Move the arrayBuffersToBytes helper function into the worker-thread

Given that this helper function is only used on the worker-thread, there's no reason to duplicate it in both of the *built* `pdf.js` and `pdf.worker.js` files.
This commit is contained in:
Jonas Jenwald 2023-02-09 22:01:30 +01:00
parent c56f25409d
commit 6d4d402a78
5 changed files with 74 additions and 48 deletions

View file

@ -597,44 +597,6 @@ function stringToBytes(str) {
return bytes;
}
/**
* Combines multiple ArrayBuffers into a single Uint8Array.
* @param {Array<ArrayBuffer>} arr - An array of ArrayBuffers.
* @returns {Uint8Array}
*/
function arrayBuffersToBytes(arr) {
if (
typeof PDFJSDev === "undefined" ||
PDFJSDev.test("!PRODUCTION || TESTING")
) {
for (const item of arr) {
assert(
item instanceof ArrayBuffer,
"arrayBuffersToBytes - expected an ArrayBuffer."
);
}
}
const length = arr.length;
if (length === 0) {
return new Uint8Array(0);
}
if (length === 1) {
return new Uint8Array(arr[0]);
}
let dataLength = 0;
for (let i = 0; i < length; i++) {
dataLength += arr[i].byteLength;
}
const data = new Uint8Array(dataLength);
let pos = 0;
for (let i = 0; i < length; i++) {
const item = new Uint8Array(arr[i]);
data.set(item, pos);
pos += item.byteLength;
}
return data;
}
function string32(value) {
if (
typeof PDFJSDev === "undefined" ||
@ -1103,7 +1065,6 @@ export {
AnnotationReviewState,
AnnotationStateModelType,
AnnotationType,
arrayBuffersToBytes,
assert,
BaseException,
BASELINE_FACTOR,