Skip to content

chore: optimize Request.read #1410

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 6 commits into
base: main
Choose a base branch
from
Open

chore: optimize Request.read #1410

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
45f32ab
chore: optimize Request.read
kevmoo Jun 22, 2024
cd73d07
Merge branch 'main' into use_expando
tomarra Jun 25, 2024
e433734
Update packages/dart_frog/pubspec.yaml
kevmoo Jun 25, 2024
40c7ed2
Update packages/dart_frog/CHANGELOG.md
kevmoo Jun 25, 2024
3d6c280
Merge branch 'main' into use_expando
Aug 6, 2024
3a962f5
Merge branch 'main' into use_expando
Jan 31, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions packages/dart_frog/CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
# 1.1.1-wip

- chore: optimize `Request.read()`.

# 1.1.0

- feat: support reuse of nested router ([#393](https://github.com/VeryGoodOpenSource/dart_frog/pull/393))
Expand Down
14 changes: 6 additions & 8 deletions packages/dart_frog/lib/src/request.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ class Request {

Request._(this._request);

shelf.Request _request;
final shelf.Request _request;

/// Connection information for the associated HTTP request.
HttpConnectionInfo get connectionInfo {
Expand All @@ -120,16 +120,12 @@ class Request {

/// Returns a [Future] containing the body as a [String].
Future<String> body() async {
const requestBodyKey = 'dart_frog.request.body';
final bodyFromContext =
_request.context[requestBodyKey] as Completer<String>?;
if (bodyFromContext != null) return bodyFromContext.future;
final bodyFromContext = _bodyFutureExpando[_request];
if (bodyFromContext != null) return bodyFromContext;

final completer = Completer<String>();
try {
_request = _request.change(
context: {..._request.context, requestBodyKey: completer},
);
_bodyFutureExpando[_request] = completer.future;
completer.complete(await _request.readAsString());
} catch (error, stackTrace) {
completer.completeError(error, stackTrace);
Expand Down Expand Up @@ -158,3 +154,5 @@ class Request {
return Request._(_request.change(headers: headers, path: path, body: body));
}
}

final _bodyFutureExpando = Expando<Future<String>>('dart_frog.request.body');
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Not that familiar with Expandos, would love to see a description on the PR to explain how this improves performance

Copy link
Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

You all would have to measure it.

On the VM, they're pretty cheap. And now you're avoiding copying everything all the time which should be a lot cheaper

2 changes: 1 addition & 1 deletion packages/dart_frog/pubspec.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name: dart_frog
description: A fast, minimalistic backend framework for Dart built by Very Good Ventures.
version: 1.1.0
version: 1.1.1-wip
homepage: https://dartfrog.vgv.dev
repository: https://github.com/VeryGoodOpenSource/dart_frog
issue_tracker: https://github.com/VeryGoodOpenSource/dart_frog/issues
Expand Down