yonote/yjs
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only emit stack add event if added

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This commit is contained in:
Namit Chadha 2022-01-02 12:39:46 +00:00
parent f113b20188
commit 2458563dc9
1 changed files with 5 additions and 1 deletions
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6
src/utils/UndoManager.js
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@ -186,6 +186,7 @@ export class UndoManager extends Observable {
}
})
const now = time.getUnixTime()
let didAdd = false;
if (now - this.lastChange < captureTimeout && stack.length > 0 && !undoing && !redoing) {
// append change to last stack op
const lastOp = stack[stack.length - 1]
@ -193,6 +194,7 @@ export class UndoManager extends Observable {
lastOp.insertions = mergeDeleteSets([lastOp.insertions, insertions])
} else {
// create a new stack op
didAdd = true;
stack.push(new StackItem(transaction.deleteSet, insertions))
}
if (!undoing && !redoing) {
@ -204,7 +206,9 @@ export class UndoManager extends Observable {
keepItem(item, true)
}
})
this.emit('stack-item-added', [{ stackItem: stack[stack.length - 1], origin: transaction.origin, type: undoing ? 'redo' : 'undo', changedParentTypes: transaction.changedParentTypes }, this])
if (didAdd) {
this.emit('stack-item-added', [{ stackItem: stack[stack.length - 1], origin: transaction.origin, type: undoing ? 'redo' : 'undo', changedParentTypes: transaction.changedParentTypes }, this])
}
})
}