Add elvish widget

docs/installation.md

@@ -85,6 +85,9 @@ eval "$(navi widget zsh)"
 
 # fish
 navi widget fish | source
+
+# elvish
+eval (navi widget elvish | slurp)
 ```
 
 By default, `Ctrl+G` is assigned to launching **navi**.

shell/navi.plugin.elv

@@ -0,0 +1,31 @@
+use str
+
+fn call-navi []{
+  if (eq $edit:current-command '') {
+    answer = (navi --print)
+    edit:replace-input $answer
+  } elif (not (str:contains-any $edit:current-command '|')) {
+    answer = (navi --print --query $edit:current-command)
+    if (not-eq $answer '') {
+      edit:replace-input $answer
+    }
+  } else {
+    cmds = [(str:split '|' $edit:current-command)]
+    qty = (- (count $cmds) 1)
+    query = (all $cmds | drop $qty)
+    cmds = [(all $cmds | take $qty)]
+    answer = ''
+    if (eq $query '') {
+      answer = (navi --print)
+    } else {
+      answer = (navi --print --query $query)
+    }
+
+    if (not-eq $answer '') {
+      cmds = [$@cmds $answer]
+      edit:replace-input (str:join '| ' $cmds)
+    }
+  }
+}
+
+edit:insert:binding[Alt-h] = []{ call-navi >/dev/tty 2>&1 }

src/config/cli.rs

@@ -9,7 +9,7 @@ use clap::{crate_version, AppSettings, Clap};
 use std::str::FromStr;
 
 const FINDER_POSSIBLE_VALUES: &[&str] = &["fzf", "skim"];
-const WIDGET_POSSIBLE_VALUES: &[&str] = &["bash", "zsh", "fish"];
+const WIDGET_POSSIBLE_VALUES: &[&str] = &["bash", "zsh", "fish", "elvish"];
 const FUNC_POSSIBLE_VALUES: &[&str] = &["url::open", "welcome", "widget::last_command", "map::expand"];
 const INFO_POSSIBLE_VALUES: &[&str] = &["cheats-example", "cheats-path", "config-path", "config-example"];
 
@@ -21,6 +21,7 @@ impl FromStr for Shell {
             "bash" => Ok(Shell::Bash),
             "zsh" => Ok(Shell::Zsh),
             "fish" => Ok(Shell::Fish),
+            "elvish" => Ok(Shell::Elvish),
             _ => Err("no match"),
         }
     }

src/handler/shell.rs

@@ -6,6 +6,7 @@ pub fn main(shell: &Shell) -> Result<()> {
         Shell::Bash => include_str!("../../shell/navi.plugin.bash"),
         Shell::Zsh => include_str!("../../shell/navi.plugin.zsh"),
         Shell::Fish => include_str!("../../shell/navi.plugin.fish"),
+        Shell::Elvish => include_str!("../../shell/navi.plugin.elv"),
     };
 
     println!("{}", content);

src/shell.rs

@@ -12,6 +12,7 @@ pub enum Shell {
     Bash,
     Zsh,
     Fish,
+    Elvish,
 }
 
 #[derive(Error, Debug)]

tests/run

@@ -158,6 +158,7 @@ test::set_suite "widget"
 test::run "bash" _navi_widget "bash"
 test::run "zsh" _navi_widget "zsh"
 test::run "zsh" _navi_widget "fish"
+test::run "elvish" _navi_widget "elvish"
 
 test::set_suite "3rd party"
 test::run "tldr" _navi_tldr