JSPM

react-js-plugins package is a lightweight and powerful toolkit for developers, providing reusable solutions for various application requirements. react-js-plugins offers a comprehensive collection of utility functions designed to simplify common development tasks. Key functionalities include form validation, date formatting, array/object manipulation, and exporting data to Excel. Additional features include browser/device detection, storage management, reducers, performance optimization utilities, and string/number formatting tools.

Note: This lightweight and type-safe package is written in TypeScript and offers full support for all utilities across all modern browsers.

Installation

Install the package:

npm install react-js-plugins
# or
pnpm add react-js-plugins

Authors

Browser Support

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Documentation Site in Progress...

We're building an enhanced documentation experience with better navigation and examples. Coming soon!

Array Functions

✅ _arrayDiff

Returns the difference between two arrays.

const diff = _arrayDiff(['a', 'b'], ['b']); // ['a']

✅ _arrayIncludesObject

Checks if array contains object (by value).

_arrayIncludesObject(arr, obj);

✅ _arrayIntersection

Returns common elements between two arrays.

_arrayIntersection([1,2,3], [2,3,4]); // [2,3]

✅ _arrayToObject

Converts array of key-value pairs to object.

_arrayToObject([['a', 1], ['b', 2]]); // { a: 1, b: 2 }

✅ _arrayToObjectByKey

Converts array of objects to object using a key.

_arrayToObjectByKey(users, 'id');

✅ _asyncMap

Async map over array items one by one.

const results = await _asyncMap(ids, fetchById);

✅ _average

Calculates the average of numbers in an array.

_average([4, 8]); // 6

✅ _batchProcess

Processes an array of data in asynchronous batches.

await _batchProcess(myArray, 10, async (item) => {
  await handleItem(item);
});

✅ _chunk

Splits an array into chunks of a given size.

const parts = _chunk([1, 2, 3, 4], 2); // [[1,2], [3,4]]

✅ _deepCloneArray

Deeply clones an array of objects.

const cloned = _deepCloneArray(originalArray);

✅ _deepCompareArrays

Checks if two arrays are deeply equal.

const isEqual = _deepCompareArrays(arr1, arr2);

✅ _extractKeyValues

Extracts all non-undefined values for a specific key from an array.

const employees = [
  { id: 1, name: "Alice" },
  { id: 2 },
  { id: 3, name: "Bob" },
];
_extractKeyValues(employees, "name"); // ["Alice", "Bob"]

✅ _extractNestedKeyValues

Extracts all non-undefined values from a nested key path in an array of objects.

const users = [
  { id: 1, address: { city: "Mumbai" } },
  { id: 2, address: { city: "Pune" } },
  { id: 3 },
];
_extractNestedKeyValues(users, "address.city"); // ["Mumbai", "Pune"]

✅ _extractUniqueValues

Extracts unique values from an array based on a specific key.

const employees = [
  { id: 1, department: "HR" },
  { id: 2, department: "IT" },
  { id: 3, department: "HR" },
];
_extractUniqueValues(employees, "department"); // ["HR", "IT"]

✅ _filterArrayByKeyValue

Filters an array by a key-value match. Defaults to filtering where the key's value is true.

const enabledUsers = _filterArrayByKeyValue(userList, "isActive", true);

✅ _filterByMatchedKey

Filters list1 based on matching key values from list2.

const filtered = _filterByMatchedKey(usersList, activeUsers, "userId");

✅ _filterByMatchingKey

Filters list1 by comparing the key's value in list2, with more validation than _filterByMatchedKey.

const filtered = _filterByMatchingKey(productList, inStockItems, "productId");

✅ _filterDuplicates

Removes duplicates based on a specific object key.

const unique = _filterDuplicates(users, 'id');

✅ _findObjectById

Finds an object in an array by its id.

const item = _findObjectById(items, '123');

✅ _flattenArray

Flattens nested arrays by recursively extracting item.data if present.

const flat = _flattenArray(nestedArray);

✅ _flattenArrayByKey

Flattens an array of objects by extracting and combining values from a specified key.

_flattenArrayByKey([{ id: 1, items: ['a', 'b'] }, { id: 2, items: ['c'] }], 'items'); 
// ['a', 'b', 'c']

✅ _getArrayOfObjectsByProperty

Returns all objects with a specific property value.

_getArrayOfObjectsByProperty(data, 'type', 'active');

✅ _getMaxMinValue

Finds the max and min values in an array.

const { max, min } = _getMaxMinValue([5, 2, 9]);

✅ _getUniqueValues

Returns an array of unique values.

const unique = _getUniqueValues([1, 2, 2, 3]);

✅ _groupBy

Groups array items by a given key.

const grouped = _groupBy(users, 'department');

✅ _hasElement

Searches recursively in a menu tree to find an element by key and value.

const found = _hasElement(menuItems, "id", 5);

✅ _hasItem

Searches recursively in a menu tree to find an item by path.

const item = _hasItem(menuItems, "/dashboard");

✅ _isEmptyArray

Checks if a given value is an empty array.

const isEmpty = _isEmptyArray([]);

✅ _isInArray

Checks if a value exists in array.

_isInArray(['a', 'b'], 'b'); // true

✅ _isValueInArray

Checks whether a value exists in a given array.

const exists = _isValueInArray([1, 2, 3], 2);

✅ _mapAsync

Parallel async map over array.

const data = await _mapAsync(users, fetchDetails);

✅ _mergeArrays

Merges two arrays and removes duplicates.

const merged = _mergeArrays(arr1, arr2);

✅ _mergeArraysByKey

Merges two arrays of objects based on a common key.

const merged = _mergeArraysByKey(arr1, arr2, 'id');

✅ _removeFalsy

Removes all falsy values (false, 0, '', null, undefined, NaN) from an array.

const cleaned = _removeFalsy([0, 1, false, 2, '', 3]); // [1, 2, 3]

✅ _removeDuplicateByKey

Removes duplicates based on a specific key (e.g. id), keeping the first occurrence.

const users = [
  { id: 1, name: 'Alice' },
  { id: 2, name: 'Bob' },
  { id: 1, name: 'Alice Duplicate' },
];
const uniqueUsers = _removeDuplicateByKey(users, 'id');
// Result: [{ id: 1, name: 'Alice' }, { id: 2, name: 'Bob' }]

✅ _removeDuplicates

Removes duplicate objects based on a key.

const cleaned = _removeDuplicates(data, 'email');

✅ _sortByKey

Sorts array of objects by a specific key.

const sorted = _sortByKey(products, 'price');

✅ _sum

Returns the sum of an array of numbers.

_sum([1, 2, 3]); // 6

✅ _swapArrayByKey

Sorts an array in descending order based on a key.

const sorted = _swapArrayByKey(data, 'score');

✅ _swapArrayElements

Swaps two elements in an array.

_swapArrayElements(arr, 0, 1);

✅ _transformArray

Applies a transformation function to each item in an array.

const result = _transformArray(users, user => user.name);

✅ _transformAsyncData

Applies a transformer to each array item asynchronously.

const updated = await _transformAsyncData(data, transformFn);

✅ _updateObjectInArray

Updates a matching object in an array by key-value.

const updated = _updateObjectInArray(users, 'id', '123', { name: 'New Name' });

Object Functions

✅ _deepClone

Deep clones an object using JSON.stringify and JSON.parse.

const clone = _deepClone(originalObj);

✅ _deepEqual

Deep comparison between two objects.

const isSame = _deepEqual(objA, objB);

✅ _deepMerge

Recursively merges two objects.

const merged = _deepMerge(obj1, obj2);

✅ _filterObjectByKey

Filters object based on allowed keys.

_filterObjectByKey(user, ['id', 'name']);

✅ _flattenObject

Flattens a nested object into dot notation key-value pairs.

const flat = _flattenObject({ a: { b: 1 } }); // { 'a.b': 1 }

✅ _freeze

Freezes an object to make it immutable.

const frozen = _freeze(config);

✅ _getKeyByValue

Returns the first key in an object with the matching value.

const key = _getKeyByValue(obj, 'targetValue');

✅ _getKeysByValue

Finds all keys in an object with a specific value.

const keys = _getKeysByValue(obj, 'active');

✅ _getNestedProperty

Retrieves value from object using a string path.

const value = _getNestedProperty(user, 'profile.name');

✅ _getObjectValues

Returns object values as an array.

_getObjectValues({ a: 1, b: 2 }); // [1, 2]

✅ _getValueByKey

Returns the value of a key from an object.

const value = _getValueByKey(obj, 'username');

✅ _isEmptyObject

Checks if an object has no own properties.

const isObjEmpty = _isEmptyObject({});

✅ _isEqual

Checks deep equality of two values using JSON.stringify.

const isSame = _isEqual(obj1, obj2);

✅ _isFreeze

Checks if object is frozen.

_isFreeze(obj); // true/false

✅ _isSeal

Checks if object is sealed.

_isSeal(obj); // true/false

✅ _mapObject

Maps over an object and returns an array using a callback.

const result = _mapObject(myObj, (key, value) => `${key}: ${value}`);

✅ _mergeObjects

Merges two objects, giving priority to the second object's properties.

const merged = _mergeObjects(obj1, obj2);

✅ _objectToArray

Converts object to array of key-value pairs.

_objectToArray({ a: 1 }); // [['a', 1]]

✅ _seal

Seals an object to prevent adding/removing properties.

_seal(settings);

✅ _setNestedProperty

Sets a deeply nested property in an object using a string path.

_setNestedProperty(obj, 'user.address.city', 'Mumbai');

Form & Validation Functions

✅ _dynamicRequiredValidation

Generates a Yup schema with required validations for given fields.

const schema = _dynamicRequiredValidation(['name', 'email']);

✅ _generateYupValidation

Creates a Yup validation schema with all fields marked as required.

const schema = _generateYupValidation(['name', 'age']);

✅ _initializeFormikFields

Returns an object with default empty string values for Formik fields.

const formikFields = _initializeFormikFields(['username', 'password']);

✅ _initializeFormValues

Initializes form values with empty strings for each field.

const initialValues = _initializeFormValues(['name', 'email']);

✅ _isValidForm

Validates a Formik form and returns whether it's valid.

const isValid = await _isValidForm(formRef);

✅ _setTouchedFields

Marks all fields with errors as touched in a Formik form.

_setTouchedFields(formRef, errors);

✅ _validateFormRef

Returns form validity and error details from a Formik ref.

const { isValid, errors } = await _validateFormRef(formRef);

✅ Validation Functions

✅ _isValidBase64

Checks if a string is a valid Base64-encoded value.

const isValid = _isValidBase64('U29tZSB0ZXh0');

✅ _isValidBlob

Checks if the input is a Blob.

const isValid = _isValidBlob(new Blob(['text']));

✅ _isValidBoolean

Checks if the input is a boolean.

const isValid = _isValidBoolean(true);

✅ _isValidCreditCard

Checks if a string matches known credit card patterns.

const isValid = _isValidCreditCard('4111111111111111');

✅ _isValidDate

Checks if a string matches the YYYY-MM-DD date format.

const isValid = _isValidDate('2025-04-09');

✅ _isValidDateObject

Checks if the input is a valid Date object.

const isValid = _isValidDateObject(new Date());

✅ _isValidDateRange

Checks if the start date is earlier than or equal to the end date.

const isValid = _isValidDateRange('2025-01-01', '2025-12-31');

✅ _isValidDateTime

Checks if a string matches the YYYY-MM-DDTHH:mm:ss format.

const isValid = _isValidDateTime('2025-04-09T12:30:00');

✅ _isValidDateString

Checks if the string can be parsed as a valid date.

const isValid = _isValidDateString('2025-04-09');

✅ _isValidEmail

Checks if a string is a valid email address.

const isValid = _isValidEmail('user@example.com');

✅ _isValidEvent

Checks if the input is an instance of Event.

const isValid = _isValidEvent(new Event('click'));

✅ _isValidFile

Checks if the input is a File.

const isValid = _isValidFile(new File([''], 'file.txt'));

✅ _isValidFormData

Checks if the input is a FormData instance.

const isValid = _isValidFormData(new FormData());

✅ _isValidFunction

Checks if the input is a valid function.

const isValid = _isValidFunction(() => {});

✅ _isValidHexColor

Checks if a string is a valid hex color code.

const isValid = _isValidHexColor('#FF5733');

✅ _isValidHTMLCollection

Checks if the input is an HTMLCollection.

const isValid = _isValidHTMLCollection(document.forms);

✅ _isValidHTMLElement

Checks if the input is an instance of HTMLElement.

const isValid = _isValidHTMLElement(document.body);

✅ _isValidIP

Checks if a string is a valid IPv4 address.

const isValid = _isValidIP('192.168.1.1');

✅ _isValidJSON

Checks if a string is valid JSON.

const isValid = _isValidJSON('{"name":"John"}');

✅ _isValidMacAddress

Checks if a string is a valid MAC address.

const isValid = _isValidMacAddress('00:1A:2B:3C:4D:5E');

✅ _isValidNode

Checks if the input is a Node.

const isValid = _isValidNode(document.createTextNode('text'));

✅ _isValidNodeList

Checks if the input is a NodeList.

const isValid = _isValidNodeList(document.querySelectorAll('div'));

✅ _isValidNumber

Checks if the input is a valid number.

const isValid = _isValidNumber(123.45);

✅ _isValidPassword

Checks if a password has 8+ characters, at least 1 letter and 1 number.

const isValid = _isValidPassword('Abc12345');

✅ _isValidPhoneNumber

Checks if a string is a valid international phone number (10–15 digits).

const isValid = _isValidPhoneNumber('+919876543210');

✅ _isValidPromise

Checks if the input is a Promise.

const isValid = _isValidPromise(Promise.resolve());

✅ _isValidRegExp

Checks if the input is a regular expression.

const isValid = _isValidRegExp(/abc/);

✅ _isValidString

Checks if the input is a non-empty string.

const isValid = _isValidString('Hello');

✅ _isValidTime

Checks if a string is a valid 24-hour HH:mm format.

const isValid = _isValidTime('23:59');

✅ _isValidURL

Checks if a string is a valid URL format.

const isValid = _isValidURL('https://example.com');

✅ _isValidURLSearchParams

Checks if the input is a URLSearchParams instance.

const isValid = _isValidURLSearchParams(new URLSearchParams());

✅ _isValidUsername

Checks if a username is 3+ characters and contains only letters, numbers, dots, underscores, or hyphens.

const isValid = _isValidUsername('john_doe');

✅ _isValidUUID

Checks if a string is a valid UUID (v1 to v5).

const isValid = _isValidUUID('550e8400-e29b-41d4-a716-446655440000');

✅ _isTruncate

Checks if text would be truncated based on the character limit.

 _isTruncate('This is a long text example', 10);
// Returns: true

Security & Encryption Functions

✅ _decryptJson

Decrypts AES-encrypted JSON string using a secret key.

const decrypted = _decryptJson(encryptedString, "secret123");

✅ _decryptString

Decrypts an AES-encrypted string using the provided IV and secret key.

const plainText = _decryptString(ciphertext, iv, "secretKey");

✅ _encryptJson

Encrypts a JSON object using AES encryption with a secret key.

const encrypted = _encryptJson({ name: "John" }, "secret123");

✅ _encryptPayload

Encrypts a full payload using a randomly generated key and IV, secured by a static key.

const payload = _encryptPayload({ id: 1 }, "mainSecretKey");

✅ _encryptString

Encrypts a plain string using AES encryption, with optional random IV.

const result = _encryptString("mySecretText", "secretKey");

✅ _escapeHTML

Escapes special HTML characters to prevent injection or rendering issues.

const safeHTML = _escapeHTML('<div class="test">Tom & Jerry</div>');
// Output: '&lt;div class=&quot;test&quot;&gt;Tom &amp; Jerry&lt;/div&gt;'

✅ _generatePassword

Generates a strong random password with mixed characters.

const newPassword = _generatePassword(12);

Event & DOM Functions

✅ _addEventListenerToElement

Attaches an event listener to a DOM element.

_addEventListenerToElement('#my-btn', 'click', handleClick);

✅ _allowAlphaKeys

Allows only alphabetic input and valid control keys.

<input onKeyDown={_allowAlphaKeys} />

✅ _allowAlphaNumericKeys

Allows only alphanumeric keys during typing.

document.addEventListener('keydown', _allowAlphaNumericKeys);

✅ _allowDecimalKeys

Allows only decimal input and valid control keys.

<input onKeyDown={_allowDecimalKeys} />

✅ _clearNode

Hides specific sibling DOM nodes relative to a base element.

_clearNode('.my-element', [{ type: 'previous', steps: 1 }]);

✅ _cloneElement

Clones a DOM element.

const clone = _cloneElement('.to-clone');

✅ _domSelector

Selects a single or all DOM elements matching a CSS selector.

const el = _domSelector('#myElement');
const elements = _domSelector('.list-item', true);

✅ _getChildElements

Returns child elements of a selector.

const children = _getChildElements('.container');

✅ _getElementAttribute

Gets the value of an element's attribute.

const id = _getElementAttribute('.item', 'data-id');

✅ _getElementsByClass

Returns elements with a given class.

const elements = _getElementsByClass('my-class');

✅ _getElementsByTag

Returns elements with a given tag name.

const buttons = _getElementsByTag('button');

✅ _getParent

Returns parent of a DOM element.

const parent = _getParent('.child');

✅ _getScrollPosition

Returns current window scroll position.

const { scrollX, scrollY } = _getScrollPosition();

✅ _handlePasteAlphabetKeys

Prevents pasting non-alphabetic characters.

<input onPaste={_handlePasteAlphabetKeys} />

✅ _handlePasteDecimalKeys

Prevents pasting invalid decimal values.

<input onPaste={_handlePasteDecimalKeys} />

✅ _hideElement

Hides a DOM element by setting its display style to 'none'.

_hideElement('#modal');

✅ _insertHTML

Injects HTML at a specific position.

_insertHTML('#box', 'beforeend', '<div>Hello</div>');

✅ _isDocumentLoaded

Checks if the document has fully loaded.

if (_isDocumentLoaded()) { /* safe to run code */ }

✅ _isElementInViewport

Checks if element is visible in viewport.

const isVisible = _isElementInViewport('.my-element');

✅ _isElementPresent

Checks if an element exists in the DOM.

const exists = _isElementPresent('.my-element');

✅ _onDOMLoad

Executes the callback when the DOM is fully parsed, but before images and other resources are necessarily loaded.

_onDOMLoad(() => {
  const el = document.getElementById('app');
  console.log('DOM ready:', el);
});

✅ _onFullReload

Executes the callback only when the page is reloaded (not on SPA route changes or soft navigation).

_onFullReload(() => {
  console.log('Page was fully reloaded.');
});

✅ _onWindowLoad

Executes the callback when the entire window is fully loaded, including all images and assets.

_onWindowLoad(() => {
  console.log('Window fully loaded!');
});

✅ _reloadAfterLoad

Reloads page after a delay post-load.

_reloadAfterLoad(3000); // Reload 3s after load

✅ _removeAllChildren

Clears all child nodes of an element.

_removeAllChildren('#container');

✅ _removeElement

Removes the first matched DOM element from the document.

_removeElement('#banner');

✅ _removeElementAttribute

Removes an attribute from an element.

_removeElementAttribute('.item', 'data-id');

✅ _removeEventListenerFromElement

Removes a specific event listener.

_removeEventListenerFromElement('#my-btn', 'click', handleClick);

✅ _removeNode

Removes all matched DOM elements from the document.

_removeNode('.temp-item');

✅ _removeSafeElement

Safely removes an element if it exists and has a parent.

_removeSafeElement('#popup');

✅ _replaceContent

Replaces inner HTML of an element.

_replaceContent('#content', '<p>New content</p>');

✅ _runOnIframeLoad

Runs a callback when iframe finishes loading.

_runOnIframeLoad('#myIframe', () => console.log('Loaded'));

✅ _scrollToElement

Scrolls smoothly to an element.

_scrollToElement('#target');

✅ _scrollToTop

Scrolls the page smoothly to the top.

_scrollToTop();

✅ _setElementAttribute

Sets an attribute on a DOM element.

_setElementAttribute('.item', 'data-id', '123');

✅ _setElementDisabled

Enables or disables a DOM element.

_setElementDisabled('#submit-btn', true);

✅ _setMultipleStyles

Applies multiple CSS styles to an element.

_setMultipleStyles('.card', { color: 'red', fontWeight: 'bold' });

✅ _showElement

Displays a hidden DOM element using the provided displayType (default is 'block').

_showElement('#modal');
_showElement('#modal', 'flex');

File & Data Functions

✅ _base64ToBlob

Converts a base64-encoded string into a Blob object.

const blob = _base64ToBlob(base64String);

✅ _downloadBase64File

Downloads any base64-encoded data as a file with a specified filename and extension.

const base64Image = 'iVBORw0KGgoAAAANSUhEUgAAA...';
downloadBase64File(base64Image, 'my-picture.png');

const base64PDF = 'JVBERi0xLjQKJeLjz9MNCjEgMCBvYmoK...';
downloadBase64File(base64PDF, 'invoice.pdf');

✅ _downloadBlob

Triggers download of a Blob object.

_downloadBlob(blob, 'myfile.pdf');

✅ _exportExcel

Exports JSON data to an Excel or CSV file.

await _exportExcel({
  data: [
    { name: 'siya', age: 5 },
    { name: 'riya', age: 6 },
  ],
  filename: 'users',
})
.then(() => console.log('Export successful'))
.catch((err) => console.error('Export failed:', err.message));

✅ _fileToBase64

Converts a file to a base64-encoded string.

const base64 = await _fileToBase64(file);

✅ _importExcel

Imports data from an Excel file.

const fileInputHandler = async (event: React.ChangeEvent<HTMLInputElement>) => {
  const { data, error } = await _importExcel(event);

  if (error) {
    console.error('Error:', error.message);
    return;
  }
  
  if (data) {
    console.log('Successfully parsed data:', data);
  }
};

✅ _importFile

Supports multiple types of result formats: base64, buffer, file, unit8array.

const handleChangeFile = async (file) => {
  const result = await _importFile(file, 'base64');
  console.log('result', result);
};

Browser & Storage Functions

✅ _navigate

Navigates to a new path with optional state and replace behavior.

_navigate('/about', { state: { user: 'sia' }, replace: true });

✅ _go

Navigates through the history stack by a specified number of steps.

_go(-2); // Go back 2 pages
_go(1);  // Go forward 1 page

✅ _goBack

Navigates to the previous page in history.

_goBack(); // Equivalent to browser back button

✅ _goForward

Navigates to the next page in history.

_goForward(); // Equivalent to browser forward button

✅ _getCurrentPath

Returns the current pathname from the navigation state.

_getCurrentPath(); // e.g., "/about"

✅ _getCurrentState

Returns the current navigation state object.

_getCurrentState(); // e.g., { user: 'sia' }

✅ _getLocation

Returns both the current path and state as an object.

_getLocation(); // e.g., { pathname: "/about", state: { user: 'sia' } }

✅ _getTypedState

Returns the current navigation state with TypeScript type safety.

interface UserState { name: string; age: number; }
_getTypedState<UserState>(); // Returns typed state or null

✅ _clearRouteState

Removes the route state from the browser's history without reloading the page, keeping the current path intact.

_clearRouteState('/dashboard');

✅ _findExactRoute

Finds an exact route match from an array of routes based on a pathname.

_findExactRoute([{ path: '/users' }, { path: '/users/:id' }], '/users/123'); 
// { path: '/users/:id' }

✅ _copyText

Copies the provided text to the clipboard, using modern APIs with a fallback for older browsers.

const success = await _copyText("Hello, clipboard!");
if (success) {
  console.log("Text copied successfully");
}

✅ _getBrowserInfo

Returns the name of the browser (e.g., Chrome, Firefox).

const browser = _getBrowserInfo();

✅ _getCookie

Retrieves a cookie value by its name.

const token = _getCookie('auth_token');

✅ _getQueryString

Returns the query string from the current URL, supporting both ?search and #hash?search formats.

const query = _getQueryString();
console.log('Query string:', query); // Example: ?id=123

✅ _getStorage

Handles local/session storage actions like GET, SET, REMOVE, CLEAR.

const data = _getStorage({ action: 'GET', type: 'local', key: 'user' });

✅ _isMobile

Detects if the current device is a mobile device.

const mobile = _isMobile();

✅ _pasteText

Retrieves and returns the current text content from the clipboard, using modern APIs with a fallback for older browsers.

const text = await _pasteText();
if (text) {
  console.log("Pasted text:", text);
}

✅ _setCookie

Sets a cookie with a name, value, and expiry (in days).

_setCookie('auth_token', 'abc123', 7);

String & Text Functions

✅ _bytesToSize

Converts byte size into a human-readable format.

const size = _bytesToSize(1024); // "1 KB"

✅ _capitalize

Capitalizes the first character of a string.

const name = _capitalize("john"); // "John"

✅ _truncateText

Truncates text to a specified character limit and adds ellipsis if truncated.

_truncateText('This is a long text example', 10);
// Returns: "This is a…"

✅ _countWords

Counts the number of words in a string by trimming whitespace and splitting by spaces.

const wordCount = _countWords('  Hello world! How are you?  '); // 5

✅ _decodeURI

Decodes an encoded URI component back to its original readable string format.

const decoded = _decodeURI('hello%20world%402024'); // 'hello world@2024'

✅ _encodeURI

Encodes a URI component by escaping special characters to make it safe for use in URLs.

const encoded = _encodeURI('hello world@2024'); // 'hello%20world%402024'

✅ _escapeRegExpMatch

Escapes special characters for regex matching.

const escaped = _escapeRegExpMatch('a+b*c');

✅ _isExactMatch

Checks if a string contains an exact word match using regex.

const match = _isExactMatch('The quick brown fox', 'quick');

✅ _parseJSON

Safely parses a JSON string into an object.

const obj = _parseJSON(jsonString);

✅ _stringifyJSON

Safely converts an object to a JSON string.

const str = _stringifyJSON(obj);

✅ _toCamelCase

Converts kebab-case or snake_case to camelCase.

_toCamelCase('hello_world'); // helloWorld

Date & Time Functions

✅ _calculateTimeDifference

Returns difference between two dates in readable format.

_calculateTimeDifference(start, end); // "1d 2h 3m 4s"

✅ _dateFormat

Formats a date using Moment.js with the specified format.

const formatted = _dateFormat(new Date(), 'YYYY-MM-DD');

✅ _dateTransformer

Recursively formats all dates in an object or array.

const result = _dateTransformer(data);

✅ _formatDate

Formats a date based on a custom pattern.

_formatDate(new Date(), 'YMD'); // e.g., "Apr 9, 2025"

✅ _formatInternationalDate

Formats a date according to locale, timezone, and preset or custom format.

const formatted = _formatInternationalDate('2024-07-09T10:00:00Z', {
  country: 'IN',
  timezone: 'Asia/Kolkata',
  format: 'DATETIME_SHORT',
}); // "9/7/2024, 3:30 pm"

✅ _getFinancialYear

Returns the current financial year based on today's date.

const fy = _getFinancialYear();

✅ _getStartStopTime

Returns the start and end datetime of a given date's month in specified format.

const { startTime, stopTime } = _getStartStopTime(new Date());

✅ _getUTCTimestamp

Returns the UTC timestamp.

const ts3 = getUTCTimestamp({ year: 2025, month: "December", day: 25, hour: 10, minute: 30 });
console.log(new Date(ts3).toUTCString()); // Thu, 25 Dec 2025 10:30:00 GMT

✅ _globalizeDateTime

Converts a date/time to a specific time zone and format.

const localized = _globalizeDateTime('2024-07-09T12:00:00', {
  timeZone: 'Asia/Kolkata',
  format: 'yyyy-MM-dd HH:mm',
}); // "2024-07-09 17:30"

✅ _isLeapYear

Determines whether a given year is a leap year based on calendar rules.

const isLeap = _isLeapYear(2024); // true

✅ _isWeekend

Checks if a given date falls on a weekend (Saturday or Sunday).

const weekend = _isWeekend(new Date('2025-06-08')); // true (Sunday)

✅ _calPercentage

Calculates the percentage of a value relative to total.

_calPercentage(40, 200); // 20

✅ _convertToCurrency

Converts a number to a formatted currency string.

const price = _convertToCurrency(2500, 'INR');

✅ _getPriceAfterTax

Adds tax to a given price.

_getPriceAfterTax(100, 18); // 118

✅ _thousandSeparator

Formats a number with thousand separators and fixed decimal precision.

const formatted = _thousandSeparator(1234567.89);

✅ _alert

Shows a customizable alert modal.

await _alert({ title: "Test", text: "Data save successfully!" });

✅ _asyncDebounce

Debounces an async function call.

const debouncedFn = _asyncDebounce(fetchData, 500);
debouncedFn();

✅ _confirm

Shows a customizable confirm modal.

const confirmed = await _confirm({
  title: "Are you sure?",
  text: "Do you really want to delete this item?",
  icon: "warning",
  confirmButtonText: "Yes, delete it",
  cancelButtonText: "No, cancel",
});

if (confirmed) {
  // proceed with delete
} else {
  // cancelled
}

✅ _dynamicReducer

Creates a simple dynamic reducer using generic action handler logic.

const reducer = _dynamicReducer(initialState);

✅ _generateUUID

Generates a unique UUID string using the browser's crypto API.

const id = _generateUUID();
console.log(id); // e.g., "3b12f1df-5232-4e6b-8f36-3a4e5f7f8b84"

✅ _genericReducer

A generic reducer accepting predefined handlers for each action type.

const reducer = _genericReducer(initialState, customActions);

✅ _handleApi

Wraps an API call with success and error handling, executing the appropriate callback based on the result.

_handleApi(
  getDetails({ name: 'sia' }),
  (res) => console.log(res), 
  (err) => console.error(err)
);

✅ _handleChildrenMenu

Recursively sets assigned state and permissions of child nodes.

_handleChildrenMenu(menuList, parentKey, checked);

✅ _handleParentNode

Recursively updates parent permissions based on child permissions.

_handleParentNode(menuList, menuId, permissionKey);

✅ _handleParentsMenu

Recursively updates parent menu's assigned state and permissions based on children.

_handleParentsMenu(menuList, menuId);

✅ _handleSafe

Executes a synchronous or asynchronous action safely, handling errors and an optional finally block without breaking the application.

await _handleSafe(
  async () => {
    await someAsyncTask();
  },
  (error) => {
    console.error('Error occurred:', error);
  },
  () => {
    console.log('Cleanup after execution');
  }
);

✅ _isNotEmpty

Checks if a given value is not empty — returns false for empty arrays, empty objects, and falsy values like null, undefined, false, or ''.

const isEmpty = _isNotEmpty([]);

✅ _log

Logs a styled message to the console with a specified log level (log, info, warn, error).

_log("UserService", "Fetching user details...", "info");

✅ _sleep

Creates a delay for a given time using Promise.

await _sleep(1000); // Wait 1 second

✅ _throwError

Throws an error with an optional context object and logs it to the console.

_throwError("Something went wrong");

Approved by : NPM Community

License : MIT © 2022–2024