DEV Community: Megha Ghotkar

Your Website Looks Great… But Can Everyone Actually Use It?

Megha Ghotkar — Fri, 27 Mar 2026 13:48:55 +0000

Imagine This…
You build a beautiful website.
Clean UI. Smooth animations. Perfect responsiveness.

But…

A user can’t click your button (no keyboard support)
Another can’t read your text (low contrast)
Someone else can’t understand your form (no labels)

Your UI isn’t broken…
It’s just not accessible

The Reality We Ignore

Over 1 billion people live with some form of disability.

That means:
Your product might be silently excluding a massive audience

And the scary part?
Most developers don’t even realize it.

The Foundation: WCAG (Your Accessibility GPS)

The Web Content Accessibility Guidelines (WCAG) help you build experiences that work for everyone—not just “ideal users.”

Instead of overwhelming rules, WCAG is built on 4 simple ideas

The 4 Principles (POUR) — Think Like This

1. Perceivable — “Can users see or hear this?”

If users can’t perceive content, nothing else matters.

Add alt text to images
Use proper contrast
Provide captions

Real moment:
A visually impaired user relies on a screen reader. Your alt="logo" vs alt="Company dashboard home" makes a HUGE difference.

2. Operable — “Can users actually use it?”

Not everyone uses a mouse.

Keyboard navigation is mandatory
No trapped focus
Click ≠ only interaction

Real moment:
Try using your site with just the Tab key. If you get stuck, your user is stuck too.

3. Understandable — “Does this make sense?”

Good UI is predictable.

Clear labels
Helpful errors
Simple instructions

Real moment:
“Invalid input”
“Password must include 1 number”

4. Robust — “Will this work everywhere?”

Your code should talk to assistive tech.

Use semantic HTML
Avoid div soup
Use ARIA wisely

Real moment:
works everywhere
breaks accessibility

The Developer Reality: What You ACTUALLY Need to Do

Let’s simplify WCAG into what matters for you

1. Level A — The Bare Minimum (Non-Negotiable)
If you skip this, your site is fundamentally broken.

Add labels to inputs
Make everything keyboard accessible
Use proper HTML structure
Add alt text Example:

<label for="email">Email</label>
<input id="email" type="email" />

2. Level AA — The Real Standard (What You Should Target)
This is where good UI becomes great UI.

Contrast ratio ≥ 4.5:1
Visible focus states
Clear error messages
Text can scale to 200%

Example:

button:focus {
  outline: 3px solid #000;
}

Start Today (No Excuses)
You don’t need a full audit to begin.

Start with this:

Try your site using only keyboard
Add labels to every form field
Replace divs with semantic elements
Check contrast once
Test with a screen reader (just once!)

Small changes → huge impact

Accessibility is not an extra feature. It is the foundation of great UX. 🚀

AI-Powered Design Systems: The Future of UI/UX Design

Megha Ghotkar — Tue, 30 Sep 2025 11:33:00 +0000

The world of UI/UX design is evolving at an unprecedented pace, and artificial intelligence (AI) is at the forefront of this transformation. Designers today are no longer confined to manually crafting every layout, component, or theme. AI-powered design systems are helping teams generate designs automatically, optimize workflows, and create personalized user experiences faster than ever.
In this post, we’ll explore how AI is reshaping design systems, the tools driving this change, and the balance between AI efficiency and human creativity.
How AI is Transforming Design Systems
AI-powered design systems leverage machine learning, natural language processing, and computer vision to assist designers in tasks like:

Layout Generation

AI can automatically arrange UI elements based on best practices or existing templates.
Designers provide input like content type or style preference, and the AI produces multiple variations instantly.

Component & Theme Creation

Generate reusable components (buttons, cards, forms) with consistent style rules.
Suggest color palettes, typography, and spacing to maintain visual harmony.

Rapid Prototyping

Tools can convert sketches, wireframes, or text descriptions into interactive prototypes.
This dramatically reduces the time from concept to testable design.

Popular AI-Powered Design Tools

Figma AI – Generates design suggestions, auto-arranges components, and assists in creating responsive layouts.
Adobe Firefly – Uses generative AI to create UI assets, icons, and thematic elements directly from text prompts.
Google Stitch – Builds high-fidelity UI layouts and even generates frontend code from AI-driven design inputs.

These tools enable designers to focus more on user experience, strategy, and creativity, rather than repetitive tasks.

Pros of AI-Driven Design

Speed & Efficiency – Designs that once took hours can now be generated in minutes.
Consistency – AI ensures brand guidelines, spacing, and style rules are applied uniformly.
Exploration – Generates multiple design options to experiment with layouts and aesthetics.
Data-Driven Decisions – Some AI tools analyze user behavior and suggest UI patterns that increase engagement.

Cons of AI-Driven Design

Creativity Limitations – AI often relies on existing patterns, which may lead to homogenized designs.
Context Awareness – AI may miss nuanced design decisions or cultural context.
Over-Reliance Risk – Designers might lose touch with the human-centered aspects of UX if they rely solely on AI.
Ethical Concerns – Ownership and originality of AI-generated designs can be a gray area.

Balancing AI and Human Creativity

AI is best seen as a collaborative partner rather than a replacement. Designers bring empathy, creativity, and contextual understanding, while AI provides speed, efficiency, and inspiration. By combining both, teams can:

Generate layouts faster.
Focus on refining user interactions.
Experiment with innovative designs without starting from scratch.

Conclusion

AI-powered design systems are redefining UI/UX workflows, making rapid prototyping, layout generation, and component creation more accessible and efficient. While AI accelerates the design process, the human touch remains irreplaceable for creating meaningful, empathetic, and innovative experiences.

The future of design lies in synergy—AI tools amplifying human creativity, allowing designers to craft experiences that are not just faster, but smarter and more user-centered.

How AI is Changing the Way We Design UI

Megha Ghotkar — Wed, 11 Jun 2025 17:23:33 +0000

"Wait… the AI just built that screen in a minute?"
That was the exact reaction from a designer friend of mine last month. We were experimenting with an AI tool, and within seconds, a complete mobile onboarding flow had appeared—buttons, text fields, illustrations, and all.
It felt like witnessing design sorcery.
But here’s the thing:
We’re not just designing UIs anymore - we’re designing alongside AI.

Welcome to the Age of Intelligent Interfaces
There was a time when building user interfaces meant:

Sketching wireframes on paper
Spending hours manually aligning elements
Laboring over color theory and font pairings

Today, you can describe your idea in a sentence - and an AI tool will generate a pixel-perfect mockup in seconds.
This isn’t replacing creativity - it’s reshaping it.

AI Is Now Your Design Partner (Not Just a Tool)
Instead of being just another button on your toolbar, AI is becoming a collaborator.
Here’s how it’s transforming the UI design process:

1. Design from Text - The Prompt-to-UI Revolution
Imagine this:
You type:
"Create a responsive landing page for a travel app with a hero image, search bar, and CTA."
In less than a minute, an AI-powered tool like Uizard, Figma AI generates a layout.
No blank canvas anxiety.
No “where do I start?”
Just instant momentum.
These tools can:

Suggest layouts based on industry standards
Automatically style components to match your brand
Adapt to screen sizes from mobile to desktop

This changes the role of the designer.
Now, you're guiding the machine - not micromanaging pixels.

2. Understanding Users Before They Click
One of the biggest challenges in UI design is predicting how users will behave.
Traditionally, we relied on:

A/B testing
User surveys

Now, AI-enhanced analytics platforms go further by:

Predicting user drop-off points
Highlighting friction areas
Suggesting design improvements backed by behavior data

Think of it as an early warning system for bad UX.
And the best part? It's real-time.

3. Smart Personalization = Better UX
With AI, UIs are no longer one-size-fits-all.
Modern platforms can now:

Adapt content based on user behavior
Change layouts depending on usage history
Offer personalized product recommendations or actions

For example:
A dashboard might show different widgets to a beginner vs. an advanced user.
A homepage could highlight destinations you've shown interest in before.
The result?
Interfaces that feel intuitive - because they are designed just for you.

4. Clean Up, Align, Improve - Automatically
Designers often spend hours on:

Aligning elements
Checking accessibility contrast
Ensuring consistent spacing

AI can now:

Detect inconsistencies in spacing or sizing
Auto-align objects with precision
Suggest accessibility improvements in real-time

What used to take hours now takes minutes - freeing up time for real creative work.

What the Future of UI Design Looks Like

Here’s where we’re headed:

AI-generated design systems tailored to your brand
Conversational UIs that adapt based on user emotions or tone
Accessibility simulation with AI personas (e.g., low vision, neurodivergence)
AI-assisted idea exploration, turning sketches or voice notes into prototypes

We're moving toward a world where interfaces aren’t just built - they evolve.

The Secret Sauce of Great UI: Thinking Beyond Pixels

Megha Ghotkar — Mon, 24 Mar 2025 11:19:03 +0000

When we talk about User Interface (UI), most people immediately think of aesthetics—colors, buttons, and layouts. While these visual elements are essential, great UI goes beyond just looking good. It’s about creating an intuitive, seamless experience where users feel empowered without even realizing the thought process behind it.

Think about the best apps you’ve ever used. You never needed a manual, tutorial, or a guide; you just instinctively knew what to do. That’s the beauty of a well-designed UI—it feels natural, responsive, and almost invisible. But what makes a UI truly exceptional? Let’s explore the core principles that define great UI.

1. Invisible Design is the Best Design

A great UI shouldn’t require excessive thinking. If users struggle to find what they need, the design is failing them. The best UI experiences are frictionless, where every interaction is intuitive and purposeful.

Clarity over Complexity: Overloading an interface with unnecessary elements creates clutter and confusion. Every component should have a purpose.
Consistency is Key: Repeated design patterns and familiar layouts make it easier for users to navigate.
Hierarchy Matters: Proper spacing, contrast, and typography guide users naturally through content.

2. Microinteractions: The Unseen Heroes

Ever hovered over a button and noticed a subtle color shift? Or received instant feedback when filling out a form? These tiny interactions, known as Microinteractions, make a UI feel alive and engaging.

Hover Effects & Animations: These small changes enhance usability by providing feedback.
Error Prevention & Validation: Inline validation (e.g., highlighting incorrect fields in red) reduces frustration.
Loading Indicators & Progress Bars: Visual cues help users understand that the system is responding.

3. Speed is a Feature

A beautiful UI is meaningless if it’s slow and unresponsive. Performance optimization should be a priority in UI design.

Optimize Load Times: Compress images, minimize scripts, and use caching to improve speed.
Reduce Unnecessary Animations: While animations enhance user experience, excessive motion effects can slow down the interface.
Instant Feedback: Users expect instant responses. Even minor delays can make an interface feel sluggish.

4. Design for Humans, Not Robots

Users don’t think in grids, pixels, or code. They scan content, tap elements, and expect immediate feedback. Designing with human behavior in mind ensures an engaging experience.

Intuitive Navigation: Users should find what they need with minimal effort. Logical flow and familiar icons improve usability.
Mobile-First Mindset: With mobile usage dominating, responsive and touch-friendly design is non-negotiable.
Accessibility Matters: A great UI is inclusive. Features like readable fonts, proper color contrast, and keyboard navigation support make interfaces accessible to all users.

Conclusion

UI design isn’t just about how things look—it’s about how they feel and function. The best UI is the one users don’t even notice because it simply works. When an interface is designed with clarity, responsiveness, and usability in mind, it creates an effortless experience that keeps users coming back.

By focusing on these principles, designers can craft experiences that are not only visually appealing but also intuitive, efficient, and delightful. Because in the end, great UI isn’t just seen—it’s felt.

How a Future-Ready CMS Transforms Content Delivery

Megha Ghotkar — Fri, 29 Nov 2024 19:05:12 +0000

Businesses must cater to audiences across multiple devices and platforms in an ever-evolving digital ecosystem. This shift demands more from content management systems (CMS) than ever. Future-ready CMS platforms are stepping up, transforming content delivery to meet the challenges of omnichannel communication, rapid scalability, and personalized user experiences. Let’s explore how these CMS platforms are revolutionizing content delivery and why they’re indispensable for modern web development.

The Evolution of CMS Platforms
Traditional CMS platforms were designed for static websites, primarily focused on desktop delivery. Future-ready CMS platforms, however, embrace flexibility and adaptability to:

Support Omnichannel Content Delivery
• Publish content seamlessly across websites, mobile apps, social media, IoT devices, and voice assistants.
• Ensure consistent branding and messaging across channels.
Leverage Emerging Technologies
• Incorporate tools like AI, machine learning, and predictive analytics for dynamic content optimization.
• Enable integration with AR/VR for immersive user experiences.
Enable Faster Time-to-Market
• Agile content workflows and advanced automation tools reduce the time needed to publish updates or launch new campaigns.

Key Features of a Future-Ready CMS

Headless Architecture
Decoupling the backend content repository from the frontend presentation layer allows for:
• Flexibility to use any front-end technology.
• Simplified omnichannel content delivery.
• Faster adoption of emerging technologies.
API-Driven Ecosystem
A robust API infrastructure facilitates seamless integration with third-party tools, enhancing functionality such as:
• CRM and analytics tools for data-driven insights.
• E-commerce platforms for personalized shopping experiences.
• Marketing automation for targeted campaigns.
Scalability and Cloud-Native Design
Future-ready CMS platforms are built to handle:
• Growing traffic and expanding content libraries.
• Secure, scalable hosting on cloud platforms.

Tips for Developers: Building Scalable and Adaptable CMS Platforms

Design for Modularity A component-based architecture makes updates and changes easy without disrupting the entire system.
Adopt Microservices Split your CMS into independent microservices that can be developed, deployed, and scaled separately.
Focus on Security and Compliance Ensure GDPR, CCPA, and other compliance standards are met with built-in security measures and audit trails.

The Role of UI/UX in Content Delivery
While technical capabilities are critical, the success of content delivery hinges on its usability. A solid UI/UX design:

Empowers Content Creators Intuitive interfaces and drag-and-drop builders simplify the process of creating and managing content.
Enhances Audience Engagement Well-designed front-end experiences ensure seamless interaction, faster load times, and responsive layouts.
Improves Accessibility Inclusive design ensures content is accessible to all users, regardless of device or ability.

Examples of Future-Ready CMS in Action

E-Commerce Platforms Retailers use headless CMS to provide real-time updates across websites and apps, integrating AI for personalized product recommendations.
Media and Entertainment Streaming services rely on API-driven CMS platforms to deliver curated content to diverse devices, including smart TVs and mobile apps.
Educational Institutions Universities leverage omnichannel CMS capabilities to deliver course content, announcements, and interactive tools on multiple platforms.

Conclusion
A future-ready CMS is not just a tool—it’s a strategic enabler that helps businesses stay agile in a rapidly changing digital world. By embracing headless architecture, omnichannel delivery, and user-centric design, these platforms are redefining content delivery for developers and audiences alike.
Is your CMS ready for the future?

How Automations, Integrations, and Scripting Can Transform Your Workflow

Megha Ghotkar — Wed, 28 Aug 2024 14:51:06 +0000

Ready to elevate your Airtable experience? In my previous blog, I gave you an overview of Airtable's core features. Now, let’s dive into how you can take your Airtable game to the next level with its robust automation, integration, and scripting capabilities. Imagine automating repetitive tasks, seamlessly connecting with other apps, and creating custom workflows—all within Airtable. Read on to discover how these powerful features can streamline your processes and boost your productivity.

What are Automations in Airtable?

Airtable is not just a powerful database tool; it also offers robust automation and integration capabilities that can significantly enhance your workflow efficiency. By combining Airtable Automation with Integrations and Scripting, you can automate repetitive tasks, connect your Airtable base to various third-party applications, and create highly customized workflows tailored to your specific needs.
• Trigger: The event that starts the automation. This could be an action such as "When a record is created," "When a record is updated," or "At a scheduled time."
• Action:The task that is executed when the trigger occurs. Actions could include sending an email, creating a new record, updating an existing record, sending a notification to Slack, or integrating with third-party apps via webhooks.

Overview of Actions in Airtable Automation

When you create an automation in Airtable, you can choose from several predefined actions that perform specific tasks whenever a trigger condition is met. Here’s a brief overview of the common types of actions available:

Send an Email:
• Automate the process of sending emails directly from Airtable when a record is created, updated, or meets specific conditions.
• Useful for notifying team members or clients, sending reminders, or confirming actions.
Send a Slack Message:
• Post messages to a Slack channel or direct message, which helps keep your team informed in real-time.
• Great for task updates, status changes, or alerts when specific conditions are met.
Create a Record:
• Automatically create new records in a table when a trigger condition is met.
• Useful for generating new entries in related tables, such as logging completed tasks or adding a note.
Update a Record:
• Modify existing records in your base when certain conditions are met.
• Ideal for maintaining data consistency or updating the status of a task or project.
Find Records:
• Search for records in a table that meet specific criteria.
• Useful for querying related records and taking action based on search results.
Run a Script:
• Executes custom JavaScript code to perform complex operations, handle conditional logic, or interact with external APIs.
• The most versatile action, allowing for virtually unlimited customization and integration possibilities.

Adding More Power with Airtable Scripting

Airtable Scripting adds another layer of customization and control. With scripting, you can write JavaScript code to perform advanced operations that aren’t possible through standard Airtable features. This is particularly useful for complex data manipulation, conditional logic, or custom integrations that require more sophisticated handling.

Airtable Scripting Example: Check Task Status
Script Objective:
To check if the task status is "Completed" and log the task name.

// Step 1: Define the Table and Input Variables
let table = base.getTable("Tasks");
let inputConfig = input.config();

// Step 2: Fetch the Updated Record
let recordId = inputConfig.recordId;
let record = await table.selectRecordAsync(recordId);

if (!record) {
    console.log("Record not found.");
    return;
}

// Step 3: Get Field Values
let status = record.getCellValue("Status");

// Step 4: Check if Status is 'Completed'
if (status === "Completed") {
    // Log the task name if the status is "Completed"
    console.log(`Task "${record.getCellValue("Task Name")}" is marked as Completed.`);
} else {
    console.log(`Task "${record.getCellValue("Task Name")}" is not marked as Completed.`);
}

How to Use the Script:

Set Up Automation:
• Go to the Automations tab in your Airtable base and create a new automation with the trigger "When a record is updated."
• Set the condition to trigger when the "Status" field changes to any value, but you want to ensure that your script checks specifically for "Completed."
Add "Run Script" Action:
• After setting the trigger, click on "Add Action" and choose "Run script."
Script Settings:
• In the script settings, create an input variable named recordId that captures the ID of the updated record. This input variable will automatically pass the record ID to the script when the automation runs.
Copy and Paste the Script:
• Copy the simplified script above and paste it into the script editor. This script is designed to check if the task's status is "Completed."
Test the Automation:
• Run a test by updating a task record's status to "Completed" in the Tasks table. Check the script's console output to verify that it logs the correct task name.

Airtable Overview: The Modern Database Tool for All Your Needs

Megha Ghotkar — Wed, 28 Aug 2024 14:34:11 +0000

Are we tired of managing complex databases or scattered spreadsheets? Meet Airtable—the modern database tool that combines a spreadsheet's simplicity with a database's power. In this blog, we'll explore how Airtable can revolutionize your workflow with its intuitive features and powerful integrations.

What is Airtable?

Airtable is a cloud-based software that combines the best aspects of spreadsheets and databases. Unlike traditional databases, which often require technical skills to set up and maintain, Airtable is designed to be accessible to users with all levels of technical expertise. Its intuitive interface allows users to create and manipulate complex databases with the ease of a spreadsheet, making it ideal for both simple and advanced data management tasks.

Key Features of Airtable

Database Functionality: Airtable allows users to create relational databases with multiple tables, linking records between them. This is particularly useful for organizing data that has complex relationships. For example, a marketing team could create a database to track campaigns, with linked tables for assets, budgets, and performance metrics.
Views: Airtable offers several types of views to visualize data, including Grid, Calendar, Kanban, Gallery, and Form views. Each view is designed to cater to different needs:
• Grid View: This is the default view, similar to a traditional spreadsheet, where users can input and manipulate data.
• Calendar View: Perfect for tracking dates and deadlines, this view allows you to visualize records with date fields on a calendar.
• Kanban View: Inspired by the Kanban board methodology, this view is great for task management and organizing work in progress.
• Gallery View: Useful for visual-centric data, this view displays records as large cards. It's ideal for portfolios, product listings, or any data that benefits from visual presentation.
• Form View: Allows users to create forms for data entry, which can be shared with others to collect information directly into the database.
Forms: Airtable’s form feature allows users to easily create forms to collect data from others, which then feeds directly into the database. This is particularly useful for surveys, feedback collection, event registrations, and more. Forms are customizable and can be shared via a link or embedded in a website.
Automation and Integration: Airtable offers automation capabilities that allow users to create custom workflows to automate repetitive tasks. These can include sending notifications, updating records, or triggering third-party integrations. Airtable integrates seamlessly with various popular tools such as Slack, Zapier, Google Workspace, and more, enhancing its functionality and fitting smoothly into your existing workflow.
Collaboration Tools: Airtable supports real-time collaboration, making it an excellent tool for team projects. Users can comment on records, assign tasks, and set permissions to control who can view or edit data. This makes Airtable not just a data management tool but a comprehensive collaboration platform.

What are Integrations in Airtable?

Integrations allow Airtable to connect and interact with other apps and services. These integrations enable you to sync data across platforms, automate workflows that span multiple tools, and enhance the functionality of your Airtable base by leveraging the features of other apps. Airtable supports integrations with various popular tools such as Slack, Google Workspace, Zapier, Microsoft Teams, and more.

conclusion

Airtable is more than just a database—it's a flexible, collaborative platform that streamlines your workflow and boosts productivity. With features tailored for every need, Airtable transforms how you organize, visualize, and manage data. Ready to elevate your work? Dive into Airtable today!
Check out my detailed blog on how to automate your tasks and integrate your favorite tools with Airtable!

How to Create an Authorization Request Link for Acrobat Sign OAuth Integration.

Megha Ghotkar — Mon, 01 Apr 2024 05:41:35 +0000

What is OAuth?
OAuth is an open-standard authorization protocol that enables applications to access resources on behalf of users without sharing their passwords. It's commonly used for allowing third-party applications to access web services on behalf of a user.

Step 1: Obtain Your OAuth Credentials
Before you can create an authorization request link, you'll need to obtain your OAuth credentials from the Acrobat Sign OAuth configuration page. These credentials include your client ID, which identifies your application, and your redirect URI, where users will be sent after authorization.

Step 2: Construct the Authorization Request Link

Your app must include a link your customers use to initiate the OAuth request process. The OAuth process starts with the client directing the user’s browser request to the /public/oauth/v2 endpoint with the requisite query string parameters. You are simply invoking the Acrobat Sign APIs here. For example:
For partner apps the Base URI (Acrobat Sign endpoint) should NOT contain the “shard” of an account (i.e.: na1, na2, eu1, jp1, etc.)
For Customer apps the Base URI should contain the "shard" of an account
(The domain which we have selected while creating application)

Now that you have your OAuth credentials, it's time to construct the authorization request link. The link will direct users to the Acrobat Sign OAuth endpoint, initiating the authorization process. Here's an example of how to construct the link:

The pattern to create an authorization request link:
Base_URL?Redirect_URI&Response_Type&Client_Id&Scope

https://secure.echosign.com/public/oauth?
   redirect_uri=https://your-oAuthInteraction-Server/your-oAuth-Page.html&
   response_type=code&
   client_id=xxxxxxxxxx&
   state=xxxxxxxxxx&
 scope=user_read:account+user_write:account+user_login:account+agreement_read:account+agreement_write:account+agreement_send:account+widget_read:account+widget_write:account+library_read:account+library_write:account+workflow_read:account+workflow_write:account

Let's break down the parameters:

response_type=code: This tells the process to look for the OAuth code on the redirect URI once the user logs in and accepts the authorization permissions.
client_id: Your application's unique identifier obtained from the Acrobat Sign OAuth configuration page.
redirect_uri: Your custom, secure, and absolute URI where users will be redirected after the authorization process.
scope: A space-delimited set of permissions specified during the OAuth configuration setup, indicating the permissions that the user will be asked to approve.
state: An optional parameter used to protect against CSRF. It returns to the client as a parameter at the end of the authorization process.

Step 3: Initiating the OAuth Request
With the authorization request link prepared, it's time to enter it into the browser's address bar and initiate the OAuth request. Upon navigating to this link, users will be directed to the Acrobat Sign sign-in page, where they'll be prompted to authenticate their credentials.

Step 4: Signing In and Granting Access
Once on the sign-in page, users should proceed to sign in with their respective Adobe credentials. After successful authentication, they'll encounter a confirmation screen detailing the requested permissions. Here, users should carefully review the permissions and proceed by selecting "Allow Access" to grant authorization.

Step 5: Receiving the Authorization Code
Post-authorization confirmation, the browser will automatically redirect to the specified redirect URI, appending the authorization code as a parameter in the URL. To retrieve this authorization code, users need to examine the URL parameters displayed in the browser's address bar.

Conclusion
In conclusion, by meticulously following these outlined steps, you can seamlessly create an authorization request link and generate an authorization code for Adobe Acrobat Sign OAuth integration. This process streamlines user authentication and access to Acrobat Sign APIs, empowering your application with enhanced functionality.

Elevating React Development: A Guide to Generic Components

Megha Ghotkar — Wed, 28 Feb 2024 13:27:10 +0000

In the world of React development, creating reusable and adaptable components is key to building scalable and maintainable applications. Generic components, in particular, offer a versatile solution for encapsulating common UI patterns and functionalities. In this blog post, we'll explore how to implement and utilize generic components in React, along with code examples demonstrating their effectiveness.

Understanding Generic Components

Generic components, also referred to as reusable components or UI primitives, are modular building blocks designed to be reused across different parts of an application or even in multiple projects. These components are typically abstracted to encompass common UI patterns, behaviors, and functionalities.

Implementing Generic Components in React

Let's dive into a practical example by creating a generic component in React. This component will encapsulate common button functionalities and allow for customization through props.

import React, { FC, ReactNode, MouseEvent } from 'react';
interface ButtonProps {
  onClick: (event: MouseEvent<HTMLButtonElement>) => void;
  color?: string;
  variant?: 'solid' | 'outline';
  children: ReactNode;
}

const Button: FC<ButtonProps> = ({ onClick, color = '#007bff', variant = 'solid', children }) => {
  const buttonStyles = {
    backgroundColor: color,
    padding: '10px 20px',
    borderRadius: '5px',
    border: 'none',
    cursor: 'pointer',
    color: variant === 'outline' ? color : '#fff',
    outline: 'none',
  };

  return (
    <button style={buttonStyles} onClick={onClick}>
      {children}
    </button>
  );
};

export default Button;

In the above example
We've defined the ButtonProps interface to specify the prop types.
The Button component is defined as a functional component (FC) accepting the ButtonProps interface as its props.
We've provided default values for the color and variant props using TypeScript's optional property syntax (?).
TypeScript automatically infers the prop types based on the interface, so we don't need to explicitly specify prop types as in PropTypes.

Utilizing Generic Components

Now, let's see how we can use our component in different parts of our application:

import React, { MouseEvent } from 'react';
import Button from './Button';
const App: React.FC = () => {
  const handleClick = () => {
    alert('Button clicked!');
  };

  return (
    <div>
      <h1>Using Generic Components in React</h1>
      <Button onClick={handleClick}>Click me</Button>
      <Button onClick={handleClick} color="green" variant="outline">
        Submit
      </Button>
    </div>
  );
};

export default App;

In this above example
The App component is defined as a functional component (FC) with no props.
We import MouseEvent from react to specify the type of the handleClick function parameter.
We import the Button component from its relative path.
We use the Button component with different props (onClick, color, variant) as in the original code.

Conclusion

Generic components are a powerful tool for building reusable and maintainable React applications. By abstracting common UI patterns and functionalities into generic components, developers can streamline development, promote consistency, and enhance code maintainability.
Through practical examples like the component demonstrated above, you can leverage the flexibility and reusability of generic components to create scalable and adaptable React applications.

Understanding React's useState Hook

Megha Ghotkar — Thu, 05 Oct 2023 13:01:24 +0000

React's useState hook is a powerful tool that allows functional components to manage state.
In this brief guide, we'll explore the basics of useState with simple examples to help you grasp its usage quickly.
Understanding useState
In React, state represents data that can change over time and affects a component's rendering. Before hooks, class-based components were used for state management. Hooks, including useState, simplify state handling in functional components.
Basic Syntax:
The useState hook takes an initial state value and returns an array with two elements: the current state and a function to update that state. Here's how you can use it:
const [state, setState] = useState(initialState);
Example 1: Creating a Counter
Let's create a basic counter component using useState:


import React, { useState } from 'react';

function Counter() {
  const [count, setCount] = useState(0);

  return (
    <div>
      <p>Count: {count}</p>
      <button onClick={() => setCount(count + 1)}>Increment</button>
    </div>
  );
}

• useState(0) initializes count to 0.
• setCount is the updater function for count.
• When the "Increment" button is clicked, it calls setCount to update the state, causing a re-render with the new value.

Example 2: Managing Input Fields
Let's create a component to manage an input field's value:

import React, { useState } from 'react';

function InputField() {
  const [text, setText] = useState('');

  const handleInputChange = (event) => {
    setText(event.target.value);
  };

  return (
    <div>
      <input
        type="text"
        value={text}
        onChange={handleInputChange}
        placeholder="Type something..."
      />
      <p>You typed: {text}</p>
    </div>
  );
}

• text manages the input field's value.
• setText updates text when the input changes.
• The input value is controlled by text, and changes are reflected in the paragraph below in real-time.

File System Module in Node JS

Megha Ghotkar — Fri, 23 Dec 2022 13:12:41 +0000

To handle the file operations like creating, reading, deleting files etc. Node JS provides an inbuilt module called fs (file system)
There is no need to install this module to use the file system module, as it is a build in module that comes with the node.js installation. we just need to import this using require () method
const fs =require(‘fs’);
File system has two forms depending upon user requirement
synchronous and asynchronous
Synchronous approach:
They are called blocking functions hence its block the next command from execution. It waits for each operation to complete, after that it executes the next operation.

Asynchronous approach:
They are called non-blocking functions hence it never waits for each operation to complete, rather it executes all operations in the first go itself.

Example for synchronous and asynchronous

First let’s create a text file named as an input.txt with the following contents:

Hi Megha, Welcome to the blog for File system module in Node JS.

Now create .ts file named as index.ts with the following code
Example for synchronous method

 var fs = require("fs");
const DataPath='./input.txt

// synchronous read
fs.readFileSync(DataPath, function (err:any, data:any) {
   if (err) {
      return console.error(err);
   }
   console.log("synchronous read: " + data.toString());
});

Example for asynchronous method

var fs = require("fs");
const DataPath='./input.txt' 

// asynchronous read
fs.readFile(DataPath, function (err:any, data:any) {
   if (err) {
      return console.error(err);
   }
   console.log("Asynchronous read: " + data.toString());
});

The ‘fs’ module provides us a multiple method
Common use for the file system module is to
• Open Files
• Read Files
• Create Files
• Update Files
• Delete Files
• Rename Files

Open a File:
If I just want to open the file then I will use fs.open()method.
fs.open(path, flags, mode, callback)

path:It holds the name of the file to read or the entire path if stroed at other locations
flags:(optional) flags indicate the behaviour of the file to be opened possible values(r, r+, rs, rs+, w, w+ etc)
mode:(optional)Sets the mode of file i.er-read, w-write It sets to default as readwrite.
callback:It’s a callback function. It takes two parameter
err:If any error occurs.
data:Contents of the file It is called after the open operation is executed.

First let’s create a text file named as a input.txt as I mentioned above with the following contents:
Hi Megha, Welcome to the blog for File system module in Node JS.
Now create .ts file named as index.ts with the following code

var fs = require("fs");
const DataPath='./input.txt' 
console.log("open file");
fs.open(DataPath,'r+',function(err:any){
   try{
      console.log("File open successfully")
   }
   catch(error){
      console.log("error occurred while opening file");
   }
});

Reading a file:This method is used to read the file

fs.readFile(fd, buffer, offset, length, position, callback)

fd:this is the file description returned by fs.open () method.
buffer:this is the buffer that the data will be written to.
offset:This is the offset in the buffer to start writing at.
length:this is an integer specifying the number of bytes to read.
position:This is an integer specifying where to begin reading from in the file. If the position is null, data will be read from the current file position.
callback:It’s a callback function that is called after reading of the file. It takes two parameters
err:If any error occurs.
data:Contents of the file.
Add following code to the index.ts file which we have created already

var fs = require("fs");
const DataPath='./input.txt' 
console.log("opening an existing file");
fs.open(DataPath, 'r+', function(err:any, fd:any) {
   if (err) {
      return console.error(err);
   }
   console.log("File opened successfully!");
   console.log("reading the file");

   fs.readFile(DataPath, function (err:any, data:any) {
         try{
         console.log( data.toString());
         }
         catch(error){
            console.log("error occured while fetching data")
          }
      });
});

Writing to a file: this method will overwrite the file if the file already exists. Is used to write the specified data to a file . By default, the file would be replaced if it exists.

fs.writeFile(path, data, options, callback)

path: It holds the name of the file to read or the entire path if stroed at other locations
data: It is a string, TypedArray that will be written to the file
options: It’s a string that can be used to specify optional parameters. It has three optional parameter:
encoding: It’s a string value that speciifes the encoding of the file. The default value is ‘utf8’ .
mode: Its an integer value that specifies the file mode
flag: It’s a string value that speciifes the flag used while writing to the file. The default value is ‘w’.
callback: It’s a function that would be called when the method is executed
err: If any error occurs.

var fs = require("fs");
const DataPath='./input.txt' 

var data = "Hi Megha,Welcome to the blog for File system module in Node JS.";

fs.writeFile(DataPath, data, (err:any) => {
  if (err) console.log(err);
  console.log("Successfully Written to File.");
});

Fs module is useful when you want perform an any Fileoperation on files.

Code First Approach in Node Js !

Megha Ghotkar — Mon, 13 Dec 2021 14:29:37 +0000

Code First- Approach prioritizing code over schema. Code First is a technique which helps us to create a database, migrates and maintaining the database and its tables from the code.

Sequelize is the package for code first. It can support many databases as well as MYSQL, MSQL and sqlLight. for that

Prerequisites
To run sequelize , you should have few things installed on your system.

First we need to install sequelize package

$ npm install --save sequelize

Install sequelize cli

$ npm install sequelize-cli -D

Install database what you want

$ npm install --save mysql2 //sqlite,mssql

Let's start by creating a our configuration file using:

$ npx sequelize-cli init

This will generate a few files for you, your project folder should now look like this:
. ├── config │ └── config.json ├── migrations ├── models │ └── index.js └── package.json

Connect to the database

    const sequelize = new Sequelize('database', 'username', 
      'password', {
       host: 'localhost',
       dialect:mssql
   });

Test connection to the database

sequelize
.authenticate()
.then(() => {
console.log('Connection has been established successfully.');
})
.catch(err => {
console.error('Unable to connect to the database:', err);
});

Defining models
Sequelize is all about the models in database language we can say these are our schemas- the structure that our data takes .Your models are the objects that you will interact with in your application and the primary tables that you will create and manage in your database.

Create models for user table

module.exports = (sequelize: any, DataTypes : any) => {
  class User extends Model<UserAttributes> 
  implements UserAttributes{

    Id!: number;
    FirstName!: string;
    static associate(models : any) {
      // define association here

    }
  };
  User.init({ 
    Id: {
      type: DataTypes.INTEGER,
      autoIncrement: true,
      allowNull: false,
      primaryKey: true
    },
    FirstName: {
      type: DataTypes.STRING(20),
      allowNull: false
  }, {
    sequelize,
    modelName: 'User',
    freezeTableName:true
  });
  return User;
};

Synchronizing Your Models

The last step to set up Sequelize is to synchronize our models. We can sychronize individual tables by calling .sync() on the table.
For example, user.sync() or role.sync(). To sync the whole database, just use db.sync().
When testing, it's sometimes easier to start with fresh tables every time you launch your application. .sync() can take an object with parameters that allow you to control various aspects of database synchronization. One of these is {force: true}.
db.sync({force: true}) will drop your tables, and resync your data as though you are starting new.

db.sequelize.sync({ force: true }).then(() => {
    app.listen(port, () => {
        console.log("Drop and re-sync DB");
    })
});

force: true will drop the table if it already exists

Migrations

The name of migration file is it will have the timestamp of when the migration file was created. This reason is sequelize can run the older migration files first, and then the newer ones that build on top of them. This is useful when changes need to be made to the database.
Also, make sure that your models and your migrations match. The migration files keep track of the state of the database schemas, and should always be created when changes to your models are made. Always commit corresponding migration files when changes to your models are made.

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await queryInterface.createTable('user', {

//write code here 

  },
  down: async (queryInterface, Sequelize) => {
    await queryInterface.dropTable('user');
  },
};

Lets consider you forgot to add Email column in user Table no worry’s sequelize migrations has an addColumn function that will fix the problem
sequelize migration:create --name add-email-to-user

this command only generates migration file so you have to add some code in up and down functions

'use strict';

module.exports = {
  up: function (queryInterface, Sequelize) {
    return queryInterface.addColumn( 'user', 'email', Sequelize.STRING );
  },

  down: function (queryInterface, Sequelize) {
    return queryInterface.removeColumn( 'user', 'email' );
  }
};

Every time you run sequelize db:migrate it will call the up method. And if you ever want to revert backwards, you can call sequelize db:migrate:undo which will call the down method. They should always be opposite actions, this allows you to safely run migrations and know that the state of the database will be intact.