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fix: refine pdfjs at compatibility polyfill

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Agent-Logs-Url: https://github.com/kekingcn/kkFileView/sessions/287f0212-d368-4b59-ae70-0374fb3fe76f

Co-authored-by: klboke <18591662+klboke@users.noreply.github.com>
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copilot-swe-agent[bot]
2026-04-09 02:50:17 +00:00
committed by GitHub
parent 530304b832
commit 3fbf0156e2
1 changed files with 3 additions and 3 deletions
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6
server/src/main/resources/static/pdfjs/web/compatibility.mjs
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@@ -21,11 +21,11 @@ function installAtPolyfill(target) {
Object.defineProperty(target.prototype, "at", { Object.defineProperty(target.prototype, "at", {
value(index) { value(index) {
const length = this.length >>> 0; const length = this.length >>> 0;
let relativeIndex = Number(index) || 0; let relativeIndex = Number(index);
if (!Number.isFinite(relativeIndex)) { if (Number.isNaN(relativeIndex)) {
relativeIndex = 0; relativeIndex = 0;
} }
relativeIndex = relativeIndex < 0 ? Math.ceil(relativeIndex) : Math.floor(relativeIndex); relativeIndex = Math.trunc(relativeIndex);
const resolvedIndex = relativeIndex >= 0 ? relativeIndex : length + relativeIndex; const resolvedIndex = relativeIndex >= 0 ? relativeIndex : length + relativeIndex;
if (resolvedIndex < 0 || resolvedIndex >= length) { if (resolvedIndex < 0 || resolvedIndex >= length) {
return undefined; return undefined;