example: add deno console

[ahaoboy]

This Pull Request implements the console.log function using Deno.

This is an incomplete implementation, but it covers most use cases. I don't know how to implement some complex functions like the getProxyDetails, getPromiseDetails in Boa, so the output of promises is always 'Promise.

boa_examples/scripts/deno/01_console.js copy from https://github.com/denoland/deno/blob/main/ext/console/01_console.js
boa_examples/scripts/deno/00_core.js is a polyfill for deno.primordials

console.log(1, 'a', false, true, Promise.resolve(1), Symbol(1))
console.log(new Set([1, 2, 3, 4]))
console.log(new Map([[1, 2], ['a', 'b'], [false, true]]))
let a = [1]
a[1] = a;
console.log(a)
let b = {a: [1,2,'a']}
b['b'] = b;
console.log(b)
console.log(new Error("console error"))

deno.console

boa_runtime::Console;

[codecov]

Codecov Report

Attention: 16 lines in your changes are missing coverage. Please review.

Comparison is base (fee4048) 45.40% compared to head (6b3ea3d) 45.39%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3428      +/-   ##
==========================================
- Coverage   45.40%   45.39%   -0.02%     
==========================================
  Files         483      484       +1     
  Lines       49790    49806      +16     
==========================================
  Hits        22609    22609              
- Misses      27181    27197      +16     

Files	Coverage Δ
boa_examples/src/bin/deno_console.rs	0.00% <0.00%> (ø)

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[jedel1043]

Uhhhh, I don't think this should be an example. This is a fully fledged implementation of console.log, and examples are supposed to explain how to use a certain API in a simple, well documented way.

That being said, maybe we could reuse this to prettify our console.log implementation?

[ahaoboy]

Uhhhh, I don't think this should be an example. This is a fully fledged implementation of console.log, and examples are supposed to explain how to use a certain API in a simple, well documented way.

That being said, maybe we could reuse this to prettify our console.log implementation?

As an example, it's indeed a bit too extensive 😂. Originally, I intended to implement the complete console.log function purely in rust, but it's too complex. If you think that boa can reuse this log function, then I'll open a new PR to replace boa_runtime\src\console.

[jedel1043]

If you think that boa can reuse this log function, then I'll open a new PR to replace boa_runtime\src\console.

That would be wonderful!

[jedel1043]

Closing in favour of #3468