c3/src/api.load.ts

D3-based reusable chart library

import { Chart } from './core'

Chart.prototype.load = function(args) {
  var $$ = this.internal,
    config = $$.config
  // update xs if specified
  if (args.xs) {
    $$.addXs(args.xs)
  }
  // update names if exists
  if ('names' in args) {
    Chart.prototype.data.names.bind(this)(args.names)
  }
  // update classes if exists
  if ('classes' in args) {
    Object.keys(args.classes).forEach(function(id) {
      config.data_classes[id] = args.classes[id]
    })
  }
  // update categories if exists
  if ('categories' in args && $$.isCategorized()) {
    config.axis_x_categories = args.categories
  }
  // update axes if exists
  if ('axes' in args) {
    Object.keys(args.axes).forEach(function(id) {
      config.data_axes[id] = args.axes[id]
    })
  }
  // update colors if exists
  if ('colors' in args) {
    Object.keys(args.colors).forEach(function(id) {
      config.data_colors[id] = args.colors[id]
    })
  }
  // use cache if exists
  if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
    $$.load($$.getCaches(args.cacheIds), args.done)
    return
  }
  // unload if needed
  if (args.unload) {
    // TODO: do not unload if target will load (included in url/rows/columns)
    $$.unload(
      $$.mapToTargetIds(args.unload === true ? null : args.unload),
      function() {
        $$.loadFromArgs(args)
      }
    )
  } else {
    $$.loadFromArgs(args)
  }
}

Chart.prototype.unload = function(args) {
  var $$ = this.internal
  args = args || {}
  if (args instanceof Array) {
    args = { ids: args }
  } else if (typeof args === 'string') {
    args = { ids: [args] }
  }
  $$.unload($$.mapToTargetIds(args.ids), function() {
    $$.redraw({
      withUpdateOrgXDomain: true,
      withUpdateXDomain: true,
      withLegend: true
    })
    if (args.done) {
      args.done()
    }
  })
}