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TypeScript
typescriptlang.org › docs › handbook › typescript-in-5-minutes.html
TypeScript: Documentation - TypeScript for JavaScript Programmers
To cover these cases, TypeScript supports an extension of the JavaScript language, which offers places for you to tell TypeScript what the types should be. For example, to create an object with an inferred type which includes name: string and id: number, you can write:
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Node.js
nodejs.org › en › learn › typescript › introduction
Node.js — Introduction to TypeScript
For example, the variable isJustineAnAdult is of type boolean even if we didn't type it explicitly, and justine would be a valid argument for our function even though we didn't declare this variable as of User type.
Discussions

Best example projects with Typescript and Node.js
Dunno, there’s a lot. Personally I have done a lot of work on th https://github.com/UKDanceBlue/monorepo codebase More on reddit.com
🌐 r/typescript
13
18
October 4, 2024
Example of a TS fetch() POST call?
Doing a fetch() POST request in response to a form submission is better done with fetch() and not a hook. More on reddit.com
🌐 r/typescript
17
14
March 2, 2022
CSV File to Notion Database Example (Typescript + @notionhq/client)
Thanks for sharing your open source project, but it looks like you haven't specified a license. When you make a creative work (which includes code), the work is under exclusive copyright by default. Unless you include a license that specifies otherwise, nobody else can use, copy, distribute, or modify your work without being at risk of take-downs, shake-downs, or litigation. Once the work has other contributors (each a copyright holder), “nobody” starts including you. choosealicense.com is a great resource to learn about open source software licensing. More on reddit.com
🌐 r/javascript
2
0
December 25, 2021
React component library example with TypeScript and CSS Modules, exported as ESM and fully tree-shakable
Efficiency is important to me, and building an efficient react component library is difficult, especially with CSS. I did some research and this is the best way I know how to do this at the moment. Hopefully it'll be useful to people wanting to do the same. More on reddit.com
🌐 r/reactjs
3
15
January 26, 2020
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GitHub
github.com › CodelyTV › awesome-typescript-examples
GitHub - CodelyTV/awesome-typescript-examples: ✨ Awesome TypeScript Examples with complete show cases of how to take advantage of the language potential.
🎯 TypeScript DDD Example: Complete project applying Hexagonal Architecture and Domain-Driven Design patterns
Starred by 191 users
Forked by 35 users
Languages   TypeScript
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DEV Community
dev.to › riyadhossain › typescirpt-2g3
Practical Examples of TypeScript - DEV Community
March 3, 2023 - TypeScript is a popular superset of JavaScript that adds static typing and other features to improve the development experience. In this blog post, we’ll explore practical examples of TypeScript that demonstrate how it can be used to solve common development challenges.
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Medium
medium.com › @semuserable › simplest-typescript-with-visual-studio-code-e42843fe437
Simplest TypeScript project using Visual Studio Code | by equisept | Medium
January 20, 2019 - Let’s change main.ts file and modify <p>element inner text using TypeScript. The main part here is <script src=”main.js”> element. main.js is a transplied code from TypeScript and will run naturally. WARNING!!! Another minimalist example!
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GitHub
github.com › modelcontextprotocol › typescript-sdk
GitHub - modelcontextprotocol/typescript-sdk: The official TypeScript SDK for Model Context Protocol servers and clients
4 days ago - This pair of examples demonstrates tools, resources, prompts, sampling, elicitation, tasks and logging.
Starred by 10.9K users
Forked by 1.5K users
Languages   TypeScript 99.1% | JavaScript 0.9%
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W3Schools
w3schools.com › typescript
TypeScript Tutorial
Our "Try it Yourself" editor makes it easy to learn TypeScript.
Find elsewhere
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TypeScript
typescriptlang.org › docs › handbook › basic-types.html
TypeScript: Handbook - Basic Types
TypeScript, like JavaScript, allows you to work with arrays of values. Array types can be written in one of two ways. In the first, you use the type of the elements followed by [] to denote an array of that element type: ... Tuple types allow you to express an array with a fixed number of elements whose types are known, but need not be the same. For example, you may want to represent a value as a pair of a string and a number:
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Reddit
reddit.com › r/typescript › best example projects with typescript and node.js
r/typescript on Reddit: Best example projects with Typescript and Node.js
October 4, 2024 -

I am trying to learn myself Node.js and Typescript and now that I have learned some of the basics I would like to create one backend project for myself but would like use some of the good open code projects as example for me. Can you propose some?

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Jokecamp
jokecamp.com › blog › typescript-real-world-examples
Typescript in the Wild - Real World Examples Part 1 - Joe Kampschmidt's Code
September 22, 2018 - Why the first line of use strict in typescript? It seems redundant. It is likely included due to being developed against older tsc versions. Now it can be easily added via compile options.
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TypeScript
typescriptlang.org › docs › handbook › 2 › objects.html
TypeScript: Documentation - Object Types
In this example, both xPos and yPos are considered optional. We can choose to provide either of them, so every call above to paintShape is valid. All optionality really says is that if the property is set, it better have a specific type. We can also read from those properties - but when we do under strictNullChecks, TypeScript will tell us they’re potentially undefined.
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Supabase
supabase.com › docs › reference › javascript › typescript-support
JavaScript: TypeScript support | Supabase Docs
8 hours ago - With TypeScript, supabase-js detects things like not null constraints and generated columns. Nullable columns are typed as T | null when you select the column.
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React
react.dev › learn › typescript
Using TypeScript – React
Note, that you cannot use TypeScript to describe that the children are a certain type of JSX elements, so you cannot use the type-system to describe a component which only accepts <li> children. You can see an example of both React.ReactNode and React.ReactElement with the type-checker in this TypeScript playground.
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GeeksforGeeks
geeksforgeeks.org › javascript › typescript-programming-example
TypeScript Programming Example - GeeksforGeeks
July 23, 2025 - TypeScript is a popular superset of JavaScript that adds static typing and other features to improve the development experience. In this blog post, we’ll explore practical examples of TypeScript that demonstrate how it can be used to solve common development challenges.
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W3Schools
w3schools.com › typescript › typescript_intro.php
TypeScript Introduction
TypeScript allows specifying the ... errors when the types don't match. For example, TypeScript will report an error when passing a string into a function that expects a number....
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Visual Studio Code
code.visualstudio.com › docs › typescript › typescript-tutorial
TypeScript tutorial in Visual Studio Code
November 3, 2021 - TypeScript helps you avoid common programming mistakes through strong type checking. For example, if you assign a number to message, the TypeScript compiler will complain with 'error TS2322: Type '2' is not assignable to type 'string'.
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GitHub
github.com › temporalio › samples-typescript
GitHub - temporalio/samples-typescript
git clone https://github.com/temporalio/samples-typescript.git cd samples-typescript/hello-world npm install # or `pnpm` or `yarn` npm run start
Starred by 416 users
Forked by 142 users
Languages   TypeScript 79.0% | JavaScript 20.3%
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TypeScript
typescriptlang.org › docs › handbook › typescript-tooling-in-5-minutes.html
TypeScript: Documentation - TypeScript Tooling in 5 minutes
Optional: Open greeter.ts in Visual Studio, or copy the code into the TypeScript playground. You can hover over identifiers to see their types. Notice that in some cases these types are inferred automatically for you. Re-type the last line, and see completion lists and parameter help based on the types of the DOM elements.
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TypeScript
typescriptlang.org
TypeScript: JavaScript With Syntax For Types.
TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.