feat: add ebook converter wrapping Calibre's ebook-convert CLI

2026-07-31 13:23:01 +02:00
parent 0cef6842de
commit b95e371989
2 changed files with 105 additions and 0 deletions
@@ -0,0 +1,24 @@
+import { execFile } from 'node:child_process';
+import { promisify } from 'node:util';
+import { register } from './registry.js';
+
+const execFileAsync = promisify(execFile);
+
+export const EBOOK_FORMATS = ['epub', 'fb2', 'lrf', 'mobi', 'pdb', 'rb', 'snb', 'tcr', 'azw3', 'pdf'];
+
+export function registerEbookConverter() {
+  for (const sourceFormat of EBOOK_FORMATS) {
+    for (const targetFormat of EBOOK_FORMATS) {
+      if (sourceFormat === targetFormat) continue;
+      register({
+        family: 'ebook',
+        sourceFormat,
+        targetFormat,
+        convert: async (inputPath, outputPath, options = {}) => {
+          const calibrePath = process.env.CALIBRE_PATH || 'ebook-convert';
+          await execFileAsync(calibrePath, [inputPath, outputPath], { timeout: options.timeoutMs });
+        },
+      });
+    }
+  }
+}