wikibase-edit/lib/utils.js

Edit Wikibase from NodeJS

const stringNumberPattern = /^(-|\+)?\d+(\.\d+)?$/
const signedStringNumberPattern = /^(-|\+)\d+(\.\d+)?$/

export const stringifyQuery = query => new URLSearchParams(query).toString()

export const isNonEmptyString = str => typeof str === 'string' && str.length > 0
export const buildUrl = (base, query) => {
  return `${base}?${stringifyQuery(query)}`
}
// helpers to simplify polymorphisms
export const forceArray = obj => {
  if (obj == null) return []
  if (!(obj instanceof Array)) return [ obj ]
  return obj
}
export const isString = str => typeof str === 'string'
export const isNumber = num => typeof num === 'number'
export const isStringNumber = str => stringNumberPattern.test(str)
export const isSignedStringNumber = str => signedStringNumberPattern.test(str)
export const isArray = array => array instanceof Array
export const isPlainObject = obj => {
  if (obj instanceof Array) return false
  if (obj === null) return false
  return typeof obj === 'object'
}
export const isntEmpty = value => value != null
export const flatten = arrays => [].concat.apply([], arrays)
export const map = (obj, fn) => {
  const aggregator = (index, key) => {
    index[key] = fn(key, obj[key])
    return index
  }
  return Object.keys(obj).reduce(aggregator, {})
}
export const values = obj => Object.keys(obj).map(key => obj[key])
export const uniq = array => Array.from(new Set(array))
export const difference = (values, excluded) => {
  return values.filter(value => !excluded.includes(value))
}
export const wait = ms => new Promise(resolve => setTimeout(resolve, ms))