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javascriptmomentjsluxon

Parsing date from DD/MM/YYYY with Luxon javascript

I have a date in this format "DD/MM/YYYY" and I want to convert it to a DateTime object with Luxon library. How can I do it?

I know we can use methods like .fromISO(), .fromHTTP(), .fromSQL(), .fromJSDate(), and .fromFormat() and none of them accepts the format I have, for example: "31/12/2022"

I was trying with fromFormat( date, 'D' ) but it's invalid because "D" format is equal to "MM/DD/YYYY".

Solution

  • You can use fromFormat :

    Create a DateTime from an input string and format string. Defaults to en-US if no locale has been specified, regardless of the system's locale. For a table of tokens and their interpretations, see here.

    passing "d/M/yyyy" as second argument. Example:

    const DateTime = luxon.DateTime;
console.log(DateTime.fromFormat("31/12/2022", "d/M/yyyy").toISO());
    <script src="https://cdn.jsdelivr.net/npm/luxon@3.1.1/build/global/luxon.min.js"></script>

    Please have a look at Parsing section of the docs and Table of tokens to see the list of available tokens. As docs states:

    Note that many tokens supported by the formatter are not supported by the parser.

    in your case "D" is a format token you can use standalone tokens to parse your input string.