#Typescript

TypeScript: forgot to compile

Published at February 28, 2019 ·  1 min read

I’m working too much time with script languages like Python, JavaScript, and even bash. I almost forgot that sometimes I need to compile my sources. A stupid mistake was made on TypeScript project I’m working on: I didn’t add a job on CI which will compile sources to JavaScript. Of course, I use npm run build build to make a production bundle. I see TypeScript compile errors in my console when I run the code....


Cast JavaScipt object to TypeScript classes

Published at February 26, 2019 ·  2 min read

TypeScript could give you a false hope that I’ve got a strong-typed code and everything will work as expected with JavaScript. In reality, TypeScript doesn’t do anything after sources are compiled to JavaScript. It means, in runtime, you’ll face good-known JavaScript with it dynamic typing. The lack of any runtime type checking is a big minus for TypeScript. You’ll lose all your type at the same moment when browser executes code....


TypeScript vs JavaScript

Published at February 12, 2019 ·  1 min read

TypeScript is a typed superset of JavaScript. I like this language for it type system over “standard” JavaScript. Since it’s just a extension to JavaScript it’s easy to start it. Other type checkers like Flow look less native for me. I prefer to use TypeScript instead of JavaScript because it’s simple to use and doesn’t require a lot of knowledge from the beginning. From the other side, I like JavaScript because it’s a dynamic typed language with allows you to do everything you need....


Vue.js, global variables and TypeScript

Published at January 15, 2019 ·  2 min read

It’s pretty easy to pass some environment variable to Vue.js application using webpack.DefinePlugin. You just need to have something like a sample below in your webpack.config.js: var webpack = require('webpack') module.exports = { // ... plugins: [ // ... new webpack.DefinePlugin({ 'BUILD': JSON.stringify(0.0.1') }) ] } It’s a common way to pass some environment variable into your JavaScript application. Technically, webpack.DefinePlugin injects a global variable into your JavaScript application. You may need it for some feature flags or some global configuration....


Pros and Cons of Vue.js

Published at January 2, 2019 ·  3 min read

Since I started to learn Vue.js a few months ago, I realized that it has some benefits I like and some things which I really hate. I’m not an expert in this framework, but I would like to share my thoughts about it. Pros: Simplicity It is really easy to integrate it into your existing web application by just adding one more ~20KB-size JavaScript library. It allows you to start using it with an old or legacy web site like you did with jQuery in the past!...


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