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feat: add initial project setup with core PDF tools and utilities

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- Implement core PDF manipulation tools (split, merge, convert, etc.)
- Add state management and UI utilities
- Set up build configuration with Vite and TailwindCSS
- Include essential dependencies for PDF processing
- Add gitignore and basic project configuration files
This commit is contained in:
abdullahalam123
2025-10-12 11:55:45 +05:30
commit 671297320e
79 changed files with 21792 additions and 0 deletions
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73
src/js/logic/edit-metadata.ts Normal file
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import { showLoader, hideLoader, showAlert } from '../ui.js';
import { downloadFile } from '../utils/helpers.js';
import { state } from '../state.js';
import { PDFName, PDFString } from "pdf-lib"
export async function editMetadata() {
showLoader('Updating metadata...');
try {
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
state.pdfDoc.setTitle(document.getElementById('meta-title').value);
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
state.pdfDoc.setAuthor(document.getElementById('meta-author').value);
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
state.pdfDoc.setSubject(document.getElementById('meta-subject').value);
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
state.pdfDoc.setCreator(document.getElementById('meta-creator').value);
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
state.pdfDoc.setProducer(document.getElementById('meta-producer').value);
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
const keywords = document.getElementById('meta-keywords').value;
state.pdfDoc.setKeywords(keywords.split(',').map((k: any) => k.trim()).filter(Boolean));
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
const creationDate = document.getElementById('meta-creation-date').value;
if (creationDate) {
state.pdfDoc.setCreationDate(new Date(creationDate));
}
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
const modDate = document.getElementById('meta-mod-date').value;
if (modDate) {
state.pdfDoc.setModificationDate(new Date(modDate));
} else {
state.pdfDoc.setModificationDate(new Date());
}
const infoDict = state.pdfDoc.getInfoDict();
const standardKeys = new Set(['Title', 'Author', 'Subject', 'Keywords', 'Creator', 'Producer', 'CreationDate', 'ModDate']);
const allKeys = infoDict.keys().map((key: any) => key.asString().substring(1)); // Clean keys
allKeys.forEach((key: any) => {
if (!standardKeys.has(key)) {
infoDict.delete(PDFName.of(key));
}
});
const customKeys = document.querySelectorAll('.custom-meta-key');
const customValues = document.querySelectorAll('.custom-meta-value');
customKeys.forEach((keyInput, index) => {
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'Element'.
const key = keyInput.value.trim();
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'Element'.
const value = customValues[index].value.trim();
if (key && value) {
// Now we add the fields to a clean slate
infoDict.set(PDFName.of(key), PDFString.of(value));
}
});
const newPdfBytes = await state.pdfDoc.save();
downloadFile(new Blob([newPdfBytes], { type: 'application/pdf' }), 'metadata-edited.pdf');
} catch (e) {
console.error(e);
showAlert('Error', 'Could not update metadata. Please check that date formats are correct.');
} finally {
hideLoader();
}
}