their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
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return;
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}
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// If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
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// This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
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// certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
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// their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
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if (state.isBeingEvaluated
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// Do not evaluate (and possibly capture new dependencies) if disposed
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if (state.isDisposed) {
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|| state.isDisposed) {
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return;
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}
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@ -1087,8 +1068,8 @@ var computedFn = {
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state.suppressDisposalUntilDisposeWhenReturnsFalse = false;
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}
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state.isBeingEvaluated = true;
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try {
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state.isBeingEvaluated = true;
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changed = this.evaluateImmediate_CallReadWithDependencyDetection(notifyChange);
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} finally {
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state.isBeingEvaluated = false;
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@ -1159,7 +1140,7 @@ var computedFn = {
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return changed;
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},
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peek: function (evaluate) {
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// By default, peek won't re-evaluate, except while the computed is sleeping or to get the initial value when "deferEvaluation" is set.
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// By default, peek won't re-evaluate, except while the computed is sleeping.
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// Pass in true to evaluate if needed.
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var state = this[computedState];
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if ((state.isDirty && (evaluate || !state.dependenciesCount)) || (state.isSleeping && this.haveDependenciesChanged())) {
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@ -1168,30 +1149,31 @@ var computedFn = {
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return state.latestValue;
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},
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limit: function (limitFunction) {
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var self = this;
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// Override the limit function with one that delays evaluation as well
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ko.subscribable['fn'].limit.call(this, limitFunction);
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this._evalIfChanged = function () {
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if (!this[computedState].isSleeping) {
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if (this[computedState].isStale) {
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this.evaluateImmediate();
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ko.subscribable['fn'].limit.call(self, limitFunction);
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self._evalIfChanged = () => {
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if (!self[computedState].isSleeping) {
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if (self[computedState].isStale) {
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self.evaluateImmediate();
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} else {
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this[computedState].isDirty = false;
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self[computedState].isDirty = false;
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}
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}
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return this[computedState].latestValue;
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return self[computedState].latestValue;
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};
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this._evalDelayed = function (isChange) {
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this._limitBeforeChange(this[computedState].latestValue);
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self._evalDelayed = isChange => {
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self._limitBeforeChange(self[computedState].latestValue);
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// Mark as dirty
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this[computedState].isDirty = true;
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self[computedState].isDirty = true;
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if (isChange) {
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this[computedState].isStale = true;
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self[computedState].isStale = true;
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}
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// Pass the observable to the "limit" code, which will evaluate it when
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// it's time to do the notification.
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this._limitChange(this, !isChange /* isDirty */);
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self._limitChange(self, !isChange /* isDirty */);
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};
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},
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dispose: function () {
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@ -1285,15 +1267,6 @@ var pureComputedOverrides = {
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}
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};
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var deferEvaluationOverrides = {
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beforeSubscriptionAdd: function (event) {
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// This will force a computed with deferEvaluation to evaluate when the first subscription is registered.
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if (event == 'change' || event == 'beforeChange') {
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this.peek();
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}
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}
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};
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// Note that for browsers that don't support proto assignment, the
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// inheritance chain is created manually in the ko.computed constructor
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Object.setPrototypeOf(computedFn, ko.subscribable['fn']);
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@ -1325,11 +1298,13 @@ ko.pureComputed = (evaluatorFunctionOrOptions) => {
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readValue : element => {
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switch (element.nodeName) {
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case 'OPTION':
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if (element[hasDomDataExpandoProperty] === true)
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return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
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return element.value;
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return (element[hasDomDataExpandoProperty] === true)
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? ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey)
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: element.value;
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case 'SELECT':
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return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
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return element.selectedIndex >= 0
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? ko.selectExtensions.readValue(element.options[element.selectedIndex])
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: undefined;
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default:
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return element.value;
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}
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@ -1354,8 +1329,9 @@ ko.pureComputed = (evaluatorFunctionOrOptions) => {
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break;
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case 'SELECT':
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// A blank string or null value will select the caption
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var selection = -1, noValue = ("" === value || null == value);
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for (var i = 0, n = element.options.length, optionValue; i < n; ++i) {
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var selection = -1, noValue = ("" === value || null == value),
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i = element.options.length, optionValue;
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while (i--) {
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optionValue = ko.selectExtensions.readValue(element.options[i]);
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// Include special check to handle selecting a caption with a blank string value
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if (optionValue == value || (optionValue === "" && noValue)) {
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@ -1552,9 +1528,7 @@ ko.expressionRewriting = (() => {
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// it is !== existing value on that writable observable
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writeValueToProperty: (property, allBindings, key, value, checkIfDifferent) => {
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if (!property || !ko.isObservable(property)) {
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var propWriters = allBindings.get('_ko_property_writers');
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if (propWriters && propWriters[key])
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propWriters[key](value);
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allBindings.get('_ko_property_writers')?.[key]?.(value);
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} else if (ko.isWriteableObservable(property) && (!checkIfDifferent || property.peek() !== value)) {
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property(value);
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}
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@ -1761,7 +1735,7 @@ ko.expressionRewriting = (() => {
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realDataItemOrAccessor = shouldInheritData ? undefined : dataItemOrAccessor,
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isFunc = typeof(realDataItemOrAccessor) == "function" && !ko.isObservable(realDataItemOrAccessor),
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subscribable,
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dataDependency = options && options['dataDependency'],
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dataDependency = options?.['dataDependency'],
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// The binding context object includes static properties for the current, parent, and root view models.
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// If a view model is actually stored in an observable, the corresponding binding context object, and
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@ -1807,12 +1781,11 @@ ko.expressionRewriting = (() => {
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// The extendCallback function is provided when creating a child context or extending a context.
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// It handles the specific actions needed to finish setting up the binding context. Actions in this
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// function could also add dependencies to this binding context.
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if (extendCallback)
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extendCallback(self, parentContext, dataItem);
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extendCallback?.(self, parentContext, dataItem);
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// When a "parent" context is given and we don't already have a dependency on its context, register a dependency on it.
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// Thus whenever the parent context is updated, this context will also be updated.
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if (parentContext && parentContext[contextSubscribable] && !ko.dependencyDetection.computed().hasAncestorDependency(parentContext[contextSubscribable])) {
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if (parentContext?.[contextSubscribable] && !ko.dependencyDetection.computed().hasAncestorDependency(parentContext[contextSubscribable])) {
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parentContext[contextSubscribable]();
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}
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@ -1823,7 +1796,7 @@ ko.expressionRewriting = (() => {
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return self['$data'];
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};
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if (options && options['exportDependencies']) {
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if (options?.['exportDependencies']) {
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// The "exportDependencies" option means that the calling code will track any dependencies and re-create
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// the binding context when they change.
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updateContext();
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@ -1881,7 +1854,7 @@ ko.expressionRewriting = (() => {
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function asyncContextDispose(node) {
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var bindingInfo = ko.utils.domData.get(node, boundElementDomDataKey),
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asyncContext = bindingInfo && bindingInfo.asyncContext;
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asyncContext = bindingInfo?.asyncContext;
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if (asyncContext) {
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bindingInfo.asyncContext = null;
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asyncContext.notifyAncestor();
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@ -1895,25 +1868,19 @@ ko.expressionRewriting = (() => {
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this.asyncDescendants = new Set;
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this.childrenComplete = false;
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if (!bindingInfo.asyncContext) {
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ko.utils.domNodeDisposal.addDisposeCallback(node, asyncContextDispose);
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}
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bindingInfo.asyncContext || ko.utils.domNodeDisposal.addDisposeCallback(node, asyncContextDispose);
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if (ancestorBindingInfo && ancestorBindingInfo.asyncContext) {
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if (ancestorBindingInfo?.asyncContext) {
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ancestorBindingInfo.asyncContext.asyncDescendants.add(node);
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this.ancestorBindingInfo = ancestorBindingInfo;
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}
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}
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notifyAncestor() {
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if (this.ancestorBindingInfo && this.ancestorBindingInfo.asyncContext) {
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this.ancestorBindingInfo.asyncContext.descendantComplete(this.node);
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}
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this.ancestorBindingInfo?.asyncContext?.descendantComplete(this.node);
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}
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descendantComplete(node) {
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this.asyncDescendants.delete(node);
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if (!this.asyncDescendants.size && this.childrenComplete) {
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this.completeChildren();
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}
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this.asyncDescendants.size || this.completeChildren?.();
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}
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completeChildren() {
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this.childrenComplete = true;
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@ -1935,7 +1902,7 @@ ko.expressionRewriting = (() => {
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if (!bindingInfo.eventSubscribable) {
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bindingInfo.eventSubscribable = new ko.subscribable;
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}
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if (options && options['notifyImmediately'] && bindingInfo.notifiedEvents[event]) {
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if (options?.['notifyImmediately'] && bindingInfo.notifiedEvents[event]) {
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ko.dependencyDetection.ignore(callback, context, [node]);
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}
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return bindingInfo.eventSubscribable.subscribe(callback, context, event);
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@ -1945,13 +1912,11 @@ ko.expressionRewriting = (() => {
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var bindingInfo = ko.utils.domData.get(node, boundElementDomDataKey);
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if (bindingInfo) {
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bindingInfo.notifiedEvents[event] = true;
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if (bindingInfo.eventSubscribable) {
|
||||
bindingInfo.eventSubscribable.notifySubscribers(node, event);
|
||||
}
|
||||
bindingInfo.eventSubscribable?.notifySubscribers(node, event);
|
||||
if (event == ko.bindingEvent.childrenComplete) {
|
||||
if (bindingInfo.asyncContext) {
|
||||
bindingInfo.asyncContext.completeChildren();
|
||||
} else if (bindingInfo.asyncContext === undefined && bindingInfo.eventSubscribable && bindingInfo.eventSubscribable.hasSubscriptionsForEvent(ko.bindingEvent.descendantsComplete)) {
|
||||
} else if (bindingInfo.asyncContext === undefined && bindingInfo.eventSubscribable?.hasSubscriptionsForEvent(ko.bindingEvent.descendantsComplete)) {
|
||||
// It's currently an error to register a descendantsComplete handler for a node that was never registered as completing asynchronously.
|
||||
// That's because without the asyncContext, we don't have a way to know that all descendants have completed.
|
||||
throw new Error("descendantsComplete event not supported for bindings on this node");
|
||||
|
|
@ -2003,8 +1968,7 @@ ko.expressionRewriting = (() => {
|
|||
// Perf optimisation: Apply bindings only if...
|
||||
// (1) We need to store the binding info for the node (all element nodes)
|
||||
// (2) It might have bindings (e.g., it has a data-bind attribute, or it's a marker for a containerless template)
|
||||
var shouldApplyBindings = isElement || ko.bindingProvider.nodeHasBindings(nodeVerified);
|
||||
if (shouldApplyBindings)
|
||||
if (isElement || ko.bindingProvider.nodeHasBindings(nodeVerified))
|
||||
bindingContextForDescendants = applyBindingsToNodeInternal(nodeVerified, null, bindingContext)['bindingContextForDescendants'];
|
||||
|
||||
// Don't want bindings that operate on text nodes to mutate <script> and <textarea> contents,
|
||||
|
|
@ -2012,7 +1976,7 @@ ko.expressionRewriting = (() => {
|
|||
// Also bindings should not operate on <template> elements since this breaks in Internet Explorer
|
||||
// and because such elements' contents are always intended to be bound in a different context
|
||||
// from where they appear in the document.
|
||||
if (bindingContextForDescendants && nodeVerified.matches && !nodeVerified.matches('SCRIPT,TEXTAREA,TEMPLATE')) {
|
||||
if (bindingContextForDescendants && !nodeVerified.matches?.('SCRIPT,TEXTAREA,TEMPLATE')) {
|
||||
applyBindingsToDescendantsInternal(bindingContextForDescendants, nodeVerified);
|
||||
}
|
||||
}
|
||||
|
|
@ -2079,12 +2043,8 @@ ko.expressionRewriting = (() => {
|
|||
bindings = sourceBindings ? sourceBindings(bindingContext, node) : ko.bindingProvider.getBindingAccessors(node, bindingContext);
|
||||
// Register a dependency on the binding context to support observable view models.
|
||||
if (bindings) {
|
||||
if (bindingContext[contextSubscribable]) {
|
||||
bindingContext[contextSubscribable]();
|
||||
}
|
||||
if (bindingContext[contextDataDependency]) {
|
||||
bindingContext[contextDataDependency]();
|
||||
}
|
||||
bindingContext[contextSubscribable]?.();
|
||||
bindingContext[contextDataDependency]?.();
|
||||
}
|
||||
return bindings;
|
||||
},
|
||||
|
|
@ -2117,9 +2077,7 @@ ko.expressionRewriting = (() => {
|
|||
var callback = bindings[ko.bindingEvent.childrenComplete]();
|
||||
if (callback) {
|
||||
var nodes = ko.virtualElements.childNodes(node);
|
||||
if (nodes.length) {
|
||||
callback(nodes, ko.dataFor(nodes[0]));
|
||||
}
|
||||
nodes.length && callback(nodes, ko.dataFor(nodes[0]));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
|
@ -3439,21 +3397,20 @@ makeEventHandlerShortcut('click');
|
|||
})();
|
||||
// Go through the items that have been added and deleted and try to find matches between them.
|
||||
ko.utils.findMovesInArrayComparison = (left, right, limitFailedCompares) => {
|
||||
if (left.length && right.length) {
|
||||
var failedCompares, l, r, leftItem, rightItem;
|
||||
for (failedCompares = l = 0; (!limitFailedCompares || failedCompares < limitFailedCompares) && (leftItem = left[l]); ++l) {
|
||||
for (r = 0; rightItem = right[r]; ++r) {
|
||||
if (leftItem['value'] === rightItem['value']) {
|
||||
leftItem['moved'] = rightItem['index'];
|
||||
rightItem['moved'] = leftItem['index'];
|
||||
right.splice(r, 1); // This item is marked as moved; so remove it from right list
|
||||
failedCompares = r = 0; // Reset failed compares count because we're checking for consecutive failures
|
||||
break;
|
||||
}
|
||||
}
|
||||
failedCompares += r;
|
||||
var failedCompares = 0, r, l = right.length;
|
||||
l && left.every(leftItem => {
|
||||
r = right.findIndex(rightItem => leftItem['value'] === rightItem['value']);
|
||||
if (r >= 0) {
|
||||
leftItem['moved'] = right[r]['index'];
|
||||
right[r]['moved'] = leftItem['index'];
|
||||
right.splice(r, 1); // This item is marked as moved; so remove it from right list
|
||||
// right[r] = null;
|
||||
failedCompares = r = 0; // Reset failed compares count because we're checking for consecutive failures
|
||||
--l;
|
||||
}
|
||||
}
|
||||
failedCompares += l;
|
||||
return l && (!limitFailedCompares || failedCompares < limitFailedCompares);
|
||||
});
|
||||
};
|
||||
|
||||
ko.utils.compareArrays = (() => {
|
||||
|
|
@ -3463,15 +3420,15 @@ ko.utils.compareArrays = (() => {
|
|||
var myMin = Math.min,
|
||||
myMax = Math.max,
|
||||
editDistanceMatrix = [],
|
||||
smlIndex, smlIndexMax = smlArray.length,
|
||||
smlIndex = -1, smlIndexMax = smlArray.length,
|
||||
bigIndex, bigIndexMax = bigArray.length,
|
||||
compareRange = (bigIndexMax - smlIndexMax) || 1,
|
||||
maxDistance = smlIndexMax + bigIndexMax + 1,
|
||||
thisRow, lastRow,
|
||||
thisRow, prevRow,
|
||||
bigIndexMaxForRow, bigIndexMinForRow;
|
||||
|
||||
for (smlIndex = 0; smlIndex <= smlIndexMax; smlIndex++) {
|
||||
lastRow = thisRow;
|
||||
while (++smlIndex <= smlIndexMax) {
|
||||
prevRow = thisRow;
|
||||
editDistanceMatrix.push(thisRow = []);
|
||||
bigIndexMaxForRow = myMin(bigIndexMax, smlIndex + compareRange);
|
||||
bigIndexMinForRow = myMax(0, smlIndex - 1);
|
||||
|
|
@ -3481,9 +3438,9 @@ ko.utils.compareArrays = (() => {
|
|||
else if (!smlIndex) // Top row - transform empty array into new array via additions
|
||||
thisRow[bigIndex] = bigIndex + 1;
|
||||
else if (smlArray[smlIndex - 1] === bigArray[bigIndex - 1])
|
||||
thisRow[bigIndex] = lastRow[bigIndex - 1]; // copy value (no edit)
|
||||
thisRow[bigIndex] = prevRow[bigIndex - 1]; // copy value (no edit)
|
||||
else {
|
||||
var northDistance = lastRow[bigIndex] || maxDistance; // not in big (deletion)
|
||||
var northDistance = prevRow[bigIndex] || maxDistance; // not in big (deletion)
|
||||
var westDistance = thisRow[bigIndex - 1] || maxDistance; // not in small (addition)
|
||||
thisRow[bigIndex] = myMin(northDistance, westDistance) + 1;
|
||||
}
|
||||
|
|
@ -3491,7 +3448,9 @@ ko.utils.compareArrays = (() => {
|
|||
}
|
||||
|
||||
var editScript = [], meMinusOne, notInSml = [], notInBig = [];
|
||||
for (smlIndex = smlIndexMax, bigIndex = bigIndexMax; smlIndex || bigIndex;) {
|
||||
smlIndex = smlIndexMax;
|
||||
bigIndex = bigIndexMax
|
||||
while (smlIndex || bigIndex) {
|
||||
meMinusOne = editDistanceMatrix[smlIndex][bigIndex] - 1;
|
||||
if (bigIndex && meMinusOne === editDistanceMatrix[smlIndex][bigIndex-1]) {
|
||||
notInSml.push(editScript[editScript.length] = { // added
|
||||
|
|
@ -3585,55 +3544,57 @@ ko.utils.compareArrays = (() => {
|
|||
array = [array];
|
||||
|
||||
options = options || {};
|
||||
var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey);
|
||||
var isFirstExecution = !lastMappingResult;
|
||||
var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey),
|
||||
isFirstExecution = !lastMappingResult,
|
||||
|
||||
// Build the new mapping result
|
||||
var newMappingResult = [];
|
||||
var lastMappingResultIndex = 0;
|
||||
var currentArrayIndex = 0;
|
||||
// Build the new mapping result
|
||||
newMappingResult = [],
|
||||
lastMappingResultIndex = 0,
|
||||
currentArrayIndex = 0,
|
||||
|
||||
var nodesToDelete = [];
|
||||
var itemsToMoveFirstIndexes = [];
|
||||
var itemsForBeforeRemoveCallbacks = [];
|
||||
var mapData;
|
||||
var countWaitingForRemove = 0;
|
||||
nodesToDelete = [],
|
||||
itemsToMoveFirstIndexes = [],
|
||||
itemsForBeforeRemoveCallbacks = [],
|
||||
mapData,
|
||||
countWaitingForRemove = 0,
|
||||
|
||||
function itemAdded(value) {
|
||||
mapData = { arrayEntry: value, indexObservable: ko.observable(currentArrayIndex++) };
|
||||
newMappingResult.push(mapData);
|
||||
}
|
||||
itemAdded = value => {
|
||||
mapData = { arrayEntry: value, indexObservable: ko.observable(currentArrayIndex++) };
|
||||
newMappingResult.push(mapData);
|
||||
},
|
||||
|
||||
function itemMovedOrRetained(oldPosition) {
|
||||
mapData = lastMappingResult[oldPosition];
|
||||
// Since updating the index might change the nodes, do so before calling fixUpContinuousNodeArray
|
||||
mapData.indexObservable(currentArrayIndex++);
|
||||
ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode);
|
||||
newMappingResult.push(mapData);
|
||||
}
|
||||
itemMovedOrRetained = oldPosition => {
|
||||
mapData = lastMappingResult[oldPosition];
|
||||
// Since updating the index might change the nodes, do so before calling fixUpContinuousNodeArray
|
||||
mapData.indexObservable(currentArrayIndex++);
|
||||
ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode);
|
||||
newMappingResult.push(mapData);
|
||||
},
|
||||
|
||||
function callCallback(callback, items) {
|
||||
if (callback) {
|
||||
for (var i = 0, n = items.length; i < n; i++) {
|
||||
items[i] && items[i].mappedNodes.forEach(node => callback(node, i, items[i].arrayEntry));
|
||||
callCallback = (callback, items) => {
|
||||
if (callback) {
|
||||
for (var i = 0, n = items.length; i < n; i++) {
|
||||
items[i] && items[i].mappedNodes.forEach(node => callback(node, i, items[i].arrayEntry));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
if (isFirstExecution) {
|
||||
array.forEach(itemAdded);
|
||||
} else {
|
||||
if (!editScript || (lastMappingResult && lastMappingResult['_countWaitingForRemove'])) {
|
||||
// Compare the provided array against the previous one
|
||||
var lastArray = Array.prototype.map.call(lastMappingResult, x => x.arrayEntry),
|
||||
compareOptions = {
|
||||
editScript = ko.utils.compareArrays(
|
||||
Array.prototype.map.call(lastMappingResult, x => x.arrayEntry),
|
||||
array,
|
||||
{
|
||||
'dontLimitMoves': options['dontLimitMoves'],
|
||||
'sparse': true
|
||||
};
|
||||
editScript = ko.utils.compareArrays(lastArray, array, compareOptions);
|
||||
});
|
||||
}
|
||||
|
||||
for (let i = 0, editScriptItem, movedIndex, itemIndex; editScriptItem = editScript[i]; i++) {
|
||||
let movedIndex, itemIndex;
|
||||
editScript.forEach(editScriptItem => {
|
||||
movedIndex = editScriptItem['moved'];
|
||||
itemIndex = editScriptItem['index'];
|
||||
switch (editScriptItem['status']) {
|
||||
|
|
@ -3681,7 +3642,7 @@ ko.utils.compareArrays = (() => {
|
|||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
while (currentArrayIndex < array.length) {
|
||||
itemMovedOrRetained(lastMappingResultIndex++);
|
||||
|
|
@ -3698,7 +3659,11 @@ ko.utils.compareArrays = (() => {
|
|||
// Next remove nodes for deleted items (or just clean if there's a beforeRemove callback)
|
||||
nodesToDelete.forEach(options['beforeRemove'] ? ko.cleanNode : ko.removeNode);
|
||||
|
||||
var i, j, lastNode, nodeToInsert, mappedNodes, activeElement;
|
||||
var i, lastNode, mappedNodes, activeElement,
|
||||
insertNode = nodeToInsert => {
|
||||
ko.virtualElements.insertAfter(domNode, nodeToInsert, lastNode);
|
||||
lastNode = nodeToInsert;
|
||||
};
|
||||
|
||||
// Since most browsers remove the focus from an element when it's moved to another location,
|
||||
// save the focused element and try to restore it later.
|
||||
|
|
@ -3714,22 +3679,18 @@ ko.utils.compareArrays = (() => {
|
|||
break;
|
||||
}
|
||||
}
|
||||
for (j = 0; nodeToInsert = mapData.mappedNodes[j]; lastNode = nodeToInsert, j++) {
|
||||
ko.virtualElements.insertAfter(domNode, nodeToInsert, lastNode);
|
||||
}
|
||||
mapData.mappedNodes.forEach(insertNode);
|
||||
}
|
||||
}
|
||||
|
||||
// Next add/reorder the remaining items (will include deleted items if there's a beforeRemove callback)
|
||||
for (i = 0; mapData = newMappingResult[i]; i++) {
|
||||
newMappingResult.forEach(mapData => {
|
||||
// Get nodes for newly added items
|
||||
if (!mapData.mappedNodes)
|
||||
ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
|
||||
mapData.mappedNodes
|
||||
|| ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
|
||||
|
||||
// Put nodes in the right place if they aren't there already
|
||||
for (j = 0; nodeToInsert = mapData.mappedNodes[j]; lastNode = nodeToInsert, j++) {
|
||||
ko.virtualElements.insertAfter(domNode, nodeToInsert, lastNode);
|
||||
}
|
||||
mapData.mappedNodes.forEach(insertNode);
|
||||
|
||||
// Run the callbacks for newly added nodes (for example, to apply bindings, etc.)
|
||||
if (!mapData.initialized && callbackAfterAddingNodes) {
|
||||
|
|
@ -3737,11 +3698,11 @@ ko.utils.compareArrays = (() => {
|
|||
mapData.initialized = true;
|
||||
lastNode = mapData.mappedNodes[mapData.mappedNodes.length - 1]; // get the last node again since it may have been changed by a preprocessor
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
// Restore the focused element if it had lost focus
|
||||
if (activeElement && domNode.ownerDocument.activeElement != activeElement) {
|
||||
activeElement.focus();
|
||||
if (domNode.ownerDocument.activeElement != activeElement) {
|
||||
activeElement?.focus();
|
||||
}
|
||||
|
||||
// If there's a beforeRemove callback, call it after reordering.
|
||||
|
|
@ -3754,11 +3715,7 @@ ko.utils.compareArrays = (() => {
|
|||
// Replace the stored values of deleted items with a dummy value. This provides two benefits: it marks this item
|
||||
// as already "removed" so we won't call beforeRemove for it again, and it ensures that the item won't match up
|
||||
// with an actual item in the array and appear as "retained" or "moved".
|
||||
for (i = 0; i < itemsForBeforeRemoveCallbacks.length; ++i) {
|
||||
if (itemsForBeforeRemoveCallbacks[i]) {
|
||||
itemsForBeforeRemoveCallbacks[i].arrayEntry = deletedItemDummyValue;
|
||||
}
|
||||
}
|
||||
itemsForBeforeRemoveCallbacks.forEach(callback => callback && (callback.arrayEntry = deletedItemDummyValue));
|
||||
}
|
||||
})();
|
||||
window['ko'] = koExports;
|
||||
|
|
|
|||
134
vendors/knockout/build/output/knockout-latest.js
vendored
134
vendors/knockout/build/output/knockout-latest.js
vendored
|
|
@ -4,70 +4,70 @@
|
|||
* License: MIT (http://www.opensource.org/licenses/mit-license.php)
|
||||
*/
|
||||
|
||||
(T=>{function O(a,c){return null===a||U[typeof a]?a===c:!1}function V(a,c){var d;return()=>{d||(d=setTimeout(()=>{d=0;a()},c))}}function W(a,c){var d;return()=>{clearTimeout(d);d=setTimeout(a,c)}}function X(a,c){c?.A?.()}function Y(a,c){var d=this.$b,f=d[A];f.aa||(this.Wa&&this.Ca[c]?(d.vb(c,a,this.Ca[c]),this.Ca[c]=null,--this.Wa):f.B[c]||d.vb(c,a,f.C?{X:a}:d.Sb(a)),a.la&&a.Wb())}var M=T.document,P={},b="undefined"!==typeof P?P:{};b.v=(a,c)=>{a=a.split(".");for(var d=b,f=0,k=a.length-1;f<k;f++)d=
|
||||
d[a[f]];d[a[k]]=c};b.ja=(a,c,d)=>{a[c]=d};b.v("version","3.5.1-sm");b.g={extend:(a,c)=>c?Object.assign(a,c):a,P:(a,c)=>a&&Object.entries(a).forEach(d=>c(d[0],d[1])),$a:a=>[...a.childNodes].forEach(c=>b.removeNode(c)),Mb:a=>{a=[...a];var c=(a[0]?.ownerDocument||M).createElement("div");a.forEach(d=>c.append(b.ga(d)));return c},Ba:(a,c)=>Array.prototype.map.call(a,c?d=>b.ga(d.cloneNode(!0)):d=>d.cloneNode(!0)),wa:(a,c)=>{b.g.$a(a);c&&a.append(...c)},Da:(a,c)=>{if(a.length){for(c=8===c.nodeType&&c.parentNode||
|
||||
c;a.length&&a[0].parentNode!==c;)a.splice(0,1);for(;1<a.length&&a[a.length-1].parentNode!==c;)--a.length;if(1<a.length){c=a[0];var d=a[a.length-1];for(a.length=0;c!==d;)a.push(c),c=c.nextSibling;a.push(d)}}return a},Rb:a=>null==a?"":a.trim?a.trim():a.toString().replace(/^[\s\xa0]+|[\s\xa0]+$/g,""),Za:a=>a.ownerDocument.documentElement.contains(1!==a.nodeType?a.parentNode:a),Tb:(a,c)=>{if(!a?.nodeType)throw Error("element must be a DOM node when calling triggerEvent");a.dispatchEvent(new Event(c))},
|
||||
j:a=>b.T(a)?a():a,jb:(a,c)=>a.textContent=b.g.j(c)||""};b.v("utils",b.g);b.v("unwrap",b.g.j);(()=>{let a=0,c="__ko__"+Date.now(),d=new WeakMap;b.g.i={get:(f,k)=>(d.get(f)||{})[k],set:(f,k,n)=>{d.has(f)?d.get(f)[k]=n:d.set(f,{[k]:n});return n},bb:function(f,k,n){return this.get(f,k)||this.set(f,k,n)},clear:f=>d.delete(f),Z:()=>a++ +c}})();b.g.L=(()=>{var a=b.g.i.Z(),c={1:1,8:1,9:1},d={1:1,9:1};const f=(e,g)=>{var h=b.g.i.get(e,a);g&&!h&&(h=new Set,b.g.i.set(e,a,h));return h},k=e=>{var g=f(e);g&&(new Set(g)).forEach(h=>
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||||
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|
||||
b.ga=b.g.L.ga;b.removeNode=b.g.L.removeNode;b.v("utils.domNodeDisposal",b.g.L);b.v("utils.domNodeDisposal.addDisposeCallback",b.g.L.oa);b.ab={debounce:(a,c)=>a.Ka(d=>W(d,c)),rateLimit:(a,c)=>{if("number"==typeof c)var d=c;else{d=c.timeout;var f=c.method}var k="function"==typeof f?f:V;a.Ka(n=>k(n,d,c))},notify:(a,c)=>{a.sa="always"==c?null:O}};var U={undefined:1,"boolean":1,number:1,string:1};b.v("extenders",b.ab);class Z{constructor(a,c,d){this.X=a;this.pb=c;this.va=d;this.Qa=!1;this.M=this.$=null;
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|
||||
null,"arrayChange");x.o(t);return x}return b.s(()=>{var u=b.g.j(g)||[];"undefined"==typeof u.length&&(u=[u]);p(u)},{o:t})};var k=b.g.i.Z(),n=b.g.i.Z();b.h.template={init:(e,g)=>{g=b.g.j(g());if("string"==typeof g||"name"in g)b.m.pa(e);else if("nodes"in g){g=g.nodes||[];if(b.T(g))throw Error('The "nodes" option must be a plain, non-observable array.');let h=g[0]?.parentNode;h&&b.g.i.get(h,n)||(h=b.g.Lb(g),b.g.i.set(h,n,!0));(new b.Ka.Qa(e)).Ja(h)}else if(g=b.m.childNodes(e),g.length)g=b.g.Lb(g),(new b.Ka.Qa(e)).Ja(g);
|
||||
else throw Error("Anonymous template defined, but no template content was provided");return{controlsDescendantBindings:!0}},update:(e,g,h,t,r)=>{var p=g();g=b.g.j(p);h=!0;t=null;"string"==typeof g?g={}:(p="name"in g?g.name:e,"if"in g&&(h=b.g.j(g["if"])),h&&"ifnot"in g&&(h=!b.g.j(g.ifnot)),h&&!p&&(h=!1));"foreach"in g?t=b.sc(p,h&&g.foreach||[],g,e,r):h?(h=r,"data"in g&&(h=r.createChildContext(g.data,{as:g.as,exportDependencies:!0})),t=b.rc(p,h,g,e)):b.m.pa(e);r=t;b.g.i.get(e,k)?.A?.();b.g.i.set(e,
|
||||
k,!r||r.isActive&&!r.isActive()?void 0:r)}};b.I.Sa.template=e=>{e=b.I.nc(e);return 1==e.length&&e[0].unknown||b.I.lc(e,"name")?null:"This template engine does not support anonymous templates nested within its templates"};b.m.ca.template=!0})();b.g.Hb=(a,c,d)=>{var f=0,k,n=c.length;n&&a.every(e=>{k=c.findIndex(g=>e.value===g.value);0<=k&&(e.moved=c[k].index,c[k].moved=e.index,c.splice(k,1),f=k=0,--n);f+=n;return n&&(!d||f<d)})};b.g.Cb=(()=>{var a=(c,d,f,k,n)=>{for(var e=Math.min,g=Math.max,h=[],t=
|
||||
-1,r=c.length,p,m=d.length,l=m-r||1,q=r+m+1,v,x,u;++t<=r;)for(x=v,h.push(v=[]),u=e(m,t+l),p=g(0,t-1);p<=u;p++)v[p]=p?t?c[t-1]===d[p-1]?x[p-1]:e(x[p]||q,v[p-1]||q)+1:p+1:t+1;e=[];g=[];l=[];t=r;for(p=m;t||p;)m=h[t][p]-1,p&&m===h[t][p-1]?g.push(e[e.length]={status:f,value:d[--p],index:p}):t&&m===h[t-1][p]?l.push(e[e.length]={status:k,value:c[--t],index:t}):(--p,--t,n.sparse||e.push({status:"retained",value:d[p]}));b.g.Hb(l,g,!n.dontLimitMoves&&10*r);return e.reverse()};return(c,d,f)=>{f="boolean"===
|
||||
typeof f?{dontLimitMoves:f}:f||{};c=c||[];d=d||[];return c.length<d.length?a(c,d,"added","deleted",f):a(d,c,"deleted","added",f)}})();(()=>{function a(f,k,n,e,g){var h=[],t=b.s(()=>{var r=k(n,g,b.g.Aa(h,f))||[];if(0<h.length){var p=h.nodeType?[h]:h;if(0<p.length){var m=p[0],l=m.parentNode,q;var v=0;for(q=r.length;v<q;v++)l.insertBefore(r[v],m);v=0;for(q=p.length;v<q;v++)b.removeNode(p[v])}e&&b.u.S(e,null,[n,r,g])}h.length=0;h.push(...r)},{o:f,oa:()=>!!h.find(b.g.Za)});return{N:h,Va:t.isActive()?t:
|
||||
void 0}}var c=b.g.i.Z(),d=b.g.i.Z();b.g.Pb=(f,k,n,e,g,h)=>{k=k||[];"undefined"==typeof k.length&&(k=[k]);e=e||{};var t=b.g.i.get(f,c),r=[],p=0,m=0,l=[],q=[],v=[],x=0,u=w=>{A={da:w,Ea:b.ba(m++)};r.push(A)},y=w=>{A=t[w];A.Ea(m++);b.g.Aa(A.N,f);r.push(A)};if(t){if(!h||t&&t._countWaitingForRemove)h=b.g.Cb(Array.prototype.map.call(t,E=>E.da),k,{dontLimitMoves:e.dontLimitMoves,sparse:!0});let w,C;for(h.forEach(E=>{w=E.moved;C=E.index;switch(E.status){case "deleted":for(;p<C;)y(p++);void 0===w&&(A=t[p],
|
||||
A.Va&&(A.Va.A(),A.Va=void 0),b.g.Aa(A.N,f).length&&(e.beforeRemove&&(r.push(A),x++,A.da===d?A=null:v[A.Ea.P()]=A),A&&l.push.apply(l,A.N)));p++;break;case "added":for(;m<C;)y(p++);void 0!==w?(q.push(r.length),y(w)):u(E.value)}});m<k.length;)y(p++);r._countWaitingForRemove=x}else k.forEach(u);b.g.i.set(f,c,r);l.forEach(e.beforeRemove?b.fa:b.removeNode);var B,D,F=w=>{b.m.ic(f,w,B);B=w};h=f.ownerDocument.activeElement;if(q.length)for(;void 0!=(k=q.shift());){var A=r[k];for(B=void 0;k;)if((D=r[--k].N)&&
|
||||
D.length){B=D[D.length-1];break}A.N.forEach(F)}r.forEach(w=>{w.N||b.g.extend(w,a(f,n,w.da,g,w.Ea));w.N.forEach(F);!w.hc&&g&&(g(w.da,w.N,w.Ea),w.hc=!0,B=w.N[w.N.length-1])});f.ownerDocument.activeElement!=h&&h?.focus();((w,C)=>{if(w)for(var E=0,I=C.length;E<I;E++)C[E]&&C[E].N.forEach(L=>w(L,E,C[E].da))})(e.beforeRemove,v);v.forEach(w=>w&&(w.da=d))}})();T.ko=P})(this);
|
||||
|
|
|
|||
|
|
@ -18,7 +18,7 @@
|
|||
realDataItemOrAccessor = shouldInheritData ? undefined : dataItemOrAccessor,
|
||||
isFunc = typeof(realDataItemOrAccessor) == "function" && !ko.isObservable(realDataItemOrAccessor),
|
||||
subscribable,
|
||||
dataDependency = options && options['dataDependency'],
|
||||
dataDependency = 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
|
||||
|
|
@ -64,12 +64,11 @@
|
|||
// The extendCallback function is provided when creating a child context or extending a context.
|
||||
// It handles the specific actions needed to finish setting up the binding context. Actions in this
|
||||
// function could also add dependencies to this binding context.
|
||||
if (extendCallback)
|
||||
extendCallback(self, parentContext, dataItem);
|
||||
extendCallback?.(self, parentContext, dataItem);
|
||||
|
||||
// When a "parent" context is given and we don't already have a dependency on its context, register a dependency on it.
|
||||
// Thus whenever the parent context is updated, this context will also be updated.
|
||||
if (parentContext && parentContext[contextSubscribable] && !ko.dependencyDetection.computed().hasAncestorDependency(parentContext[contextSubscribable])) {
|
||||
if (parentContext?.[contextSubscribable] && !ko.dependencyDetection.computed().hasAncestorDependency(parentContext[contextSubscribable])) {
|
||||
parentContext[contextSubscribable]();
|
||||
}
|
||||
|
||||
|
|
@ -80,7 +79,7 @@
|
|||
return self['$data'];
|
||||
};
|
||||
|
||||
if (options && options['exportDependencies']) {
|
||||
if (options?.['exportDependencies']) {
|
||||
// The "exportDependencies" option means that the calling code will track any dependencies and re-create
|
||||
// the binding context when they change.
|
||||
updateContext();
|
||||
|
|
@ -138,7 +137,7 @@
|
|||
|
||||
function asyncContextDispose(node) {
|
||||
var bindingInfo = ko.utils.domData.get(node, boundElementDomDataKey),
|
||||
asyncContext = bindingInfo && bindingInfo.asyncContext;
|
||||
asyncContext = bindingInfo?.asyncContext;
|
||||
if (asyncContext) {
|
||||
bindingInfo.asyncContext = null;
|
||||
asyncContext.notifyAncestor();
|
||||
|
|
@ -152,25 +151,19 @@
|
|||
this.asyncDescendants = new Set;
|
||||
this.childrenComplete = false;
|
||||
|
||||
if (!bindingInfo.asyncContext) {
|
||||
ko.utils.domNodeDisposal.addDisposeCallback(node, asyncContextDispose);
|
||||
}
|
||||
bindingInfo.asyncContext || ko.utils.domNodeDisposal.addDisposeCallback(node, asyncContextDispose);
|
||||
|
||||
if (ancestorBindingInfo && ancestorBindingInfo.asyncContext) {
|
||||
if (ancestorBindingInfo?.asyncContext) {
|
||||
ancestorBindingInfo.asyncContext.asyncDescendants.add(node);
|
||||
this.ancestorBindingInfo = ancestorBindingInfo;
|
||||
}
|
||||
}
|
||||
notifyAncestor() {
|
||||
if (this.ancestorBindingInfo && this.ancestorBindingInfo.asyncContext) {
|
||||
this.ancestorBindingInfo.asyncContext.descendantComplete(this.node);
|
||||
}
|
||||
this.ancestorBindingInfo?.asyncContext?.descendantComplete(this.node);
|
||||
}
|
||||
descendantComplete(node) {
|
||||
this.asyncDescendants.delete(node);
|
||||
if (!this.asyncDescendants.size && this.childrenComplete) {
|
||||
this.completeChildren();
|
||||
}
|
||||
this.asyncDescendants.size || this.completeChildren?.();
|
||||
}
|
||||
completeChildren() {
|
||||
this.childrenComplete = true;
|
||||
|
|
@ -192,7 +185,7 @@
|
|||
if (!bindingInfo.eventSubscribable) {
|
||||
bindingInfo.eventSubscribable = new ko.subscribable;
|
||||
}
|
||||
if (options && options['notifyImmediately'] && bindingInfo.notifiedEvents[event]) {
|
||||
if (options?.['notifyImmediately'] && bindingInfo.notifiedEvents[event]) {
|
||||
ko.dependencyDetection.ignore(callback, context, [node]);
|
||||
}
|
||||
return bindingInfo.eventSubscribable.subscribe(callback, context, event);
|
||||
|
|
@ -202,13 +195,11 @@
|
|||
var bindingInfo = ko.utils.domData.get(node, boundElementDomDataKey);
|
||||
if (bindingInfo) {
|
||||
bindingInfo.notifiedEvents[event] = true;
|
||||
if (bindingInfo.eventSubscribable) {
|
||||
bindingInfo.eventSubscribable.notifySubscribers(node, event);
|
||||
}
|
||||
bindingInfo.eventSubscribable?.notifySubscribers(node, event);
|
||||
if (event == ko.bindingEvent.childrenComplete) {
|
||||
if (bindingInfo.asyncContext) {
|
||||
bindingInfo.asyncContext.completeChildren();
|
||||
} else if (bindingInfo.asyncContext === undefined && bindingInfo.eventSubscribable && bindingInfo.eventSubscribable.hasSubscriptionsForEvent(ko.bindingEvent.descendantsComplete)) {
|
||||
} else if (bindingInfo.asyncContext === undefined && bindingInfo.eventSubscribable?.hasSubscriptionsForEvent(ko.bindingEvent.descendantsComplete)) {
|
||||
// It's currently an error to register a descendantsComplete handler for a node that was never registered as completing asynchronously.
|
||||
// That's because without the asyncContext, we don't have a way to know that all descendants have completed.
|
||||
throw new Error("descendantsComplete event not supported for bindings on this node");
|
||||
|
|
@ -260,8 +251,7 @@
|
|||
// Perf optimisation: Apply bindings only if...
|
||||
// (1) We need to store the binding info for the node (all element nodes)
|
||||
// (2) It might have bindings (e.g., it has a data-bind attribute, or it's a marker for a containerless template)
|
||||
var shouldApplyBindings = isElement || ko.bindingProvider.nodeHasBindings(nodeVerified);
|
||||
if (shouldApplyBindings)
|
||||
if (isElement || ko.bindingProvider.nodeHasBindings(nodeVerified))
|
||||
bindingContextForDescendants = applyBindingsToNodeInternal(nodeVerified, null, bindingContext)['bindingContextForDescendants'];
|
||||
|
||||
// Don't want bindings that operate on text nodes to mutate <script> and <textarea> contents,
|
||||
|
|
@ -269,7 +259,7 @@
|
|||
// Also bindings should not operate on <template> elements since this breaks in Internet Explorer
|
||||
// and because such elements' contents are always intended to be bound in a different context
|
||||
// from where they appear in the document.
|
||||
if (bindingContextForDescendants && nodeVerified.matches && !nodeVerified.matches('SCRIPT,TEXTAREA,TEMPLATE')) {
|
||||
if (bindingContextForDescendants && !nodeVerified.matches?.('SCRIPT,TEXTAREA,TEMPLATE')) {
|
||||
applyBindingsToDescendantsInternal(bindingContextForDescendants, nodeVerified);
|
||||
}
|
||||
}
|
||||
|
|
@ -336,12 +326,8 @@
|
|||
bindings = sourceBindings ? sourceBindings(bindingContext, node) : ko.bindingProvider.getBindingAccessors(node, bindingContext);
|
||||
// Register a dependency on the binding context to support observable view models.
|
||||
if (bindings) {
|
||||
if (bindingContext[contextSubscribable]) {
|
||||
bindingContext[contextSubscribable]();
|
||||
}
|
||||
if (bindingContext[contextDataDependency]) {
|
||||
bindingContext[contextDataDependency]();
|
||||
}
|
||||
bindingContext[contextSubscribable]?.();
|
||||
bindingContext[contextDataDependency]?.();
|
||||
}
|
||||
return bindings;
|
||||
},
|
||||
|
|
@ -374,9 +360,7 @@
|
|||
var callback = bindings[ko.bindingEvent.childrenComplete]();
|
||||
if (callback) {
|
||||
var nodes = ko.virtualElements.childNodes(node);
|
||||
if (nodes.length) {
|
||||
callback(nodes, ko.dataFor(nodes[0]));
|
||||
}
|
||||
nodes.length && callback(nodes, ko.dataFor(nodes[0]));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
|
|
|||
|
|
@ -49,55 +49,57 @@
|
|||
array = [array];
|
||||
|
||||
options = options || {};
|
||||
var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey);
|
||||
var isFirstExecution = !lastMappingResult;
|
||||
var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey),
|
||||
isFirstExecution = !lastMappingResult,
|
||||
|
||||
// Build the new mapping result
|
||||
var newMappingResult = [];
|
||||
var lastMappingResultIndex = 0;
|
||||
var currentArrayIndex = 0;
|
||||
// Build the new mapping result
|
||||
newMappingResult = [],
|
||||
lastMappingResultIndex = 0,
|
||||
currentArrayIndex = 0,
|
||||
|
||||
var nodesToDelete = [];
|
||||
var itemsToMoveFirstIndexes = [];
|
||||
var itemsForBeforeRemoveCallbacks = [];
|
||||
var mapData;
|
||||
var countWaitingForRemove = 0;
|
||||
nodesToDelete = [],
|
||||
itemsToMoveFirstIndexes = [],
|
||||
itemsForBeforeRemoveCallbacks = [],
|
||||
mapData,
|
||||
countWaitingForRemove = 0,
|
||||
|
||||
function itemAdded(value) {
|
||||
mapData = { arrayEntry: value, indexObservable: ko.observable(currentArrayIndex++) };
|
||||
newMappingResult.push(mapData);
|
||||
}
|
||||
itemAdded = value => {
|
||||
mapData = { arrayEntry: value, indexObservable: ko.observable(currentArrayIndex++) };
|
||||
newMappingResult.push(mapData);
|
||||
},
|
||||
|
||||
function itemMovedOrRetained(oldPosition) {
|
||||
mapData = lastMappingResult[oldPosition];
|
||||
// Since updating the index might change the nodes, do so before calling fixUpContinuousNodeArray
|
||||
mapData.indexObservable(currentArrayIndex++);
|
||||
ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode);
|
||||
newMappingResult.push(mapData);
|
||||
}
|
||||
itemMovedOrRetained = oldPosition => {
|
||||
mapData = lastMappingResult[oldPosition];
|
||||
// Since updating the index might change the nodes, do so before calling fixUpContinuousNodeArray
|
||||
mapData.indexObservable(currentArrayIndex++);
|
||||
ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode);
|
||||
newMappingResult.push(mapData);
|
||||
},
|
||||
|
||||
function callCallback(callback, items) {
|
||||
if (callback) {
|
||||
for (var i = 0, n = items.length; i < n; i++) {
|
||||
items[i] && items[i].mappedNodes.forEach(node => callback(node, i, items[i].arrayEntry));
|
||||
callCallback = (callback, items) => {
|
||||
if (callback) {
|
||||
for (var i = 0, n = items.length; i < n; i++) {
|
||||
items[i] && items[i].mappedNodes.forEach(node => callback(node, i, items[i].arrayEntry));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
if (isFirstExecution) {
|
||||
array.forEach(itemAdded);
|
||||
} else {
|
||||
if (!editScript || (lastMappingResult && lastMappingResult['_countWaitingForRemove'])) {
|
||||
// Compare the provided array against the previous one
|
||||
var lastArray = Array.prototype.map.call(lastMappingResult, x => x.arrayEntry),
|
||||
compareOptions = {
|
||||
editScript = ko.utils.compareArrays(
|
||||
Array.prototype.map.call(lastMappingResult, x => x.arrayEntry),
|
||||
array,
|
||||
{
|
||||
'dontLimitMoves': options['dontLimitMoves'],
|
||||
'sparse': true
|
||||
};
|
||||
editScript = ko.utils.compareArrays(lastArray, array, compareOptions);
|
||||
});
|
||||
}
|
||||
|
||||
for (let i = 0, editScriptItem, movedIndex, itemIndex; editScriptItem = editScript[i]; i++) {
|
||||
let movedIndex, itemIndex;
|
||||
editScript.forEach(editScriptItem => {
|
||||
movedIndex = editScriptItem['moved'];
|
||||
itemIndex = editScriptItem['index'];
|
||||
switch (editScriptItem['status']) {
|
||||
|
|
@ -145,7 +147,7 @@
|
|||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
while (currentArrayIndex < array.length) {
|
||||
itemMovedOrRetained(lastMappingResultIndex++);
|
||||
|
|
@ -162,7 +164,11 @@
|
|||
// Next remove nodes for deleted items (or just clean if there's a beforeRemove callback)
|
||||
nodesToDelete.forEach(options['beforeRemove'] ? ko.cleanNode : ko.removeNode);
|
||||
|
||||
var i, j, lastNode, nodeToInsert, mappedNodes, activeElement;
|
||||
var i, lastNode, mappedNodes, activeElement,
|
||||
insertNode = nodeToInsert => {
|
||||
ko.virtualElements.insertAfter(domNode, nodeToInsert, lastNode);
|
||||
lastNode = nodeToInsert;
|
||||
};
|
||||
|
||||
// Since most browsers remove the focus from an element when it's moved to another location,
|
||||
// save the focused element and try to restore it later.
|
||||
|
|
@ -173,27 +179,24 @@
|
|||
while ((i = itemsToMoveFirstIndexes.shift()) != undefined) {
|
||||
mapData = newMappingResult[i];
|
||||
for (lastNode = undefined; i; ) {
|
||||
if ((mappedNodes = newMappingResult[--i].mappedNodes) && mappedNodes.length) {
|
||||
mappedNodes = newMappingResult[--i].mappedNodes;
|
||||
if (mappedNodes?.length) {
|
||||
lastNode = mappedNodes[mappedNodes.length - 1];
|
||||
break;
|
||||
}
|
||||
}
|
||||
for (j = 0; nodeToInsert = mapData.mappedNodes[j]; lastNode = nodeToInsert, j++) {
|
||||
ko.virtualElements.insertAfter(domNode, nodeToInsert, lastNode);
|
||||
}
|
||||
mapData.mappedNodes.forEach(insertNode);
|
||||
}
|
||||
}
|
||||
|
||||
// Next add/reorder the remaining items (will include deleted items if there's a beforeRemove callback)
|
||||
for (i = 0; mapData = newMappingResult[i]; i++) {
|
||||
newMappingResult.forEach(mapData => {
|
||||
// Get nodes for newly added items
|
||||
if (!mapData.mappedNodes)
|
||||
ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
|
||||
mapData.mappedNodes
|
||||
|| ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
|
||||
|
||||
// Put nodes in the right place if they aren't there already
|
||||
for (j = 0; nodeToInsert = mapData.mappedNodes[j]; lastNode = nodeToInsert, j++) {
|
||||
ko.virtualElements.insertAfter(domNode, nodeToInsert, lastNode);
|
||||
}
|
||||
mapData.mappedNodes.forEach(insertNode);
|
||||
|
||||
// Run the callbacks for newly added nodes (for example, to apply bindings, etc.)
|
||||
if (!mapData.initialized && callbackAfterAddingNodes) {
|
||||
|
|
@ -201,11 +204,11 @@
|
|||
mapData.initialized = true;
|
||||
lastNode = mapData.mappedNodes[mapData.mappedNodes.length - 1]; // get the last node again since it may have been changed by a preprocessor
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
// Restore the focused element if it had lost focus
|
||||
if (activeElement && domNode.ownerDocument.activeElement != activeElement) {
|
||||
activeElement.focus();
|
||||
if (domNode.ownerDocument.activeElement != activeElement) {
|
||||
activeElement?.focus();
|
||||
}
|
||||
|
||||
// If there's a beforeRemove callback, call it after reordering.
|
||||
|
|
@ -218,10 +221,6 @@
|
|||
// Replace the stored values of deleted items with a dummy value. This provides two benefits: it marks this item
|
||||
// as already "removed" so we won't call beforeRemove for it again, and it ensures that the item won't match up
|
||||
// with an actual item in the array and appear as "retained" or "moved".
|
||||
for (i = 0; i < itemsForBeforeRemoveCallbacks.length; ++i) {
|
||||
if (itemsForBeforeRemoveCallbacks[i]) {
|
||||
itemsForBeforeRemoveCallbacks[i].arrayEntry = deletedItemDummyValue;
|
||||
}
|
||||
}
|
||||
itemsForBeforeRemoveCallbacks.forEach(callback => callback && (callback.arrayEntry = deletedItemDummyValue));
|
||||
}
|
||||
})();
|
||||
|
|
|
|||
|
|
@ -1,20 +1,19 @@
|
|||
// Go through the items that have been added and deleted and try to find matches between them.
|
||||
ko.utils.findMovesInArrayComparison = (left, right, limitFailedCompares) => {
|
||||
if (left.length && right.length) {
|
||||
var failedCompares, l, r, leftItem, rightItem;
|
||||
for (failedCompares = l = 0; (!limitFailedCompares || failedCompares < limitFailedCompares) && (leftItem = left[l]); ++l) {
|
||||
for (r = 0; rightItem = right[r]; ++r) {
|
||||
if (leftItem['value'] === rightItem['value']) {
|
||||
leftItem['moved'] = rightItem['index'];
|
||||
rightItem['moved'] = leftItem['index'];
|
||||
right.splice(r, 1); // This item is marked as moved; so remove it from right list
|
||||
failedCompares = r = 0; // Reset failed compares count because we're checking for consecutive failures
|
||||
break;
|
||||
}
|
||||
}
|
||||
failedCompares += r;
|
||||
var failedCompares = 0, r, l = right.length;
|
||||
l && left.every(leftItem => {
|
||||
r = right.findIndex(rightItem => leftItem['value'] === rightItem['value']);
|
||||
if (r >= 0) {
|
||||
leftItem['moved'] = right[r]['index'];
|
||||
right[r]['moved'] = leftItem['index'];
|
||||
right.splice(r, 1); // This item is marked as moved; so remove it from right list
|
||||
// right[r] = null;
|
||||
failedCompares = r = 0; // Reset failed compares count because we're checking for consecutive failures
|
||||
--l;
|
||||
}
|
||||
}
|
||||
failedCompares += l;
|
||||
return l && (!limitFailedCompares || failedCompares < limitFailedCompares);
|
||||
});
|
||||
};
|
||||
|
||||
ko.utils.compareArrays = (() => {
|
||||
|
|
@ -24,15 +23,15 @@ ko.utils.compareArrays = (() => {
|
|||
var myMin = Math.min,
|
||||
myMax = Math.max,
|
||||
editDistanceMatrix = [],
|
||||
smlIndex, smlIndexMax = smlArray.length,
|
||||
smlIndex = -1, smlIndexMax = smlArray.length,
|
||||
bigIndex, bigIndexMax = bigArray.length,
|
||||
compareRange = (bigIndexMax - smlIndexMax) || 1,
|
||||
maxDistance = smlIndexMax + bigIndexMax + 1,
|
||||
thisRow, lastRow,
|
||||
thisRow, prevRow,
|
||||
bigIndexMaxForRow, bigIndexMinForRow;
|
||||
|
||||
for (smlIndex = 0; smlIndex <= smlIndexMax; smlIndex++) {
|
||||
lastRow = thisRow;
|
||||
while (++smlIndex <= smlIndexMax) {
|
||||
prevRow = thisRow;
|
||||
editDistanceMatrix.push(thisRow = []);
|
||||
bigIndexMaxForRow = myMin(bigIndexMax, smlIndex + compareRange);
|
||||
bigIndexMinForRow = myMax(0, smlIndex - 1);
|
||||
|
|
@ -42,9 +41,9 @@ ko.utils.compareArrays = (() => {
|
|||
else if (!smlIndex) // Top row - transform empty array into new array via additions
|
||||
thisRow[bigIndex] = bigIndex + 1;
|
||||
else if (smlArray[smlIndex - 1] === bigArray[bigIndex - 1])
|
||||
thisRow[bigIndex] = lastRow[bigIndex - 1]; // copy value (no edit)
|
||||
thisRow[bigIndex] = prevRow[bigIndex - 1]; // copy value (no edit)
|
||||
else {
|
||||
var northDistance = lastRow[bigIndex] || maxDistance; // not in big (deletion)
|
||||
var northDistance = prevRow[bigIndex] || maxDistance; // not in big (deletion)
|
||||
var westDistance = thisRow[bigIndex - 1] || maxDistance; // not in small (addition)
|
||||
thisRow[bigIndex] = myMin(northDistance, westDistance) + 1;
|
||||
}
|
||||
|
|
@ -52,7 +51,9 @@ ko.utils.compareArrays = (() => {
|
|||
}
|
||||
|
||||
var editScript = [], meMinusOne, notInSml = [], notInBig = [];
|
||||
for (smlIndex = smlIndexMax, bigIndex = bigIndexMax; smlIndex || bigIndex;) {
|
||||
smlIndex = smlIndexMax;
|
||||
bigIndex = bigIndexMax
|
||||
while (smlIndex || bigIndex) {
|
||||
meMinusOne = editDistanceMatrix[smlIndex][bigIndex] - 1;
|
||||
if (bigIndex && meMinusOne === editDistanceMatrix[smlIndex][bigIndex-1]) {
|
||||
notInSml.push(editScript[editScript.length] = { // added
|
||||
|
|
|
|||
|
|
@ -176,9 +176,7 @@ ko.expressionRewriting = (() => {
|
|||
// it is !== existing value on that writable observable
|
||||
writeValueToProperty: (property, allBindings, key, value, checkIfDifferent) => {
|
||||
if (!property || !ko.isObservable(property)) {
|
||||
var propWriters = allBindings.get('_ko_property_writers');
|
||||
if (propWriters && propWriters[key])
|
||||
propWriters[key](value);
|
||||
allBindings.get('_ko_property_writers')?.[key]?.(value);
|
||||
} else if (ko.isWriteableObservable(property) && (!checkIfDifferent || property.peek() !== value)) {
|
||||
property(value);
|
||||
}
|
||||
|
|
|
|||
15
vendors/knockout/src/binding/selectExtensions.js
vendored
15
vendors/knockout/src/binding/selectExtensions.js
vendored
|
|
@ -8,11 +8,13 @@
|
|||
readValue : element => {
|
||||
switch (element.nodeName) {
|
||||
case 'OPTION':
|
||||
if (element[hasDomDataExpandoProperty] === true)
|
||||
return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
|
||||
return element.value;
|
||||
return (element[hasDomDataExpandoProperty] === true)
|
||||
? ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey)
|
||||
: element.value;
|
||||
case 'SELECT':
|
||||
return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
|
||||
return element.selectedIndex >= 0
|
||||
? ko.selectExtensions.readValue(element.options[element.selectedIndex])
|
||||
: undefined;
|
||||
default:
|
||||
return element.value;
|
||||
}
|
||||
|
|
@ -37,8 +39,9 @@
|
|||
break;
|
||||
case 'SELECT':
|
||||
// A blank string or null value will select the caption
|
||||
var selection = -1, noValue = ("" === value || null == value);
|
||||
for (var i = 0, n = element.options.length, optionValue; i < n; ++i) {
|
||||
var selection = -1, noValue = ("" === value || null == value),
|
||||
i = element.options.length, optionValue;
|
||||
while (i--) {
|
||||
optionValue = ko.selectExtensions.readValue(element.options[i]);
|
||||
// Include special check to handle selecting a caption with a blank string value
|
||||
if (optionValue == value || (optionValue === "" && noValue)) {
|
||||
|
|
|
|||
|
|
@ -63,8 +63,6 @@ ko.computed = (evaluatorFunctionOrOptions, options) => {
|
|||
state.pure = true;
|
||||
state.isSleeping = true; // Starts off sleeping; will awake on the first subscription
|
||||
ko.utils.extend(computedObservable, pureComputedOverrides);
|
||||
} else if (options['deferEvaluation']) {
|
||||
ko.utils.extend(computedObservable, deferEvaluationOverrides);
|
||||
}
|
||||
|
||||
if (state.disposeWhenNodeIsRemoved) {
|
||||
|
|
@ -82,10 +80,8 @@ ko.computed = (evaluatorFunctionOrOptions, options) => {
|
|||
}
|
||||
}
|
||||
|
||||
// Evaluate, unless sleeping or deferEvaluation is true
|
||||
if (!state.isSleeping && !options['deferEvaluation']) {
|
||||
computedObservable.evaluateImmediate();
|
||||
}
|
||||
// Evaluate, unless sleeping
|
||||
state.isSleeping || computedObservable.evaluateImmediate();
|
||||
|
||||
// Attach a DOM node disposal callback so that the computed will be proactively disposed as soon as the node is
|
||||
// removed using ko.removeNode. But skip if isActive is false (there will never be any dependencies to dispose).
|
||||
|
|
@ -228,16 +224,13 @@ var computedFn = {
|
|||
disposeWhen = state.disposeWhen,
|
||||
changed = false;
|
||||
|
||||
if (state.isBeingEvaluated) {
|
||||
// If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
|
||||
// This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
|
||||
// certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
|
||||
// their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
|
||||
return;
|
||||
}
|
||||
|
||||
// If the evaluation of a ko.computed causes side effects, it's possible that it will trigger its own re-evaluation.
|
||||
// This is not desirable (it's hard for a developer to realise a chain of dependencies might cause this, and they almost
|
||||
// certainly didn't intend infinite re-evaluations). So, for predictability, we simply prevent ko.computeds from causing
|
||||
// their own re-evaluation. Further discussion at https://github.com/SteveSanderson/knockout/pull/387
|
||||
if (state.isBeingEvaluated
|
||||
// Do not evaluate (and possibly capture new dependencies) if disposed
|
||||
if (state.isDisposed) {
|
||||
|| state.isDisposed) {
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -252,8 +245,8 @@ var computedFn = {
|
|||
state.suppressDisposalUntilDisposeWhenReturnsFalse = false;
|
||||
}
|
||||
|
||||
state.isBeingEvaluated = true;
|
||||
try {
|
||||
state.isBeingEvaluated = true;
|
||||
changed = this.evaluateImmediate_CallReadWithDependencyDetection(notifyChange);
|
||||
} finally {
|
||||
state.isBeingEvaluated = false;
|
||||
|
|
@ -324,7 +317,7 @@ var computedFn = {
|
|||
return changed;
|
||||
},
|
||||
peek: function (evaluate) {
|
||||
// By default, peek won't re-evaluate, except while the computed is sleeping or to get the initial value when "deferEvaluation" is set.
|
||||
// By default, peek won't re-evaluate, except while the computed is sleeping.
|
||||
// Pass in true to evaluate if needed.
|
||||
var state = this[computedState];
|
||||
if ((state.isDirty && (evaluate || !state.dependenciesCount)) || (state.isSleeping && this.haveDependenciesChanged())) {
|
||||
|
|
@ -333,30 +326,31 @@ var computedFn = {
|
|||
return state.latestValue;
|
||||
},
|
||||
limit: function (limitFunction) {
|
||||
var self = this;
|
||||
// Override the limit function with one that delays evaluation as well
|
||||
ko.subscribable['fn'].limit.call(this, limitFunction);
|
||||
this._evalIfChanged = function () {
|
||||
if (!this[computedState].isSleeping) {
|
||||
if (this[computedState].isStale) {
|
||||
this.evaluateImmediate();
|
||||
ko.subscribable['fn'].limit.call(self, limitFunction);
|
||||
self._evalIfChanged = () => {
|
||||
if (!self[computedState].isSleeping) {
|
||||
if (self[computedState].isStale) {
|
||||
self.evaluateImmediate();
|
||||
} else {
|
||||
this[computedState].isDirty = false;
|
||||
self[computedState].isDirty = false;
|
||||
}
|
||||
}
|
||||
return this[computedState].latestValue;
|
||||
return self[computedState].latestValue;
|
||||
};
|
||||
this._evalDelayed = function (isChange) {
|
||||
this._limitBeforeChange(this[computedState].latestValue);
|
||||
self._evalDelayed = isChange => {
|
||||
self._limitBeforeChange(self[computedState].latestValue);
|
||||
|
||||
// Mark as dirty
|
||||
this[computedState].isDirty = true;
|
||||
self[computedState].isDirty = true;
|
||||
if (isChange) {
|
||||
this[computedState].isStale = true;
|
||||
self[computedState].isStale = true;
|
||||
}
|
||||
|
||||
// Pass the observable to the "limit" code, which will evaluate it when
|
||||
// it's time to do the notification.
|
||||
this._limitChange(this, !isChange /* isDirty */);
|
||||
self._limitChange(self, !isChange /* isDirty */);
|
||||
};
|
||||
},
|
||||
dispose: function () {
|
||||
|
|
@ -450,15 +444,6 @@ var pureComputedOverrides = {
|
|||
}
|
||||
};
|
||||
|
||||
var deferEvaluationOverrides = {
|
||||
beforeSubscriptionAdd: function (event) {
|
||||
// This will force a computed with deferEvaluation to evaluate when the first subscription is registered.
|
||||
if (event == 'change' || event == 'beforeChange') {
|
||||
this.peek();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// Note that for browsers that don't support proto assignment, the
|
||||
// inheritance chain is created manually in the ko.computed constructor
|
||||
Object.setPrototypeOf(computedFn, ko.subscribable['fn']);
|
||||
|
|
|
|||
|
|
@ -22,25 +22,17 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
|
|||
|
||||
// Watch "subscribe" calls, and for array change events, ensure change tracking is enabled
|
||||
target.beforeSubscriptionAdd = event => {
|
||||
if (underlyingBeforeSubscriptionAddFunction) {
|
||||
underlyingBeforeSubscriptionAddFunction.call(target, event);
|
||||
}
|
||||
underlyingBeforeSubscriptionAddFunction?.call(target, event);
|
||||
if (event === arrayChangeEventName) {
|
||||
trackChanges();
|
||||
}
|
||||
};
|
||||
// Watch "dispose" calls, and for array change events, ensure change tracking is disabled when all are disposed
|
||||
target.afterSubscriptionRemove = event => {
|
||||
if (underlyingAfterSubscriptionRemoveFunction) {
|
||||
underlyingAfterSubscriptionRemoveFunction.call(target, event);
|
||||
}
|
||||
underlyingAfterSubscriptionRemoveFunction?.call(target, event);
|
||||
if (event === arrayChangeEventName && !target.hasSubscriptionsForEvent(arrayChangeEventName)) {
|
||||
if (changeSubscription) {
|
||||
changeSubscription.dispose();
|
||||
}
|
||||
if (spectateSubscription) {
|
||||
spectateSubscription.dispose();
|
||||
}
|
||||
changeSubscription?.dispose();
|
||||
spectateSubscription?.dispose();
|
||||
spectateSubscription = changeSubscription = null;
|
||||
trackingChanges = false;
|
||||
previousContents = undefined;
|
||||
|
|
@ -48,23 +40,6 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
|
|||
};
|
||||
|
||||
function trackChanges() {
|
||||
if (trackingChanges) {
|
||||
// Whenever there's a new subscription and there are pending notifications, make sure all previous
|
||||
// subscriptions are notified of the change so that all subscriptions are in sync.
|
||||
notifyChanges();
|
||||
return;
|
||||
}
|
||||
|
||||
trackingChanges = true;
|
||||
|
||||
// Track how many times the array actually changed value
|
||||
spectateSubscription = target.subscribe(() => ++pendingChanges, null, "spectate");
|
||||
|
||||
// Each time the array changes value, capture a clone so that on the next
|
||||
// change it's possible to produce a diff
|
||||
previousContents = [].concat(target.peek() || []);
|
||||
cachedDiff = null;
|
||||
changeSubscription = target.subscribe(notifyChanges);
|
||||
|
||||
function notifyChanges() {
|
||||
if (pendingChanges) {
|
||||
|
|
@ -86,6 +61,24 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (trackingChanges) {
|
||||
// Whenever there's a new subscription and there are pending notifications, make sure all previous
|
||||
// subscriptions are notified of the change so that all subscriptions are in sync.
|
||||
notifyChanges();
|
||||
return;
|
||||
}
|
||||
|
||||
trackingChanges = true;
|
||||
|
||||
// Track how many times the array actually changed value
|
||||
spectateSubscription = target.subscribe(() => ++pendingChanges, null, "spectate");
|
||||
|
||||
// Each time the array changes value, capture a clone so that on the next
|
||||
// change it's possible to produce a diff
|
||||
previousContents = [].concat(target.peek() || []);
|
||||
cachedDiff = null;
|
||||
changeSubscription = target.subscribe(notifyChanges);
|
||||
}
|
||||
|
||||
function getChanges(previousContents, currentContents) {
|
||||
|
|
@ -126,20 +119,19 @@ ko.extenders['trackArrayChanges'] = (target, options) => {
|
|||
case 'pop':
|
||||
offset = arrayLength - 1;
|
||||
case 'shift':
|
||||
if (arrayLength) {
|
||||
pushDiff('deleted', rawArray[offset], offset);
|
||||
}
|
||||
arrayLength && pushDiff('deleted', rawArray[offset], offset);
|
||||
break;
|
||||
|
||||
case 'splice':
|
||||
// Negative start index means 'from end of array'. After that we clamp to [0...arrayLength].
|
||||
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice
|
||||
var startIndex = Math.min(Math.max(0, args[0] < 0 ? arrayLength + args[0] : args[0]), arrayLength),
|
||||
endDeleteIndex = argsLength === 1 ? arrayLength : Math.min(startIndex + (args[1] || 0), arrayLength),
|
||||
endAddIndex = startIndex + argsLength - 2,
|
||||
var index = Math.min(Math.max(0, args[0] < 0 ? arrayLength + args[0] : args[0]), arrayLength),
|
||||
endDeleteIndex = argsLength === 1 ? arrayLength : Math.min(index + (args[1] || 0), arrayLength),
|
||||
endAddIndex = index + argsLength - 2,
|
||||
endIndex = Math.max(endDeleteIndex, endAddIndex),
|
||||
additions = [], deletions = [];
|
||||
for (let index = startIndex, argsIndex = 2; index < endIndex; ++index, ++argsIndex) {
|
||||
additions = [], deletions = [],
|
||||
argsIndex = 2;
|
||||
for (; index < endIndex; ++index, ++argsIndex) {
|
||||
if (index < endDeleteIndex)
|
||||
deletions.push(pushDiff('deleted', rawArray[index], index));
|
||||
if (index < endAddIndex)
|
||||
|
|
|
|||
|
|
@ -14,9 +14,8 @@ class koSubscription
|
|||
dispose() {
|
||||
var self = this;
|
||||
if (!self._isDisposed) {
|
||||
if (self._domNodeDisposalCallback) {
|
||||
ko.utils.domNodeDisposal.removeDisposeCallback(self._node, self._domNodeDisposalCallback);
|
||||
}
|
||||
self._domNodeDisposalCallback
|
||||
&& ko.utils.domNodeDisposal.removeDisposeCallback(self._node, self._domNodeDisposalCallback);
|
||||
self._isDisposed = true;
|
||||
self._disposeCallback();
|
||||
|
||||
|
|
@ -53,15 +52,12 @@ var ko_subscribable_fn = {
|
|||
|
||||
var subscription = new koSubscription(self, boundCallback, () => {
|
||||
self._subscriptions.get(event).delete(subscription);
|
||||
if (self.afterSubscriptionRemove)
|
||||
self.afterSubscriptionRemove(event);
|
||||
self.afterSubscriptionRemove?.(event);
|
||||
});
|
||||
|
||||
if (self.beforeSubscriptionAdd)
|
||||
self.beforeSubscriptionAdd(event);
|
||||
self.beforeSubscriptionAdd?.(event);
|
||||
|
||||
if (!self._subscriptions.has(event))
|
||||
self._subscriptions.set(event, new Set);
|
||||
self._subscriptions.has(event) || self._subscriptions.set(event, new Set);
|
||||
self._subscriptions.get(event).add(subscription);
|
||||
|
||||
return subscription;
|
||||
|
|
@ -107,13 +103,13 @@ var ko_subscribable_fn = {
|
|||
if (!self._origNotifySubscribers) {
|
||||
self._origNotifySubscribers = self.notifySubscribers;
|
||||
// Moved out of "limit" to avoid the extra closure
|
||||
self.notifySubscribers = function(value, event) {
|
||||
self.notifySubscribers = (value, event) => {
|
||||
if (!event || event === defaultEvent) {
|
||||
this._limitChange(value);
|
||||
} else if (event === 'beforeChange') {
|
||||
this._limitBeforeChange(value);
|
||||
self._limitChange(value);
|
||||
} else if (event === beforeChange) {
|
||||
self._limitBeforeChange(value);
|
||||
} else {
|
||||
this._origNotifySubscribers(value, event);
|
||||
self._origNotifySubscribers(value, event);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue