return (p0, p1) => {
if (!looseIdentical(v0, p0) || !looseIdentical(v1, p1)) {
v0 = p0;
v1 = p1;
result = fn(p0, p1);
}
return result;
};
return (p0, p1, p2) => {
if (!looseIdentical(v0, p0) || !looseIdentical(v1, p1) || !looseIdentical(v2, p2)) {
v0 = p0;
v1 = p1;
v2 = p2;
result = fn(p0, p1, p2);
}
return result;
};
return (p0, p1, p2, p3, p4) => {
if (!looseIdentical(v0, p0) || !looseIdentical(v1, p1) || !looseIdentical(v2, p2) ||
!looseIdentical(v3, p3) || !looseIdentical(v4, p4)) {
v0 = p0;
v1 = p1;
v2 = p2;
v3 = p3;
v4 = p4;
result = fn(p0, p1, p2, p3, p4);
}
return result;
};
// todo(vicb): optim for UnmodifiableListView (frozen arrays)
check(collection) {
this._reset();
var record = this._itHead;
var mayBeDirty = false;
var index;
var item;
var itemTrackBy;
if (isArray(collection)) {
var list = collection;
this._length = collection.length;
for (index = 0; index < this._length; index++) {
item = list[index];
itemTrackBy = this._trackByFn(index, item);
if (record === null || !looseIdentical(record.trackById, itemTrackBy)) {
record = this._mismatch(record, item, itemTrackBy, index);
mayBeDirty = true;
}
else {
if (mayBeDirty) {
// TODO(misko): can we limit this to duplicates only?
record = this._verifyReinsertion(record, item, itemTrackBy, index);
}
if (!looseIdentical(record.item, item))
this._addIdentityChange(record, item);
}
record = record._next;
}
}
else {
index = 0;
iterateListLike(collection, (item) => {
itemTrackBy = this._trackByFn(index, item);
if (record === null || !looseIdentical(record.trackById, itemTrackBy)) {
record = this._mismatch(record, item, itemTrackBy, index);
mayBeDirty = true;
}
else {
if (mayBeDirty) {
// TODO(misko): can we limit this to duplicates only?
record = this._verifyReinsertion(record, item, itemTrackBy, index);
}
if (!looseIdentical(record.item, item))
this._addIdentityChange(record, item);
}
record = record._next;
index++;
});
this._length = index;
}
this._truncate(record);
this._collection = collection;
return this.isDirty;
}
return (p0) => {
if (!looseIdentical(v0, p0)) {
v0 = p0;
result = fn(p0);
}
return result;
};
SelectControlValueAccessor.prototype._getOptionId = function (value) {
for (var _i = 0, _a = collection_1.MapWrapper.keys(this._optionMap); _i < _a.length; _i++) {
var id = _a[_i];
if (lang_1.looseIdentical(this._optionMap.get(id), value))
return id;
}
return null;
};
function isPropertyUpdated(changes, viewModel) {
if (!collection_1.StringMapWrapper.contains(changes, "model"))
return false;
var change = changes["model"];
if (change.isFirstChange())
return true;
return !lang_1.looseIdentical(viewModel, change.currentValue);
}
iterateListLike(collection, (item) => {
itemTrackBy = this._trackByFn(index, item);
if (record === null || !looseIdentical(record.trackById, itemTrackBy)) {
record = this._mismatch(record, item, itemTrackBy, index);
mayBeDirty = true;
}
else {
if (mayBeDirty) {
// TODO(misko): can we limit this to duplicates only?
record = this._verifyReinsertion(record, item, itemTrackBy, index);
}
if (!looseIdentical(record.item, item))
this._addIdentityChange(record, item);
}
record = record._next;
index++;
});
export function arrayLooseIdentical(a, b) {
if (a.length != b.length)
return false;
for (var i = 0; i < a.length; ++i) {
if (!looseIdentical(a[i], b[i]))
return false;
}
return true;
}
// Returns a CollectionChangeRecord having CollectionChangeRecord.trackById == trackById and
// CollectionChangeRecord.currentIndex >= afterIndex
get(trackById, afterIndex) {
var record;
for (record = this._head; record !== null; record = record._nextDup) {
if ((afterIndex === null || afterIndex < record.currentIndex) &&
looseIdentical(record.trackById, trackById)) {
return record;
}
}
return null;
}
return (p0, p1, p2, p3, p4, p5, p6, p7, p8, p9) => {
if (!looseIdentical(v0, p0) || !looseIdentical(v1, p1) || !looseIdentical(v2, p2) ||
!looseIdentical(v3, p3) || !looseIdentical(v4, p4) || !looseIdentical(v5, p5) ||
!looseIdentical(v6, p6) || !looseIdentical(v7, p7) || !looseIdentical(v8, p8) ||
!looseIdentical(v9, p9)) {
v0 = p0;
v1 = p1;
v2 = p2;
v3 = p3;
v4 = p4;
v5 = p5;
v6 = p6;
v7 = p7;
v8 = p8;
v9 = p9;
result = fn(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9);
}
return result;
};
// Returns a CollectionChangeRecord having CollectionChangeRecord.item == item and
// CollectionChangeRecord.currentIndex >= afterIndex
get(item, afterIndex:int):CollectionChangeRecord {
var record:CollectionChangeRecord;
for (record = this._head; record !== null; record = record._nextDup) {
if ((afterIndex === null || afterIndex < record.currentIndex) &&
looseIdentical(record.item, item)) {
return record;
}
}
return null;
}
iterateListLike(collection, (item) => {
if (record === null || !looseIdentical(record.item, item)) {
record = this._mismatch(record, item, index);
mayBeDirty = true;
} else if (mayBeDirty) {
// TODO(misko): can we limit this to duplicates only?
record = this._verifyReinsertion(record, item, index);
}
record = record._next;
index++
});
export function checkBinding(throwOnChange, oldValue, newValue) {
if (throwOnChange) {
if (!devModeEqual(oldValue, newValue)) {
throw new ExpressionChangedAfterItHasBeenCheckedException(oldValue, newValue, null);
}
return false;
}
else {
return !looseIdentical(oldValue, newValue);
}
}
/**
* This is the core function which handles differences between collections.
*
* - `record` is the record which we saw at this position last time. If null then it is a new
* item.
* - `item` is the current item in the collection
* - `index` is the position of the item in the collection
*
* @internal
*/
_mismatch(record, item, itemTrackBy, index) {
// The previous record after which we will append the current one.
var previousRecord;
if (record === null) {
previousRecord = this._itTail;
}
else {
previousRecord = record._prev;
// Remove the record from the collection since we know it does not match the item.
this._remove(record);
}
// Attempt to see if we have seen the item before.
record = this._linkedRecords === null ? null : this._linkedRecords.get(itemTrackBy, index);
if (record !== null) {
// We have seen this before, we need to move it forward in the collection.
// But first we need to check if identity changed, so we can update in view if necessary
if (!looseIdentical(record.item, item))
this._addIdentityChange(record, item);
this._moveAfter(record, previousRecord, index);
}
else {
// Never seen it, check evicted list.
record = this._unlinkedRecords === null ? null : this._unlinkedRecords.get(itemTrackBy);
if (record !== null) {
// It is an item which we have evicted earlier: reinsert it back into the list.
// But first we need to check if identity changed, so we can update in view if necessary
if (!looseIdentical(record.item, item))
this._addIdentityChange(record, item);
this._reinsertAfter(record, previousRecord, index);
}
else {
// It is a new item: add it.
record =
this._addAfter(new CollectionChangeRecord(item, itemTrackBy), previousRecord, index);
}
}
return record;
}
export function mapLooseIdentical(m1, m2) {
var k1 = StringMapWrapper.keys(m1);
var k2 = StringMapWrapper.keys(m2);
if (k1.length != k2.length) {
return false;
}
var key;
for (var i = 0; i < k1.length; i++) {
key = k1[i];
if (!looseIdentical(m1[key], m2[key])) {
return false;
}
}
return true;
}
return (p0, p1, p2, p3, p4, p5, p6) => {
if (!looseIdentical(v0, p0) || !looseIdentical(v1, p1) || !looseIdentical(v2, p2) ||
!looseIdentical(v3, p3) || !looseIdentical(v4, p4) || !looseIdentical(v5, p5) ||
!looseIdentical(v6, p6)) {
v0 = p0;
v1 = p1;
v2 = p2;
v3 = p3;
v4 = p4;
v5 = p5;
v6 = p6;
result = fn(p0, p1, p2, p3, p4, p5, p6);
}
return result;
};
// todo(vicb): optim for UnmodifiableListView (frozen arrays)
check(collection):boolean {
this._reset();
var record:CollectionChangeRecord = this._itHead;
var mayBeDirty:boolean = false;
var index:int;
var item;
if (ListWrapper.isList(collection)) {
var list = collection;
this._length = collection.length;
for (index = 0; index < this._length; index++) {
item = list[index];
if (record === null || !looseIdentical(record.item, item)) {
record = this._mismatch(record, item, index);
mayBeDirty = true;
} else if (mayBeDirty) {
// TODO(misko): can we limit this to duplicates only?
record = this._verifyReinsertion(record, item, index);
}
record = record._next;
}
} else {
index = 0;
iterateListLike(collection, (item) => {
if (record === null || !looseIdentical(record.item, item)) {
record = this._mismatch(record, item, index);
mayBeDirty = true;
} else if (mayBeDirty) {
// TODO(misko): can we limit this to duplicates only?
record = this._verifyReinsertion(record, item, index);
}
record = record._next;
index++
});
this._length = index;
}
this._truncate(record);
this._collection = collection;
return this.isDirty;
}
this._forEach(map, function (value, key) {
var newSeqRecord;
if (oldSeqRecord !== null && key === oldSeqRecord.key) {
newSeqRecord = oldSeqRecord;
if (!lang_1.looseIdentical(value, oldSeqRecord.currentValue)) {
oldSeqRecord.previousValue = oldSeqRecord.currentValue;
oldSeqRecord.currentValue = value;
_this._addToChanges(oldSeqRecord);
}
}
else {
seqChanged = true;
if (oldSeqRecord !== null) {
oldSeqRecord._next = null;
_this._removeFromSeq(lastOldSeqRecord, oldSeqRecord);
_this._addToRemovals(oldSeqRecord);
}
if (records.has(key)) {
newSeqRecord = records.get(key);
}
else {
newSeqRecord = new KeyValueChangeRecord(key);
records.set(key, newSeqRecord);
newSeqRecord.currentValue = value;
_this._addToAdditions(newSeqRecord);
}
}
if (seqChanged) {
if (_this._isInRemovals(newSeqRecord)) {
_this._removeFromRemovals(newSeqRecord);
}
if (lastNewSeqRecord == null) {
_this._mapHead = newSeqRecord;
}
else {
lastNewSeqRecord._next = newSeqRecord;
}
}
lastOldSeqRecord = oldSeqRecord;
lastNewSeqRecord = newSeqRecord;
oldSeqRecord = oldSeqRecord === null ? null : oldSeqRecord._next;
});
this._forEach(map, (value, key) => {
var newSeqRecord;
if (oldSeqRecord !== null && key === oldSeqRecord.key) {
newSeqRecord = oldSeqRecord;
if (!looseIdentical(value, oldSeqRecord.currentValue)) {
oldSeqRecord.previousValue = oldSeqRecord.currentValue;
oldSeqRecord.currentValue = value;
this._addToChanges(oldSeqRecord);
}
} else {
seqChanged = true;
if (oldSeqRecord !== null) {
oldSeqRecord._next = null;
this._removeFromSeq(lastOldSeqRecord, oldSeqRecord);
this._addToRemovals(oldSeqRecord);
}
if (MapWrapper.contains(records, key)) {
newSeqRecord = MapWrapper.get(records, key);
} else {
newSeqRecord = new KVChangeRecord(key);
MapWrapper.set(records, key, newSeqRecord);
newSeqRecord.currentValue = value;
this._addToAdditions(newSeqRecord);
}
}
if (seqChanged) {
if (this._isInRemovals(newSeqRecord)) {
this._removeFromRemovals(newSeqRecord);
}
if (lastNewSeqRecord == null) {
this._mapHead = newSeqRecord;
} else {
lastNewSeqRecord._next = newSeqRecord;
}
}
lastOldSeqRecord = oldSeqRecord;
lastNewSeqRecord = newSeqRecord;
oldSeqRecord = oldSeqRecord === null ? null : oldSeqRecord._next;
});
ChangeDetectionUtil.looseNotIdentical = function (a, b) { return !lang_1.looseIdentical(a, b); };
toString():string {
return looseIdentical(this.previousValue, this.currentValue) ?
stringify(this.key) :
(stringify(this.key) + '[' + stringify(this.previousValue) + '->' +
stringify(this.currentValue) + ']');
}
// TODO(vicb): optimize excludedIdxs.indexOf (sorted array)
rr => excludedIdxs.indexOf(rr.selfIndex) == -1 && rr.mode !== RecordType.DirectiveLifecycle &&
_haveSameDirIndex(rr, record) && rr.mode === record.mode &&
looseIdentical(rr.funcOrValue, record.funcOrValue) &&
rr.contextIndex === record.contextIndex && looseIdentical(rr.name, record.name) &&
ListWrapper.equals(rr.args, record.args));
static looseNotIdentical(a, b) { return !looseIdentical(a, b); }
// TODO(vicb): optimize excludedIdxs.indexOf (sorted array)
function (rr) { return excludedIdxs.indexOf(rr.selfIndex) == -1 && rr.mode !== proto_record_1.RecordType.DirectiveLifecycle &&
_haveSameDirIndex(rr, record) && rr.mode === record.mode &&
lang_1.looseIdentical(rr.funcOrValue, record.funcOrValue) &&
rr.contextIndex === record.contextIndex && lang_1.looseIdentical(rr.name, record.name) &&
collection_1.ListWrapper.equals(rr.args, record.args); });
KeyValueChangeRecord.prototype.toString = function () {
return lang_1.looseIdentical(this.previousValue, this.currentValue) ?
lang_1.stringify(this.key) :
(lang_1.stringify(this.key) + '[' + lang_1.stringify(this.previousValue) + '->' +
lang_1.stringify(this.currentValue) + ']');
};