Stirling-PDF/client-vanilla/index.js
2023-11-07 02:20:44 +01:00

66 lines
2.3 KiB
JavaScript

import { scaleContent } from "./functions/scaleContent.js";
import { scalePage, PageSize } from "./functions/scalePage.js";
import * as exampleWorkflows from "./exampleWorkflows.js";
import { traverseOperations } from "./traverseOperations.js";
import * as Functions from "./functions.js";
(async () => {
const workflowField = document.getElementById("workflow");
const dropdown = document.getElementById("pdfOptions");
// Clear existing options (if any)
dropdown.innerHTML = '';
console.log(exampleWorkflows);
// Iterate over the keys of the object and create an option for each key
for (const key in exampleWorkflows) {
const option = document.createElement('option');
option.value = key;
option.text = key;
dropdown.appendChild(option);
}
const loadButton = document.getElementById("loadButton");
loadButton.addEventListener("click", (e) => {
workflowField.value = JSON.stringify(exampleWorkflows[dropdown.value], null, 2);
});
loadButton.click();
const pdfFileInput = document.getElementById('pdfFile');
const doneButton = document.getElementById("doneButton");
doneButton.addEventListener('click', async (e) => {
console.log("Starting...");
const files = Array.from(pdfFileInput.files);
const inputs = await Promise.all(files.map(async file => {
return {
originalFileName: file.name.replace(/\.[^/.]+$/, ""),
fileName: file.name.replace(/\.[^/.]+$/, ""),
buffer: new Uint8Array(await file.arrayBuffer())
}
}));
console.log(inputs);
const workflow = JSON.parse(workflowField.value);
console.log(workflow);
const traverse = traverseOperations(workflow.operations, inputs, Functions);
let pdfResults;
let iteration;
while (true) {
iteration = await traverse.next();
if (iteration.done) {
pdfResults = iteration.value;
console.log(`data: processing done\n\n`);
break;
}
console.log(`data: ${iteration.value}\n\n`);
}
// TODO: Zip if wanted
pdfResults.forEach(result => {
download(result.buffer, result.fileName, "application/pdf");
});
});
})();