@bearz/strings

Overview

A collection of string utilities to avoid extra allocations and enable case insensitivity comparisons.

The comparions are functions like equal, startsWith, indexOf, etc. Each of those have both a normal version like equal and a case insensitive version like equalFold. which does a comparison without creating new string allocations using something like toLowerCase().

The case insensity should handle most of utf8 and more than just ascii or latin1 characters. e.g. equalFold("hello WÖrLD", "Hello wörld") returns true.

The string tranformations includes functions like singularize, dasherize, camelize, titleize, etc.

The basic checks functions include isNull, isEmpty, isSpace, isNullOrEmpty, and isNullOrSpace.

The trim methods can trim characters other than whitespace characters.

Documentation

Documentation is available on jsr.io

A list of other modules can be found at github.com/bearz-io/js

Usage

import * from str from '@bearz/strings'

console.log(str.equalFold("left", "LeFT")); // true
console.log(str.equalFold("hello WÖrLD", "Hello wörld")); // true
console.log(str.equalFold("hello WÖrLD", "rld")); // false
console.log(str.trimEnd("my random text...", ".")); // my random text
console.log(str.underscore(" first-place")); // first_place
console.log(str.underscore(" first-place", { screaming: true })); // FIRST_PLACE

// useful for FFI
var sb = new str.StringBuilder()
sb.append("test \n")
   .append(new TextEncoder().encode(": another test \n"));
   .appendChar(33);

console.log(sb.toString())

Classes

• StringBuilder - A builder for strings which does not use string concatination and instead uses numbers as runes and only builds the string when toString() is called.

Functions

• camelize - converts a word to camel case.
• capitalize - capitalizes a word.
• dasherize - converts a word to hyphen/dash case.
• endsWith - determines if a string or char array ends with characters.
• endsWithFold - determines if a string or char array ends with characters using case insensitivity.
• equalFold - determines if a string or char array with characeters.
• equal - determines if a string or char array with characters.
• indexOfFold - determines the index of a character or char array using case insensitivity.
• indexOf - determines the index of of a character or char array.
• lastIndexOfFolder - determines the last index of a character or char array using case insensitivity.
• lastIndex - determines the last index of a character or char array.
• ordinalize - converts word/number to the ordinal case.
• pluralize - converts singular words to their plural counterpart.
• pascalize - converts a word to pascal case.
• singularize - converts pluralized words to their singular counterpart.
• startsWith - determines if a string or char array starts with another char array.
• startsWithFold - determines if a string or char array starts with another char array using case insensitivity.
• titleize - converts characters into title case.
• trim - trims the specified characters from the start and end of a char array. defaults to whitespace.
• trimStart - trims the specified characters from the start of a char array. defaults to whitespace.
• trimEnd - trims the specified characters from the end of a char array. defaults to whitespace.
• toCharArray - converts a string to in array of characters/runes represented by a number.
• toString - converts an array of characters into a string.
• undercore - converts a word to use underscores. if the screaming option is set to true, then all letters are capitializeds.

LICENSE

MIT License

Pluralize and singularize comes from <github.com/dreamerslab/node.inflection> which is under the MIT LICENSE