meluiz
melper
Explore a versatile assortment of helper utility functions.
Installation
bun add melper
# or
npm install melperUsage
import { guard, number, string, Extrapolate } from 'melper'guard
Type and environment helpers.
guard.isString('hi') // true
guard.hasOwnProp({ foo: 1 }, 'foo') // trueAvailable functions:
guard.hasOwnProp(obj, key)guard.isArray(value)guard.isBool(value)guard.isCallable(value)guard.isDev()/guard.isProd()guard.isNull(value)guard.isNumber(value)guard.isObject(value)guard.isObjectLike(value)guard.isPlainObject(value)guard.isString(value)guard.lookup(value)
number
Utilities for numeric ranges.
number.clamp(10, { min: 0, max: 5 }) // 5
number.interpolate(5, { input: [0, 10], output: [0, 100] }, Extrapolate.Clamp) // 50string
General string helpers.
capitalize
string.capitalize('hello') // "Hello"Case conversion
| Function | Example |
|---|---|
toCamelCase |
string.toCamelCase('hello world') // 'helloWorld' |
toPascalCase |
string.toPascalCase('hello world') // 'HelloWorld' |
toKebabCase |
string.toKebabCase('hello world') // 'hello-world' |
toSnakeCase |
string.toSnakeCase('hello world') // 'hello_world' |
toSpaceCase |
string.toSpaceCase('hello-world') // 'hello world' |
toDotNotationCase |
string.toDotNotationCase('hello world') // 'hello.world' |
toConstantCase |
string.toConstantCase('hello world') // 'HELLO_WORLD' |
toTrainCase |
string.toTrainCase('hello world') // 'HelloWorld' |
toAdaCase |
string.toAdaCase('hello world') // 'HelloWorld' |
toCobolCase |
string.toCobolCase('hello world') // 'HELLO-WORLD' |
toPathCase |
string.toPathCase('folder name file') // 'folder/-name/-file' |
toCapitalCase |
string.toCapitalCase('hello world') // 'HelloWorld' |
toLowerCaseCase |
string.toLowerCaseCase('Hello World') // 'hello world' |
toUpperCase |
string.toUpperCase('Hello World') // 'HELLO WORLD' |
toTitleCase |
string.toTitleCase('an example of title case') // 'An Example of Title Case' |
toSentenceCase |
string.toSentenceCase('HELLO WORLD') // 'Hello world' |
toNoCase |
string.toNoCase('Hello-World_Test') // 'Hello World Test' |
Duration helpers
string.fromMilliseconds(3600000) // '1h'
string.toMilliseconds('1h') // 3600000
string.fromSeconds(60) // '1m'
string.toSeconds('2h') // 7200excerpt
string.excerpt('Lorem ipsum dolor sit amet', 11) // 'Lorem ipsum...'interpolate
string.interpolate('hello {{ user.name }}', { user: { name: 'John' } })
// 'hello John'random
string.random(8) // e.g. 'aG4_Kl9P'sentence
string.sentence(['apple', 'banana', 'cherry']) // 'apple, banana, and cherry'slug
string.slug('Hello, World!') // 'hello-world'truncate
string.truncate('Hello World', 5) // 'Hello...'