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Fixed fs write error.

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This commit is contained in:
Felix Kaspar 2023-10-21 20:10:07 +02:00
parent 6248aa6a32
commit b5ba2b25cd
1 changed files with 15 additions and 7 deletions
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22
public/wasm/pdfcpu-wrapper-node.js
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@ -79,13 +79,21 @@ export async function oneToOne(wasmArray, snapshot) {
await checkExistsWithTimeout("/output.pdf", 1000); await checkExistsWithTimeout("/output.pdf", 1000);
console.log("Write started..."); console.log("Write started...");
// TODO: [Important] This fails for large PDFs. Need to a way to check if file write is definitely done.
// We need to wait for the file write in memfs to finish in node for some reason // TODO: Make this more elegant, this waits for the write to finish.
await new Promise((resolve, reject) => { // Maybe replace wasmfs with https://github.com/streamich/memfs
setTimeout(() => { let fileSize;
resolve(); while (true) {
}, 1000); fileSize = fs.statSync("/output.pdf").size;
}); await new Promise((resolve, reject) => {
setTimeout(() => {
resolve();
}, 50);
});
if(fileSize > 0 && fileSize == fs.statSync("/output.pdf").size) // Wait for file Size not changing anymore.
break;
}
console.log("Could be done?"); console.log("Could be done?");
fs.unlinkSync("input.pdf"); fs.unlinkSync("input.pdf");