CHANGELOG.md

3.6.0 (Oct 12th 2025)

• Add isAnsiEscapeCode() functions to check if a value is a valid ANSI escape code
• Add isLocale() functions to check if a value is a valid locale format
• Add isTimeZone() functions to check if a value is a valid IANA time zone format
• isValidPassword() function is deprecated and will be removed in v4.0.0. Use @dwtechs/passken validation function instead.

3.5.1 (Sep 05th 2025)

• Update error messages

3.5.0 (Aug 31st 2025)

• All validation functions now accept unknown type and perform internal type checking
• All validation functions now return a type predicate (e.g., v is string) instead of a boolean. Except for isFalsy() and isTruthy() still returning boolean values.
• All contain functions remain unchanged and continue to return boolean values.
• All normalize functions remain unchanged and continue to return string | false
• For both isValidDate() and isValidTimestamp(), min and max parameters can be of type date or timestamp.
• Improved isDate() function to return false when date = date.setDate(NaN)
• Improved isEmail() function to return false when Top-Level Domain starts with a number
• Improved isValidTimestamp() function to have better min and max conversions
• Improved test suite to more than 3200 tests with more edge case coverage

3.4.1 (Aug 23th 2025)

• compare() function now throws an error when a comparison fails and throwError is true, for both unary and binary comparators

3.4.0 (Aug 22th 2025)

• Functions have a throwErr property to throw specific error instead of false
• isBase64 regex now rejects empty strings

3.3.0 (Aug 18th 2025)

• Delete b64Encode() and b64Decode() functions. See @dwtechs/Hashitaka for these functionalities

3.2.4 (Mar 23th 2025)

• Fix circular dependency issue
• Add performance tests
• Functions b64Encode() and b64Decode() are deprecated and will be removed in v3.3.0. Use @dwtechs/Hashitaka for these functionalities

3.2.3 (Mar 04th 2025)

• String, number and validNumber functions support undefined and null values in Typescript

3.2.2 (Feb 25th 2025)

• Update isProperty() function inputs typings

3.2.1 (Feb 24th 2025)

• Update number validation functions type for string as input

3.2.0 (Feb 23th 2025)

• Update string validation functions for empty string cases

3.1.0 (Feb 22th 2025)

• Add b64Encode() and b64Decode() functions to transform strings accordingly

3.0.0 (Feb 14th 2025)

• isString() function now also checks if value is of length =, <, >, <=, >=, !=, !0, 0 than limit
• isNumber() function now also checks if value is of length =, <, >, <=, >=, !=, !0, 0 than limit
• Add isNull() and isUndefined() function
• Add isTruthy() and isFalsy() functions
• Add "from" parameter to function isIn() to start from index other then zero
• Add "!=" to comparisons to check if a is different than b
• Add "!0" to comparisons to check if a is not empty
• Add "0" to comparisons to check if a empty
• Update typings of most functions for easier use with Typescript
• Typings are more strict. Resulting in possible breaking changes from Checkard version 2.x.x
• Other functions than primitives and non-primitives functions may not check for input type anymore. Resulting in possible breaking changes from Checkard version 2.x.x
• Improve Documentation

2.30.0 (Jan 29th 2025)

• Add isBase64() function to check if a value is a valid base64 string
• Add "own" property to isProperty() function to check inherited properties only
• Add "enumerable" property to isProperty() function to check enumerable properties only
• Improve the return type of isProperty() function
• Change "any" types to "unknown" for every functions

2.29.2 (Dec 21th 2024)

• Improve declaration file for isArrayOfLength() function

2.29.1 (Dec 20th 2024)

• Improve isArrayOfLength() function and add more tests

2.29.0 (Dec 19th 2024)

• Add isArrayOfLength() function to check array length with min and max

2.28.0 (Nov 30th 2024)

• Add isIn() function to check if a value is included in an array
• Add isProperty() function to check if a value is included in an object properties

2.27.0 (Nov 13th 2024)

• Add isValidPassword function
• Update normalizeNickname function to exclude special characters

2.26.0 (Oct 26th 2024)

• Add normalization functionalities
• Add ucfirst function
• Add normalizeNickname function
• Add normalizeName function
• Add normalizeEmail function

2.25.0 (Oct 22th 2024)

• CheckHard.js becomes Checkard.js
• Add isValidInteger() function
• Add isValidFloat() function
• Fix isArray() function when len param is equal to zero
• Add more unit tests for isArray() function
• Improve isInteger() function

2.24.0 (Feb 18th 2024)

• Add emptyCheck parameter to isObject() function. Which default to false

2.23.0 (Jan 14th 2024)

• Add isStringOfLength() function to check min and max length

2.22.0 (Dec 29th 2023)

• Add emptyCheck parameter to isString() function. Which default to false

2.21.0 (Oct 18th 2023)

• Add isJWT() function
• Improve isArray() function
• Update build tools
• Code cleanup for lighter library
• Add more unit tests

2.20.0 (Oct 11th 2023)

• Add typeCheck parameter to isTimestamp() and isValidTimestamp() functions
• Improve types using "type predicates" for ease of use with Typescript

2.19.2 (May 8th 2023)

• Fix isNumber() & isTimestamp() issue with array of length one
• Add more unit tests with arrays

2.19.1 (Oct 23th 2022)

• Fix isTimestamp() issue with string values

2.19.0 (Aug 16th 2022)

• isArray() function now checks if value is an array and optionally if it is of length =, <, >, <= or >= than limit

2.18.0 (May 9th 2022)

• ContainsNumber() function now can take min and max parameters

2.17.2 (Jan 16th 2022)

• Fix isValidTimestamp() function
• Fix containsUpperCase() function
• Fix containsLowerCase() function

2.17.1 (Nov 21th 2021)

• Fix isValidDate() function
• Fix declaration file for Typescript

2.17.0 (Nov 20th 2021)

• Add isDate() function
• Add isValidDate() function
• Add isSlug() function
• Add isHexadecimal() function
• Add isTimestamp() function
• Add isValidTimestamp() function
• Add isValidNumber() function
• Add containsUpperCase() function
• Add containsLowerCase() function
• Add containsSpecialCharacter() function
• Add containsNumber() function

2.16.0 (Mar 28th 2021)

• Add 'length' parameter to isArray() function to check the length of the array

2.15.0 (Jan 11th 2021)

• Add isNil() function to test null and undefined values
• Add isSymbol() to primitive checkers

2.14.0 (Jan 10th 2021)

• Ch.js becomes CheckHard.js
• Project transfered from LCluber to DWTechs

2.13.0 (Dec 6th 2020)

• Add typeCheck parameter to isNumber(), isOdd(), isOrigin(), isPositive(), isNegative(), isPowerOfTwo() functions
• Improved isNumber() performance

2.12.0 (Sep 13th 2020)

• Add IsPowerOfTwo() function

2.11.0 (Sep 11th 2020)

• IE9 compatibility for iife version
• Update Typescript to version 4

2.10.1 (2020-04-05)

• Add polyfill for typeof

2.10.0 (2019-12-25)

• Add isemail and isipaddress functions

2.9.0 (2019-10-16)

• Add typecheck to isregex function

2.8.0 (2019-10-15)

• Add isregex function

2.7.1 (2019-10-06)

• Update readme.md documentation

2.7.0 (2019-09-19)

• Add commonjs version of Ch.js into dist folder

2.6.2 (2019-08-16)

• ch.js is now in ES6 format

2.6.1 (2019-08-10)

• Update description of the library

2.6.0 (2019-08-09)

• isascii() function now accepts integers with string type

2.5.0 (2019-08-09)

• isfloat() function now with type checking parameter

2.4.0 (2019-08-08)

• isinteger() now with type checking parameter

2.3.1 (2019-07-31)

• Update documentation api reference

2.3.0 (2019-07-31)

• Add isHTMLEventAttribute() function

2.2.0 (2019-07-21)

• Add isEven(), isOdd(), isOrigin(), isPositive(), isNegative() functions

2.1.1 (2019-07-16)

• isfunction() function returns false if parameter is null or 0

2.1.0 (2019-07-16)

• Adde isnumber() function

2.0.1 (2019-07-15)

• isHtmlElement() & isNode() functions return false with null parameter
• Fix isAscii() function
• isObject() function now returns false with array as input

2.0.0 (2019-07-14)

• Fix husky pre-push command
• Library exports functions instead of a static class
• Is.string function replaced by isString function, Is.array function replaced by isArray... please see README.md for exhaustive documentation

1.2.0 (2019-07-08)

• Add Is.boolean() function

1.1.0 (Jun 19th 2019)

• Added Is.htmlElement() function
• Added Is.node() function

1.0.2 (Jun 03rd 2019)

• Improved Is.json() function

1.0.1 (Jun 02nd 2019)

• Updated README.md

1.0.0 (Jun 01st 2019)

• Deleted Mouette.js dependency
• Is.json() function now returns a boolean

0.1.2 (Apr 07th 2019)

• Updated README.md with documentation and Yarn install command

0.1.1 (Feb 17th 2019)

• Added Is.array() function
• Added Is.float() function

0.1.0 (Dec 23th 2018)

• Initial version from Wee.js library