html

<h1>
  Beautiful
  <spoiler-span>
    spoiler effects
  </spoiler-span>|
</h1>

sh

my-script --name John --age 20

ts

import { typeFlag } from 'type-flag'

const parsed = typeFlag({
  name: String,
  age: {
    type: Number,
    alias: 'a'
  }
})

console.log(parsed.flags.name) // 'John'
console.log(parsed.flags.age) // 20

js

import { imageDimensionsFromStream } from 'image-dimensions'

// example1
const url = 'https://sindresorhus.com/unicorn'

const { body } = await fetch(url)

console.log(await imageDimensionsFromStream(body))

// example2
const data = getImage()

console.log(imageDimensionsFromData(data))
// => {width: 1920, height: 1080, type: 'png'}

js

const emojiRegex = require('emoji-regex')

const regex = emojiRegex()

for (const match of text.matchAll(regex)) {
  const emoji = match[0]
}