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Prevent run-time errors in Node.js versions with URL.createObjectURL support (issue 14170)

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Apparently Node.js has added *global* `URL.createObjectURL` support, but not done the same thing for `Blob`. Hence we also need to check for the availability of `Blob` in the `createObjectURL` helper function, and it's probably a good idea to also update `examples/node/pdf2svg.js` to work-around this until these changes reach an official PDF.js release.
This commit is contained in:
Jonas Jenwald 2021-10-20 15:55:14 +02:00
parent 7c9e5781fe
commit ff9d2b2ab1
2 changed files with 6 additions and 2 deletions
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6
examples/node/pdf2svg.js
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@ -110,7 +110,11 @@ const loadingTask = pdfjsLib.getDocument({
console.log();
const opList = await page.getOperatorList();
const svgGfx = new pdfjsLib.SVGGraphics(page.commonObjs, page.objs);
const svgGfx = new pdfjsLib.SVGGraphics(
page.commonObjs,
page.objs,
/* forceDataSchema = */ true
);
svgGfx.embedFonts = true;
const svg = await svgGfx.getSVG(opList, viewport);
await writeSvgToFile(svg, getFilePathForPage(pageNum));

2
src/shared/util.js
View file

@ -1030,7 +1030,7 @@ function createPromiseCapability() {
}
function createObjectURL(data, contentType = "", forceDataSchema = false) {
if (URL.createObjectURL && !forceDataSchema) {
if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) {
return URL.createObjectURL(new Blob([data], { type: contentType }));
}
// Blob/createObjectURL is not available, falling back to data schema.