feat: markitdown implementation

src/converters/main.ts

@@ -23,6 +23,7 @@ import { convert as convertresvg, properties as propertiesresvg } from "./resvg"
 import { convert as convertImage, properties as propertiesImage } from "./vips";
 import { convert as convertVtracer, properties as propertiesVtracer } from "./vtracer";
 import { convert as convertxelatex, properties as propertiesxelatex } from "./xelatex";
+import { convert as convertMarkitdown, properties as propertiesMarkitdown } from "./markitdown";
 
 // This should probably be reconstructed so that the functions are not imported instead the functions hook into this to make the converters more modular
 
@@ -127,6 +128,10 @@ const properties: Record<
     properties: propertiesVtracer,
     converter: convertVtracer,
   },
+  MarkitDown: {
+    properties: propertiesMarkitdown,
+    converter: convertMarkitdown,
+  },
 };
 
 function chunks<T>(arr: T[], size: number): T[][] {

src/converters/markitdown.ts

@@ -0,0 +1,39 @@
+import { execFile as execFileOriginal } from "node:child_process";
+import { ExecFileFn } from "./types";
+
+export const properties = {
+  from: {
+    document: ["pdf", "powerpoint", "excel", "docx", "pptx", "html"],
+  },
+  to: {
+    document: ["md"],
+  },
+};
+
+export async function convert(
+  filePath: string,
+  fileType: string,
+  convertTo: string,
+  targetPath: string,
+  options?: unknown,
+  execFile: ExecFileFn = execFileOriginal,
+): Promise<string> {
+  return new Promise((resolve, reject) => {
+    execFile("markitdown", [filePath, "-o", targetPath], (err, stdout, stderr) => {
+      if (err) {
+        reject(`markitdown error: ${err}`);
+        return;
+      }
+
+      if (stdout) {
+        console.log(`stdout: ${stdout}`);
+      }
+
+      if (stderr) {
+        console.error(`stderr: ${stderr}`);
+      }
+
+      resolve("Done");
+    });
+  });
+}