helix-term/commands: move SCRATCH_BUFFER_NAME to helix-view/document (#1091)

This way, the name is accessible everywhere `Document` and related types
are.

helix-term/src/commands.rs

@@ -13,7 +13,7 @@ use helix_core::{
 
 use helix_view::{
     clipboard::ClipboardType,
-    document::Mode,
+    document::{Mode, SCRATCH_BUFFER_NAME},
     editor::{Action, Motion},
     input::KeyEvent,
     keyboard::KeyCode,
@@ -53,8 +53,6 @@ use grep_searcher::{sinks, BinaryDetection, SearcherBuilder};
 use ignore::{DirEntry, WalkBuilder, WalkState};
 use tokio_stream::wrappers::UnboundedReceiverStream;
 
-pub const SCRATCH_BUFFER_NAME: &str = "[scratch]";
-
 pub struct Context<'a> {
     pub register: Option<char>,
     pub count: Option<NonZeroUsize>,

helix-view/src/document.rs

@@ -25,6 +25,8 @@ const BUF_SIZE: usize = 8192;
 
 const DEFAULT_INDENT: IndentStyle = IndentStyle::Spaces(4);
 
+pub const SCRATCH_BUFFER_NAME: &str = "[scratch]";
+
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum Mode {
     Normal,