check-if

check-if

Client input validation library.

Usage

Install module

npm install --save check-if

Sample

const checkIf = require('check-if')

// [your code here...]

if (!checkIf.isDateInMs('2043-01-01')) {
  // Logic to handle invalid input goes here
}

Functions

Functions	Description
areInSync(localLastUpdated, serverLastUpdated)	Returns false if: - any of the inputs is not a valid Date - The times don't match
containsProperties(object, properties)	Returns false if any of the property names listed in properties are not in object
containsUpdatedProperties(objectUpdates, originalObject)	Returns false if any of the properties in the objectUpdates has the same value in originalObject. Change validation uses == as opposed to === and only works for objects that does not contain nested objects.
isDateInMs(value)	Returns false if: - value is not a number - value can not be parsed by new Date(value)
isFirestoreId(id)	Returns false if: - not a valid Firestore id (20 characters a-z, A-Z, and 0-9)
isFirestoreTimestamp(timestamp)	Returns false if: - not a valid Firestore Timestamp (contains toDate and toMillis functions)
isNonDeletedObject(object)	Returns false if: - object is not of type object - object.deleted is defined and set to true
isNonEmptyObject(object)	Returns false if: - object is not of type object - object is empty
isShortDate(value)	Expects a date with the format (YYYY-MM-DD). Returns false if: - value is not a string with exactly 10 characters - value can not be parsed by new Date(value)
isTrimmedNonEmptyString(value)	Returns false if: - value is not a string - value is not trimmed - string is empty