remove unused variable

Minor corrections to the existing code

Removing one redundant variable and one small typo in a comment.

Setting DD.node to null instead of deleting

In the footsteps of my previous commit. This one replaces the deletion
of DD.node with setting i...

When removing a child, set key "parent" to null, don't delete it

Structural changes to objects are relatively more expensive and
harder to optimize for modern Ja...

Fix for the performance regression in the updated batchDraw()

The code was checking the "waiting" flags, but they were not set.
This patch corrects that part ...

Simpler code logic for Node._isVisible()

The original logic can be implemented in a more compact and clear
way while producing the same r...

Make the calls to getGlobalKonva() working in the current code base

Following the recent migration to TypeScript, getGlobalKonva()
returns undefined (as glob.Konva ...

Fix handling of the width and hight changes in the Stage class

Just resize the DOM elements, don't replace the current contents
with a new (empty) one.

Minor improvement to the implementation of Text._sceneFunc

As the context's translate() is additive, there is no need for
the two consecutive calls of it i...

Very minor optimization to _getCache()

This is just a minor change to avoid accessing the same property
in object this._cache twice ins...

When rendering multi-line texts, check text decoration flags once

A small improvement to avoid re-testing the presence of underline
and line-through attributes in...

Simplify the Boolean condition used in _useBufferCanvas()

Scale by Y typo.

The original Boolean condition duplicates most of the predicates
used in both parts of the "or" ...

Spelling correction to variable name

Do not recalculate additionalWidth on every line of multiline text

This is just a minor improvement (optimization) to _setTextData():
Flag shouldAddEllipsis is not...

When setting new text on Konva.Text, treat undefined width or height as 'auto'

Similar to how it's handled in getWidth() and getHeight() of Konva.Text,
let _setTextData() trea...