fix: remove tweet functionality if no browser available

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "thokr"
 description = "a sleek typing tui written in rust"
-version = "0.1.1"
+version = "0.1.2"
 readme = "README.md"
 repository = "https://github.com/coloradocolby/thokr.git"
 homepage = "https://github.com/coloradocolby/thokr"
@@ -19,7 +19,7 @@ serde_json = "1.0.79"
 rand = "0.8.5"
 itertools = "0.10.3"
 unicode-width = "0.1.9"
-webbrowser = "0.6.0"
+webbrowser = "0.7.1"
 crossterm = "0.23.2"
 strum_macros = "0.24.0"
 include_dir = "0.7.2"

src/main.rs

@@ -22,6 +22,7 @@ use tui::{
     backend::{Backend, CrosstermBackend},
     Frame, Terminal,
 };
+use webbrowser::Browser;
 
 /// a sleek typing tui written in rust
 #[derive(Parser, Debug, Clone)]
@@ -182,8 +183,10 @@ fn start_tui<B: Backend>(
                             }
                             true => match key.code {
                                 KeyCode::Char('t') => {
-                                    webbrowser::open(&format!("https://twitter.com/intent/tweet?text={}%20wpm%20%2F%20{}%25%20acc%20%2F%20{:.2}%20sd%0A%0Ahttps%3A%2F%2Fgithub.com%2Fcoloradocolby%2Fthokr", app.thok.wpm, app.thok.accuracy, app.thok.std_dev))
+                                    if Browser::is_available() {
+                                        webbrowser::open(&format!("https://twitter.com/intent/tweet?text={}%20wpm%20%2F%20{}%25%20acc%20%2F%20{:.2}%20sd%0A%0Ahttps%3A%2F%2Fgithub.com%2Fcoloradocolby%2Fthokr", app.thok.wpm, app.thok.accuracy, app.thok.std_dev))
                                     .unwrap_or_default();
+                                    }
                                 }
                                 KeyCode::Char('r') => {
                                     exit_type = ExitType::Restart;

src/ui.rs

@@ -6,6 +6,7 @@ use tui::{
     widgets::{Axis, Chart, Dataset, GraphType, Paragraph, Widget, Wrap},
 };
 use unicode_width::UnicodeWidthStr;
+use webbrowser::Browser;
 
 use crate::thok::{Outcome, Thok};
 
@@ -184,7 +185,11 @@ impl Widget for &Thok {
                 stats.render(chunks[1], buf);
 
                 let legend = Paragraph::new(Span::styled(
-                    String::from("(r)etry / (n)ew / (t)weet / (esc)ape"),
+                    String::from(if Browser::is_available() {
+                        "(r)etry / (n)ew / (t)weet / (esc)ape"
+                    } else {
+                        "(r)etry / (n)ew / (esc)ape"
+                    }),
                     italic_style,
                 ));