@pdfme/pdf-lib
Version:
Create and modify PDF files with JavaScript
76 lines • 2.88 kB
JavaScript
import PDFString from '../objects/PDFString';
import PDFHexString from '../objects/PDFHexString';
/**
* From the PDF-A3 specification, section **3.1. Requirements - General**.
* See:
* * https://www.pdfa.org/wp-content/uploads/2018/10/PDF20_AN002-AF.pdf
*/
export var AFRelationship;
(function (AFRelationship) {
AFRelationship["Source"] = "Source";
AFRelationship["Data"] = "Data";
AFRelationship["Alternative"] = "Alternative";
AFRelationship["Supplement"] = "Supplement";
AFRelationship["EncryptedPayload"] = "EncryptedPayload";
AFRelationship["FormData"] = "EncryptedPayload";
AFRelationship["Schema"] = "Schema";
AFRelationship["Unspecified"] = "Unspecified";
})(AFRelationship || (AFRelationship = {}));
class FileEmbedder {
static for(bytes, fileName, options = {}) {
return new FileEmbedder(bytes, fileName, options);
}
constructor(fileData, fileName, options = {}) {
Object.defineProperty(this, "fileData", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
Object.defineProperty(this, "fileName", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
Object.defineProperty(this, "options", {
enumerable: true,
configurable: true,
writable: true,
value: void 0
});
this.fileData = fileData;
this.fileName = fileName;
this.options = options;
}
async embedIntoContext(context, ref) {
const { mimeType, description, creationDate, modificationDate, afRelationship } = this.options;
const embeddedFileStream = context.flateStream(this.fileData, {
Type: 'EmbeddedFile',
Subtype: mimeType ?? undefined,
Params: {
Size: this.fileData.length,
CreationDate: creationDate ? PDFString.fromDate(creationDate) : undefined,
ModDate: modificationDate ? PDFString.fromDate(modificationDate) : undefined,
},
});
const embeddedFileStreamRef = context.register(embeddedFileStream);
const fileSpecDict = context.obj({
Type: 'Filespec',
F: PDFString.of(this.fileName), // TODO: Assert that this is plain ASCII
UF: PDFHexString.fromText(this.fileName),
EF: { F: embeddedFileStreamRef },
Desc: description ? PDFHexString.fromText(description) : undefined,
AFRelationship: afRelationship ?? undefined,
});
if (ref) {
context.assign(ref, fileSpecDict);
return ref;
}
else {
return context.register(fileSpecDict);
}
}
}
export default FileEmbedder;
//# sourceMappingURL=FileEmbedder.js.map