From c2f277b6cb3bd2eeb22993cb6d52f96e9b0d6037 Mon Sep 17 00:00:00 2001
From: Frazer Smith <frazer.dev@outlook.com>
Date: Sat, 23 Sep 2023 10:47:37 +0100
Subject: [PATCH] fix(index): expose error codes for pdffonts and pdfinfo

---
 src/index.js | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/index.js b/src/index.js
index 51e351df..dc5feb25 100644
--- a/src/index.js
+++ b/src/index.js
@@ -254,11 +254,23 @@ class Poppler {
 					stdErr += data;
 				});
 
-				child.on("close", () => {
+				child.on("close", (code) => {
+					/* istanbul ignore else */
 					if (stdOut !== "") {
 						resolve(stdOut.trim());
+					} else if (code === 0) {
+						resolve(errorMessages[code]);
+					} else if (stdErr !== "") {
+						reject(new Error(stdErr.trim()));
 					} else {
-						reject(new Error(stdErr ? stdErr.trim() : undefined));
+						reject(
+							new Error(
+								errorMessages[code] ||
+									`pdffonts ${args.join(
+										" "
+									)} exited with code ${code}`
+							)
+						);
 					}
 				});
 			});
@@ -479,7 +491,8 @@ class Poppler {
 					stdErr += data;
 				});
 
-				child.on("close", () => {
+				child.on("close", (code) => {
+					/* istanbul ignore else */
 					if (stdOut !== "") {
 						if (fileSize) {
 							stdOut = stdOut.replace(
@@ -505,8 +518,19 @@ class Poppler {
 						} else {
 							resolve(stdOut.trim());
 						}
+					} else if (code === 0) {
+						resolve(errorMessages[code]);
+					} else if (stdErr !== "") {
+						reject(new Error(stdErr.trim()));
 					} else {
-						reject(new Error(stdErr ? stdErr.trim() : undefined));
+						reject(
+							new Error(
+								errorMessages[code] ||
+									`pdfinfo ${args.join(
+										" "
+									)} exited with code ${code}`
+							)
+						);
 					}
 				});
 			});