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Improve the promise-caching in the PDFDocument.fieldObjects getter

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After PR 18845 we're accessing this getter more, hence it seems like a good idea to ensure that the initial `formInfo` access is covered as well.
While unlikely to be a problem in practice, at least theoretically that data may not be available and the code in `fieldObjects` could thus currently be *unintentionally* invoked more than once.
This commit is contained in:
Jonas Jenwald 2024-10-08 12:15:04 +02:00
parent 81cf42df47
commit e3b5ed2e40
1 changed files with 42 additions and 39 deletions
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11
src/core/document.js
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@ -1871,14 +1871,17 @@ class PDFDocument {
}
get fieldObjects() {
if (!this.formInfo.hasFields) {
return shadow(this, "fieldObjects", Promise.resolve(null));
const promise = this.pdfManager
.ensureDoc("formInfo")
.then(async formInfo => {
if (!formInfo.hasFields) {
return null;
}
const promise = Promise.all([
const [annotationGlobals, acroForm] = await Promise.all([
this.pdfManager.ensureDoc("annotationGlobals"),
this.pdfManager.ensureCatalog("acroForm"),
]).then(async ([annotationGlobals, acroForm]) => {
]);
if (!annotationGlobals) {
return null;
}