public function BlazyManagerBase::getIoSettings in Blazy 8.2

Same name and namespace in other branches

1. 7 src/BlazyManagerBase.php \Drupal\blazy\BlazyManagerBase::getIoSettings()

Returns drupalSettings for IO.

Parameters

array $attach: The settings which determine what library to attach.

Return value

array The supported IO drupalSettings.

Overrides BlazyManagerInterface::getIoSettings

1 call to BlazyManagerBase::getIoSettings()

BlazyManagerBase::attach in src/BlazyManagerBase.php

Returns array of needed assets suitable for #attached property.

File

src/BlazyManagerBase.php, line 267

Class

BlazyManagerBase

Implements BlazyManagerInterface.

Namespace

Drupal\blazy

Code

public function getIoSettings(array $attach = []) {
  $io = [];
  $thold = trim($this
    ->configLoad('io.threshold')) ?: '0';
  $number = strpos($thold, '.') !== FALSE ? (double) $thold : (int) $thold;
  $thold = strpos($thold, ',') !== FALSE ? array_map('trim', explode(',', $thold)) : [
    $number,
  ];

  // Respects hook_blazy_attach_alter() for more fine-grained control.
  foreach ([
    'enabled',
    'disconnect',
    'rootMargin',
    'threshold',
  ] as $key) {
    $default = $key == 'rootMargin' ? '0px' : FALSE;
    $value = $key == 'threshold' ? $thold : $this
      ->configLoad('io.' . $key);
    $io[$key] = isset($attach['io.' . $key]) ? $attach['io.' . $key] : ($value ?: $default);
  }
  return (object) $io;
}