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fix(core): key-value differ changes iteration (#15968)

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fixes #14997
This commit is contained in:
Victor Berchet
2017-04-14 09:03:16 -07:00
committed by Tobias Bosch
parent ce47d33cd9
commit cb5a7efa91
2 changed files with 28 additions and 23 deletions
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38
packages/core/src/change_detection/differs/default_keyvalue_differ.ts
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@ -120,7 +120,6 @@ export class DefaultKeyValueDiffer<K, V> implements KeyValueDiffer<K, V>, KeyVal
}
this._removalsHead = insertBefore;
this._removalsTail = insertBefore;
for (let record = insertBefore; record !== null; record = record._nextRemoved) {
if (record === this._mapHead) {
@ -135,6 +134,10 @@ export class DefaultKeyValueDiffer<K, V> implements KeyValueDiffer<K, V>, KeyVal
}
}
// Make sure tails have no next records from previous runs
if (this._changesTail) this._changesTail._nextChanged = null;
if (this._additionsTail) this._additionsTail._nextAdded = null;
return this.isDirty;
}
@ -222,7 +225,7 @@ export class DefaultKeyValueDiffer<K, V> implements KeyValueDiffer<K, V>, KeyVal
this._changesHead = this._changesTail = null;
this._additionsHead = this._additionsTail = null;
this._removalsHead = this._removalsTail = null;
this._removalsHead = null;
}
}
@ -254,28 +257,17 @@ export class DefaultKeyValueDiffer<K, V> implements KeyValueDiffer<K, V>, KeyVal
}
toString(): string {
const items: any[] = [];
const previous: any[] = [];
const changes: any[] = [];
const additions: any[] = [];
const removals: any[] = [];
let record: KeyValueChangeRecord_<K, V>|null;
const items: string[] = [];
const previous: string[] = [];
const changes: string[] = [];
const additions: string[] = [];
const removals: string[] = [];
for (record = this._mapHead; record !== null; record = record._next) {
items.push(stringify(record));
}
for (record = this._previousMapHead; record !== null; record = record._nextPrevious) {
previous.push(stringify(record));
}
for (record = this._changesHead; record !== null; record = record._nextChanged) {
changes.push(stringify(record));
}
for (record = this._additionsHead; record !== null; record = record._nextAdded) {
additions.push(stringify(record));
}
for (record = this._removalsHead; record !== null; record = record._nextRemoved) {
removals.push(stringify(record));
}
this.forEachItem(r => items.push(stringify(r)));
this.forEachPreviousItem(r => previous.push(stringify(r)));
this.forEachChangedItem(r => changes.push(stringify(r)));
this.forEachAddedItem(r => additions.push(stringify(r)));
this.forEachRemovedItem(r => removals.push(stringify(r)));
return 'map: ' + items.join(', ') + '\n' +
'previous: ' + previous.join(', ') + '\n' +