wp enqueue script - Action hooked on wp_enqueue_scripts running twice

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I disabled all plugins on my wordpress and keept only my very simple theme active. On functions.php I let running the following code:

add_action( 'wp_enqueue_scripts', function() {
    // Omitted some code - Here I just call a custom function to print logs
    wp_debug_backtrace_summary(); // Just indicating that I call this function on log

    // The script exists and is correctly added to the frontend
    wp_enqueue_script( 'main-script', get_stylesheet_directory_uri() . '/assets/js/scripts.js', array('jquery'), '1.0', true );
}, 101 );

On the log, I get that this function run twice - you can see above two payloads from wp_debug_backtrace_summary():

[2020-02-10 20:58:37 - ...\wp-content\themes\storms-theme\services\storms-assets.php at "backtrace" on line 42] 
    == Funcao de teste ===================================
    Array
(
    [0] => StormsFramework\Helper::backtrace
    [1] => {closure}
    [2] => WP_Hook->apply_filters
    [3] => WP_Hook->do_action
    [4] => do_action('wp_enqueue_scripts')
    [5] => wp_enqueue_scripts
    [6] => WP_Hook->apply_filters
    [7] => WP_Hook->do_action
    [8] => do_action('wp_head')
    [9] => wp_head
    [10] => require('/themes/storms-theme/template-parts/head.php')
    [11] => load_template
    [12] => locate_template
    [13] => get_template_part
    [14] => require_once('/themes/storms-theme/header.php')
    [15] => load_template
    [16] => locate_template
    [17] => get_header
    [18] => include('/themes/storms-theme/page.php')
    [19] => require_once('wp-includes/template-loader.php')
    [20] => require('wp-blog-header.php')
)


=====================================================================

[2020-02-10 20:58:37 - ...\wp-content\themes\storms-theme\services\storms-assets.php at "backtrace" on line 42] 
    == Funcao de teste ===================================
    Array
(
    [0] => StormsFramework\Helper::backtrace
    [1] => {closure}
    [2] => WP_Hook->apply_filters
    [3] => WP_Hook->do_action
    [4] => do_action('wp_enqueue_scripts')
    [5] => wp_enqueue_scripts
    [6] => WP_Hook->apply_filters
    [7] => WP_Hook->do_action
    [8] => do_action('wp_head')
    [9] => wp_head
    [10] => require('/themes/storms-theme/template-parts/head.php')
    [11] => load_template
    [12] => locate_template
    [13] => get_template_part
    [14] => require_once('/themes/storms-theme/header.php')
    [15] => load_template
    [16] => locate_template
    [17] => get_header
    [18] => include('/themes/storms-theme/index.php')
    [19] => require_once('wp-includes/template-loader.php')
    [20] => require('wp-blog-header.php')
)

I notice the item 18 on both backtrace are different:

[18] => include('/themes/storms-theme/page.php')
[18] => include('/themes/storms-theme/index.php')

If I comment the code line that enqueue the script wp_enqueue_script( 'main-script', ... ) The payload I get says my function run only once!

[2020-02-10 21:13:21 - ...\wp-content\themes\storms-theme\services\storms-assets.php at "backtrace" on line 42] 
    == Funcao de teste ===================================
    Array
(
    [0] => StormsFramework\Helper::backtrace
    [1] => {closure}
    [2] => WP_Hook->apply_filters
    [3] => WP_Hook->do_action
    [4] => do_action('wp_enqueue_scripts')
    [5] => wp_enqueue_scripts
    [6] => WP_Hook->apply_filters
    [7] => WP_Hook->do_action
    [8] => do_action('wp_head')
    [9] => wp_head
    [10] => require('/themes/storms-theme/template-parts/head.php')
    [11] => load_template
    [12] => locate_template
    [13] => get_template_part
    [14] => require_once('/themes/storms-theme/header.php')
    [15] => load_template
    [16] => locate_template
    [17] => get_header
    [18] => include('/themes/storms-theme/page.php')
    [19] => require_once('wp-includes/template-loader.php')
    [20] => require('wp-blog-header.php')
)

I have no idea what is wrong here. Why is running twice?

本文标签： wp enqueue scriptAction hooked on wpenqueuescripts running twice