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Use arrow functions with some Promise.then calls

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A lot of this is fairly old code, which we can shorten slightly by using arrow functions instead of "regular" functions.
This commit is contained in:
Jonas Jenwald 2025-03-02 18:58:52 +01:00
parent 3cd1b10433
commit 7b5cd9cddd
5 changed files with 63 additions and 80 deletions
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109
test/unit/api_spec.js
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@ -192,9 +192,9 @@ describe("api", function () {
expect(loadingTask instanceof PDFDocumentLoadingTask).toEqual(true);
// This can be somewhat random -- we cannot guarantee perfect
// 'Terminate' message to the worker before/after setting up pdfManager.
const destroyed = loadingTask._worker.promise.then(function () {
return loadingTask.destroy();
});
const destroyed = loadingTask._worker.promise.then(() =>
loadingTask.destroy()
);
await destroyed;
expect(true).toEqual(true);
@ -861,9 +861,9 @@ describe("api", function () {
expect(!!worker).toEqual(true);
});
const destroyPromise = loadingTask.promise.then(function () {
return loadingTask.destroy();
});
const destroyPromise = loadingTask.promise.then(() =>
loadingTask.destroy()
);
await destroyPromise;
const destroyedWorker = loadingTask._worker;
@ -890,9 +890,9 @@ describe("api", function () {
expect(messageHandlerPort === worker.port).toEqual(true);
});
const destroyPromise = loadingTask.promise.then(function () {
return loadingTask.destroy();
});
const destroyPromise = loadingTask.promise.then(() =>
loadingTask.destroy()
);
await destroyPromise;
expect(worker.destroyed).toEqual(false);
@ -1141,8 +1141,8 @@ describe("api", function () {
buildGetDocumentParams("Pages-tree-refs.pdf")
);
const page1 = loadingTask.promise.then(function (pdfDoc) {
return pdfDoc.getPage(1).then(
const page1 = loadingTask.promise.then(pdfDoc =>
pdfDoc.getPage(1).then(
function (pdfPage) {
expect(pdfPage instanceof PDFPageProxy).toEqual(true);
expect(pdfPage.ref).toEqual({ num: 6, gen: 0 });
@ -1150,11 +1150,11 @@ describe("api", function () {
function (reason) {
throw new Error("shall not fail for valid page");
}
);
});
)
);
const page2 = loadingTask.promise.then(function (pdfDoc) {
return pdfDoc.getPage(2).then(
const page2 = loadingTask.promise.then(pdfDoc =>
pdfDoc.getPage(2).then(
function (pdfPage) {
throw new Error("shall fail for invalid page");
},
@ -1164,8 +1164,8 @@ describe("api", function () {
"Pages tree contains circular reference."
);
}
);
});
)
);
await Promise.all([page1, page2]);
await loadingTask.destroy();
@ -1396,29 +1396,29 @@ describe("api", function () {
it("gets page labels", async function () {
// PageLabels with Roman/Arabic numerals.
const loadingTask0 = getDocument(buildGetDocumentParams("bug793632.pdf"));
const promise0 = loadingTask0.promise.then(function (pdfDoc) {
return pdfDoc.getPageLabels();
});
const promise0 = loadingTask0.promise.then(pdfDoc =>
pdfDoc.getPageLabels()
);
// PageLabels with only a label prefix.
const loadingTask1 = getDocument(buildGetDocumentParams("issue1453.pdf"));
const promise1 = loadingTask1.promise.then(function (pdfDoc) {
return pdfDoc.getPageLabels();
});
const promise1 = loadingTask1.promise.then(pdfDoc =>
pdfDoc.getPageLabels()
);
// PageLabels identical to standard page numbering.
const loadingTask2 = getDocument(buildGetDocumentParams("rotation.pdf"));
const promise2 = loadingTask2.promise.then(function (pdfDoc) {
return pdfDoc.getPageLabels();
});
const promise2 = loadingTask2.promise.then(pdfDoc =>
pdfDoc.getPageLabels()
);
// PageLabels with bad "Prefix" entries.
const loadingTask3 = getDocument(
buildGetDocumentParams("bad-PageLabels.pdf")
);
const promise3 = loadingTask3.promise.then(function (pdfDoc) {
return pdfDoc.getPageLabels();
});
const promise3 = loadingTask3.promise.then(pdfDoc =>
pdfDoc.getPageLabels()
);
const pageLabels = await Promise.all([
promise0,
@ -1512,9 +1512,7 @@ describe("api", function () {
);
const promise1 = loadingTask1.promise
.then(function (pdfDoc) {
return pdfDoc.getOpenAction();
})
.then(pdfDoc => pdfDoc.getOpenAction())
.then(function (openAction) {
expect(openAction.dest).toBeUndefined();
expect(openAction.action).toEqual("Print");
@ -1522,9 +1520,7 @@ describe("api", function () {
return loadingTask1.destroy();
});
const promise2 = loadingTask2.promise
.then(function (pdfDoc) {
return pdfDoc.getOpenAction();
})
.then(pdfDoc => pdfDoc.getOpenAction())
.then(function (openAction) {
expect(openAction.dest).toBeUndefined();
expect(openAction.action).toEqual("Print");
@ -2064,25 +2060,25 @@ describe("api", function () {
const loadingTask0 = getDocument(
buildGetDocumentParams("issue9972-1.pdf")
);
const promise0 = loadingTask0.promise.then(function (pdfDoc) {
return pdfDoc.getPermissions();
});
const promise0 = loadingTask0.promise.then(pdfDoc =>
pdfDoc.getPermissions()
);
// Printing not allowed.
const loadingTask1 = getDocument(
buildGetDocumentParams("issue9972-2.pdf")
);
const promise1 = loadingTask1.promise.then(function (pdfDoc) {
return pdfDoc.getPermissions();
});
const promise1 = loadingTask1.promise.then(pdfDoc =>
pdfDoc.getPermissions()
);
// Copying not allowed.
const loadingTask2 = getDocument(
buildGetDocumentParams("issue9972-3.pdf")
);
const promise2 = loadingTask2.promise.then(function (pdfDoc) {
return pdfDoc.getPermissions();
});
const promise2 = loadingTask2.promise.then(pdfDoc =>
pdfDoc.getPermissions()
);
const totalPermissionCount = Object.keys(PermissionFlag).length;
const permissions = await Promise.all([promise0, promise1, promise2]);
@ -3050,9 +3046,7 @@ describe("api", function () {
params.url = url.href;
loadingTask = getDocument(params);
return loadingTask.promise
.then(function (pdf) {
return pdf.destroy();
})
.then(pdf => pdf.destroy())
.then(
function () {
expect(expectSuccess).toEqual(true);
@ -3293,10 +3287,9 @@ describe("api", function () {
const filename = "bug766086.pdf";
const defaultLoadingTask = getDocument(buildGetDocumentParams(filename));
const defaultPromise = defaultLoadingTask.promise.then(function (pdfDoc) {
return pdfDoc.getPage(1).then(function (pdfPage) {
return pdfPage.getAnnotations();
});
const defaultPromise = defaultLoadingTask.promise.then(async pdfDoc => {
const pdfPage = await pdfDoc.getPage(1);
return pdfPage.getAnnotations();
});
const docBaseUrlLoadingTask = getDocument(
@ -3305,10 +3298,9 @@ describe("api", function () {
})
);
const docBaseUrlPromise = docBaseUrlLoadingTask.promise.then(
function (pdfDoc) {
return pdfDoc.getPage(1).then(function (pdfPage) {
return pdfPage.getAnnotations();
});
async pdfDoc => {
const pdfPage = await pdfDoc.getPage(1);
return pdfPage.getAnnotations();
}
);
@ -3318,10 +3310,9 @@ describe("api", function () {
})
);
const invalidDocBaseUrlPromise =
invalidDocBaseUrlLoadingTask.promise.then(function (pdfDoc) {
return pdfDoc.getPage(1).then(function (pdfPage) {
return pdfPage.getAnnotations();
});
invalidDocBaseUrlLoadingTask.promise.then(async pdfDoc => {
const pdfPage = await pdfDoc.getPage(1);
return pdfPage.getAnnotations();
});
const [