🚀10 Trending projects on GitHub for web developers - 29th January 2021

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1. JerryScript

JerryScript: JavaScript engine for the Internet of Things. A lightweight JavaScript engine for resource-constrained devices such as microcontrollers. It can run on devices with less than 64 KB of RAM and less than 200 KB of flash memory.

jerryscript-project / jerryscript

Ultra-lightweight JavaScript engine for the Internet of Things.

JerryScript: JavaScript engine for the Internet of Things

JerryScript is a lightweight JavaScript engine for resource-constrained devices such as microcontrollers. It can run on devices with less than 64 KB of RAM and less than 200 KB of flash memory.

Key characteristics of JerryScript:

• Full ECMAScript 5.1 standard compliance
• 160K binary size when compiled for ARM Thumb-2
• Heavily optimized for low memory consumption
• Written in C99 for maximum portability
• Snapshot support for precompiling JavaScript source code to byte code
• Mature C API, easy to embed in applications

Additional information can be found on our project page and Wiki.

Memory usage and Binary footprint are measured at here with real target daily.

The latest results on Raspberry Pi 2:

IRC channel: #jerryscript on freenode Mailing list: [e-mail], you can subscribe here and access the mailing list archive here.

Quick Start

Getting the sources

git clone https://github.com/jerryscript-project/jerryscript.git
cd

…

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2. react-big-calendar

An events calendar component built for React and made for modern browsers (read: IE10+) and uses flexbox over the classic tables-ception approach.

jquense / react-big-calendar

gcal/outlook like calendar component

react-big-calendar

An events calendar component built for React and designed for modern browsers (read: not IE) and uses flexbox over the classic tables-caption approach.

DEMO and Docs

Inspired by Full Calendar.

Use and Setup

yarn add react-big-calendar or npm install --save react-big-calendar

Include react-big-calendar/lib/css/react-big-calendar.css for styles, and make sure your calendar's container element has a height, or the calendar won't be visible. To provide your own custom styling, see the Custom Styling topic.

Starters

• react-big-calendar
• react-big-calendar with drag and drop
• react-big-calendar with TypeScript and React hooks bundled with Vite

Run examples locally

$ git clone [e-mail]:jquense/react-big-calendar.git
$ cd react-big-calendar
$ yarn
$ yarn storybook

• Open localhost:3000/examples/index.html.

Localization and Date Formatting

react-big-calendar includes four options for handling the date formatting and culture localization, depending on your preference of DateTime libraries. You can use either the Moment.js, Globalize.js, date-fns, Day.js localizers.

Regardless of your choice, you must…

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3. React Select

The Select Component for React.js. A flexible and beautiful Select Input control for ReactJS with multiselect, autocomplete, async and creatable support.

JedWatson / react-select

The Select Component for React.js

React-Select

The Select control for React. Initially built for use in KeystoneJS.

See react-select.com for live demos and comprehensive docs.

react-select is funded by Thinkmill and Atlassian We are an open source project that is continously supported by the community.

React Select helps you develop powerful select components that just work out of the box, without stopping you from customising the parts that are important to you.

For the story behind this component, watch Jed's talk at React Conf 2019 - building React Select

Features include:

• Flexible approach to data, with customisable functions
• Extensible styling API with emotion
• Component Injection API for complete control over the UI behaviour
• Controllable state props and modular architecture
• Long-requested features like option groups, portal support, animation, and more

Using an older version?

• v3, v4, and v5 upgrade guide
• v2 upgrade guide
• React Select v1 documentation and examples are available at v1.react-select.com

…

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4. Reactour

Tourist Guide into your React Components

elrumordelaluz / reactour

Tourist Guide into your React Components

Tourist Guide and a set of Assistants to travel into your React Components

Documentation

https://docs.react.tours

Packages

@reactour/tour

The main package, which uses the other ones to highlight parts of your application from an array of steps.

@reactour/mask

A customizable Component to highlight certain element or area of the viewport.

@reactour/popover

A customizable Component to attach to an element or position of the viewport to show content.

@reactour/utils

A set of helper functions used by the other packages.

apps/web

The place where all the stuff is visible working, live here.

Sponsored by

Gold sponsors 🥇

Reactour is proud to be sponsored by Frigade, a developer tool for building better product onboarding: guided tours, getting started checklists, announcements, and more.

Repo Activity

License

MIT © Lionel Tzatzkin

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5. Terminalizer

Record your terminal and generate animated gif images or share a web player

faressoft / terminalizer

🦄 Record your terminal and generate animated gif images or share a web player

Terminalizer

Record your terminal and generate animated gif images or share a web player link www.terminalizer.com

Built to be jusT cOol 👌🦄 !

If you think so, support me with a star and a follow 😘

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Table of Contents

• Terminalizer
• Table of Contents
• Features
• What's Next
• Installation
• Getting Started
  • Compression
• Usage
  • Init
  • Config
  • Record
  • Play
  • Render
  • Share
  • Generate
• Configurations
  • Recording
  • Delays
  • GIF
  • Terminal
  • Theme
  • Watermark
  • Frame Box
    • Null Frame
    • Window Frame
    • Floating Frame
    • Solid Frame
    • Solid Frame Without Title
    • Styling Hint
• FAQ
  • How to support ZSH
• Issues
• License

Features

• Highly customizable.
• Cross platform (Linux, Windows, MacOS).
• Custom window frames.
• Custom font.
• Custom colors.
• Custom styles with CSS.
• Watermark.
• Edit frames and adjust delays before rendering.
• Skipping frames by a step value to reduce the number of rendered frames.
• Render images with texts on them instead of capturing your screen for better quality.
• The ability to configure
  • …

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6. Filepond

A JavaScript library that can upload anything you throw at it, optimizes images for faster uploads, and offers a great, accessible, silky smooth user experience.

pqina / filepond

🌊 A flexible and fun JavaScript file upload library

A JavaScript library that can upload anything you throw at it, optimizes images for faster uploads, and offers a great, accessible, silky smooth user experience.

FilePond adapters are available for React, Vue, Angular, Svelte, and jQuery

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Buy me a Coffee / Use FilePond with Pintura / Dev updates on Twitter

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Core Features

• Accepts directories, files, blobs, local URLs, remote URLs and Data URIs.
• Drop files, select on filesystem, copy and paste files, or add files using the API.
• Async uploads with AJAX, supports chunk uploads, can encode files as base64 data and send along form post.
• Accessible, tested with AT software like VoiceOver and JAWS, navigable by Keyboard.
• Image optimization, automatic image resizing, cropping, filtering, and fixes EXIF orientation.
• Responsive, automatically scales to available space, is functional on both mobile and desktop devices.

Learn…

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7. Blueprint

Blueprint is a React-based UI toolkit for the web. It is optimized for building complex, data-dense web interfaces for desktop applications which run in modern browsers and IE11. This is not a mobile-first UI toolkit.

palantir / blueprint

A React-based UI toolkit for the web

Blueprint

Blueprint is a React-based UI toolkit for the web.

It is optimized for building complex, data-dense web interfaces for desktop applications which run in modern browsers This is not a mobile-first UI toolkit.

Read the introductory blog post ▸

View the full documentation ▸

Try it out on CodeSandbox ▸

Read frequently asked questions (FAQ) on the wiki ▸

Changelog

Blueprint's change log and migration guides for major versions live on the repo's Github wiki.

Packages

This repository contains multiple projects in the packages/ directory that fall into 3 categories:

Libraries

These are the component libraries we publish to NPM.

• – Design system color variables.
• – Core styles & components.
• – Components for interacting with dates and times.
• – Next-generation components for interacting with dates and times.
• – APIs for displaying icons (contains both SVG and icon font implementations).
• – Theme for Monaco Editor (⚠️ experimental).
• – Components…

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8. ress

Modern CSS reset

filipelinhares / ress

🚿 A modern CSS reset

Modern CSS reset

Installation

npm install --save ress

or

yarn add ress

Features

1. Apply box-sizing: border-box; in all elements.
2. Reset padding and margin in all elements.
3. Specify background-repeat: no-repeat in all elements and pseudo elements.
4. Inherit text-decoration and vertical-align to ::before and ::after.
5. Remove the outline when hovering in all browsers.
6. Specify font-family: monospace in code elements.
7. Reset border-radius in input elements.
8. Specify font inheritance of form elements.
9. Remove the default button styling in all browsers.
10. Specify textarea resizability to vertical.
11. Apply cursor: pointer to button elements.
12. Apply tab-size: 4 in html.
13. Style select like a standard input.
14. Style cursor by aria attributes.

Crossbrowser

ress uses Normalize.css under the hood with some customizations to apply a solid base to start your stylesheet.

Browser support

• Chrome
• Edge
• Firefox ESR+
• Internet Explorer 10+
• Opera
• Safari 8+

CDN

unpkg

https://unpkg.com/ress/dist/ress.min.css

jsDevlivr

# Production
https://cdn.jsdelivr.net/npm/ress@4.0.0/dist/ress.min.css

# Development
https://cdn.jsdelivr.net/gh/filipelinhares/ress@latest/dist/ress.min.css

License

MIT © Filipe…

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9. Constate

Write local state using React Hooks and lift it up to React Context only when needed with minimum effort.

diegohaz / constate

React Context + State

Constate

Write local state using React Hooks and lift it up to React Context only when needed with minimum effort.

🕹 CodeSandbox demos 🕹
Counter	I18n	Theming	TypeScript	Wizard Form

Basic example

import React, { useState } from "react";
import constate from "constate";
// 1️⃣ Create a custom hook as usual
function useCounter() {
  const [count, setCount] = useState(0);
  const increment = () => setCount(prevCount => prevCount + 1);
  return { count, increment };
}

// 2️⃣ Wrap your hook with the constate factory
const [CounterProvider, useCounterContext] = constate(useCounter);

function Button() {
  // 3️⃣ Use context instead of custom hook
  const { increment } = useCounterContext();
  return <button onClick={increment}>+</button

…

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10. Lazy Collections

Collection of fast and lazy operations

RobinMalfait / lazy-collections

Collection of fast and lazy operations

Lazy Collections

Fast and lazy collection operations

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Working with methods like .map(), .filter() and .reduce() is nice however they create new arrays and everything is eagerly done before going to the next step.

This is where lazy collections come in, under the hood we use iterators and async iterators so that your data flows like a stream to have the optimal speed.

All functions should work with both iterator and asyncIterator, if one of the functions uses an asyncIterator (for example when you introduce delay(100)), don't forget to await the result!

let program = pipe(
  map((x) => x * 2),
  filter((x) => x % 4 === 0),
  filter((x) => x % 100 === 0),
  filter((x) => x % 400 === 0),
  toArray

…

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