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README.md

@polkadot/react-query

WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.

For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation

Overview

A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.

Usage

Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,

importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...

All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.

...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n 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;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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react-query
README.md
@polkadot/react-query
WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.
For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation
Overview
A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.
Usage
Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,
importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...
All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.
...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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react-query
README.md
@polkadot/react-query
WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.
For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation
Overview
A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.
Usage
Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,
importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...
All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.
...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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react-query
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react-query
README.md
@polkadot/react-query
WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.
For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation
Overview
A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.
Usage
Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,
importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...
All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.
...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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react-query
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react-query
README.md
@polkadot/react-query
WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.
For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation
Overview
A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.
Usage
Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,
importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...
All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.
...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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react-query
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react-query
README.md
@polkadot/react-query
WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.
For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation
Overview
A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.
Usage
Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,
importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...
All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.
...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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react-query
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react-query
README.md
@polkadot/react-query
WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.
For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation
Overview
A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.
Usage
Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,
importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...
All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.
...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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react-query
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react-query
README.md
@polkadot/react-query
WARNING: This is an internal package to polkadot-js/apps so is not inteded (yet) for broad use. Since these are generic components, they will move to the polkadot-js/ui repo once deemed stable and usable.
For the existing sharable components usable in external React-based projects, take a look at the polkadot-js/ui documentation
Overview
A collection of RxJS enabled React components that operate with the @polkadot/api-rx library. It automatically manages subscriptions on behalf of the developer, providing a number of unstyled components that can be used to construct UIs.
Usage
Basic usage entails creating a ContextProvider and just using the components. For instance, to display the current node time,
importReactfrom'react';importReactDOMfrom'react-dom';import{Api,NodeTime}from'@polkadot/react-query';
...
ReactDOM.render(<Api><NodeTime/></Api>,document.querySelector('#container'));
...
All components are provided unstyled making no assumptions on the actual use, however they all support (optionally) the label, className and style attributes, that can be used to style to component.
...
ReactDOM.render(<Api><NodeTimeclassName='rx-time'label='current node time:'/></Api>,document.querySelector('#container'));
...