SubmitJS: Is react + redux + typescript a good combination? Dmytro Beseda

Jun 20, 2017Download as pptx, pdf

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The document discusses the combination of React, Redux, and TypeScript, focusing on the importance of good code attributes such as readability, scalability, and error prevention. It highlights the benefits and drawbacks of TypeScript, including improved stability and the need for more knowledge. Additionally, it covers various code paradigms, advanced types, and the significance of using TypeScript in modern web development.

Is
+ react
+ redux
+ typescript
a good combination?

Full stack
web
developer
dmitriy.beseda@binary-studio.com
BesedaDG@gmail.com
https://www.facebook.com/d
mitriy.beseda

“It's not at all hard to
understand a person;
it's only hard to listen
without bias”

SubmitJS: Is react + redux + typescript a good combination? Dmytro Beseda

Code requirements
• It should work
• It should be readable
• It should be scalable

Martin Goldin
“Always code as if the guy
who ends up maintaining
your code will be a violent
psychopath who knows
where you live.”

Let’s talk about this stuff in
frontend and especially
react

• Lightweight
• VanillaJS
• Component Model
• Quickly
• Simple structure
(quick enter)
• Empty from the box
• JSX is a nightmare

• Advanced debugging
• Immutability
• Overhead

Sometime it happens,
that bugs appear in
your code

• It is not a bug, it is feature
Types of Bugs:
• Logical errors
• Syntax errors (linting rules)
• Semantic errors

“It is impossible to
implement ideal
security system. You
should discourage a
majority from
attempting to hack it.”

• boolean
• number
• object
• string
• array
• tuples
• enums
• void

As a result:
• Lots of bugs are found
before app goes to
production

Code paradigms• Object-oriented
• Scripting
• Functional
• Imperative

• Interfaces
• Generics
• Union types
• Nullable
Advanced types:

You can run compiler from:
• Command line
• Options inside an IDE
• Build tasks
• tsconfig.json

There is only one rule:
yarn tsc
or
npm run tsc
before making a
commit

Advantages
• Better stability
• Better readability
• You can use ANY amount of typescript
• Typing for libraries
• IntelliSense

Disadvantages
• More knowledge required
• Additional time for compilation
• Editors can behave themselves crazy
• Overhead
• More typed-in letters
• Typing for libraries

Concerns
• I don’t want to write strong
typed code
• Support

What about an idea of
strong types in JS in
general?

Typescript is open
source and developed
by Microsoft

Typescript is a
superset, not a new
language

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