Native Assertions

Sebastian Zartner sebastianzartner at gmail.com
Sun Jan 27 12:50:57 UTC 2019


console.assert is standardized by the WHATWG at
https://console.spec.whatwg.org/#assert.

Sebastian

On Mon, 14 Jan 2019 at 12:39, Michael Haufe <tno at thenewobjective.com> wrote:

> console.assert is not standardized at this point, nor is it part of the
> language. Additionally, the semantics are inappropriate for the required
> use cases.
>
> To requote the relevant part from the linked thread:
>
> 1. AssertionError <: Error
> 2. assert(x === 12); // throws an AssertionError with a default error
> message
> 3. assert(x === 12, "twelve, supposedly") // throws an AssertionError with
> the given error message
>
> console.assert does not throw and its intent is not the same. The assert
> I'm referring to is related to Code Contracts. Therefore your reference is
> seemingly orthogonal.
>
> /Michael
>
> On Sun, Jan 13, 2019, 12:49 Cyril Auburtin <cyril.auburtin at gmail.com
> wrote:
>
>> There's `console.assert`
>>
>> also check
>> https://github.com/michaelficarra/proposal-first-class-protocols/issues/27#issuecomment-386975099
>>
>>
>> On Sun, Dec 16, 2018 at 10:01 PM Michael Haufe <tno at thenewobjective.com>
>> wrote:
>>
>>> Seven years ago there was discussion around standardizing "assert". Has
>>> there been any movement on this since then?
>>>
>>> https://esdiscuss.org/topic/native-assertion-module
>>>
>>>
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