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Unify the ReadableStream and TextContent code-paths in src/display/text_layer.js

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The only reason that this code still accepts `TextContent` is for backward-compatibility purposes, so we can simplify the implementation by always using a `ReadableStream` internally.
This commit is contained in:
Jonas Jenwald 2024-04-21 11:29:03 +02:00
parent b6765403a1
commit 049848ba00
3 changed files with 88 additions and 51 deletions
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42
test/unit/text_layer_spec.js
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@ -58,5 +58,47 @@ describe("textLayer", function () {
"",
"page 1 / 3",
]);
await loadingTask.destroy();
});
it("creates textLayer from TextContent", async function () {
if (isNodeJS) {
pending("document.createElement is not supported in Node.js.");
}
const loadingTask = getDocument(buildGetDocumentParams("basicapi.pdf"));
const pdfDocument = await loadingTask.promise;
const page = await pdfDocument.getPage(1);
const textContentItemsStr = [];
const textLayerRenderTask = renderTextLayer({
textContentSource: await page.getTextContent(),
container: document.createElement("div"),
viewport: page.getViewport({ scale: 1 }),
textContentItemsStr,
});
expect(textLayerRenderTask instanceof TextLayerRenderTask).toEqual(true);
await textLayerRenderTask.promise;
expect(textContentItemsStr).toEqual([
"Table Of Content",
"",
"Chapter 1",
" ",
"..........................................................",
" ",
"2",
"",
"Paragraph 1.1",
" ",
"......................................................",
" ",
"3",
"",
"page 1 / 3",
]);
await loadingTask.destroy();
});
});