feat: add calibre

issue #191

src/converters/calibre.ts

@@ -0,0 +1,86 @@
+import { exec } from "node:child_process";
+
+export const properties = {
+  from: {
+    document: [
+      "azw4",
+      "chm",
+      "cbr",
+      "cbz",
+      "cbt",
+      "cba",
+      "cb7",
+      "djvu",
+      "docx",
+      "epub",
+      "fb2",
+      "htlz",
+      "html",
+      "lit",
+      "lrf",
+      "mobi",
+      "odt",
+      "pdb",
+      "pdf",
+      "pml",
+      "rb",
+      "rtf",
+      "recipe",
+      "snb",
+      "tcr",
+      "txt",
+    ],
+  },
+  to: {
+    document: [
+      "azw3",
+      "docx",
+      "epub",
+      "fb2",
+      "html",
+      "htmlz",
+      "lit",
+      "lrf",
+      "mobi",
+      "oeb",
+      "pdb",
+      "pdf",
+      "pml",
+      "rb",
+      "rtf",
+      "snb",
+      "tcr",
+      "txt",
+      "txtz",
+    ],
+  },
+};
+
+export async function convert(
+  filePath: string,
+  fileType: string,
+  convertTo: string,
+  targetPath: string,
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  options?: unknown,
+): Promise<string> {
+  const command = `ebook-convert "${filePath}" "${targetPath}"`;
+
+  return new Promise((resolve, reject) => {
+    exec(command, (error, stdout, stderr) => {
+      if (error) {
+        reject(`error: ${error}`);
+      }
+
+      if (stdout) {
+        console.log(`stdout: ${stdout}`);
+      }
+
+      if (stderr) {
+        console.error(`stderr: ${stderr}`);
+      }
+
+      resolve("Done");
+    });
+  });
+}