Initial commit

Signed-off-by: Ilan Bigio <ilan@openai.com>

codex-cli/src/utils/input-utils.ts

@@ -0,0 +1,31 @@
+import type { ResponseInputItem } from "openai/resources/responses/responses";
+
+import { fileTypeFromBuffer } from "file-type";
+import fs from "fs/promises";
+
+export async function createInputItem(
+  text: string,
+  images: Array<string>,
+): Promise<ResponseInputItem.Message> {
+  const inputItem: ResponseInputItem.Message = {
+    role: "user",
+    content: [{ type: "input_text", text }],
+    type: "message",
+  };
+
+  for (const filePath of images) {
+    /* eslint-disable no-await-in-loop */
+    const binary = await fs.readFile(filePath);
+    const kind = await fileTypeFromBuffer(binary);
+    /* eslint-enable no-await-in-loop */
+    const encoded = binary.toString("base64");
+    const mime = kind?.mime ?? "application/octet-stream";
+    inputItem.content.push({
+      type: "input_image",
+      detail: "auto",
+      image_url: `data:${mime};base64,${encoded}`,
+    });
+  }
+
+  return inputItem;
+}