Monty  Boehm

Monty Boehm


React-artboard: A Realistic Paint Component


A freeform sketching component for React. Try the demo


react-artboard includes an Artboard component and several tools, including a realistic paintbrush, a marker pen and airbrush, as well as the abstract shading tool. Tools are implemented as custom hooks, so you can add your own brushes and other tools.


npm install react-artboard


For a full usage example, see this file. The simplest usage of the component is like this:

import React from "react";
import { useBrush, Artboard } from "react-artboard";
export function App() {
  const brush = useBrush({ color: "#663399", strokeWidth: 40 });

  return <Artboard tool={brush} style={{ width: 800, height: 600 }} />;

You probably want to allow users to change the colors and size of the brush. Here is an example that uses native color and range inputs:

import React, { useState } from "react";
import { useBrush, Artboard } from "react-artboard";
export function App() {
  const [color, setColor] = useState("#993366");
  const [strokeWidth, setStrokeWidth] = useState(40);
  const brush = useBrush({ color, strokeWidth });

  return (
          onInput={(evt) => setColor(evt.currentTarget.value)}
          onInput={(evt) => setStrokeWidth(parseInt(evt.currentTarget.value))}
      <Artboard tool={brush} style={{ width: 800, height: 600 }} />

You could use a custom component instead of these inputs if you want more control over them, as long as they return a number for the brush size and a string for the color.

If you want to export your creations or clear the canvas, you can use the ref like this:

import React, { useState } from "react";
import { useBrush, Artboard } from "react-artboard";
export function App() {
  const [color, setColor] = useState("#993366");
  const [strokeWidth, setStrokeWidth] = useState(40);
  const brush = useBrush({ color, strokeWidth });

  const [artboardRef, setArtboardRef] = useState();

  return (
        <button onClick={() => artboardRef?.download()}>Download</button>
        <button onClick={() => artboardRef?.clear()}>Clear</button>
          onInput={(evt) => setColor(evt.currentTarget.value)}
          onInput={(evt) => setStrokeWidth(parseInt(evt.currentTarget.value))}
      <Artboard tool={brush} style={{ width: 800, height: 600 }} />





This is the tool returned by the useBrush() hook. You can also implement your own tools and pass them in here.


This accepts a callback that will be passed a ref that you can use to make the following calls:

download: (filename: string, type: string) => void

Downloads the canvas as an image. You can pass in a filename (default "image.png"), and a mimetype (default "image/png"). If you pass an unsupported type it will fallback to PNG.

getImageAsDataUri: (type: string) => string | undefined

Returns the image as a data URI, which can be displayed in an <img> tag for example.

clear: () => void

Clears the image

context: CanvasRenderingContext2D | null | undefined

Canvas rendering context

onStartStroke: (point: Point) => void

Callback at the start of a stroke

onContinueStroke: (point: Point) => void

Callback at the continuing of a stroke

onEndStroke: () => void

Callback at the end of a stroke





  • color A CSS string color.
  • strokeWidth The width of the brush



This tools is inspired by some blog posts, exploring the use of "neighbour point" sketching. It gives a fun, unusual effect that is similar to pencil shading. It is highly configurable, giving quite different effects according to the different parameters.



  • color A CSS string color. Default: #000000
  • spreadFactor The length of the connecting line. A value of 1 means it exactly joins the two points, while 0.5 only covers half the distance. A value above 1 gives a "fur" effect as the line extends beyond the points. Default: 0.9
  • distanceThreshold How near the point needs to be to join, in pixels. Default: 50
  • neighbourStrokeWidth Width of the stroke joining the points. Default: 1
  • neighbourColor Color of the line joining the points. Default: color value with 0.2 alpha





  • color A CSS string color.
  • strokeWidth The width of the brush

Marker pen




  • color A CSS string color.
  • strokeWidth The width of the brush





  • color A CSS string color.
  • strokeWidth The width of the brush

Custom brushes

See the source for useBrush to see how to create a brush. It must return an object, with the following optional callbacks:

  • startStroke?: (point: Point, context: CanvasRenderingContext2D) => void
  • continueStroke?: (point: Point, context: CanvasRenderingContext2D) => void
  • endStroke?: (context: CanvasRenderingContext2D) => void
  • cursor?: string A CSS-compatible string for the cursor to display. You can use the circleCursor() helper to display a resizable circle for the cursor


The useHistory() hook allows undo/redo functionality. Pass it a size value to limit the size of the history stack. It returns and object with the following:

  • history: The History object. Pass this to the Artboard.
  • undo(): Reverts the image to the previous state.
  • redo(): Move forward in history, if available.
  • canUndo: History is available to undo
  • canRedo: History is available to redo


These posts gave inspiration, particularly for the shading tool.

Inspiration for the watercolor tool:

Download Details:

Author: ascorbic
Source Code: 
License: MIT Licence

#react #paint #application 

What is GEEK

Buddha Community

React-artboard: A Realistic Paint Component
Autumn  Blick

Autumn Blick


How native is React Native? | React Native vs Native App Development

If you are undertaking a mobile app development for your start-up or enterprise, you are likely wondering whether to use React Native. As a popular development framework, React Native helps you to develop near-native mobile apps. However, you are probably also wondering how close you can get to a native app by using React Native. How native is React Native?

In the article, we discuss the similarities between native mobile development and development using React Native. We also touch upon where they differ and how to bridge the gaps. Read on.

A brief introduction to React Native

Let’s briefly set the context first. We will briefly touch upon what React Native is and how it differs from earlier hybrid frameworks.

React Native is a popular JavaScript framework that Facebook has created. You can use this open-source framework to code natively rendering Android and iOS mobile apps. You can use it to develop web apps too.

Facebook has developed React Native based on React, its JavaScript library. The first release of React Native came in March 2015. At the time of writing this article, the latest stable release of React Native is 0.62.0, and it was released in March 2020.

Although relatively new, React Native has acquired a high degree of popularity. The “Stack Overflow Developer Survey 2019” report identifies it as the 8th most loved framework. Facebook, Walmart, and Bloomberg are some of the top companies that use React Native.

The popularity of React Native comes from its advantages. Some of its advantages are as follows:

  • Performance: It delivers optimal performance.
  • Cross-platform development: You can develop both Android and iOS apps with it. The reuse of code expedites development and reduces costs.
  • UI design: React Native enables you to design simple and responsive UI for your mobile app.
  • 3rd party plugins: This framework supports 3rd party plugins.
  • Developer community: A vibrant community of developers support React Native.

Why React Native is fundamentally different from earlier hybrid frameworks

Are you wondering whether React Native is just another of those hybrid frameworks like Ionic or Cordova? It’s not! React Native is fundamentally different from these earlier hybrid frameworks.

React Native is very close to native. Consider the following aspects as described on the React Native website:

  • Access to many native platforms features: The primitives of React Native render to native platform UI. This means that your React Native app will use many native platform APIs as native apps would do.
  • Near-native user experience: React Native provides several native components, and these are platform agnostic.
  • The ease of accessing native APIs: React Native uses a declarative UI paradigm. This enables React Native to interact easily with native platform APIs since React Native wraps existing native code.

Due to these factors, React Native offers many more advantages compared to those earlier hybrid frameworks. We now review them.

#android app #frontend #ios app #mobile app development #benefits of react native #is react native good for mobile app development #native vs #pros and cons of react native #react mobile development #react native development #react native experience #react native framework #react native ios vs android #react native pros and cons #react native vs android #react native vs native #react native vs native performance #react vs native #why react native #why use react native

Muhammad Nazam

Muhammad Nazam


Building Powerfull React Components

React's core concept is the component, which is a self-contained block of code that manages its own state and can be reused throughout an application. In this article, we will discuss the basics of React components, their types, and how to create and use them effectively.

#react #React #component #components #web-development #webdevelopers #javascript 

Mathew Rini


How to Select and Hire the Best React JS and React Native Developers?

Since March 2020 reached 556 million monthly downloads have increased, It shows that React JS has been steadily growing. React.js also provides a desirable amount of pliancy and efficiency for developing innovative solutions with interactive user interfaces. It’s no surprise that an increasing number of businesses are adopting this technology. How do you select and recruit React.js developers who will propel your project forward? How much does a React developer make? We’ll bring you here all the details you need.

What is React.js?

Facebook built and maintains React.js, an open-source JavaScript library for designing development tools. React.js is used to create single-page applications (SPAs) that can be used in conjunction with React Native to develop native cross-platform apps.

React vs React Native

  • React Native is a platform that uses a collection of mobile-specific components provided by the React kit, while React.js is a JavaScript-based library.
  • React.js and React Native have similar syntax and workflows, but their implementation is quite different.
  • React Native is designed to create native mobile apps that are distinct from those created in Objective-C or Java. React, on the other hand, can be used to develop web apps, hybrid and mobile & desktop applications.
  • React Native, in essence, takes the same conceptual UI cornerstones as standard iOS and Android apps and assembles them using React.js syntax to create a rich mobile experience.

What is the Average React Developer Salary?

In the United States, the average React developer salary is $94,205 a year, or $30-$48 per hour, This is one of the highest among JavaScript developers. The starting salary for junior React.js developers is $60,510 per year, rising to $112,480 for senior roles.

* React.js Developer Salary by Country

  • United States- $120,000
  • Canada - $110,000
  • United Kingdom - $71,820
  • The Netherlands $49,095
  • Spain - $35,423.00
  • France - $44,284
  • Ukraine - $28,990
  • India - $9,843
  • Sweden - $55,173
  • Singapore - $43,801

In context of software developer wage rates, the United States continues to lead. In high-tech cities like San Francisco and New York, average React developer salaries will hit $98K and $114per year, overall.

However, the need for React.js and React Native developer is outpacing local labour markets. As a result, many businesses have difficulty locating and recruiting them locally.

It’s no surprise that for US and European companies looking for professional and budget engineers, offshore regions like India are becoming especially interesting. This area has a large number of app development companies, a good rate with quality, and a good pool of React.js front-end developers.

As per Linkedin, the country’s IT industry employs over a million React specialists. Furthermore, for the same or less money than hiring a React.js programmer locally, you may recruit someone with much expertise and a broader technical stack.

How to Hire React.js Developers?

  • Conduct thorough candidate research, including portfolios and areas of expertise.
  • Before you sit down with your interviewing panel, do some homework.
  • Examine the final outcome and hire the ideal candidate.

Why is React.js Popular?

React is a very strong framework. React.js makes use of a powerful synchronization method known as Virtual DOM, which compares the current page architecture to the expected page architecture and updates the appropriate components as long as the user input.

React is scalable. it utilises a single language, For server-client side, and mobile platform.

React is steady.React.js is completely adaptable, which means it seldom, if ever, updates the user interface. This enables legacy projects to be updated to the most new edition of React.js without having to change the codebase or make a few small changes.

React is adaptable. It can be conveniently paired with various state administrators (e.g., Redux, Flux, Alt or Reflux) and can be used to implement a number of architectural patterns.

Is there a market for React.js programmers?
The need for React.js developers is rising at an unparalleled rate. React.js is currently used by over one million websites around the world. React is used by Fortune 400+ businesses and popular companies such as Facebook, Twitter, Glassdoor and Cloudflare.

Final thoughts:

As you’ve seen, locating and Hire React js Developer and Hire React Native developer is a difficult challenge. You will have less challenges selecting the correct fit for your projects if you identify growing offshore locations (e.g. India) and take into consideration the details above.

If you want to make this process easier, You can visit our website for more, or else to write a email, we’ll help you to finding top rated React.js and React Native developers easier and with strives to create this operation

#hire-react-js-developer #hire-react-native-developer #react #react-native #react-js #hire-react-js-programmer

Franz  Becker

Franz Becker


React Starter Kit: Build Web Apps with React, Relay and GraphQL.

React Starter Kit — "isomorphic" web app boilerplate   

React Starter Kit is an opinionated boilerplate for web development built on top of Node.js, Express, GraphQL and React, containing modern web development tools such as Webpack, Babel and Browsersync. Helping you to stay productive following the best practices. A solid starting point for both professionals and newcomers to the industry.

See getting started guide, demo, docs, roadmap  |  Join #react-starter-kit chat room on Gitter  |  Visit our sponsors:



Getting Started


The master branch of React Starter Kit doesn't include a Flux implementation or any other advanced integrations. Nevertheless, we have some integrations available to you in feature branches that you can use either as a reference or merge into your project:

You can see status of most reasonable merge combination as PRs labeled as TRACKING

If you think that any of these features should be on master, or vice versa, some features should removed from the master branch, please let us know. We love your feedback!



React Starter Kit

React Static Boilerplate

ASP.NET Core Starter Kit

App typeIsomorphic (universal)Single-page applicationSingle-page application
LanguageJavaScript (ES2015+, JSX)JavaScript (ES2015+, JSX)JavaScript (ES2015+, JSX)
LibrariesReact, History, Universal RouterReact, History, ReduxReact, History, Redux
RoutesImperative (functional)DeclarativeDeclarative, cross-stack
LanguageJavaScript (ES2015+, JSX)n/aC#, F#
LibrariesNode.js, Express, Sequelize,
n/aASP.NET Core, EF Core,
ASP.NET Identity
Data APIGraphQLn/aWeb API


♥ React Starter Kit? Help us keep it alive by donating funds to cover project expenses via OpenCollective or Bountysource!

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How to Contribute

Anyone and everyone is welcome to contribute to this project. The best way to start is by checking our open issues, submit a new issue or feature request, participate in discussions, upvote or downvote the issues you like or dislike, send pull requests.

Learn More

Related Projects

  • GraphQL Starter Kit — Boilerplate for building data APIs with Node.js, JavaScript (via Babel) and GraphQL
  • Membership Database — SQL schema boilerplate for user accounts, profiles, roles, and auth claims
  • Babel Starter Kit — Boilerplate for authoring JavaScript/React.js libraries



Copyright © 2014-present Kriasoft, LLC. This source code is licensed under the MIT license found in the LICENSE.txt file. The documentation to the project is licensed under the CC BY-SA 4.0 license.

Author: kriasoft
Source Code:
License: MIT License

#graphql #react 

Juned Ghanchi


React Native App Developers India, React Native App Development Company

Expand your user base by using react-native apps developed by our expert team for various platforms like Android, Android TV, iOS, macOS, tvOS, the Web, Windows, and UWP.

We help businesses to scale up the process and achieve greater performance by providing the best react native app development services. Our skilled and experienced team’s apps have delivered all the expected results for our clients across the world.

To achieve growth for your business, hire react native app developers in India. You can count on us for all the technical services and support.

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