Localize scripts enqueued with PHP API

To enqueue with the wpackio/enqueue composer package, you need to do something like this.

$enqueue = new \WPackio\Enqueue( 'appName', 'dist', '1.0.0', 'plugin', PLUGIN_PATH );
$assets = $enqueue->enqueue( 'app', 'main', [
	'js' => true,
	'css' => true,
	'js_dep' => [],
	'css_dep' => [],
	'in_footer' => true,
	'media' => 'all',
] );

Now if you store the return value of enqueue, ($assets in the example), you will get the handle and URL of all the assets. Like

[
	'js' => [
		[
			'handle' => 'wpackio_fooapp_path/to/foo.js_script',
			'url' => 'http://example.com/path/to/foo.js',
		],
		[
			'handle' => 'wpackio_fooapp_path/to/bar.js_script',
			'url' => 'http://example.com/path/to/bar.js',
		],
	],
	'css' => [
		[
			'handle' => 'wpackio_fooapp_path/to/foo.css_style',
			'url' => 'http://example.com/path/to/foo.css',
		],
		[
			'handle' => 'wpackio_fooapp_path/to/bar.css_style',
			'url' => 'http://example.com/path/to/bar.css',
		],
	],
];

Now the last item of each js and css arrays is the final handle where you would want to attach localize_script. So something like

$entry_point = array_pop( $assets['js'] );
wp_localize_script( $entry_point['handle'], 'objectName', $localization );

The same concept is true for getAssets, enqueue and register methods.

Localize scripts enqueued with PHP API

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