What is target in tsconfig.json for?
What does target
in tsconfig.json
signify?
{
"compilerOptions":
{
"sourceMap": true,
"target": "es5",
"module": "commonjs",
"jsx": "react",
"moduleResolution": "classic",
"lib": [ "es2015", "dom", "es2017" ]
}
}
Solution 1:
I am quite new to Typescript. What does Target in tsconfig.json signify?
target
signifies which target of JavaScript should be emitted from the given TypeScript. Examples:
target:es5
()=>null
will become function(){return null}
as ES5 doesn't have arrow functions.
target:es6
()=>null
will become ()=>null
as ES6 has arrow functions.
More
I also made a quick video on the subject 🌹.
Solution 2:
Target changes the JavaScript version you are compiling to.
The options are available at https://www.typescriptlang.org/docs/handbook/compiler-options.html
In the spirit of trying to better understand how the target flag changes my code I compiled some test code to each of the different versions to have a better understanding of the differences.
https://github.com/aizatto/typescript-playground/tree/master/dist/test-async-main
I'm also keeping notes of what I should be targeting depending on what environment I am looking at
https://www.aizatto.com/notes/typescript