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You probably forgot to install date-fns


or Code:
import DateFnsUtils from '@date-io/date-fns'; 

date fns Can't resolve 'date-fns/_lib/format/longFormatters'

Seems add esModuleInterop: true to tsconfig would solve this issue but should a better way. 

dayjs TypeError: dayjs_1.default is not a function

This worked fine for me in case anyone still needs it I'm using the relativeTime plugin in my .ts file
Importing is done in below manner : -
import * as dayjs from 'dayjs';
import relativeTime from 'dayjs/plugin/relativeTime';
dayjs.extend(relativeTime);
I've also tried to change the import statement as:
import dayjs from 'dayjs'; But started throwing new error as no exported member
Now when I'm using in the fromNow function as: -
dayjs(this.created_at).fromNow(); the compiler is throwing an error
 Property 'fromNow' does not exist on type 'Dayjs'
I'm using  dayjs: ^1.7.4

dayjs Property 'fromNow' does not exist on type 'Dayjs'

In version 2.1.0 I wanted to use Japanese language file and finally I could did it I found Flatpickr.localize() method in spec 

flatpickr Ho to change lang?

I got the following error:
`23:18 This expression is not callable Type 'typeof dayjs' has no call signatures 21 |   } 

dayjs Using DayJS with Typescript

Hadn't realized this might be such a big problem I want the month and year to be static values but month is a dropdown and year is an input 

flatpickr How can I disable the month dropdown?

Also since as of now I am working on date-fns alone I will update this comment with my progress so far 

date fns Finalize API for v2.0.0-beta.1

@mees-brenzie
v3.0.0 update is definitely a big one I will be writing a proper guide for it to explain some stuff 

table_calendar Multiple Initial Dates

Tried different options the only one that worked based on @temitope 's suggestion is: 

react native modal datetime picker DatePickerIOS minuteInterval prop doesn't work.

@SriZbi84 one quick way to solve is  use forced previous version which is not using PEP517 req 

pendulum ERROR: Failed building wheel for pendulum

You can override timezone using TZ environment variable i.e.: env TZ=utc npm test 