A function that converts a golang 2d slice into a js 2d array

Convert2dArrayToJsArray.go

//go:build js && wasm

package main

import (
	"iter"
)

// func js.ValueOf(x any) js.Value
// ValueOf returns x as a JavaScript value:

// | Go                     | JavaScript             |
// | ---------------------- | ---------------------- |
// | js.Value               | [its value]            |
// | js.Func                | function               |
// | nil                    | null                   |
// | bool                   | boolean                |
// | integers and floats    | number                 |
// | string                 | string                 |
// | []interface{}          | new array              |
// | map[string]interface{} | new object             |

func Convert2dArrayToJsArray[T any](goArr [][]T) iter.Seq2[int, []interface{}] {
	return func(yeild func(index int, items []interface{}) bool) {
		for i := range goArr {
			r := make([]interface{}, len(goArr[i]))
			for j := range goArr[i] {
				r[j] = goArr[i][j]
			}

			if !yeild(i, r) {
				return
			}

		}
	}
}