Enqueue Hooks: Four Hooks, Four Different Zones — and How Not to Mix Them Up
On the surface, these five hooks all do the same thing — load CSS/JS. But four of them sound almost identical while each one runs in a different zone of the site. Mix them up, and block styles leak onto the front end where nobody asked for them, or the Gutenberg editor is left with no styling at all. Which zone each hook covers Hook Front end Admin Block editor wp_enqueue_scripts ✅ — —…
Enqueue Hooks are a set of five functions that all serve the same purpose: loading CSS and JavaScript. However, each hook operates in a different area of the site, and mixing them up can lead to styling issues or even a broken Gutenberg editor. The hooks are as follows:
1. wp_enqueue_scripts: This hook is the standard hook for loading styles and scripts that are visible on the front end of a site. An example of how to use it is shown in the source material.
2. admin_enqueue_scripts: This is a separate hook that only runs inside wp-admin. It should be used for styling and scripting that only appears within the admin area. The source material provides a good example of how to use this hook effectively, avoiding the performance issue caused by loading CSS/JS on every wp-admin screen.
3. enqueue_block_editor_assets: This hook is for styles and JavaScript files that are specific to the block editor. These should never load on the front end, and mixing them up with other hooks can lead to problems.
4. enqueue_block_assets: This is a single hook that fires both in the editor and the front end. It is the correct place for CSS when a block needs to look the same in both areas. A good example of usage is provided in the source material.
The most common mistake when using enqueue hooks is to use enqueue_block_assets instead of enqueue_block_editor_assets (or vice versa), which can result in styles showing up in the wrong place or failing to appear where they should.
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