doc: clarify escaping for ES modules

This should make it clear(er) how to escape special characters like `#` and `?`. Ref: #41052 PR-URL: #41074 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>
nodejs · Feb 1, 2022 · ecc086c · ecc086c
1 parent 28c52f6
commit ecc086c
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/doc/api/esm.md b/doc/api/esm.md
@@ -153,8 +153,8 @@ typically configured server.
 
 ### URLs
 
-ES modules are resolved and cached as URLs. This means that files containing
-special characters such as `#` and `?` need to be escaped.
+ES modules are resolved and cached as URLs. This means that special characters
+must be [percent-encoded][], such as `#` with `%23` and `?` with `%3F`.
 
 `file:`, `node:`, and `data:` URL schemes are supported. A specifier like
 `'https://example.com/app.js'` is not supported natively in Node.js unless using
@@ -1473,6 +1473,7 @@ success!
 [cjs-module-lexer]: https://github.com/nodejs/cjs-module-lexer/tree/1.2.2
 [custom https loader]: #https-loader
 [load hook]: #loadurl-context-defaultload
+[percent-encoded]: url.md#percent-encoding-in-urls
 [resolve hook]: #resolvespecifier-context-defaultresolve
 [special scheme]: https://url.spec.whatwg.org/#special-scheme
 [the official standard format]: https://tc39.github.io/ecma262/#sec-modules