36 lines
1.7 KiB
TypeScript
36 lines
1.7 KiB
TypeScript
/**
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* @name parseJSON
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* @category Common Helpers
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* @summary Parse a JSON date string
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*
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* @description
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* Converts a complete ISO date string in UTC time, the typical format for transmitting
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* a date in JSON, to a JavaScript `Date` instance.
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*
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* This is a minimal implementation for converting dates retrieved from a JSON API to
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* a `Date` instance which can be used with other functions in the `date-fns` library.
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* The following formats are supported:
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*
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* - `2000-03-15T05:20:10.123Z`: The output of `.toISOString()` and `JSON.stringify(new Date())`
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* - `2000-03-15T05:20:10Z`: Without milliseconds
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* - `2000-03-15T05:20:10+00:00`: With a zero offset, the default JSON encoded format in some other languages
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* - `2000-03-15T05:20:10+05:45`: With a positive or negative offset, the default JSON encoded format in some other languages
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* - `2000-03-15T05:20:10+0000`: With a zero offset without a colon
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* - `2000-03-15T05:20:10`: Without a trailing 'Z' symbol
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* - `2000-03-15T05:20:10.1234567`: Up to 7 digits in milliseconds field. Only first 3 are taken into account since JS does not allow fractional milliseconds
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* - `2000-03-15 05:20:10`: With a space instead of a 'T' separator for APIs returning a SQL date without reformatting
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*
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* For convenience and ease of use these other input types are also supported
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* via [toDate](https://date-fns.org/docs/toDate):
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*
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* - A `Date` instance will be cloned
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* - A `number` will be treated as a timestamp
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*
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* Any other input type or invalid date strings will return an `Invalid Date`.
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*
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* @param dateStr - A fully formed ISO8601 date string to convert
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*
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* @returns The parsed date in the local time zone
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*/
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export declare function parseJSON(dateStr: string): Date;
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