From 94f90b3424fcab9b0770e2b01c86fc5f407a33fc Mon Sep 17 00:00:00 2001
From: Jake Goulding <jake.goulding@integer32.com>
Date: Thu, 26 Apr 2018 11:47:45 -0400
Subject: [PATCH] Link to the currently-selected channel's error index

Fixes #207
---
 ui/frontend/highlighting.ts | 4 ++--
 ui/frontend/index.tsx       | 5 ++++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/ui/frontend/highlighting.ts b/ui/frontend/highlighting.ts
index bb9de5778..e66688e3d 100644
--- a/ui/frontend/highlighting.ts
+++ b/ui/frontend/highlighting.ts
@@ -1,6 +1,6 @@
 import Prism from 'prismjs';
 
-export function configureRustErrors(gotoPosition) {
+export function configureRustErrors({ gotoPosition, getChannel }) {
   Prism.languages.rust_errors = { // eslint-disable-line camelcase
     'warning': /warning:.*\n/,
     'error': {
@@ -19,7 +19,7 @@ export function configureRustErrors(gotoPosition) {
       const errorMatch = /E\d+/.exec(env.content);
       const [errorCode] = errorMatch;
       env.tag = 'a';
-      env.attributes.href = `https://doc.rust-lang.org/error-index.html#${errorCode}`;
+      env.attributes.href = `https://doc.rust-lang.org/${getChannel()}/error-index.html#${errorCode}`;
     }
     if (env.type === 'see-issue') {
       const errorMatch = /\d+/.exec(env.content);
diff --git a/ui/frontend/index.tsx b/ui/frontend/index.tsx
index dc2884725..d4ea13b57 100644
--- a/ui/frontend/index.tsx
+++ b/ui/frontend/index.tsx
@@ -20,7 +20,10 @@ const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose;
 const enhancers = composeEnhancers(middlewares, persistState(undefined, { serialize, deserialize }));
 const store = createStore(playgroundApp, enhancers);
 
-configureRustErrors((line, col) => store.dispatch(gotoPosition(line, col)));
+configureRustErrors({
+  gotoPosition: (line, col) => store.dispatch(gotoPosition(line, col)),
+  getChannel: () => store.getState().configuration.channel,
+});
 
 store.dispatch(performCratesLoad());
 store.dispatch(performVersionsLoad());