RecentLibraries.js

'use strict'

let RecentLibraries = function (context, workspace) {
  this.context = context
  this.workspace = workspace
  this.key = 'recentLibraries'
  this.libraries = this.context.globalState.get(this.key, [])
}

RecentLibraries.prototype.add = function (library) {
  // Remove library if it already exists in array
  for (let index in this.libraries) {
    // Match found, remove it from the array
    if (library.libraryName === this.libraries[index].libraryName && library.version === this.libraries[index].version) {
      this.libraries.splice(index, 1)
      break
    }
  }
  // Add new library to the front of the array
  this.libraries.unshift(library)

  const config = this.workspace.getConfiguration('cdnjs')

  // Limit to maxium number of recent libraries according to configuration
  let max = config.get('maxRecentLibraries')
  max = (Number.isInteger(max) === true && max >= 1) ? max : config.inspect('maxRecentLibraries').defaultValue
  this.libraries = this.libraries.slice(0, max)

  return this.context.globalState.update(this.key, this.libraries)
}

RecentLibraries.prototype.get = function () {
  return this.libraries
}

RecentLibraries.prototype.clear = function () {
  this.libraries = []
  return this.context.globalState.update(this.key, this.libraries)
}

module.exports = RecentLibraries