fix(cli): fix theme key loading from config.json, closes #1232

cli/config/src/lib.rs

@@ -14,6 +14,7 @@ use std::{env, fs};
 /// This type holds the generic JSON content of the configuration file.  Individual tree-sitter
 /// components will use the [`get`][] method to parse that JSON to extract configuration fields
 /// that are specific to that component.
+#[derive(Debug)]
 pub struct Config {
     pub location: PathBuf,
     pub config: Value,

cli/src/main.rs

@@ -418,11 +418,10 @@ fn run() -> Result<()> {
 
                 if let Some(highlight_config) = language_config.highlight_config(language)? {
                     let source = fs::read(path)?;
-                    let theme_config = config.get()?;
                     if html_mode {
                         highlight::html(
                             &loader,
-                            &theme_config,
+                            &theme_config.theme,
                             &source,
                             highlight_config,
                             quiet,
@@ -431,7 +430,7 @@ fn run() -> Result<()> {
                     } else {
                         highlight::ansi(
                             &loader,
-                            &theme_config,
+                            &theme_config.theme,
                             &source,
                             highlight_config,
                             time,