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Very minor optimization to _getCache()

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This is just a minor change to avoid accessing the same property
in object this._cache twice inside _getCache() when its is already
set (defined). No big performance improvements probably, but given
that the cached values can be checked many times for each node
in the tree, I think it makes sense to do that small improvement.
This commit is contained in:
VladimirTechMan 2019-01-16 19:42:41 +03:00
parent 366abc0a79
commit 30d304556f
1 changed files with 2 additions and 2 deletions
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4
src/Node.ts
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@ -143,10 +143,10 @@ export abstract class Node {
// if not cached, we need to set it using the private getter method. // if not cached, we need to set it using the private getter method.
if (cache === undefined) { if (cache === undefined) {
this._cache[attr] = privateGetter.call(this); this._cache[attr] = cache = privateGetter.call(this);
} }
return this._cache[attr]; return cache;
} }
/* /*
* when the logic for a cached result depends on ancestor propagation, use this * when the logic for a cached result depends on ancestor propagation, use this