path_resolve separation

doc/api/esm.md

@@ -197,14 +197,10 @@ The algorithm to resolve an ES module specifier is provided through _ESM_RESOLVE
 **ESM_RESOLVE**(_specifier_, _parentURL_)
 > 1. If _specifier_ is a valid URL then,
 >    1. Let _resolvedURL_ be the result of parsing and reserializing _specifier_ as a URL.
->    1. If the file at _resolvedURL_ exists then,
->       1. Return _resolvedURL_.
->    1. Let _packageMainURL_ be the result of **PACKAGE_MAIN_RESOLVE**(_resolvedURL_).
->    1. If _packageMainURL_ is not _undefined_ then,
->       1. Return _packageMainURL_.
->    1. Throw a _Module Not Found_ error.
+>    1. Return the result of **PATH_RESOLVE**(_resolvedURL_).
 > 1. If _specifier_ starts with _"/"_, _"./"_ or _"../"_ then,
->    1. Return the URL resolution of _specifier_ to _parentURL_.
+>    1. Let _resolvedURL_ be the URL resolution of _specifier_ to _parentURL_.
+>    1. Return the result of **PATH_RESOLVE**(_resolvedURL_).
 > 1. Note: _specifier_ is now a bare specifier.
 > 1. Let _packageName_ be _undefined_.
 > 1. Let _packagePath_ be _undefined_.
@@ -217,6 +213,14 @@ The algorithm to resolve an ES module specifier is provided through _ESM_RESOLVE
 > 1. Let _packagePath_ be the substring of _specifier_ from the position at the length of _packageName_ plus one, if any.
 > 1. Return the result of **PACKAGE_RESOLVE**(_packageName_, _packagePath_, _parentURL_), or propagating any errors thrown.
 
+**PATH_RESOLVE**(_resolvedURL_)
+> 1. If the file at _resolvedURL_ exists then,
+>    1. Return _resolvedURL_.
+> 1. Let _packageMainURL_ be the result of **PACKAGE_MAIN_RESOLVE**(_resolvedURL_).
+> 1. If _packageMainURL_ is not _undefined_ then,
+>    1. Return _packageMainURL_.
+> 1. Throw a _Module Not Found_ error.
+
 **PACKAGE_RESOLVE**(_packageName_, _packagePath_, _parentURL_)
 > 1. Assert: _packagePath_ is either empty, or a path without a leading separator.
 > 1. Assert: _packageName_ is a valid package name or scoped package name.