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Use Map.prototype.getOrInsertComputed() in the web/struct_tree_layer_builder.js file

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Jonas Jenwald 2026-02-23 18:58:40 +01:00
parent 0d4e587a5f
commit 185fee680a
1 changed files with 4 additions and 7 deletions
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11
web/struct_tree_layer_builder.js
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@ -15,7 +15,7 @@
/** @typedef {import("../src/display/api").PDFPageProxy} PDFPageProxy */ /** @typedef {import("../src/display/api").PDFPageProxy} PDFPageProxy */
import { FeatureTest, shadow } from "pdfjs-lib"; import { FeatureTest, makeMap, shadow } from "pdfjs-lib";
import { removeNullCharacters } from "./ui_utils.js"; import { removeNullCharacters } from "./ui_utils.js";
const PDF_ROLE_TO_HTML_ROLE = { const PDF_ROLE_TO_HTML_ROLE = {
@ -251,12 +251,9 @@ class StructTreeLayerBuilder {
const label = removeNullCharacters(alt); const label = removeNullCharacters(alt);
for (const child of structElement.children) { for (const child of structElement.children) {
if (child.type === "annotation") { if (child.type === "annotation") {
let attrs = this.#elementAttributes.get(child.id); this.#elementAttributes
if (!attrs) { .getOrInsertComputed(child.id, makeMap)
attrs = new Map(); .set("aria-label", label);
this.#elementAttributes.set(child.id, attrs);
}
attrs.set("aria-label", label);
added = true; added = true;
} }
} }