If-Else tools

useIf

• description: combine multiple ifs
• returns: an array, the results of rules are in the same of their original index. true statements get the return value of their inner function, while the falses gets null.

import {  } from '@vincent-the-gamer/utils'

const  = ([
  [2 > 1, () => 'yeah, 2 > 1'], // handler will be called
  [2 === 1, () => 'yeah, 2 === 1'], // handler will not be called
])

// result is ["yeah, 2 > 1", null]

useIfElse

• description: Create a if-else chain
• returns: result of true statement or fallback result if no true statement.

import { ,  } from '@vincent-the-gamer/utils'

const  = ([
  [2 < 1, () => 'aaa'], // continue
  // @ts-expect-error
  [2 === 1, () => 'bbb'], // continue
  [2 > 1, () => 'ccc'], // true, call the func
  [, () => 'not reached'] // else（fallback)
])

// result is: "ccc"