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Improve performance of optional content parsing

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This commit is contained in:
Calixte Denizet 2023-10-24 23:22:36 +02:00
parent 0fc899338c
commit 0c38c6e103
1 changed files with 6 additions and 6 deletions
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12
src/core/catalog.js
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@ -438,14 +438,14 @@ class Catalog {
return shadow(this, "optionalContentConfig", null);
}
const groups = [];
const groupRefs = [];
const groupRefs = new RefSet();
// Ensure all the optional content groups are valid.
for (const groupRef of groupsData) {
if (!(groupRef instanceof Ref)) {
if (!(groupRef instanceof Ref) || groupRefs.has(groupRef)) {
continue;
}
groupRefs.push(groupRef);
const group = this.xref.fetchIfRef(groupRef);
groupRefs.put(groupRef);
const group = this.xref.fetch(groupRef);
groups.push({
id: groupRef.toString(),
name:
@ -477,7 +477,7 @@ class Catalog {
if (!(value instanceof Ref)) {
continue;
}
if (contentGroupRefs.includes(value)) {
if (contentGroupRefs.has(value)) {
onParsed.push(value.toString());
}
}
@ -492,7 +492,7 @@ class Catalog {
const order = [];
for (const value of refs) {
if (value instanceof Ref && contentGroupRefs.includes(value)) {
if (value instanceof Ref && contentGroupRefs.has(value)) {
parsedOrderRefs.put(value); // Handle "hidden" groups, see below.
order.push(value.toString());