airbnb/javascript

JavaScript Style Guide

Mile Mijatović

@mijatovicmile

Mile Mijatović

@mijatovicmile

again very useful answer, thank you very much

this group is useless or what, noone wants to discuss

Jordan Harband

@ljharb

yes, that seems right

@mijatovicmile RELAX. chatting on the internet is async. you might not get a response for 24 hours, and that is ok

you're not paying anyone for their time, so you don't get to make demands on it. relax.

Mile Mijatović

@mijatovicmile

Jordan Harband

@ljharb

this isn't even a help channel, it's a channel for airbnb's javascript styleguide.

so you're not even asking in the right place

Mile Mijatović

@mijatovicmile

We don't have JavaScript channel then

this is the one and only

Jordan Harband

@ljharb

yes, gitter is primarily for repos, not topics.

there's a JS channel on freenode IRC tho.

Mile Mijatović

@mijatovicmile

What's that

Jordan Harband

@ljharb

what, irc?

it's the thing that predates slack/gitter/discord/etc by decades

Mile Mijatović

@mijatovicmile

freenode IRC

Jordan Harband

@ljharb

freenode is a specific IRC network

i'm sure you can google some tutorials

Jordan Harband

@ljharb

anyone who has eslint v7 questions, please see airbnb/javascript#2223

Scott Ball

@scotttball

@ljharb you should just have a bot post "This isn't a help channel, it's a channel for airbnb's javascript styleguide." lol

Jordan Harband

@ljharb

it's already the welcome message, people just don't read

Mayur K

@Tensai66

so i'm looking at the style guide, if i had like a ternary statement such as :
node !== undefined ? 0 : node.item
is this not good? because the reader of the code might not understand what the 0 stands for, should I be declaring this as a const variable somewhere, it just seems weird. i'm lookin at 13.4 where it says to assign variables where you need them. i don't exactly need it but i think it'd make it more readable right?

Jordan Harband

@ljharb

yes, that seems like 0 should be a constant

Mayur K

@Tensai66

ok sounds good thanks, do you think it's clearer to group all constants associated with something into an object that can be accessed instead? i couldn't find anything about that in style guide, but not sure if that's really a style guide question either

Jordan Harband

@ljharb

sure, that's fine

Mayur K

@Tensai66

awesome thanks, also i'm looking at the functions 7.1, but the examples throughout the doc use regular function declarations? i'm a little confused am i interpreting this incorrectly

vinayaktitti2015

@vinayaktitti2015

Hi all, how to check price2 > price1 using for loop? I have used array.push to store values but array values showing undefined.

expected
price 2 > price 1
price 3 > price 2
price 4 > price 3

 cy.get(orderCard).find('.kbbrUi').then(listing => {
            const listcount = Cypress.$(listing).length;
            console.log('count', listcount);
            var price_array = [];
            for (var i = 1; i < listcount; i++) {
                cy.get(orderValue).eq(i).invoke('text').then((label2) => {
                    const price = label2.replace(/[$]+/g, '');
                    //const price_2_int = parseInt(price_2);
                    console.log('price_2_int', price);
                    price_array.push(price);

                })
            }

          for (var j = 0; j <= price_array.length; j++) {
                        for (var k = 1; k < j; k++) {
                            expect(price_array[k]).to.be.greaterThan(price_array[j])
                        }
                    }
        })

Jordan Harband

@ljharb

don't use loops

in this case, you want to .map over the list, and get an array of promises, and Promise.all it

vinayaktitti2015

@vinayaktitti2015

can plz share sample snippet

Jordan Harband

@ljharb

so, somehow get Cypress.$(listing) into a real array, and then:

vinayaktitti2015

@vinayaktitti2015

ok will try that, thanks

Jordan Harband

@ljharb

const promises = arr.map(async (item) => { const label2 = await item.invoke('text'); const price = blah; return price; }); Promise.all(promises).then((prices) => { blah });

something like that

replace the "blah" with your own stuff

vinayaktitti2015

@vinayaktitti2015

got it now 👍

vinayaktitti2015

@vinayaktitti2015

Hi guys, how to check Date.parse(d2) > Date.parse(d1)? I am getting data as below, could anyone plz help

data input:
Mon Jun 01 10:00 AM
Tue Jun 01 10:00 PM
Thr Jun 03 9:00 AM
Sat Jun 05 11:00 AM

expected:

Tue Jun 01 10:00 PM > Mon Jun 01 10:00 AM

Thr Jun 03 9:00 AM > Tue Jun 01 10:00 PM

rio5404

@rio5404

hi guys, can someone show me how to clone other developers repository to my local computer?

Philihp Busby

@philihp

@rio5404 have you tried using this? https://tinyurl.com/git-tutorial

davidmungai

@davidmungai

@all So I am using typescript and want to map the raw pg result to interfaces I have .. how do I go about it

Jordan Harband

@ljharb

@davidmungai this isn't a general help channel, it's for airbnb's javascript styleguide.

ajay yadav

@ajay7868

let obj =[ {
"ACC_Kategorie": "Not LTE"
"Dim_Beauftragungsform": "missing"
"GU7/GU8": "GU7"
"GU_Projekt": "ZTE"
"Gebäudeart": "Bürohaus"
"Ist_month": 1
}]
any one help
now i want to update value of ACC_Kategorie key hw to do ,all key are dynamic

sgda021992

@sgda021992

Hi all

can anyone know regex to check number is greater than 6

Jordan Harband

@ljharb

hi, please don’t cross-post. and this isn’t a place for general JS help, it’s for airbnb’s JS styleguide

cddsgtc

@cddsgtc

anyone?

hello

Jordan Harband

@ljharb

yes?

Klaus Bayrhammer

@klausbayrhammer

Good Morning everybody. I have a question around the adoption of new rules. How do you evaluate whether or not to add a specific rule to the JS-styleguide? How do you know whether a rule is a good fit for the guide? I tried to find it in the docs, but I couldn't find anything about it. Thanks a lot!

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