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Chart.js React

Tiny, written in TS, based on React hooks wrapper for Chart.js v4

codecovnpm version

Why?

The main problem that the most popular package react-chartjs-2 was written many years ago has a bunch of legacy code and issues (in 90% of cases it does not work without the redraw = true flag).

The main idea was to completely rewrite code into modern React with hooks.

The second goal, add custom React tooltips for Chart.js

Version

The version format is X.Y.Z, where

  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version

Current latest versions

  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above

Support the project

If you like to use this module please click the star button - it is very motivating.

Quick Start

Install chartjs-react using npm:

$ npm install chartjs-react

Documentation

TODO tooltips

Examples

Bar chart on Chart.js v3 (date-fns)

import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};

Get the chart instance

import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};

TODO

  • Added chart tooltip as children (after release v3)

License

MIT

About

Tiny, written in TS, based on React hooks wrapper for Chart.js

Resources

Readme
MIT license
Activity

Stars

79 stars

Watchers

3 watching

Forks

4 forks
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 - xr0master/chartjs-react: Tiny, written in TS, based on React hooks wrapper for Chart.js · GitHub
Skip to content
BranchesTags
Repository files navigation
Chart.js React
Tiny, written in TS, based on React hooks wrapper for Chart.js v4
codecovnpm version
Why?
The main problem that the most popular package react-chartjs-2 was written
many years ago has a bunch of legacy code and issues
(in 90% of cases it does not work without the redraw = true flag).
The main idea was to completely rewrite code into modern React with hooks.
The second goal, add custom React tooltips for Chart.js
Version
The version format is X.Y.Z, where
  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version
Current latest versions
  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above
Support the project
If you like to use this module please click the star button - it is very motivating.
Quick Start
Install chartjs-react using npm:
$ npm install chartjs-react
Documentation
TODO tooltips
Examples
Bar chart on Chart.js v3 (date-fns)
import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};
Get the chart instance
import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};
TODO
  • Added chart tooltip as children (after release v3)
License
MIT
About
Tiny, written in TS, based on React hooks wrapper for Chart.js
Resources
Readme
MIT license
Activity
Stars
79 stars
Watchers
3 watching
Forks
4 forks
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 - xr0master/chartjs-react: Tiny, written in TS, based on React hooks wrapper for Chart.js · GitHub
Skip to content
BranchesTags
Repository files navigation
Chart.js React
Tiny, written in TS, based on React hooks wrapper for Chart.js v4
codecovnpm version
Why?
The main problem that the most popular package react-chartjs-2 was written
many years ago has a bunch of legacy code and issues
(in 90% of cases it does not work without the redraw = true flag).
The main idea was to completely rewrite code into modern React with hooks.
The second goal, add custom React tooltips for Chart.js
Version
The version format is X.Y.Z, where
  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version
Current latest versions
  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above
Support the project
If you like to use this module please click the star button - it is very motivating.
Quick Start
Install chartjs-react using npm:
$ npm install chartjs-react
Documentation
TODO tooltips
Examples
Bar chart on Chart.js v3 (date-fns)
import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};
Get the chart instance
import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};
TODO
  • Added chart tooltip as children (after release v3)
License
MIT
About
Tiny, written in TS, based on React hooks wrapper for Chart.js
Resources
Readme
MIT license
Activity
Stars
79 stars
Watchers
3 watching
Forks
4 forks
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 - xr0master/chartjs-react: Tiny, written in TS, based on React hooks wrapper for Chart.js · GitHub
Skip to content
BranchesTags
Repository files navigation
Chart.js React
Tiny, written in TS, based on React hooks wrapper for Chart.js v4
codecovnpm version
Why?
The main problem that the most popular package react-chartjs-2 was written
many years ago has a bunch of legacy code and issues
(in 90% of cases it does not work without the redraw = true flag).
The main idea was to completely rewrite code into modern React with hooks.
The second goal, add custom React tooltips for Chart.js
Version
The version format is X.Y.Z, where
  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version
Current latest versions
  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above
Support the project
If you like to use this module please click the star button - it is very motivating.
Quick Start
Install chartjs-react using npm:
$ npm install chartjs-react
Documentation
TODO tooltips
Examples
Bar chart on Chart.js v3 (date-fns)
import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};
Get the chart instance
import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};
TODO
  • Added chart tooltip as children (after release v3)
License
MIT
About
Tiny, written in TS, based on React hooks wrapper for Chart.js
Resources
Readme
MIT license
Activity
Stars
79 stars
Watchers
3 watching
Forks
4 forks
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 - xr0master/chartjs-react: Tiny, written in TS, based on React hooks wrapper for Chart.js · GitHub
Skip to content
BranchesTags
Repository files navigation
Chart.js React
Tiny, written in TS, based on React hooks wrapper for Chart.js v4
codecovnpm version
Why?
The main problem that the most popular package react-chartjs-2 was written
many years ago has a bunch of legacy code and issues
(in 90% of cases it does not work without the redraw = true flag).
The main idea was to completely rewrite code into modern React with hooks.
The second goal, add custom React tooltips for Chart.js
Version
The version format is X.Y.Z, where
  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version
Current latest versions
  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above
Support the project
If you like to use this module please click the star button - it is very motivating.
Quick Start
Install chartjs-react using npm:
$ npm install chartjs-react
Documentation
TODO tooltips
Examples
Bar chart on Chart.js v3 (date-fns)
import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};
Get the chart instance
import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};
TODO
  • Added chart tooltip as children (after release v3)
License
MIT
About
Tiny, written in TS, based on React hooks wrapper for Chart.js
Resources
Readme
MIT license
Activity
Stars
79 stars
Watchers
3 watching
Forks
4 forks
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 - xr0master/chartjs-react: Tiny, written in TS, based on React hooks wrapper for Chart.js · GitHub
Skip to content
BranchesTags
Repository files navigation
Chart.js React
Tiny, written in TS, based on React hooks wrapper for Chart.js v4
codecovnpm version
Why?
The main problem that the most popular package react-chartjs-2 was written
many years ago has a bunch of legacy code and issues
(in 90% of cases it does not work without the redraw = true flag).
The main idea was to completely rewrite code into modern React with hooks.
The second goal, add custom React tooltips for Chart.js
Version
The version format is X.Y.Z, where
  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version
Current latest versions
  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above
Support the project
If you like to use this module please click the star button - it is very motivating.
Quick Start
Install chartjs-react using npm:
$ npm install chartjs-react
Documentation
TODO tooltips
Examples
Bar chart on Chart.js v3 (date-fns)
import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};
Get the chart instance
import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};
TODO
  • Added chart tooltip as children (after release v3)
License
MIT
About
Tiny, written in TS, based on React hooks wrapper for Chart.js
Resources
Readme
MIT license
Activity
Stars
79 stars
Watchers
3 watching
Forks
4 forks
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 - xr0master/chartjs-react: Tiny, written in TS, based on React hooks wrapper for Chart.js · GitHub
Skip to content
BranchesTags
Repository files navigation
Chart.js React
Tiny, written in TS, based on React hooks wrapper for Chart.js v4
codecovnpm version
Why?
The main problem that the most popular package react-chartjs-2 was written
many years ago has a bunch of legacy code and issues
(in 90% of cases it does not work without the redraw = true flag).
The main idea was to completely rewrite code into modern React with hooks.
The second goal, add custom React tooltips for Chart.js
Version
The version format is X.Y.Z, where
  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version
Current latest versions
  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above
Support the project
If you like to use this module please click the star button - it is very motivating.
Quick Start
Install chartjs-react using npm:
$ npm install chartjs-react
Documentation
TODO tooltips
Examples
Bar chart on Chart.js v3 (date-fns)
import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};
Get the chart instance
import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};
TODO
  • Added chart tooltip as children (after release v3)
License
MIT
About
Tiny, written in TS, based on React hooks wrapper for Chart.js
Resources
Readme
MIT license
Activity
Stars
79 stars
Watchers
3 watching
Forks
4 forks
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 - xr0master/chartjs-react: Tiny, written in TS, based on React hooks wrapper for Chart.js · GitHub
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Chart.js React
Tiny, written in TS, based on React hooks wrapper for Chart.js v4
codecovnpm version
Why?
The main problem that the most popular package react-chartjs-2 was written
many years ago has a bunch of legacy code and issues
(in 90% of cases it does not work without the redraw = true flag).
The main idea was to completely rewrite code into modern React with hooks.
The second goal, add custom React tooltips for Chart.js
Version
The version format is X.Y.Z, where
  • X - is chart.js major version
  • Y - is chartjs-react major version
  • Z - is chartjs-react minor version
Current latest versions
  • 3.8.0 supports Chart.js version 3.9.1 and above
  • 4.0.0 supports Chart.js version 4.0.1 and above
Support the project
If you like to use this module please click the star button - it is very motivating.
Quick Start
Install chartjs-react using npm:
$ npm install chartjs-react
Documentation
TODO tooltips
Examples
Bar chart on Chart.js v3 (date-fns)
import{BarController,LinearScale,BarElement,TimeScale,Tooltip,}from'chart.js';import'chartjs-adapter-date-fns';import{enUS}from'date-fns/locale';import{ReactChart}from'chartjs-react';// Register modules,// this example for time scale and linear scaleReactChart.register(BarController,LinearScale,BarElement,TimeScale,Tooltip);// options of chart similar to v2 with a few changes// https://www.chartjs.org/docs/next/getting-started/v3-migration/constchartOption={scales: {x: {type: 'time',adapters: {date: enUS,},},y: {type: 'linear',},},};// data of chart similar to v2, check the migration guideconstchartData={};constBarChart=()=>{return(<ReactCharttype="bar"data={chartData}options={chartOption}height={400}/>);};
Get the chart instance
import{Chart}from'chart.js';onEvent=()=>{constmyChartInstance=Chart.getChart('unique-chart-id');// Do your stuff with the chart instance// Note: the chart should be mounted};constBarChart=()=>{return(<ReactChartid="unique-chart-id"type="bar"data={chartData}options={chartOption}height={400}/>);};
TODO
  • Added chart tooltip as children (after release v3)
License
MIT
About
Tiny, written in TS, based on React hooks wrapper for Chart.js
Resources
Readme
MIT license
Activity
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79 stars
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3 watching
Forks
4 forks
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