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-rw-r--r--lib/internal/errors.js4
-rw-r--r--lib/internal/modules/esm/default_resolve.js5
2 files changed, 7 insertions, 2 deletions
diff --git a/lib/internal/errors.js b/lib/internal/errors.js
index 3db047cd32..8e6962e256 100644
--- a/lib/internal/errors.js
+++ b/lib/internal/errors.js
@@ -1228,7 +1228,9 @@ E('ERR_UNHANDLED_ERROR',
E('ERR_UNKNOWN_BUILTIN_MODULE', 'No such built-in module: %s', Error);
E('ERR_UNKNOWN_CREDENTIAL', '%s identifier does not exist: %s', Error);
E('ERR_UNKNOWN_ENCODING', 'Unknown encoding: %s', TypeError);
-E('ERR_UNKNOWN_FILE_EXTENSION', 'Unknown file extension: %s', TypeError);
+E('ERR_UNKNOWN_FILE_EXTENSION',
+ 'Unknown file extension "%s" for %s imported from %s',
+ TypeError);
E('ERR_UNKNOWN_MODULE_FORMAT', 'Unknown module format: %s', RangeError);
E('ERR_UNKNOWN_SIGNAL', 'Unknown signal: %s', TypeError);
diff --git a/lib/internal/modules/esm/default_resolve.js b/lib/internal/modules/esm/default_resolve.js
index c9ef3883c4..d238930164 100644
--- a/lib/internal/modules/esm/default_resolve.js
+++ b/lib/internal/modules/esm/default_resolve.js
@@ -116,7 +116,10 @@ function resolve(specifier, parentURL) {
'ExperimentalWarning');
format = legacyExtensionFormatMap[ext];
} else {
- throw new ERR_UNKNOWN_FILE_EXTENSION(fileURLToPath(url));
+ throw new ERR_UNKNOWN_FILE_EXTENSION(
+ ext,
+ fileURLToPath(url),
+ fileURLToPath(parentURL));
}
}
return { url: `${url}`, format };