From ded68aba7302488c1e41214766017f9f5a9a2d86 Mon Sep 17 00:00:00 2001
From: Casper Beyer <caspervonb@pm.me>
Date: Sun, 28 Feb 2021 23:28:02 +0800
Subject: [PATCH] chore(runtime): remove rustyline dependency (#9625)

---
 Cargo.lock         |  1 -
 runtime/Cargo.toml |  1 -
 runtime/errors.rs  | 17 -----------------
 3 files changed, 19 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 2213669516..cb03ac66b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -554,7 +554,6 @@ dependencies = [
  "percent-encoding",
  "regex",
  "ring",
- "rustyline",
  "serde",
  "sys-info",
  "termcolor",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 091e0340d7..cdae5a40cc 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -49,7 +49,6 @@ notify = "5.0.0-pre.4"
 percent-encoding = "2.1.0"
 regex = "1.4.3"
 ring = "0.16.20"
-rustyline = { version = "7.1.0", default-features = false }
 serde = { version = "1.0.123", features = ["derive"] }
 sys-info = "0.8.0"
 termcolor = "1.1.2"
diff --git a/runtime/errors.rs b/runtime/errors.rs
index 7c497ef32f..b3d4745043 100644
--- a/runtime/errors.rs
+++ b/runtime/errors.rs
@@ -14,7 +14,6 @@ use deno_core::serde_json;
 use deno_core::url;
 use deno_core::ModuleResolutionError;
 use deno_fetch::reqwest;
-use rustyline::error::ReadlineError;
 use std::env;
 use std::error::Error;
 use std::io;
@@ -82,18 +81,6 @@ fn get_notify_error_class(error: &notify::Error) -> &'static str {
   }
 }
 
-fn get_readline_error_class(error: &ReadlineError) -> &'static str {
-  use ReadlineError::*;
-  match error {
-    Io(err) => get_io_error_class(err),
-    Eof => "UnexpectedEof",
-    Interrupted => "Interrupted",
-    #[cfg(unix)]
-    Errno(err) => get_nix_error_class(err),
-    _ => unimplemented!(),
-  }
-}
-
 fn get_regex_error_class(error: &regex::Error) -> &'static str {
   use regex::Error::*;
   match error {
@@ -187,10 +174,6 @@ pub fn get_error_class_name(e: &AnyError) -> Option<&'static str> {
       e.downcast_ref::<notify::Error>()
         .map(get_notify_error_class)
     })
-    .or_else(|| {
-      e.downcast_ref::<ReadlineError>()
-        .map(get_readline_error_class)
-    })
     .or_else(|| {
       e.downcast_ref::<reqwest::Error>()
         .map(get_request_error_class)