parro-it

A curated list of small, focused npm packages.

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Awesome Micro npm Packages

Name: awesome-micro-npm-packages
Brand: awesome-micro-npm-packages
SKU: //parro-it/awesome-micro-npm-packages
Rating: 2.4988 (3747 reviews)

A curated list of small, focused Node.js modules.

Inspired by the awesome list thing.

Articles

Modules

Array

is-sorted - A small module to check if an Array is sorted.
array-first - Get the first element or first n elements of an array.
array-last - Return the last element in an array.
arr-flatten - Recursively flatten an array or arrays.
dedupe - Remove duplicates from an array.
array-range - Creates a new array with given range.
arr-diff - Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.
filled-array - Returns an array filled with the specified input
map-array - Map object keys and values into an array.
in-array - Return true if any of passed values exists in array - faster than using indexOf.
unordered-array-remove - Efficiently remove an element from an unordered array without doing a splice.
array-swap - Swap position of two items in an array.
mirrarray - Creates a keymirror object from an array of valid keys.
group-array - Group array of objects into lists.
array.chunk - Split array/TypedArray to chunks of given size.

String

decamelize - Convert a camelized string into a lowercased one with a custom separator: unicornRainbow → unicorn_rainbow.
pad-left - Left pad a string with zeros or a specified string.
to-camel-case - Convert a string to a camel case.
to-capital-case - Convert a string to a capital case.
to-constant-case - Convert a string to a constant case.
to-dot-case - Convert a string to a dot case.
to-no-case - Remove an existing case from a string.
to-pascal-case - Convert a string to a pascal case.
to-sentence-case - Convert a string to a sentence case.
to-snake-case - Convert a string to a snake case.
to-space-case - Convert a string to a space case.
to-title-case - Convert a string to a title case.
node-slug - slugifies even utf-8 chars.
rtrim - Strip whitespace - or other characters - from the end of a string.
slice.js - Javascript library to engance String.substring / Array.slice with python slice style.
strip-ansi - Strip ANSI escape codes.
striptags - An implementation of PHP's strip_tags in Node.js.
parse-next-json-value - Parse next JSON value from string allowing extraneous characters after value.

Date & Time

pretty-ms - Convert milliseconds to a human readable string: 1337000000 → 15d 11h 23m 20s.
hirestime - A wrapper around the built-in high resolution timer which simplifies the calculation of timestamps.
periods - Defined time-periods constants for Javascript, in milliseconds.
fecha - Javascript Date formatting and parsing.
akamai-time-reference - Get reference time using Akamai's time reference service.
timeago.js - A tiny(~1.7kb) library used to format date with
```
*** time ago
```
statement.
count-days-in-month - Get the number of days in a given month.
time-stamp - Get a formatted timestamp.
twas - Generate a relative time string (Example: "3 seconds ago")

Object

map-obj - Map object keys and values into a new object.
filter-obj - Filter object keys and values into a new object.
object-values - Get the values of an object.
object-pairs - Turn an object into list of [key, value] pairs for mapping, iterating or other purposes.
zipmap - Returns a map with the keys mapped to the corresponding vals. zipmap also accepts a single value of objects or pairs.
just-pluck - Pluck without the madness.
deep-equal - Node's assert.deepEqual() algorithm as a standalone module.
deep-assign - Recursive Object.assign().
set-value - Create nested values and any intermediaries dot notation (
```
'a.b.c'
```
) paths.
get-value - Use property paths (a.b.c) to get a nested value from an object.
has-value - Returns true if a value exists, false if empty. Works with deeply nested values using dot notation (
```
'a.b.c'
```
) paths.
has-key-deep - Deep-search objects for keys. Keys can be searched by providing an array of keys, or using a dot-notiation.
flatkeys - Flatten object key hierarchies into a list of strings using a custom separator.
flatten-obj - Converts an object literal with deeply nested nodes to a simple key/value object.
is-empty-object - Check if an object is empty.
stringify-object - Stringify an object/array like JSON.stringify just without all the double-quotes.
sorted-object - Returns a copy of an object with its keys sorted.
static-props - Defines static object attributes using
```
Object.defineProperties
```
missing-deep-keys - Returns an array of keys from first object that are missing in second.
has-own-property - Check if an object has a local property.
merge-objects - Deep-merge two objects. Arrays that are values of the same object key get concatenated.
deep-object-diff - Deep diff two JavaScript Objects while preserving the data structure. Including nested structures of Arrays and Objects.

Function

compose-function - Compose a new function from smaller functions
```
f(g(x))
```
.
curry - A curry function without anything too clever.
once - Run a function exactly one time.
deep-bind - Bind a context to all functions in an object, including deeply nested functions.
identity-function - Always return the input argument.
mem - An optimization technique used to speed up consecutive function calls by caching the result of calls with identical input.
throttle-debounce - Throttle/debounce your functions.
compose-tiny - A very tiny and fast compose function.

Math

is-even - A good way to tell if a number is even or not (avoids type issues). Uses
```
is-odd
```
and
```
is-number
```
under the hood.
is-number - Returns
```
true
```
if the value is a number.
is-odd - A good way to tell if a number is odd or not (avoids type issues). Uses
```
is-number
```
under the hood.
easy-math.js - A tiny easy math library including addition, multiplication, subtraction, and division.

Stream

through2 - Tiny wrapper around Node streams2 Transform to avoid explicit subclassing noise.
through2-filter - A through2 to create an Array.prototype.filter analog for streams.
through2-map - A through2 to create an Array.prototype.map analog for streams.
stream-spigot - A readable stream generator, useful for testing or converting simple functions into Readable streams.
concat-stream - writable stream that concatenates strings or data and calls a callback with the result.
JSONStream - streaming JSON.parse and stringify
through2-map-promise - A small promise-based wrapper for through2.
pump - pipe streams together and close all of them if one of them closes.
split - Break up a stream and reassemble it so that each line is a chunk.
is-stream - Check if something is a Node.js stream.
syncthrough - Transform your data as it pass by, synchronously.

Promise

pify - Promisify a callback-style function.
promise-all-props - Like
```
Promise.all
```
but for object properties.
sleep-promise - Resolves a promise after a specified delay.
is-promise - Test whether an object looks like a promises-a+ promise.

File System

rimraf - A deep deletion module for node (like rm -rf).
mkdirp - Recursively mkdir, like mkdir -p.
du - A simple JavaScript implementation of du -sb.
file-size - Lightweight filesize to human-readable / proportions w/o dependencies.
tmp - Temporary file and directory creator for node.js.
fs-promise - Node fs methods as Promise/A+ (optional fs-extra, graceful-fs).

Browser

delegate - Lightweight event delegation.
insert-css - Insert a string of css into the head
dom-element-value - DOM element value getter/setter.
image-promise - Load one or more
s in a Promise.
get-media-size - Get the original size of any
```
img
```
/
```
video
```
/
```
svg
```
/
```
canvas
```
tags or canvas context.
document-ready - Document ready listener for modern browsers.
copee - Copy text from browser to clipboard...natively!

Semver

semver - The semantic version parser used by npm.
semver-max - Find maximum (or minimum) version according to semver.
semver-first-satisfied - Find minimum in an array of version that satisfies a semver range.

CLI

abbrev - Calculate the set of unique abbreviations for a given set of strings.
glob - Glob functionality for node.js.
username - Get the username of the current user.
minimist - Parse argument options.
png-to-ico - Convert png to windows ico format.
help-version - Easily handle --help and --version arguments in your CLI application

Module management

pkg-conf - Get namespaced config from the closest package.json.
normalize-pkg - Normalize values in package.json to improve compatibility, programmatic readability and usefulness with third party libs.

Generators

is-generator - Check whether a given value is a generator function.

Other

uuid - Generate RFC-compliant UUIDs in JavaScript.
node-mime - Comprehensive MIME type mapping API based on mime-db module.
not-defined - Checks if foo is not defined, i.e. undefined, null, an empty string, array or object.
is-fqdn - Check if a string represent a fully qualified domain name.
shurley - Parses URLs from user input (with potential typos in protocols, bad copy+paste, etc.) and returns a proper URL.