/**
* Prints Minify string for JS files recursively
*
* This function will traverse all script groups recursively to print scripts
* while retaining dependencies. Use actions provided to add other things
* before or after the output.
*
* @since 1.3.0
* @uses $wp_scripts
* @return void
*/
function print_scripts($position = 'header', $groups = false, $recursive = false)
{
global $wp_scripts;
if (!$recursive) {
do_action('bwp_minify_before_' . $position . '_scripts');
}
$groups = !$groups ? $this->min_scripts : $groups;
$group_position = $position;
foreach ($groups as $group_handle => $group) {
// if group is already done, no need to process anything
if (!empty($this->min_scripts[$group_handle]['done'])) {
continue;
}
if ($group['position'] == 'original' || $group['position'] == 'oblivion') {
// @since 1.3.1 if this group is handled by WordPress or is
// forgotten, do not procceed and mark as done
$this->min_scripts[$group_handle]['done'] = true;
continue;
}
// if this is not the correct position for the group
if ($group['position'] != $position) {
if ($recursive) {
return $group['position'];
} else {
continue;
}
}
// print dependencies first
$deps = array();
if (0 < sizeof($group['depend'])) {
foreach ($group['depend'] as $dep => $active) {
if (isset($this->min_scripts[$dep])) {
$deps[$dep] = $this->min_scripts[$dep];
}
}
$group_position = $this->print_scripts($position, $deps, true);
}
// resolve dependencies failed, ignore this group for now
if ($group_position != $position) {
// this group needs to move to a new position, trigger events
do_action('bwp_minify_moved_group', 'script', $group_handle, $group_position);
$this->min_scripts[$group_handle]['position'] = $group_position;
continue;
}
// print this group using minify tag
if (isset($group['string']) && 0 < sizeof($group['string'])) {
// print l10n data first if this group has any
if (isset($this->todo_l10n[$group_handle])) {
$this->print_scripts_l10n($this->todo_l10n[$group_handle]);
}
// if this is a minify string
echo $this->get_minify_tag('script', $group, $group_handle);
} else {
if (!empty($group['handle'])) {
// we control the position but not the output
$wp_scripts->do_item($group['handle']);
}
}
$this->min_scripts[$group_handle]['done'] = true;
}
if (!$recursive) {
do_action('bwp_minify_after_' . $position . '_scripts');
// save detector's log whenever we finish printing a footer batch
if (false !== strpos($position, 'footer')) {
$this->detector->commit_logs();
}
}
return $group_position;
}
