Function load_theme_from_json 

pub fn load_theme_from_json(json: &str) -> Result<MarkdownTheme, Error>

Function to load a markdown theme from JSON. Load a markdown theme from JSON string.

Parses a JSON string into a MarkdownTheme struct. The JSON should contain optional color mappings for markdown elements.

Arguments

• json - A JSON string containing theme configuration

Returns

A Result containing the parsed MarkdownTheme on success, or a serde_json::Error if parsing fails.

Errors

Returns an error if the JSON is malformed or contains invalid fields.

Example

use ratatui_toolkit::markdown_widget::extensions::theme::load_theme_from_json;

let json = r#"{
    "name": "custom-theme",
    "markdown_heading": { "dark": "blue", "light": "oceanBlue" },
    "markdown_code": { "dark": "green" }
}"#;

let theme = load_theme_from_json(json).expect("valid JSON");
assert_eq!(theme.name, Some("custom-theme".to_string()));