misc-helpers
v1.3.13
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Several functions that are always needed in projects
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Miscellaneous Helpers
A collection of utility functions and validators for common tasks.
Table of Contents
- Miscellaneous Helpers
- Table of Contents
- Constants
- Auth
- Crypto
- Custom
- Helpers
- Utils
- assign
- base64From
- base64FromBase64URLSafe
- base64FromBuffer
- base64To
- base64ToBuffer
- bufferCompare
- bufferConcatenate
- bufferFromString
- bufferToString
- calculateSecondsInTime
- currencyBRToFloat
- dateFirstHourOfDay
- dateLastHourOfDay
- dateToFormat
- debouncer
- deleteKeys
- generateRandomString
- generateSimpleId
- getExecutionTime
- JSONFrom
- JSONTo
- messageDecryptFromChunks
- messageEncryptToChunks
- normalize
- pushLogMessage
- regexDigitsOnly
- regexLettersOnly
- regexReplaceTrim
- removeDuplicatedStrings
- sleep
- split
- stringCompress
- stringDecompress
- stringToDate
- stringToDateToFormat
- stringToFormat
- stringZLibCompress
- stringZLibDecompress
- toString
- uint8ArrayFromString
- uint8ArrayToString
- Validators
Constants
Date Formats
DATE_ISO_FORMAT_TZ:
yyyy-MM-dd'T'HH:mm:ss.SSS'Z'
- ISO date format with timezone.
DATE_ISO_FORMAT:
yyyy-MM-dd'T'HH:mm:ss.SSS
- ISO date format without timezone.
Brazilian Formats
DATE_BR_FORMAT_D:
dd-MM-yyyy
- Brazilian date format (day/month/year).
DATE_BR_FORMAT_FS:
dd/MM/yyyy
- Brazilian date format with slashes (day/month/year).
DATE_BR_HOUR_FORMAT_D:
dd-MM-yyyy HH:mm:ss
- Brazilian date and time format (day/month/year hour:minute:second).
DATE_BR_HOUR_FORMAT_FS:
dd/MM/yyyy HH:mm:ss
- Brazilian date and time format with slashes (day/month/year hour:minute:second).
DATE_BR_MONTH_FORMAT_D:
MM-yyyy
- Brazilian month and year format (month/year).
DATE_BR_MONTH_FORMAT_FS:
MM/yyyy
- Brazilian month and year format with slashes (month/year).
EUA Formats
DATE_EUA_FORMAT_D:
yyyy-MM-dd
- USA date format (year-month-day).
DATE_EUA_FORMAT_FS:
yyyy/MM/dd
- USA date format with slashes (year/month/day).
DATE_EUA_HOUR_FORMAT_D:
yyyy-MM-dd HH:mm:ss
- USA date and time format (year-month-day hour:minute:second).
DATE_EUA_HOUR_FORMAT_FS:
yyyy-MM-dd HH:mm:ss
- USA date and time format with slashes (year-month-day hour:minute:second).
CNPJ and CPF
STRING_FORMAT_CADICMSPR:
########-##
- Format for CADICMSPR string (8 digits, dash, 2 digits).
STRING_FORMAT_CNPJ:
##.###.###/####-##
- Format for CNPJ string (2 digits, dot, 3 digits, dot, 3 digits, slash, 4 digits, dash, 2 digits).
STRING_FORMAT_CPF:
###.###.###-##
- Format for CPF string (3 digits, dot, 3 digits, dot, 3 digits, dash, 2 digits).
STRING_FORMAT_PROTOCOLPR:
###.###.###.#
- Format for ProtocolPR string (9 digits, dot, 1 digit).
Auth
WebAuthn
convertECDSAASN1Signature
- Description: Converts an ECDSA signature in ASN.1/DER format to a concatenated r|s format.
- Returns: The signature in concatenated r|s format.
- Params:
asn1Signature
: ECDSA ASN.1 signature to be converted.
getAuthenticationAuthData
- Description: Extracts data from a WebAuthn authentication assertion object.
- Returns: An object containing extracted data from the authentication assertion.
id
: ID of the WebAuthn assertion.rawId
: Raw ID of the WebAuthn assertion.type
: Type of the WebAuthn assertion.authData
: Authenticator data included in the assertion.response
: Response object containing additional data related to the assertion.
- Params:
assertion
: The WebAuthn authentication assertion object.
getRegistrationAuthData
- Description: Retrieves registration authentication data from a WebAuthn credential.
- Params:
credential
{PublicKeyCredential} : The WebAuthn credential object.
- Returns: An object containing registration authentication data extracted from the credential.
rawId
: Raw ID of the credential.id
: ID of the credential.type
: Type of the credential.authenticatorAttachment
: Authenticator attachment information.clientExtensionResults
: Client extension results from the credential.authData
: Authenticator data from the credential.response
: Object containing various response data:attestationObject
: Attestation object from the credential response.authenticatorData
: Authenticator data from the credential response.clientDataJSONDecoded
: Decoded client data JSON from the credential response.clientDataJSON
: Raw client data JSON from the credential response.transports
: Transports used by the credential (if available).publicKey
: Public key associated with the credential response.publicKeyAlgorithm
: Public key algorithm used in the response.
getWebAuthnAuthenticationAssertion
- Description: Initiates the WebAuthn authentication process and returns an assertion.
- Returns: A Promise that resolves to the obtained PublicKeyCredential or a message indicating that WebAuthn is not supported.
- Params:
props
{Object} : The PublicKeyCredentialRequestOptions object containing the options for requesting an authentication assertion.callback
{Function} (optional) : Optional callback function to be called with the obtained assertion.
getWebAuthnRegistrationCredential
- Description: Initiates the WebAuthn registration process and returns a credential.
- Returns: A Promise that resolves to the created PublicKeyCredential or a message indicating that WebAuthn is not supported.
- Params:
props
{Object} : The PublicKeyCredentialCreationOptions object containing the options for creating a new credential.callback
{Function} (optional) : Optional callback function to be called with the created credential.
validateAuthentication
- Description: Asynchronously validates a WebAuthn authentication assertion against the expected properties and the provided credential.
- Returns:
Promise<boolean>
: Returns true if the validation is successful. - Params:
credential
(Object):id
(string): The credential ID.rawId
(string): The raw credential ID.type
(string): The credential type, expected to be "public-key".publicKeyAlgorithm
(number): The algorithm used for the public key.publicKey
(string): The public key in base64 format.
assertion
(Object):id
(string): The assertion ID.rawId
(string): The raw assertion ID.type
(string): The assertion type, expected to be "public-key".response
(Object): The response from the authenticator.clientDataJSONDecoded
(string): The decoded client data JSON.authenticatorDataDecoded
(string): The decoded authenticator data.signature
(ArrayBuffer): The signature generated by the authenticator.
expectedProps
(Object, optional): The expected properties for validation.challenge
(string, optional): The expected challenge.origin
(string, optional): The expected origin.type
(string, optional): The expected type.rpID
(string, optional): The expected relying party ID.counterCredential
(number, optional): The expected credential counter.
incomingProps
(Object, optional): The incoming properties for validation.counterAssertion
(number, optional): The incoming assertion counter.
publicKeyProps
(Object, optional): The properties for importing the public key.importKey
(Object, optional): The import key properties.format
(string, optional): The format of the key, default is "spki".extractable
(boolean, optional): Whether the key is extractable, default is false.
getWebAuthnRegistrationCredential
- Description: Validates a WebAuthn registration credential. This function performs a series of validations on the given credential:
- Validates the basic properties of the credential.
- Validates the credential against expected request parameters.
- Extracts and validates the attestation object.
- Returns: A Boolean
true
if the credential is valid, otherwise throws an error. - Params:
credential
{Object} : The WebAuthn credential to validate.expectedProps
{Object} (optional) : An object containing expected properties for validation.challenge
{string} (optional) : The expected challenge.origin
{string} (optional) : The expected origin.type
{string} (optional) : The expected type.
validateRPID
- Description: Asynchronously validates relying party identifier (RPID) for WebAuthn.
- Returns:
Promise<boolean>
: Returns a promise that resolves to true if the RPID is valid. - Params:
rpID
: (string): Relying Party Identifier (RPID) to be validated.
Crypto
decrypt
- Description: Decrypts an encrypted message using RSA-OAEP decryption.
- Returns: A Promise that resolves to the decrypted message as a string.
- Params:
privateKey
(string): The RSA private key in PEM format.encryptedMessage
(string): The encrypted message to decrypt in Base64 encoding.props
(Object): Additional decryption properties.format
(string, optional): The format of the private key (default: "pkcs8").algorithm
(Object, optional): The algorithm to be used for decryption (default:{ name: "RSA-OAEP", hash: { name: "SHA-256" }}
).extractable
(boolean, optional): Indicates whether the key can be extracted from the CryptoKey object (default: true).keyUsages
(Array, optional): An array of key usages (default: ["decrypt"]).padding
(string, optional): The padding scheme to use for decryption (default: "RSA-OAEP").
Example Usage
const privateKey = `-----BEGIN PRIVATE KEY-----
MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQD...
-----END PRIVATE KEY-----`;
const encryptedMessage = 'ENCRYPTED_MESSAGE_BASE64';
decrypt(privateKey, encryptedMessage)
.then(decryptedMessage => {
console.log(decryptedMessage); // Decrypted message as a string
})
.catch(error => {
console.error('Error decrypting message:', error);
});
digest
- Description: Computes a cryptographic hash (digest) of the given data using the specified algorithm.
- Returns: A Promise that resolves to the computed hash as a Uint8Array.
- Params:
algorithm
(string): The hash algorithm to use (e.g., 'SHA-256', 'SHA-1').data
(string|Uint8Array): The data to hash, either as a string or a Uint8Array.
encrypt
- Description: Encrypts a message using RSA-OAEP encryption.
- Returns: A Promise that resolves to the encrypted message in Base64 encoding.
- Params:
publicKey
(string): The RSA public key in PEM format.message
(string): The message to encrypt.props
(Object, optional): Additional encryption properties.format
(string, optional): The format of the public key (default: "spki").algorithm
(Object, optional): The algorithm to be used for encryption (default:{ name: "RSA-OAEP", hash: { name: "SHA-256" }}
).extractable
(boolean, optional): Indicates whether the key can be extracted from the CryptoKey object (default: true).keyUsages
(Array, optional): An array of key usages (default: ["encrypt"]).padding
(string, optional): The padding scheme to use for encryption (default: "RSA-OAEP").
Example Usage
const publicKey = `-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn...
-----END PUBLIC KEY-----`;
const message = 'Hello, World!';
encrypt(publicKey, message)
.then(encryptedMessage => {
console.log(encryptedMessage); // Encrypted message as a base64 string
})
.catch(error => {
console.error('Error encrypting message:', error);
});
getCrypto
- Description: Retrieves the
crypto
object for cryptographic operations. - Returns: The
crypto
object for cryptographic operations, compatible with Web Crypto API.
importCryptoKey
- Description: Imports a public key asynchronously using Web Crypto API in browser environment or Node.js crypto module.
- Returns: A Promise that resolves with the imported CryptoKey object.
- Params:
format
(string): The format of the key data ('spki', 'pkcs8', etc.).keyData
(BufferSource | CryptoKey | ArrayBuffer): The key data to import.algorithm
(Object): The algorithm object specifying the algorithm used by the key.extractable
(boolean): Indicates if the key can be extracted from the CryptoKey object.keyUsages
(string[]): Array of key usage identifiers ('encrypt', 'decrypt', 'verify', etc.).
verifySignature
- Description: Verifies a digital signature asynchronously using Web Crypto API in browser environment or Node.js crypto module.
- Params:
algorithm
(Object): The algorithm object specifying the algorithm used for verification.key
(CryptoKey): The public key or key pair used to verify the signature.signature
(BufferSource): The digital signature to be verified.data
(BufferSource): The data that was signed and needs to be verified against the signature.
Custom
DB Sequelize
setConditionBetweenDates
- Description: Returns the between conditions in an object format based on the provided date parameters.
- Returns: The modified
object
with between conditions set in an object format. - Params:
object
(Object): The object containing the date values.fromFormat
(String): Optional. The string format expected for the date (default: "dd-MM-yyyy").key
(String): Optional. The key name in the object that holds the main date value (default: "created_at").beforeKey
(String): Optional. The key name in the object that holds the upper limit date value (default: "created_at_until").afterKey
(String): Optional. The key name in the object that holds the lower limit date value (default: "created_at_from").resetHMS
(Boolean): Optional. Whether to reset hours, minutes, and seconds to zero for the date comparison (default: true).
Example
/**
* Example usage:
* Assume 'data' is an object with properties:
* { created_at_from: '01-01-2023', created_at_until: '31-12-2023' }
*/
setConditionBetweenDates(data); // Modifies 'data' to { created_at: { $and: [ { $gte: Date('2023-01-01T00:00:00.000Z') }, { $lte: Date('2023-12-31T23:59:59.999Z') } ] } }
setConditionBetweenValues
- Description: Returns the between conditions in an object format based on the provided parameters.
- Params:
object
(Object): The object containing the values.key
(String): Optional. The key name in the object that holds the main value (default: "value").beforeKey
(String): Optional. The key name in the object that holds the upper limit value (default: "value_until").afterKey
(String): Optional. The key name in the object that holds the lower limit value (default: "value_from").
- Returns the modified
object
with between conditions set in an object format.
Example
/**
* Example usage:
* Assume 'data' is an object with properties:
* { value_from: 10, value_until: 20 }
*/
setConditionBetweenValues(data); // Modifies 'data' to { value: { $and: [ { $gte: 10 }, { $lte: 20 } ] } }
setConditionStringLike
- Description: Returns the string like condition format based on the provided parameters.
- Params:
object
(Object): The object containing the values.key
(String): The key name in the object that holds the value to format.insensitive
(Boolean): Optional. Indicates whether the condition should be case-insensitive (default: true).
- Returns nothing. Modifies the
object
parameter directly to set the string like condition.
Example
/**
* Example usage:
* Assume 'data' is an object with properties:
* { name: 'John', city: 'New York' }
*/
setConditionStringLike(data, 'name'); // Modifies 'data' to { name: { $iLike: '%John%' }, city: 'New York' }
setConditionStringLike(data, 'city', false); // Modifies 'data' to { name: { $iLike: '%John%' }, city: { $like: '%New York%' } }
WaitPlugin
A utility class for managing asynchronous waiting operations with promises.
Constructor
- WaitList: An object that stores promises for asynchronous operations.
Methods
finishWait(name, isSuccessful = true, returnParam)
- Description: Completes a waiting operation by resolving or rejecting a promise based on the success status.
- Params:
name
(string): The identifier for the waiting operation.isSuccessful
(boolean): Optional. Indicates whether the operation was successful (default: true).returnParam
(any): Optional. The parameter to be returned or rejected with the promise.
- Returns: Returns
true
if the operation completes successfully; otherwise, returnsfalse
or throws an error.
startWait(name)
- Description: Initiates a waiting operation by creating a new promise in the wait list.
- Params:
name
(string): The identifier for the waiting operation.
- Returns: Returns a promise associated with the waiting operation.
finishAll(isSuccessful, returnParam)
- Description: Completes all waiting operations in the wait list, resolving or rejecting promises based on the success status.
- Params:
isSuccessful
(boolean): Indicates whether the operations were successful.returnParam
(any): The parameter to be returned or rejected with each promise.
- Returns: undefined
Usage
const { waitPlugin } = require('misc-helpers');
// Example: Starting a wait operation
async function exampleWaitOperation() {
try {
await waitPlugin.startWait('operationName');
// Perform async operation
await waitPlugin.finishWait('operationName', true, 'Operation successful');
} catch (error) {
// Handle error
await waitPlugin.finishWait('operationName', false, 'Operation failed');
}
}
// Example: Finishing all wait operations
WP.finishAll(true, 'All operations finished successfully');
Helpers
dateCompareAsc
- Description: Returns whether a given dateA is earlier than dateB, considering optional customization options like ignoring errors, considering hours, minutes, and seconds, and whether to consider equality as earlier.
- Returns: true if dateA is earlier than dateB according to the specified options; otherwise, returns false.
- Params:
dateA
(Date): The earlier date to be checked.dateB
(Date): The later date to be checked.options
(Object): Optional. The options to customize behavior.options.ignoreErrors
(Boolean): Whether this function should throw or ignore errors (default: false).options.considerHMS
(Boolean): Whether to consider hours, minutes, and seconds in the comparison (default: false).options.considerEquals
(Boolean): If true, considers dateA to be earlier even if it equals dateB (default: false).
Example
/**
* Example usage:
*/
const earlierDate = new Date('2023-01-01T12:00:00Z');
const laterDate = new Date('2023-01-02T12:00:00Z');
const result = dateCompareAsc(earlierDate, laterDate);
console.log(result); // Output: true
dateCompareDesc
- Description: Returns whether a given dateA is in a later time than dateB, considering optional customization options like ignoring errors, considering hours, minutes, and seconds, and whether to consider equality as later.
- Returns: true if dateA is in a later time than dateB according to the specified options; otherwise, returns false.
- Params:
dateA
(Date): The later date to be checked.dateB
(Date): The earlier date to be checked.options
(Object): Optional. The options to customize behavior.options.ignoreErrors
(Boolean): Whether this function should throw or ignore errors (default: false).options.considerHMS
(Boolean): Whether to consider hours, minutes, and seconds in the comparison (default: false).options.considerEquals
(Boolean): If true, considers dateA to be later even if it equals dateB (default: false).
Example
/**
* Example usage:
*/
const laterDate = new Date('2023-01-02T12:00:00Z');
const earlierDate = new Date('2023-01-01T12:00:00Z');
const result = dateCompareDesc(laterDate, earlierDate);
console.log(result); // Output: true
defaultValue
- Description: Returns a default value instead of empty or null.
- Returns: The provided value (
checkValue
) if it is not null or undefined; otherwise, returns the specified default value. - Params:
checkValue
(Any): The value to be checked.defaultValue
(Any): The default value to be returned ifcheckValue
is empty or null.
Example
/**
* Example usage:
*/
const value = null;
const defaultVal = defaultValue(value, 'Default');
console.log(defaultVal); // Output: 'Default'
isInstanceOf
- Description: Checks if a given object is an instance of a specified type.
- Returns: true if the object provided is an instance of the specified instance type; otherwise, returns false.
- Params:
object
(Any): The object to be checked.instanceType
(Any): The type to check against.
Example
/**
* Example usage:
*/
class Person {
constructor(name) {
this.name = name;
}
}
const person = new Person('Alice');
const result = isInstanceOf(person, Person);
console.log(result); // Output: true
isNumber
- Description: Checks if a given value is a numeric value.
- Returns: true if the value provided is numeric; otherwise, returns false.
- Params:
value
(Any): The value to be checked.
Example
/**
* Example usage:
*/
const result1 = isNumber(42);
console.log(result1); // Output: true
const result2 = isNumber('42');
console.log(result2); // Output: false
isObject
- Description: Checks if a given object is an object.
- Returns: true if the object provided is an object; otherwise, returns false.
- Params:
object
(Any): The object to be checked.
Example
/**
* Example usage:
*/
const result1 = isObject({ name: 'John', age: 30 });
console.log(result1); // Output: true
const result2 = isObject('Hello');
console.log(result2); // Output: false
Utils
assign
- Description: Returns a new object with the merge of two objects,
target
andsource
. - Returns: A new object resulting from merging
target
andsource
. - Params:
target
(Object): The target object to merge into.source
(Object): The source object to merge from.throwsError
(Boolean): Optional. Whether this function should throw errors iftarget
orsource
is not an object (default: true).
Example
/**
* Example usage:
*/
const targetObject = { a: 1, b: 2 };
const sourceObject = { b: 3, c: 4 };
const mergedObject = assign(targetObject, sourceObject);
console.log(mergedObject); // Output: { a: 1, b: 3, c: 4 }
base64From
- Description: Converts a Base64 encoded string to plain text (UTF-8) or a Buffer, depending on the environment and options.
- Returns: Decoded plain text (UTF-8) string or Buffer.
- Params:
text
(string): The Base64 encoded string to decode (default: "").toString
(boolean): If true and in Node.js environment, decode to UTF-8 string. Default is true.
Example
/**
* Example usage:
*/
const base64String = "SGVsbG8gV29ybGQh"; // Example Base64 encoded string
const decodedText = base64From(base64String);
console.log(decodedText); // Output: "Hello World!"
base64FromBase64URLSafe
- Description: Converts a URL-safe base64 encoded string to a standard base64 encoded string. URL-safe base64 encoding replaces
+
with-
and/
with_
to make the string safe for use in URLs. This function converts these characters back to their standard base64 counterparts and adds padding characters (=
) if necessary to make the string length a multiple of 4. - Returns: String - The standard base64 encoded string.
- Params:
urlSafeBase64
(String): The URL-safe base64 encoded string to convert.
Example
const urlSafeBase64String = 'rqXRQrq_mSFhX4c2wSZJrA';
const base64String = base64FromBase64URLSafe(urlSafeBase64String);
console.log(base64String); // Output: 'rqXRQrq/mSFhX4c2wSZJrA=='
const anotherUrlSafeBase64String = 'U29tZS1kYXRh';
const anotherBase64String = base64FromBase64URLSafe(anotherUrlSafeBase64String);
console.log(anotherBase64String); // Output: 'U29tZS1kYXRh'
base64FromBuffer
- Description: Converts an ArrayBuffer to a Base64 string.
- Returns: The Base64-encoded string representation of the ArrayBuffer.
- Params:
buffer
(ArrayBuffer): The ArrayBuffer to convert to Base64.
Example
/**
* Example usage:
*/
const { base64To } = require('misc-helpers');
const arrayBuffer = new ArrayBuffer(16);
const view = new Uint8Array(arrayBuffer);
for (let i = 0; i < view.length; i++) {
view[i] = i;
}
const base64String = base64FromBuffer(arrayBuffer);
console.log('Base64 Encoded:', base64String);
base64To
- Description: Returns a text in a base64 format.
- Params:
text
(String): The text to be transformed.fromFormat
(String): From what format to expect (default: utf8).
- Returns: The text transformed into Base64 format.
Example
/**
* Example usage:
*/
const { toString } = require('misc-helpers');
const base64String = base64To("Hello, world!", "utf8");
console.log('Base64 Encoded:', base64String);
base64ToBuffer
- Description: Converts a Base64 encoded string to a binary Buffer or ArrayBuffer.
- Params:
base64String
(string): The Base64 encoded string to decode.toString
(boolean): If true and in Node.js environment, decode to UTF-8 string. Default is true.
- Returns: Decoded binary Buffer or ArrayBuffer.
Example
/**
* Example usage:
*/
const { base64From, base64ToBuffer } = require('misc-helpers');
const base64String = "SGVsbG8sIHdvcmxkIQ=="; // Example Base64 string
const buffer = base64ToBuffer(base64String);
console.log('Decoded Buffer:', buffer);
bufferCompare
- Description: Compares two ArrayBuffer objects for equality.
- Params:
buffer1
(ArrayBuffer): The first ArrayBuffer.buffer2
(ArrayBuffer): The second ArrayBuffer.
- Returns: boolean - True if the buffers are equal, false otherwise.
Example
/**
* Example usage:
*/
const { bufferCompare } = require('misc-helpers');
const buffer1 = new ArrayBuffer(8);
const view1 = new Uint8Array(buffer1);
for (let i = 0; i < view1.length; i++) {
view1[i] = i;
}
const buffer2 = new ArrayBuffer(8);
const view2 = new Uint8Array(buffer2);
for (let i = 0; i < view2.length; i++) {
view2[i] = i;
}
const isEqual = bufferCompare(buffer1, buffer2);
console.log('Buffers are equal:', isEqual);
bufferConcatenate
- Description: Concatenates two ArrayBuffer objects.
- Params:
buffer1
(ArrayBuffer): The first ArrayBuffer.buffer2
(ArrayBuffer): The second ArrayBuffer.
- Returns: ArrayBuffer - The concatenated ArrayBuffer.
Example
/**
* Example usage:
*/
const { bufferConcatenate } = require('misc-helpers');
const buffer1 = new ArrayBuffer(4);
const view1 = new Uint8Array(buffer1);
view1.set([1, 2, 3, 4]);
const buffer2 = new ArrayBuffer(3);
const view2 = new Uint8Array(buffer2);
view2.set([5, 6, 7]);
const concatenatedBuffer = bufferConcatenate(buffer1, buffer2);
const concatenatedView = new Uint8Array(concatenatedBuffer);
console.log('Concatenated Buffer:', concatenatedView);
bufferFromString
- Description: Generates a buffer from a given string in both Node.js and browser environments.
- Params:
txtString
(string): The string to convert to a buffer.encoding
(string, optional): The encoding to use (only applicable in Node.js). Default is "utf-8".
- Returns: Buffer|Uint8Array - The buffer representation of the string.
Example
/**
* Example usage:
*/
const { bufferFromString } = require('misc-helpers');
// Node.js usage
const bufferNode = bufferFromString('Hello, World!', 'utf-8');
console.log(bufferNode);
// Browser usage
const bufferBrowser = bufferFromString('Hello, World!');
console.log(bufferBrowser);
bufferToString
- Description: Generates a string from a buffer in both Node.js and browser environments.
- Params:
buffer
(Buffer|Uint8Array): The buffer to convert to a string.encoding
(string, optional): The encoding to use (only applicable in Node.js). Default is "utf-8".
- Returns: string - The string representation of the buffer.
Example
/**
* Example usage:
*/
const { bufferToString } = require('misc-helpers');
// Node.js usage
const bufferNode = Buffer.from('Hello, World!');
const strNode = bufferToString(bufferNode);
console.log(strNode); // Output: Hello, World!
// Browser usage
const bufferBrowser = new Uint8Array([72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33]);
const strBrowser = bufferToString(bufferBrowser);
console.log(strBrowser); // Output: Hello, World!
calculateSecondsInTime
- Description: Returns the time value given the seconds, either adding or subtracting the seconds from the current time.
- Params:
seconds
(Number): Value to be added or subtracted in seconds.add
(Boolean, optional): Whether to add (true
) or subtract (false
) the seconds from the current time. Default istrue
.
- Returns: Number - The time value in milliseconds.
Example
/**
* Example usage:
*/
const { calculateSecondsInTime } = require('misc-helpers');
// Adding seconds
const addedTime = calculateSecondsInTime(60); // Adds 60 seconds to the current time
console.log(addedTime); // Output: Current time + 60 seconds
// Subtracting seconds
const subtractedTime = calculateSecondsInTime(60, false); // Subtracts 60 seconds from the current time
console.log(subtractedTime); // Output: Current time - 60 seconds
currencyBRToFloat
- Description: Returns a float value from a given money string formatted in Brazilian Real (BRL) currency.
- Params:
moneyString
(String): The money string to be transformed into a float.
- Returns: Float - The float representation of the money string, or
false
if conversion fails.
Example
/**
* Example usage:
*/
const { currencyBRToFloat } = require('misc-helpers');
// Valid money string
const money1 = "R$ 1.234,56";
const result1 = currencyBRToFloat(money1);
console.log(result1); // Output: 1234.56 (float)
// Another valid money string
const money2 = "R$ 999,99";
const result2 = currencyBRToFloat(money2);
console.log(result2); // Output: 999.99 (float)
// Invalid money string
const invalidMoney = "R$ ABC";
const result3 = currencyBRToFloat(invalidMoney);
console.log(result3); // Output: false (conversion failed)
dateFirstHourOfDay
- Description: Returns a new Date object with the hour, minute, second, and millisecond set to 00:00:00.
- Params:
date
(Date): The date object for which the time should be set to the first hour of the day.
- Returns: Date - A new Date object with hour, minute, second, and millisecond set to 00:00:00.
Example
/**
* Example usage:
*/
const { dateFirstHourOfDay } = require('misc-helpers');
// Create a new Date object
const date = new Date();
// Set the date to the first hour of the day
const result = dateFirstHourOfDay(date);
console.log(result); // Output: Date object with time set to 00:00:00
dateLastHourOfDay
- Description: Returns a new Date object with the hour, minute, second, and millisecond set to 23:59:59.
- Params:
date
(Date): The date object for which the time should be set to the last hour of the day.
- Returns: Date - A new Date object with hour, minute, second, and millisecond set to 23:59:59.
Example
/**
* Example usage:
*/
const { dateLastHourOfDay } = require('misc-helpers');
// Create a new Date object
const date = new Date();
// Set the date to the last hour of the day
const result = dateLastHourOfDay(date);
console.log(result); // Output: Date object with time set to 23:59:59
dateToFormat
- Description: Returns a formatted string representation of a Date object according to the specified format.
- Params:
date
(Date): The Date object to format.stringFormat
(String): Optional. The format string in which the Date object should be formatted. Default isdd-MM-yyyy
.
- Returns: String - A string formatted according to the specified format.
Example
/**
* Example usage:
*/
const { constants, dateToFormat } = require('misc-helpers');
// Create a new Date object
const date = new Date();
// Format the date according to the Brazilian date format
const formattedDate = dateToFormat(date, constants.DATE_BR_FORMAT_D);
console.log(formattedDate); // Output: Formatted date string according to the format dd-MM-yyyy
debouncer
- Description: Debounces a function until the timeout period has elapsed, ensuring it is executed only once within that period.
- Params:
callback
(Function): The function to be executed after the timeout period.timeout
(Integer): Optional. The timeout period in milliseconds. Default is 1000 milliseconds.
- Returns: Function - A debounced function that delays execution of
callback
until after the timeout period has elapsed.
Example
/**
* Example usage:
*/
const { debouncer } = require('misc-helpers');
// Define a function to be debounced
function fetchData(query) {
// Simulating an asynchronous operation
return new Promise((resolve) => {
setTimeout(() => {
console.log(`Fetching data for query: ${query}`);
resolve();
}, 500);
});
}
// Create a debounced version of fetchData with a timeout of 1000 milliseconds
const debouncedFetchData = debouncer(fetchData, 1000);
// Invoke the debounced function multiple times in rapid succession
debouncedFetchData("search query 1");
debouncedFetchData("search query 2");
debouncedFetchData("search query 3");
// Only one execution of fetchData will occur after the timeout period (1000 milliseconds)
deleteKeys
- Description: Removes specified keys from an object.
- Params:
object
(Object): The object from which keys should be deleted.keys
(Array): The array of keys to be deleted from the object.
- Returns: Object - The object with the specified keys removed.
Example
/**
* Example usage:
*/
const { deleteKeys } = require('misc-helpers');
// Example object
let user = {
id: 1,
username: "john_doe",
email: "[email protected]",
password: "password123",
};
// Keys to delete
const keysToDelete = ["password", "email"];
// Remove keys from the user object
const modifiedUser = deleteKeys(user, keysToDelete);
console.log(modifiedUser);
// Output: { id: 1, username: 'john_doe' }
generateRandomString
- Description: Generates a new random string based on specified size and options.
- Params:
size
(Integer): The size of the string to generate (default: 32).options
(Object): Optional. The options to customize behavior.options.excludeLowerCaseChars
(Boolean): Whether to exclude lowercase characters (default: false).options.excludeUpperCaseChars
(Boolean): Whether to exclude uppercase characters (default: false).options.excludeAccentedChars
(Boolean): Whether to exclude accented characters (default: false).options.excludeDigits
(Boolean): Whether to exclude digits (default: false).options.excludeSymbols
(Boolean): Whether to exclude symbols (default: false).options.includeSymbols
(String): A string with customized symbols to include.
- Returns: String - A new random string based on the specified criteria.
Example
/**
* Example usage:
*/
const { generateRandomString } = require('misc-helpers');
// Generate a random string of size 16 with default options
const randomString1 = generateRandomString(16);
console.log(randomString1);
// Generate a random string of size 8 excluding digits and symbols
const randomString2 = generateRandomString(8, {
excludeDigits: true,
excludeSymbols: true
});
console.log(randomString2);
generateSimpleId
- Description: Returns a new simple string identifier based on a given text and optional separator.
- Params:
id
(String): The string text identifier to incorporate into the new id.separator
(String): Optional. The separator between id parts (default: "_").
- Returns: String - A new string identifier combining the given text, current timestamp, and random number.
Example
/**
* Example usage:
*/
const { generateSimpleId } = require('misc-helpers');
// Generate a simple id with default separator
const id1 = generateSimpleId("example");
console.log(id1);
// Generate a simple id with custom separator
const id2 = generateSimpleId("example", "-");
console.log(id2);
getExecutionTime
- Description: Returns the elapsed time in milliseconds from a given reference time using Node.js
process.hrtime
. - Params:
time
(BigInteger): Optional. The reference time in milliseconds to compare against (default: 0).
- Returns: BigInteger - The elapsed time in milliseconds from the given time.
Example
/**
* Example usage:
*/
const { getExecutionTime } = require('misc-helpers');
// Measure execution time of a function
const start = process.hrtime();
// Perform some operation or function here
const end = getExecutionTime(start);
console.log(`Execution time: ${end} ms`);
JSONFrom
- Description: Returns an object parsed from a JSON string.
- Params:
text
(String): The JSON string to parse into an object.throwsError
(Boolean): Optional. Whether this function should throw an error on parsing failure (default: true).
- Returns: Object - The parsed object from the JSON string, or null if parsing fails and
throwsError
is false.
Example
/**
* Example usage:
*/
const { JSONFrom } = require('misc-helpers');
const jsonString = '{"key": "value"}';
const parsedObject = JSONFrom(jsonString);
console.log(parsedObject); // Output: { key: 'value' }
JSONTo
- Description: Returns a JSON string representation of an object.
- Params:
object
(Object): Optional. The object to be transformed into a JSON string (default: {}).throwsError
(Boolean): Optional. Whether this function should throw an error on stringification failure (default: true).
- Returns: String - The JSON string representation of the object, or null if stringification fails and
throwsError
is false.
Example
/**
* Example usage:
*/
const { JSONTo } = require('misc-helpers');
const obj = { key: 'value' };
const jsonString = JSONTo(obj);
console.log(jsonString); // Output: '{"key":"value"}'
messageDecryptFromChunks
- Description: Decrypts a message from encrypted chunks using RSA-OAEP decryption.
- Params:
privateKey
(string): The RSA private key in PEM format.messageChunks
(string[]): An array of encrypted message chunks.props
(Object): Optional. Additional decryption properties (default: {}).props.algorithm
(string): Optional. Encryption algorithm to use (default: 'RSA-OAEP').props.inputEncoding
(string): Optional. Input encoding of the encrypted chunks (default: 'base64').props.outputEncoding
(string): Optional. Output encoding of the decrypted message (default: 'utf8').
- Returns: Promise - A Promise that resolves to the decrypted message as a string.
- Throws: Error - If decryption fails or any other error occurs.
Example
/**
* Example usage:
*/
const { messageDecryptFromChunks } = require('misc-helpers');
const { readFileSync } = require('fs');
async function decryptMessage() {
const privateKey = readFileSync("private_key.pem", "utf8");
const messageChunks = [
"encrypted_chunk_1",
"encrypted_chunk_2",
"encrypted_chunk_3"
];
try {
const decryptedMessage = await messageDecryptFromChunks(privateKey, messageChunks);
console.log("Decrypted Message:", decryptedMessage);
} catch (error) {
console.error("Decryption Error:", error);
}
}
decryptMessage();
messageEncryptToChunks
- Description: Encrypts a message into chunks using RSA-OAEP encryption.
- Params:
publicKey
(string): The RSA public key in PEM format.message
(string): The message to encrypt.props
(Object): Optional. Additional encryption properties (default: {}).props.algorithm
(string): Optional. Encryption algorithm to use (default: 'RSA-OAEP').props.inputEncoding
(string): Optional. Input encoding of the message (default: 'utf8').props.outputEncoding
(string): Optional. Output encoding of the encrypted chunks (default: 'base64').props.chunkSize
(number): Optional. The size of each chunk in bytes (default: 190).
- Returns: Promise<string[]> - A Promise that resolves to an array of encrypted message chunks.
- Throws: Error - If encryption fails or any other error occurs.
Example
/**
* Example usage:
*/
const { messageEncryptToChunks } = require('misc-helpers');
const { readFileSync } = require('fs');
async function encryptMessage() {
const publicKey = readFileSync("public_key.pem", "utf8");
const message = "This is a secret message to encrypt.";
try {
const encryptedChunks = await messageEncryptToChunks(publicKey, message);
console.log("Encrypted Chunks:", encryptedChunks);
} catch (error) {
console.error("Encryption Error:", error);
}
}
encryptMessage();
normalize
- Description: Returns a text normalized.
- Params:
text
(String): The text to be normalized.
- Returns: String - The text normalized.
Example
/**
* Example usage:
*/
const { normalize } = require('misc-helpers');
const text = "héllõ wórld";
const normalizedText = normalize(text);
console.log(normalizedText); // Output: "hello world"
pushLogMessage
- Description: Pushes a message into a log object with the current time.
- Params:
logObj
(Array): The log object array to which the message should be pushed.message
(Boolean): The message to be pushed.more_info
(Any): Optional. Additional information to be added to the log message.
- Returns: Array - The log object array with the new message pushed into it.
Example
/**
* Example usage:
*/
const { pushLogMessage } = require('misc-helpers');
let log = [];
log = pushLogMessage(log, "Error occurred", { errorCode: 500 });
console.log(log);
regexDigitsOnly
- Description: Returns a string containing only digits from the input text.
- Params:
text
(String): The text from which digits should be extracted.
- Returns: String - The text containing only digits.
Example
/**
* Example usage:
*/
const { regexDigitsOnly } = require('misc-helpers');
const text = "abc123xyz456";
const digitsOnly = regexDigitsOnly(text);
console.log(digitsOnly); // Output: "123456"
regexLettersOnly
- Description: Returns a string containing only letters from the input text.
- Params:
text
(String): The text from which letters should be extracted.
- Returns: String - The text containing only letters.
Example
/**
* Example usage:
*/
const { regexLettersOnly } = require('misc-helpers');
const text = "123abc456XYZ!@#";
const lettersOnly = regexLettersOnly(text);
console.log(lettersOnly); // Output: "abcXYZ"
regexReplaceTrim
- Description: Returns a string with specified regex replaced by the provided replacement string.
- Params:
text
(String): String containing values to be replaced.regex
(String): Optional. The regex pattern to keep (default: "A-Za-zÀ-ú0-9 ").replacement
(String): Optional. The string to replace matching patterns in the text.
- Returns: String - The modified string with replacements.
Example
/**
* Example usage:
*/
const { regexReplaceTrim } = require('misc-helpers');
const text = "abc123XYZ456!@#";
const replacedText = regexReplaceTrim(text, "A-Za-z", "-");
console.log(replacedText); // Output: "---123---456---#"
removeDuplicatedStrings
- Description: Returns a string with duplicated substrings removed.
- Params:
text
(String): The string to be checked for duplicates.splitString
(String): Optional. The character or substring used to split the text into array elements (default: " ").caseInsensitive
(Boolean): Optional. Whether to remove duplicates case-insensitively (default: false).
- Returns: String - The modified string with duplicated substrings removed.
Example
/**
* Example usage:
*/
const { removeDuplicatedStrings } = require('misc-helpers');
const text = "apple banana apple orange banana";
const uniqueText = removeDuplicatedStrings(text, " ");
console.log(uniqueText); // Output: "apple banana orange"
sleep
- Description: Creates a delay for a specified number of milliseconds and optionally returns a value or throws an error.
- Params:
milliseconds
(Number): The number of milliseconds to sleep.returnValue
(Any): The value to be returned or used in the rejection after the sleep. Default is true.throwError
(Boolean): Whether to throw an error after the sleep. Default is false.
- Returns: Promise<Any> - A promise that resolves to returnValue after the delay or rejects with returnValue if throwError is true.
Example
/**
* Example usage:
*/
const sleep = require("./sleep");
// Using sleep to delay for 2 seconds and then log a message
sleep(2000, "Wake up!").then((message) => {
console.log(message); // Output: "Wake up!"
});
// Using sleep to throw an error after 2 seconds
sleep(2000, "Error occurred", true).catch((error) => {
console.error(error); // Output: "Error occurred"
});
split
- Description: Returns an array by splitting a string using a specified character.
- Params:
text
(String): The string to be split.char
(String): Optional. The character used to split the string (default: " ").
- Returns: Array - An array of substrings.
Example
/**
* Example usage:
*/
const { split } = require('misc-helpers');
const text = "apple,banana,orange";
const array = split(text, ",");
console.log(array); // Output: ["apple", "banana", "orange"]
stringCompress
- Description: Returns a text compressed using gzip compression.
- Params:
text
(String): The text to be compressed.raw
(Boolean): Optional. If true, returns the compressed data as raw gzip encoding (default: false).options
(Object): Optional. Additional options for compression.options.level
(Integer): Optional. Compression level (0-9, where 0 is no compression and 9 is maximum compression) (default: 3).options.mem
(Integer): Optional. Memory usage parameter (default: 16).
- Returns: Promise<String | Uint8Array> - A Promise that resolves to the compressed text or raw gzip encoding.
- Throws: Error - If compression fails or any other error occurs.
Example
/**
* Example usage:
*/
const { stringCompress } = require('misc-helpers');
async function compressText() {
const text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit.";
try {
const compressedText = await stringCompress(text);
console.log("Compressed Text:", compressedText);
} catch (error) {
console.error("Compression Error:", error);
}
}
compressText();
stringDecompress
- Description: Returns a text decompressed from gzip compression.
- Params:
gzipped
(String | Uint8Array): The text or Uint8Array to be decompressed, possibly base64 encoded ifraw
is false.raw
(Boolean): Optional. If true, expectsgzipped
to be raw Uint8Array data; if false, expectsgzipped
to be base64 encoded (default: false).
- Returns: Promise - A Promise that resolves to the decompressed text.
- Throws: Error - If decompression fails or any other error occurs.
Example
/**
* Example usage:
*/
const { stringDecompress } = require('misc-helpers');
async function decompressText() {
const gzippedText = "H4sIAAAAAAAA/8vJLS5R4EvyKklRjQQAAP//WgkIbAAAA";
try {
const decompressedText = await stringDecompress(gzippedText, true);
console.log("Decompressed Text:", decompressedText);
} catch (error) {
console.error("Decompression Error:", error);
}
}
decompressText();
stringToDate
- Description: Returns a new Date object parsed from a string date representation.
- Params:
stringDate
(String): The string date to be parsed.stringFormat
(String): Optional. The format in which the string date text is provided (default: 'yyyy-MM-dd'T'HH:mm:ss.SSS'Z').defaultDate
(Date): Optional. The default date to use if parsing fails (default: current date).
- Returns: Date - A new Date object parsed from the string date, adjusted for timezone.
- Throws: None.
Example
/**
* Example usage:
*/
const { constants, stringToDate } = require('misc-helpers');
const dateString = "2023-06-14T12:00:00.000Z";
const parsedDate = stringToDate(dateString, constants.DATE_ISO_FORMAT);
console.log("Parsed Date:", parsedDate);
stringToDateToFormat
- Description: Returns a formatted string date parsed from a string date representation.
- Params:
stringDate
(String): The string date to be parsed.fromFormat
(String): Optional. The format in which the string date text is provided (default: 'yyyy-MM-dd'T'HH:mm:ss.SSS').toFormat
(String): Optional. The format to which the parsed date should be formatted (default: 'dd-MM-yyyy HH:mm:ss').
- Returns: String - A formatted string date representation.
- Throws: None.
Example
/**
* Example usage:
*/
const { constants, stringToDateToFormat} = require('misc-helpers');
const dateString = "2023-06-14T12:00:00.000Z";
const formattedDate = stringToDateToFormat(dateString, constants.DATE_ISO_FORMAT, constants.DATE_BR_HOUR_FORMAT_D);
console.log("Formatted Date:", formattedDate);
stringToFormat
- Description: Returns a string formatted according to a given pattern.
- Params:
text
(Any): The text to be formatted.pattern
(String): Optional. The pattern specifying how the text should be formatted (default: "##.###.###/####-##").options
(Object): Optional. The options to customize behavior.options.digitsOnly
(Boolean): Whether to apply digits-only transformation (default: false).options.paddingChar
(String): The padding character to use (default: '0').
- Returns: String - A string formatted according to the specified pattern.
- Throws: None.
Example
/**
* Example usage:
*/
const { constants, stringToFormat } = require('misc-helpers');
const cnpj = "12345678000195";
const formattedCnpj = stringToFormat(cnpj, constants.STRING_FORMAT_CNPJ);
console.log("Formatted CNPJ:", formattedCnpj); // Output: "12.345.678/0001-95"
stringZLibCompress
- Description: Returns a text compressed using zlib compression.
- Params:
text
(String): The text to be compressed.raw
(Boolean): Optional. If true, returns the raw zlib compressed data (default: false).options
(Object): Optional. The options to customize compression.options.level
(Integer): Compression level (default: undefined).options.mem
(Integer): Memory usage (default: undefined).
- Returns: String - The compressed text as a base64 encoded string if
raw
is false, otherwise as a Uint8Array. - Throws: Error - If compression fails or any other error occurs.
Example
/**
* Example usage:
*/
const { stringZLibCompress } = require('misc-helpers');
async function compressText() {
const text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit.";
try {
const compressedText = await stringZLibCompress(text);
console.log("Compressed Text:", compressedText);
} catch (error) {
console.error("Compression Error:", error);
}
}
compressText();
stringZLibDecompress
- Description: Returns a text decompressed using zlib decompression.
- Params:
zlibbed
(String): The zlib compressed text to be decompressed.raw
(Boolean): Optional. If true, indicates that the inputzlibbed
text is base64 encoded (default: false).
- Returns: String - The decompressed text.
- Throws: Error - If decompression fails or any other error occurs.
Example
/**
* Example usage:
*/
const { stringZLibDecompress } = require('misc-helpers');
async function decompressText() {
const zlibbedText = "eJzT0yMAAGTvBe8=";
try {
const decompressedText = await stringZLibDecompress(zlibbedText, true);
console.log("Decompressed Text:", decompressedText);
} catch (error) {
console.error("Decompression Error:", error);
}
}
decompressText();
toString
- Description: Returns a string representation of a given value.
- Params:
textObj
(Any): Value to be converted to a string.objectToJSON
(Boolean): Optional. Whether to transform objects to JSON stringified form (default: true).
- Returns: String - The string representation of the provided value.
Example
/**
* Example usage:
*/
const { toString } = require('misc-helpers');
const obj = { key: 'value' };
const str = toString(obj);
console.log(str); // Output: '{"key":"value"}'
const num = 123;
const numStr = toString(num);
console.log(numStr); // Output: '123'
uint8ArrayFromString
- Description: Returns a Uint8Array representation of a string.
- Params:
text
(String): Value to be converted to a Uint8Array.joinChar
(String): Optional. Character to join Uint8Array elements into a string.
- Returns: Uint8Array or String - If
joinChar
is provided, returns the joined string representation of Uint8Array; otherwise, returns Uint8Array itself.
Example
/**
* Example usage:
*/
const { uint8ArrayFromString } = require('misc-helpers');
const text = "Hello, world!";
const uint8Array = uint8ArrayFromString(text);
console.log(uint8Array); // Output: Uint8Array [ 72, 101, 108, 108, 111, 44, 32, 119, 111, 114, 108, 100, 33 ]
const joinedString = uint8ArrayFromString(text, '-');
console.log(joinedString); // Output: '72-101-108-108-111-44-32-119-111-114-108-100-33'
uint8ArrayToString
- Description: Converts a Uint8Array or an array of bytes into a string.
- Params:
uint8Array
(Uint8Array or Array): The Uint8Array or array of bytes to convert to a string.splitChar
(String): Optional. Character to split Uint8Array elements before conversion.
- Returns: String - The converted string representation of the Uint8Array or array of bytes.
Example
/**
* Example usage:
*/
const { uint8ArrayToString } = require('misc-helpers');
const uint8Array = new Uint8Array([72, 101, 108, 108, 111, 44, 32, 119, 111, 114, 108, 100, 33]);
const text = uint8ArrayToString(uint8Array);
console.log(text); // Output: 'Hello, world!'
const joinedString = '72-101-108-108-111-44-32-119-111-114-108-100-33';
const convertedText = uint8ArrayToString(joinedString, '-');
console.log(convertedText); // Output: 'Hello, world!'
Validators
validateCADICMSPR
- Description: Validates a given CADICMS from the Brazilian Paraná State.
- Params:
cadicms
(String): The CADICMS value to be validated.
- Returns: Boolean - Returns true if the CADICMS is valid, otherwise false.
Example
/**
* Example usage:
*/
const { validateCADICMSPR } = require('misc-helpers');
const validCADICMS = "1234567890";
const invalidCADICMS = "9876543210";
console.log(validateCADICMSPR(validCADICMS)); // Output: true
console.log(validateCADICMSPR(invalidCADICMS)); // Output: false
validateCNPJ
- Description: Validates a given CNPJ (Cadastro Nacional da Pessoa Jurídica, Brazilian corporate taxpayer registry number).
- Params:
cnpj
(String): The CNPJ value to be validated.
- Returns: Boolean - Returns true if the CNPJ is valid, otherwise false.
Example
/**
* Example usage:
*/
const { validateCNPJ } = require('misc-helpers');
const validCNPJ = "12.345.678/0001-99";
const invalidCNPJ = "11.111.111/1111-11";
console.log(validateCNPJ(validCNPJ)); // Output: true
console.log(validateCNPJ(invalidCNPJ)); // Output: false
validateCPF
- Description: Validates a given CPF (Cadastro de Pessoas Físicas, Brazilian individual taxpayer registry number).
- Params:
cpf
(String): The CPF value to be validated.
- Returns: Boolean - Returns true if the CPF is valid, otherwise false.
Example
/**
* Example usage:
*/
const { validateCPF } = require('misc-helpers');
const validCPF = "123.456.789-09";
const invalidCPF = "111.111.111-11";
console.log(validateCPF(validCPF)); // Output: true
console.log(validateCPF(invalidCPF)); // Output: false
validateEmail
- Description: Validates a given email address using a regular expression.
- Params:
email
(String): The email address to be validated.
- Returns: Boolean - Returns true if the email address is valid according to the regular expression, otherwise false.
Example
/**
* Example usage:
*/
const { validateEmail } = require('misc-helpers');
const validEmail = "[email protected]";
const invalidEmail = "example.email.com";
console.log(validateEmail(validEmail)); // Output: true
console.log(validateEmail(invalidEmail)); // Output: false