From 0f880cfb8dfc9b8dad0019d2cde246005c69ef70 Mon Sep 17 00:00:00 2001
From: Masafumi Koba <473530+ybiquitous@users.noreply.github.com>
Date: Fri, 22 Oct 2021 22:39:30 +0900
Subject: [PATCH] Better error handling for `MODULE_NOT_FOUND`

See <https://nodejs.org/api/errors.html#errors_module_not_found>
---
 lib/getPostcssResult.js | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/getPostcssResult.js b/lib/getPostcssResult.js
index 599fd2658c..45090ab344 100644
--- a/lib/getPostcssResult.js
+++ b/lib/getPostcssResult.js
@@ -93,10 +93,15 @@ function getCustomSyntax(customSyntax) {
 	if (typeof customSyntax === 'string') {
 		try {
 			resolved = require(customSyntax);
-		} catch {
-			throw new Error(
-				`Cannot resolve custom syntax module "${customSyntax}". Check that module "${customSyntax}" is available and spelled correctly.`,
-			);
+		} catch (error) {
+			// @ts-expect-error -- TS2571: Object is of type 'unknown'.
+			if (error && error.code === 'MODULE_NOT_FOUND') {
+				throw new Error(
+					`Cannot resolve custom syntax module "${customSyntax}". Check that module "${customSyntax}" is available and spelled correctly.`,
+				);
+			}
+
+			throw error;
 		}
 
 		/*