Nginx [nginx-announce] njs-0.6.0

Hello,

I'm glad to announce a new release of NGINX JavaScript module (njs).

This release proceeds to extend the coverage of ECMAScript
specifications.

Notable new features:
- let and const declarations support
: >> fuction test() { x = 1; let x; }
: undefined
: >> test()
: ReferenceError: cannot access variable before initialization
: >> function test2() {const x = 1; x = 2; }
: undefined
: >> test2()
: TypeError: assignment to constant variable

You can learn more about njs:

- Overview and introduction: http://nginx.org/en/docs/njs/
- NGINX JavaScript in Your Web Server Configuration:
https://youtu.be/Jc_L6UffFOs
- Extending NGINX with Custom Code: https://youtu.be/0CVhq4AUU7M
- Using node modules with njs:
http://nginx.org/en/docs/njs/node_modules.html
- Writing njs code using TypeScript definition files:
http://nginx.org/en/docs/njs/typescript.html

Feel free to try it and give us feedback on:

- Github: https://github.com/nginx/njs/issues
- Mailing list: http://mailman.nginx.org/mailman/listinfo/nginx-devel


Changes with njs 0.6.0 15 Jun 2021

Core:

*) Feature: added let and const declaration support.

*) Feature: added RegExp.prototype[Symbol.split].

*) Feature: added sticky flag support for RegExp.

---

*) Bugfix: fixed heap-buffer-overflow in
String.prototype.lastIndexOf().

*) Bugfix: fixed RegExp.prototype.test() according to the
specification.

*) Bugfix: fixed String.prototype.split() according to the
specification.

*) Bugfix: fixed use-of-uninitialized-value while tracking
rejected promises.

*) Bugfix: fixed njs.dump() for objects with circular
references.

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