Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #17134 from Snuffleupagus/writeStream-less-type-conversion

Browse Source 
Reduce unnecessary type conversion in `writeStream`
This commit is contained in:
Jonas Jenwald 2023-10-18 16:55:04 +02:00 committed by GitHub
commit 2a3090224f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/core/writer.js
View File

@ -13,7 +13,7 @@
* limitations under the License.
*/
import { bytesToString, info, stringToBytes, warn } from "../shared/util.js";
import { bytesToString, info, warn } from "../shared/util.js";
import { Dict, isName, Name, Ref } from "./primitives.js";
import {
escapePDFName,
@ -48,7 +48,7 @@ async function writeDict(dict, buffer, transform) {
}
async function writeStream(stream, buffer, transform) {
let string = stream.getString();
let bytes = stream.getBytes();
const { dict } = stream;
const [filter, params] = await Promise.all([
@ -67,18 +67,17 @@ async function writeStream(stream, buffer, transform) {
if (
typeof CompressionStream !== "undefined" &&
(string.length >= MIN_LENGTH_FOR_COMPRESSING || isFilterZeroFlateDecode)
(bytes.length >= MIN_LENGTH_FOR_COMPRESSING || isFilterZeroFlateDecode)
) {
try {
const byteArray = stringToBytes(string);
const cs = new CompressionStream("deflate");
const writer = cs.writable.getWriter();
writer.write(byteArray);
writer.write(bytes);
writer.close();
// Response::text doesn't return the correct data.
const buf = await new Response(cs.readable).arrayBuffer();
string = bytesToString(new Uint8Array(buf));
bytes = new Uint8Array(buf);
let newFilter, newParams;
if (!filter) {
@ -104,6 +103,7 @@ async function writeStream(stream, buffer, transform) {
}
}
let string = bytesToString(bytes);
if (transform) {
string = transform.encryptString(string);
}