[Not really a bug] change in es5 output from string interpolation #48776

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Closed

bigopon opened this issue Apr 20, 2022 · 2 comments

bigopon commented Apr 20, 2022 •

edited

Loading

Bug Report

🔎 Search Terms

string concat

🕗 Version & Regression Information

4.5.x

This is not a crash
This changed between versions 4.4.x and 4.5.x

⏯ Playground Link

https://www.typescriptlang.org/play?target=1&ts=4.5.5#code/G4QwTgBCELwQBgEgN4CMC+AHAHvIA

💻 Code

var a = `${b}px`

🙁 Actual behavior

output:

"use strict";
var a = "".concat(b, "px");

🙂 Expected behavior

"use strict";
var a = b + "px";

Contributor

Josh-Cena commented Apr 20, 2022

This is expected. See #45304

Author

bigopon commented Apr 20, 2022

@Josh-Cena I see. thanks for the pointer. I guess if anyone is concerned by .concat(), they can use + instead of template literal.

bigopon closed this as completed

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment