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DEV: Preload CSS in the `<head>` (#17322)
This commit adds preload links for core/plugin/theme CSS stylesheets in the head.

Preload links are non-blocking and run in parallel. This means that they should have already been downloaded by the time we use the actual stylesheets (in the <body> tag).

Google is currently complaining about this here and this PR will address that warning.

This commit will also fix an issue in the splash screen where it sometimes doesn't respect the theme colors - causing a slightly jarring experience on dark themes.

Note that I opted not to add new specs because the underlying work required already has a lot of coverage. The new methods only change the output HTML so we can chuck that in the document <head>

This change also means that we can make all the stylesheets non-render blocking, but that will follow in a separate commit.
2022-07-05 00:23:09 +08:00
.devcontainer DEV: Replace postCreateCommand with postStartCommand (#16665) 2022-05-05 23:52:35 +02:00
.github DEV: Remove ember-cli flags from the backend (#17147) 2022-06-20 16:33:05 +02:00
.vscode-sample DEV: Move vscode config files to `.vscode-sample` directory (#11943) 2021-02-03 14:14:39 +00:00
app DEV: Preload CSS in the `<head>` (#17322) 2022-07-05 00:23:09 +08:00
bin DEV: Add `--forward-host` option to `bin/ember-cli` (#17244) 2022-06-28 21:20:14 +02:00
config FEATURE: Decouple category/tag presence in sidebar from notifi level (#17273) 2022-06-30 14:54:20 +08:00
db FEATURE: Decouple category/tag presence in sidebar from notifi level (#17273) 2022-06-30 14:54:20 +08:00
docs FIX: Quoting local dates bbcode regeneration (#17141) 2022-06-21 10:07:21 +10:00
images Replace README logo with PNG (#14044) 2021-08-13 14:23:49 -04:00
lib DEV: Preload CSS in the `<head>` (#17322) 2022-07-05 00:23:09 +08:00
log
plugins FEATURE: whispers available for groups (#17170) 2022-06-30 10:18:12 +10:00
public DEV: Use performance timings to as a baseline for the splash take 2 (#17284) 2022-06-30 21:22:00 +08:00
script DOC(cache_critical_dns): add program description 2022-05-26 14:26:57 +10:00
spec FIX: Logout could fail due to cached user (#17325) 2022-07-04 17:01:19 +02:00
test DEV: Update puppeteer, fix deprecations, lint (#16616) 2022-05-03 20:58:58 +02:00
vendor DEV: Remove handlebars from the old package.json (#17319) 2022-07-04 15:05:03 +02:00
.editorconfig
.eslintignore DEV: Remove obsolete parts of our custom loader (#17157) 2022-06-20 18:40:25 +02:00
.eslintrc DEV: Upgrade Markdown.it to v13.0.1 (#17099) 2022-06-20 15:25:13 +02:00
.git-blame-ignore-revs DEV: the referenced commit bc97… was rebased into 445d… (#11626) 2021-01-07 08:14:54 +11:00
.gitattributes
.gitignore DEV: Add CI job that audits dependency licenses (#16568) 2022-04-26 14:09:42 -04:00
.licensed.yml DEV: Upgrade to Rails 7 2022-04-28 11:51:03 +02:00
.licensee.json DEV: Add CI job that audits dependency licenses (#16568) 2022-04-26 14:09:42 -04:00
.npmrc DEV: Prevent npm usage (#13945) 2021-08-04 22:04:58 +02:00
.prettierignore DEV: Remove obsolete parts of our custom loader (#17157) 2022-06-20 18:40:25 +02:00
.prettierrc DEV: upgrades dev config (#10588) 2020-09-04 13:33:03 +02:00
.rspec DEV: Automatically require 'rails_helper' in all specs (#16077) 2022-03-01 17:50:50 +00:00
.rspec_parallel
.rubocop.yml Revert "Bump rubocop-discourse to 2.3.0." 2020-07-24 13:18:49 +08:00
.ruby-gemset.sample
.ruby-version.sample Update .ruby-version.sample 2021-07-30 14:42:14 -04:00
.template-lintrc.js enable eol-last for eslint and ember-template-lint (#12678) 2021-04-12 17:22:00 -07:00
Brewfile
CONTRIBUTING.md
COPYRIGHT.md DEV: Absorb onebox gem into core (#12979) 2021-05-26 15:11:35 +05:30
Gemfile FIX: Make disabling TLS in mail possible again 2022-06-08 14:04:05 +02:00
Gemfile.lock Build(deps): Bump oj from 3.13.14 to 3.13.15 (#17309) 2022-07-04 01:20:38 +02:00
LICENSE.txt DEV: Absorb onebox gem into core (#12979) 2021-05-26 15:11:35 +05:30
README.md Update README.md (#17165) 2022-06-21 09:47:20 +10:00
Rakefile FIX: Do not dump schema during production database migrations (#12785) 2021-04-21 16:26:20 +01:00
adminjs
config.ru
d
discourse.sublime-project
jsapp
lefthook.yml DEV: Don't template-lint all files in lefthook (#17255) 2022-06-27 20:01:13 +02:00
package.json DEV: Remove handlebars from the old package.json (#17319) 2022-07-04 15:05:03 +02:00
translator.yml DEV: Add styleguide locale files to Crowdin (#10876) 2020-10-09 13:23:32 +11:00
yarn.lock DEV: Remove handlebars from the old package.json (#17319) 2022-07-04 15:05:03 +02:00

README.md

Discourse is the 100% open source discussion platform built for the next decade of the Internet. Use it as a:

  • mailing list
  • discussion forum
  • long-form chat room

To learn more about the philosophy and goals of the project, visit discourse.org.

Screenshots

Boing Boing

Mobile

Browse lots more notable Discourse instances.

Development

To get your environment setup, follow the community setup guide for your operating system.

  1. If you're on macOS, try the macOS development guide.
  2. If you're on Ubuntu, try the Ubuntu development guide.
  3. If you're on Windows, try the Windows 10 development guide.

If you're familiar with how Rails works and are comfortable setting up your own environment, you can also try out the Discourse Advanced Developer Guide, which is aimed primarily at Ubuntu and macOS environments.

Before you get started, ensure you have the following minimum versions: Ruby 2.7+, PostgreSQL 13+, Redis 6.2+. If you're having trouble, please see our TROUBLESHOOTING GUIDE first!

Setting up Discourse

If you want to set up a Discourse forum for production use, see our Discourse Install Guide.

If you're looking for business class hosting, see discourse.org/buy.

Requirements

Discourse is built for the next 10 years of the Internet, so our requirements are high.

Discourse supports the latest, stable releases of all major browsers and platforms:

Browsers Tablets Phones
Apple Safari iPadOS iOS
Google Chrome Android Android
Microsoft Edge
Mozilla Firefox

Additionally, we aim to support Safari on iOS 12.5+ until January 2023 (Discourse 3.0).

Built With

  • Ruby on Rails — Our back end API is a Rails app. It responds to requests RESTfully in JSON.
  • Ember.js — Our front end is an Ember.js app that communicates with the Rails API.
  • PostgreSQL — Our main data store is in Postgres.
  • Redis — We use Redis as a cache and for transient data.
  • BrowserStack — We use BrowserStack to test on real devices and browsers.

Plus lots of Ruby Gems, a complete list of which is at /main/Gemfile.

Contributing

Build Status

Discourse is 100% free and open source. We encourage and support an active, healthy community that accepts contributions from the public including you!

Before contributing to Discourse:

  1. Please read the complete mission statements on discourse.org. Yes we actually believe this stuff; you should too.
  2. Read and sign the Electronic Discourse Forums Contribution License Agreement.
  3. Dig into CONTRIBUTING.MD, which covers submitting bugs, requesting new features, preparing your code for a pull request, etc.
  4. Always strive to collaborate with mutual respect.
  5. Not sure what to work on? We've got some ideas.

We look forward to seeing your pull requests!

Security

We take security very seriously at Discourse; all our code is 100% open source and peer reviewed. Please read our security guide for an overview of security measures in Discourse, or if you wish to report a security issue.

The Discourse Team

The original Discourse code contributors can be found in AUTHORS.MD. For a complete list of the many individuals that contributed to the design and implementation of Discourse, please refer to the official Discourse blog and GitHub's list of contributors.

Copyright 2014 - 2022 Civilized Discourse Construction Kit, Inc.

Licensed under the GNU General Public License Version 2.0 (or later); you may not use this work except in compliance with the License. You may obtain a copy of the License in the LICENSE file, or at:

https://www.gnu.org/licenses/old-licenses/gpl-2.0.txt

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Discourse logo and “Discourse Forum” ®, Civilized Discourse Construction Kit, Inc.

Accessibility

To guide our ongoing effort to build accessible software we follow the W3Cs Web Content Accessibility Guidelines (WCAG). If you'd like to report an accessibility issue that makes it difficult for you to use Discourse, email accessibility@discourse.org. For more information visit discourse.org/accessibility.

Dedication

Discourse is built with love, Internet style.