koa-i18next-middleware/src/utils.js

An i18next middleware for koa2 framework.

export function setPath(object, path, newValue) {
  let stack
  if (typeof path !== 'string') stack = [].concat(path)
  if (typeof path === 'string') stack = path.split('.')

  while (stack.length > 1) {
    let key = stack.shift()
    if (key.indexOf('###') > -1) key = key.replace(/###/g, '.')
    if (!object[key]) object[key] = {}
    object = object[key]
  }

  let key = stack.shift()
  if (key.indexOf('###') > -1) key = key.replace(/###/g, '.')
  object[key] = newValue
}

let arr = []
let each = arr.forEach
let slice = arr.slice

export function defaults(obj) {
  each.call(slice.call(arguments, 1), function(source) {
    if (source) {
      for (var prop in source) {
        if (obj[prop] === undefined) obj[prop] = source[prop]
      }
    }
  })
  return obj
}

export function extend(obj) {
  each.call(slice.call(arguments, 1), function(source) {
    if (source) {
      for (var prop in source) {
        obj[prop] = source[prop]
      }
    }
  })
  return obj
}

export function removeLngFromUrl(url, lookupFromPathIndex) {
  let first = ''
  let pos = lookupFromPathIndex

  if (url[0] === '/') {
    pos++
    first = '/'
  }

  // Build new url
  let parts = url.split('/')
  parts.splice(pos, 1)
  url = parts.join('/')
  if (url[0] !== '/') url = first + url

  return url
}