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Remove an unnecessary RefSetCache.prototype.has() call from GlobalImageCache.getData

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We can simply attempt to get the data *directly*, and instead check the result, rather than first checking if it exists.
This commit is contained in:
Jonas Jenwald 2020-06-07 11:56:04 +02:00
parent 039307f88c
commit aff0d56326
1 changed files with 2 additions and 3 deletions
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src/core/image_utils.js
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@ -107,11 +107,10 @@ class GlobalImageCache {
} }
getData(ref, pageIndex) { getData(ref, pageIndex) {
if (!this._refCache.has(ref)) { const pageIndexSet = this._refCache.get(ref);
if (!pageIndexSet) {
return null; return null;
} }
const pageIndexSet = this._refCache.get(ref);
if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) { if (pageIndexSet.size < GlobalImageCache.NUM_PAGES_THRESHOLD) {
return null; return null;
} }