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HEY MERN

HEY MERN
mern-docker-app/
├── client/
│   ├── public/
│   │   └── index.html
│   ├── src/
│   │   ├── App.js
│   │   └── index.js
│   ├── Dockerfile
│   └── package.json
├── server/
│   ├── src/
│   │   └── index.js
│   ├── Dockerfile
│   └── package.json
├── docker-compose.yml
├── docker-compose.prod.yml
└── .dockerignore

Tired of wasting time constructing the basic file structure just to get started building your MERN app. Just say HEY MERN! Use this simple script to get you up in running immediately with one command.

$ npx heymern

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Play it

Ever wanted to learn to play the piano. Well now you can with Javascript AudioContext.

AudioContext is a powerful API provided by JavaScript that allows developers to create, manipulate, and analyze audio data directly within a web browser. It essentially turns your browser into a digital audio workstation (DAW), enabling you to build interactive audio applications, music synthesizers, and audio effects.

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A new Vue on things

A new Vue on things

Vue.js, commonly referred to as Vue, is an open-source JavaScript framework used for building user interfaces and single-page applications (SPAs). Vue is designed to be approachable, flexible, and highly customizable, making it a popular choice among developers for creating dynamic and interactive web applications.

Key features and concepts of Vue.js include:

1. Component-Based Architecture: Similar to React, Vue.js encourages building applications using reusable components. Components encapsulate both the UI and behavior, making it easier to manage and maintain complex user interfaces.

2. Reactivity: Vue introduces a reactivity system that automatically updates the DOM whenever the underlying data changes. This system allows developers to declare data dependencies and efficiently manage UI updates.

3. Vue Directives: Vue provides special directives that allow you to bind data to the DOM, manipulate the DOM, and apply conditional rendering. For example, the `v-bind` directive is used to bind data to HTML attributes, and the `v-if` directive is used for conditional rendering.

4. Templates: Vue supports an HTML-based template syntax that allows you to declare the structure of your UI components in a declarative manner. These templates are then compiled into render functions for efficient rendering.

5. Vue Router: Vue Router is an official routing library for Vue.js. It provides tools for creating single-page applications with client-side routing, allowing you to define different views and navigate between them without full page reloads.

6. Vuex: Vuex is Vue's official state management library. It helps manage centralized state across your application and provides a way to share data between components.

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Reacting to the state of Javascript

ReactJS

React is an open-source JavaScript library developed and maintained by Facebook (and a community of developers) for building user interfaces, particularly for web applications. It's widely used to create dynamic, interactive, and reusable UI components.

The primary goal of React is to provide a flexible and efficient way to create user interfaces that update and render efficiently when the underlying data changes. It uses a concept called the "Virtual DOM" to optimize the process of updating the actual browser DOM, making UI updates more performant.

Key features and concepts of React include:

1. Components: React applications are built using components, which are modular, reusable building blocks for UI elements. Components can be composed together to create complex user interfaces.

2. Virtual DOM: React uses a Virtual DOM to represent the structure of the actual browser DOM. When data changes, React calculates the difference between the previous and new Virtual DOM states (known as the "diffing" process) and updates the actual DOM efficiently.

3. One-Way Data Binding: React enforces a unidirectional data flow. Data flows from parent components to child components via props, and child components can't directly modify the data passed to them.

4. JSX: JSX is a syntax extension that allows you to write HTML-like code within your JavaScript code. It makes it easier to describe the structure of your UI components.

5. State: React components can have internal state, which allows them to manage and respond to changes in their own data. Stateful components re-render when their state changes.

6. Props: Props (short for properties) are data passed from parent to child components. They are immutable and allow you to configure and customize components dynamically.

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Angular & the Future

Angular & the Future

Angular is an open-source web application framework developed and maintained by Google and a community of developers. It's used for building dynamic, single-page applications (SPAs) and web applications with rich user interfaces. Angular provides a comprehensive set of tools and features to help developers create complex and scalable applications.

Key features and concepts of Angular include:

1. Component-Based Architecture: Angular applications are built using components, which are reusable and encapsulated building blocks for UI elements. Components are organized in a hierarchical structure and communicate with each other using inputs, outputs, and services.

2. Dependency Injection: Angular has a built-in dependency injection system that manages the creation and sharing of application components and services. This promotes modularity and testability by making components more independent and easier to test.

3. Templates and Directives: Angular templates use a declarative syntax to define the structure and behavior of the UI. Directives, such as `ngFor` and `ngIf`, allow you to manipulate the DOM, apply conditional rendering, and iterate over data.

4. Reactive Programming: Angular leverages reactive programming concepts with the RxJS library. Observables are used to handle asynchronous data streams and facilitate real-time updates in the application.

5. Services: Services in Angular are used to encapsulate business logic, data manipulation, and interaction with external resources (like APIs). Services are injectable and can be shared among components.

6. Routing: Angular provides a powerful routing system that allows you to create multi-view applications with client-side routing. You can define routes, navigate between views, and load components dynamically.

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Hey React Componets

Hey React Componets

Do you want to build your own npm reusable react component library. I built this one very quickly. It is a simple component library including of a Card, Button, Form, Table and more components to come. Some key features are the Form component allows you to define form fields as content childeren and the Table component supports sorting, filtering and pagination.

$ npm i hey-react-components

Want to create your own. Follow these steps

Step 1: Set Up Your Project

1. Initialize your project:   

mkdir my-component-library
cd my-component-library
npm init -y

2. Install necessary dependencies:

npm install react react-dom
npm install --save-dev typescript @types/react @types/react-dom rollup @rollup/plugin-node-resolve @rollup/plugin-commonjs rollup-plugin-typescript2

   

3. Set up TypeScript configuration:

   Create a tsconfig.json file:

{
"compilerOptions": {
"target": "es5",
"module": "esnext",
"declaration": true,
"declarationDir": "./dist/types",
"outDir": "./dist",
"jsx": "react",
"strict": true,
"esModuleInterop": true,
"skipLibCheck": true
},
"include": ["src"]
}

Step 2: Create Your Components

1. Create the folder structure:

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Github to Azure

Deploying an Angular app to Microsoft Azure when merging to the master branch on GitHub involves different Azure services and GitHub Actions. Here's a general overview of the process:

Set Up Azure Services:

a. Azure Storage Account: Create an Azure Storage Account to host your Angular app's static files (HTML, CSS, JS). You can also use Azure Blob Storage within the Storage Account.

b. Azure CDN (Optional): Set up an Azure Content Delivery Network (CDN) profile and endpoint to serve your app's content globally for better performance.

Configure Azure Credentials:

a. Set up an Azure Service Principal with appropriate permissions to access the Azure Storage Account and CDN (if used).

b. Generate the Azure Service Principal's Application ID, Authentication Key, and Tenant ID.

c. Configure these credentials on your local machine or your CI/CD environment where the deployment will take place. This can be done using environment variables or Azure CLI configuration.

Set Up GitHub Actions:

a. In your Angular project repository on GitHub, create a .github/workflows directory.

b. Create a YAML file (e.g., deploy.yml) in this directory to define the GitHub Actions workflow.

c. Configure the workflow to trigger on merges to the master branch.

Define Deployment Steps:

a. Within the workflow file, define steps to build and deploy the Angular app:

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React Hook Form

React Hook Form is a library for managing form state and validation in React applications using hooks. It is designed to make form handling in React applications more efficient and straightforward. React Hook Form is a popular alternative to other form management libraries like Formik.

Some of the key features and benefits of React Hook Form include:

1. **Hooks-based:** React Hook Form leverages React's hooks API, making it a natural fit for modern React applications. You can manage form state and validation rules using simple and familiar hooks.

2. **Minimal Re-renders:** The library is designed to minimize unnecessary re-renders, which can improve performance. It does so by only re-rendering form components when needed.

3. **Validation:** React Hook Form provides a flexible and extensible way to define and perform form validation. You can define validation rules for each input field and trigger validation at various points in the form submission process.

4. **Custom Inputs:** You can easily create and use custom form input components with React Hook Form, allowing you to encapsulate form logic and reusability.

5. **Error Handling:** The library provides mechanisms to handle and display validation errors, making it easier to provide feedback to users.

6. **Optimized for Controlled Inputs:** It primarily focuses on controlled input components, which helps you maintain full control over your form state and avoid common issues with uncontrolled components.

7. **Built-in Support for Uncontrolled Components:** While primarily designed for controlled inputs, React Hook Form also offers support for uncontrolled inputs when necessary.

8. **Form Submission:** React Hook Form provides methods for handling form submissions and managing form data, making it easier to integrate with your backend services.

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A-Form built with Angular Reactive Forms

I built a reusable component module to streamline the creation of Angular Reactive Forms

Angular Reactive Forms are a way to manage and validate form inputs in Angular applications. They provide a more programmatic and flexible approach to handling forms compared to Template-Driven Forms, which rely on two-way data binding. Reactive Forms are a powerful and versatile way to work with forms in Angular applications.

Reactive Forms offer a more structured and maintainable way to work with forms in Angular applications, particularly in complex scenarios with complex validation requirements or dynamic form elements.

To use Reactive Forms in an Angular application, you need to import the necessary modules, create a form model using the FormBuilder, define your form controls and validation rules, and then bind the form controls to HTML elements in your template using directives like formControlName.

My AForm Module allows you to skip the process of importing the dependencies and writing a Reactive form by providing a data object to the AForm component.

For Example:

Template:

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From Github to AWS

Deploying an Angular app to AWS when merging to the master branch on GitHub involves several steps, including setting up AWS services, configuring GitHub Actions, and creating deployment scripts. Here's a general overview of the process:

  1. Set Up AWS Services:

    a. S3 Bucket: Create an Amazon S3 bucket to store your Angular app's static files (HTML, CSS, JS).

    b. CloudFront Distribution (Optional): Set up an Amazon CloudFront distribution to serve your app's content globally for better performance.

  2. Configure AWS Credentials:

    a. Create an IAM user with appropriate permissions (S3, CloudFront if used).

    b. Generate AWS Access Key and Secret Access Key for the IAM user.

    c. Configure these credentials on your local machine or your CI/CD environment where the deployment will take place. This can be done using environment variables or AWS CLI configuration.

  3. Set Up GitHub Actions:

    a. In your Angular project repository on GitHub, create a .github/workflows directory.

    b. Create a YAML file (e.g., deploy.yml) in this directory to define the GitHub Actions workflow.

    c. Configure the workflow to trigger on merges to the master branch.

  4. Define Deployment Steps:

    a. Within the workflow file, define steps to build and deploy the Angular app:

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script