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Oolong

Simple & Efficient state management library for React.js.

What is oolong

  • Oolong is a traditional semi-oxidized Chinese tea.

  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.

Quick Start

  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!

Tutorial: Todo app

Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.

import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});

Caveat : you should always create a store outside of any React component.

Live demo

About

Simple & Efficient state management library for React.js.

Resources

Readme
Activity
Custom properties

Stars

2 stars

Watchers

0 watching

Forks

1 fork
Report repository

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - deligenius/oolong: Simple & Efficient state management library for React.js. · GitHub
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Oolong
Simple & Efficient state management library for React.js.
What is oolong
  • Oolong is a traditional semi-oxidized Chinese tea.
  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.
Quick Start
  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!
Tutorial: Todo app
Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.
import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});
Caveat : you should always create a store outside of any React component.
Live demo
About
Simple & Efficient state management library for React.js.
Resources
Readme
Activity
Custom properties
Stars
2 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - deligenius/oolong: Simple & Efficient state management library for React.js. · GitHub
Skip to content
BranchesTags
Repository files navigation
Oolong
Simple & Efficient state management library for React.js.
What is oolong
  • Oolong is a traditional semi-oxidized Chinese tea.
  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.
Quick Start
  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!
Tutorial: Todo app
Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.
import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});
Caveat : you should always create a store outside of any React component.
Live demo
About
Simple & Efficient state management library for React.js.
Resources
Readme
Activity
Custom properties
Stars
2 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - deligenius/oolong: Simple & Efficient state management library for React.js. · GitHub
Skip to content
BranchesTags
Repository files navigation
Oolong
Simple & Efficient state management library for React.js.
What is oolong
  • Oolong is a traditional semi-oxidized Chinese tea.
  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.
Quick Start
  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!
Tutorial: Todo app
Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.
import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});
Caveat : you should always create a store outside of any React component.
Live demo
About
Simple & Efficient state management library for React.js.
Resources
Readme
Activity
Custom properties
Stars
2 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
GitHub - deligenius/oolong: Simple & Efficient state management library for React.js. · GitHub
Skip to content
BranchesTags
Repository files navigation
Oolong
Simple & Efficient state management library for React.js.
What is oolong
  • Oolong is a traditional semi-oxidized Chinese tea.
  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.
Quick Start
  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!
Tutorial: Todo app
Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.
import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});
Caveat : you should always create a store outside of any React component.
Live demo
About
Simple & Efficient state management library for React.js.
Resources
Readme
Activity
Custom properties
Stars
2 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - deligenius/oolong: Simple & Efficient state management library for React.js. · GitHub
Skip to content
BranchesTags
Repository files navigation
Oolong
Simple & Efficient state management library for React.js.
What is oolong
  • Oolong is a traditional semi-oxidized Chinese tea.
  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.
Quick Start
  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!
Tutorial: Todo app
Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.
import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});
Caveat : you should always create a store outside of any React component.
Live demo
About
Simple & Efficient state management library for React.js.
Resources
Readme
Activity
Custom properties
Stars
2 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - deligenius/oolong: Simple & Efficient state management library for React.js. · GitHub
Skip to content
BranchesTags
Repository files navigation
Oolong
Simple & Efficient state management library for React.js.
What is oolong
  • Oolong is a traditional semi-oxidized Chinese tea.
  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.
Quick Start
  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!
Tutorial: Todo app
Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.
import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});
Caveat : you should always create a store outside of any React component.
Live demo
About
Simple & Efficient state management library for React.js.
Resources
Readme
Activity
Custom properties
Stars
2 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
GitHub - deligenius/oolong: Simple & Efficient state management library for React.js. · GitHub
Skip to content
BranchesTags
Repository files navigation
Oolong
Simple & Efficient state management library for React.js.
What is oolong
  • Oolong is a traditional semi-oxidized Chinese tea.
  • Oolong or "Wulong" is a Chinese term. It roughly translates to "own goal" in English. The term "own goal" refers to a situation in sports, particularly in soccer, when a player inadvertently scores a goal against their own team. The term "wulong" was adopted by Hong Kong journalists in the 1960s and 1970s to translate "own goal" because of its similar pronunciation and its connotations of making a mistake or being confused in Cantonese.
Quick Start
  1. Install oolong/react package to your React.js project
npm i @oolong/react
  1. Create a counterStore
import{createStore}from"@oolong/react";constcounterStore=createStore(0);functionApp(){// subscribe count valueconstcount=counterStore();return(<div>
counter: {count}{/* update the count */}<buttononClick={()=>counterStore.set((prev)=>prev+1)}>
Increment
</button></div>);}
  1. Done!
Tutorial: Todo app
Create a external store for your states is easy with Oolong. You may define a type of the store by passing it to createStore.
import{createStore}from"@oolong/react";typeTodo={id: string;title: string;completed: boolean;};interfaceTodoStore{todos: Todo[];}// pass a initial stateexportconsttodoStore=createStore<TodoStore>({todos: [],});
Caveat : you should always create a store outside of any React component.
Live demo
About
Simple & Efficient state management library for React.js.
Resources
Readme
Activity
Custom properties
Stars
2 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages