Function load_theme_file 

pub fn load_theme_file<P: AsRef<Path>>(
    path: P,
    variant: ThemeVariant,
) -> Result<AppTheme, String>

Available on crate feature theme only.

Loads an AppTheme from a JSON file path.

Reads the file contents and delegates to load_theme_str for parsing.

Arguments

• path - Path to the JSON theme file
• variant - Which theme variant (dark/light) to use

Returns

Ok(AppTheme) if the file can be read and parsed successfully, Err with a description if reading or parsing fails.

Errors

Returns an error if:

• The file cannot be read
• The JSON is malformed
• Required color keys are missing
• Color values cannot be resolved

Example

use ratatui_toolkit::services::theme::{loader, ThemeVariant};

let theme = loader::load_theme_file("themes/gruvbox.json", ThemeVariant::Dark)
    .expect("Failed to load theme");