@solid-primitives/date


Collection of reactive primitives and utility functions, providing easier ways to deal with dates in SolidJS.

- createDate - Creates a reactive Date signal.
- createDateNow - Creates an autoupdating and reactive new Date().
- createTimeDifference - Provides a reactive time difference _(in ms)_ signal.
- createTimeDifferenceFromNow - Provides a autoupdating, reactive time difference _(in ms)_ from now as a signal.
- createTimeAgo - Provides a reactive, formatted, autoupdating date difference in relation to now.
- createCountdown - Provides a reactive broken down time remaining Store.
- createCountdownFromNow - Provides a reactive, autoupdating _(from now)_, broken down "time remaining" as a Store.
- \+ some non-reactive date-related utility functions.

Installation

``
npm install @solid-primitives/date


or


yarn add @solid-primitives/date
`

Reactive Primitives:

$3

Creates a reactive Date signal.

`ts
const [date, setDate] = createDate(1641408329089);

date(); // T: Date

setDate("2020 1 11");

// passed initial value can be reactive
const [timestamp, setTimestamp] = createSignal(1641408329089);
const [date, setDate] = createDate(timestamp);

setTimestamp(1341708325070); // will update the date
`

$3

Creates an autoupdating and reactive new Date().

`ts
import { createDateNow } from "@solid-primitives/date";

// updates every second:
const [now] = createDateNow(1000);

// reactive timeout value
const [timeout, setTimeout] = createSignal(500);
const [now] = createDateNow(timeout);

// won't autoupdate:
const [now, update] = createDateNow(() => false);

// update manually:
update();
`

$3

Provides a reactive time difference _(in ms)_ signal.

`ts
// the arguments can be reactive
const [target, setTarget] = createSignal(1641408329089);
const [diff, { from, to }] = createTimeDifference("2020 1 11", target);
diff(); // T: number
from(); // T: Date
to(); // T: Date
`

$3

Provides a autoupdating, reactive time difference _(in ms)_ from now as a signal.

`ts
const [target, setTarget] = createSignal(1641408329089);
const [diff, { target, now, update }] = createTimeDifferenceFromNow(target);
diff(); // T: number
target(); // T: Date
now(); // T: Date
// manual update (automatic one can be disabled by passing false)
update();

// you can pass a custom interval (number or function or false)
createTimeDifferenceFromNow(target, diff => (diff > 100000 ? 30000 : 1000));
`

$3

Provides a reactive, formatted date difference in relation to now.

`ts
import { createTimeAgo, createDate } from "@solid-primitives/date";

const [myDate, setMyDate] = createDate("Jun 28, 2021");
const [timeago, { target, now, update, difference }] = createTimeAgo(myDate);
// => 5 months ago

timeago(); // => 5 months ago
difference(); // T: number
target(); // T: Date
now(); // T: Date
// manual update (automatic one can be disabled by passing false)
update();

// use custom libraries to change formatting:
import { formatRelative } from "date-fns";
const [timeago] = createTimeAgo(1577836800000, {
min: 10000,
interval: 30000,
relativeFormatter: (target, now) => formatRelative(target, now),
});
// => last Monday at 9:25 AM
`

$3

Provides a reactive broken down time remaining Store.

`ts
const [to, setTo] = createSignal(1641408329089);
const countdown = createCountdown("2020 1 11", to);

countdown.minutes; // e.g. 5
countdown.hours; // e.g. 1
countdown.seconds; // e.g. 48
`

$3

Provides a reactive, autoupdating _(from now)_, broken down "time remaining" as a Store.

`ts
// target date may be reactive
const [to, setTo] = createSignal(1641408329089);
const [countdown, { now, target, update }] = createCountdownFromNow(to);

countdown.minutes; // e.g. 5
countdown.hours; // e.g. 1
countdown.seconds; // e.g. 48

target(); // T: Date
now(); // T: Date
// manual update (automatic one can be disabled by passing false)
update();

// you can pass a custom interval (number or function or false)
createCountdownFromNow(to, diff => (diff > 100000 ? 30000 : 1000));
`

Utility Functions

$3

`ts
/**
* @param init timestamp number | date string | Date instance
* @returns Date instance
*/
const getDate = (init: DateInit): Date
`

$3

`ts
/**
* @param init timestamp number | date string | Date instance
* @returns timestamp number
*/
const getTime = (init: DateInit): number
`

$3

Get the time difference between two dates _[ms]_

`ts
const getDateDifference = (from: Date, to: Date): number
`

$3

Provides broken down time remaining from a time difference.

`ts
/**
@param difference time difference between two dates [ms]*
* @returns countdown object with keys: days, hours, minutes, etc.
*/
const getCountdown = (difference: number): Countdown
`

$3

Apply basic formatting to a Date instance.

`ts
const formatDate = (date: Date): string

// example
const date = new Date("2020 1 11")
formatDate(date) // => '2020-01-10'
`

$3

Applies relative time formatting based on a time difference from now.

`ts
/**
@param difference time difference between a date and now [ms]*
* @param messages custom messages for changing formatting
@returns formatted string, e.g. "2 seconds ago", "in 3 weeks"*...
*/
function formatDateRelative(difference: number, messages?: Partial): string;
``

Demo

https://codesandbox.io/s/solid-date-hjxui?file=/index.tsx

Changelog

See CHANGELOG.md

Acknowledgement

- VueUse — useTimeAgo