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I am currently working on adding options to the theme customizer. For the last two hours I have been trying to get the live preview working and I am trying figure out why my theme isn't loading the theme-customizer.js file needed for the live preview.

All of the options I have added to the theme-customizer work if I save it and then refresh the page. So I know it isn't an issue with the settings.

I currently have the hook to call the JS file within the customize.php file along with all of the settings for the customizer. I also have a separate theme-enqueue.php where I enqueue the other JS files for my theme.

Here is an example of the hook I am trying to call the JS file from within my customize.php file:

function mytheme_customize_preview_js() {
wp_enqueue_script( 'mytheme-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20120187', true );
}
add_action( 'customize_preview_init', 'mytheme_customize_preview_js' );

When I check the loaded javascript files within chrome, it seems to load all of the ones I need except for this one. Can anyone shed some light on the situation?

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do you want this script load in admin area? –  dipali Apr 17 '13 at 5:09
    
Did you check if the path to your file is correct? –  RRikesh Apr 17 '13 at 5:23
    
Why are you trying to load theme-customizer.js? That is not generally necessary for hooking into the Customize API. –  Chip Bennett Apr 17 '13 at 15:23

3 Answers 3

up vote 0 down vote accepted

i think your script is loaded correctly, same function is used in twentytwelve ( but your script is inside the iframe) but i can be wrong (dont know excactly how your theme is construct, maybe it's a path related issue with multiple include)

enter image description here

to see the change with no refresh you have to you use the 'transport' arguments in add_setting and get_setting in your customize_register function

$wp_customize->add_setting( 'my_setting', array( 'default' => 'setting_value', 'transport' => 'postMessage', ) );

This can be either 'refresh' (default) or 'postMessage'. Only set this to 'postMessage' if you are writing custom Javascript to control the Theme Customizer's live preview.

$wp_customize->get_setting( 'my_setting' )->transport = 'postMessage';
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Try this

function mytheme_customize_preview_js() {
wp_enqueue_script( 'mytheme-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20120187', true );
} 
add_action( 'admin_init', 'mytheme_customize_preview_js' );
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1  
Please add some explanatory context on why this would solve the OPs problem. Answers consisting of only a code block are rarely as good as they could be. If this answer would explain what an action hook is and why you suggest hooking into admin_init, it would of much better quality. That being said, note the existence of the admin_enqueue_scripts action. –  Johannes Pille Apr 17 '13 at 9:32

Probably because you're calling it from inside the init or admin_init Wordpress hook, whereas you should call it from within the after_setup_theme hook.

For example:

function mytheme_customize_preview_js() {
    wp_enqueue_script( 'mytheme-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20120187', true );
}
function my_after_setup_theme(){
    add_action( 'customize_preview_init', 'mytheme_customize_preview_js' );
}

add_action( 'after_setup_theme', 'my_after_setup_theme' );
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