Check-if NPM | npm.io

check-if

Client input validation library.

npm install --save check-if

yarn add check-if

const checkIf = require('check-if')

// [your code here...]

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

Function	Description
`areInSyncFirestoreTimestamps(timeA, timeB)`	Returns false if:- any of the inputs is not a valid `firebase.Firestore.Timestamp`- the times don't match
`containsExactProperties(object, properties)`	Returns false if the properties listed in `properties` do not match the properties contained in `object`.
`containsUpdatedProperties(objectUpdates, originalObject)`	Returns false if any of the properties in the `objectUpdates` has the same value in `originalObject`. Only does a shallow comparison (does not works for objects that does not contain nested objects/properties).
`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 `firebase.firestore.Timestamp` (contains `toDate` and `toMillis` functions)
`isNonDeletedObject(object)`	Returns false if:- `object` is not of type `object`- `object.deleted` or `object.del` is defined and set to `true`
`isNonEmptyFirestoreDocumentSnapshot(documentSnapshot)`	Returns false if:- `documentSnapshot` is not of type `object`- `documentSnapshot.exists` is `undefined` or `false`
`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