Use variable for max repl history length

Author: ning-y

src/reducers/states.ts

@@ -71,6 +71,8 @@ type ReplHistory = {
   records: string[]
 }
 
+export const maxBrowseIndex = 50
+
 /**
  * An output while the program is still being run in the interpreter. As a
  * result, there are no return values or SourceErrors yet. However, there could

src/reducers/workspaces.ts

@@ -12,8 +12,10 @@ import {
   CLEAR_REPL_INPUT,
   CLEAR_REPL_OUTPUT,
   END_INTERRUPT_EXECUTION,
+  EVAL_EDITOR,
   EVAL_INTERPRETER_ERROR,
   EVAL_INTERPRETER_SUCCESS,
+  EVAL_REPL,
   HANDLE_CONSOLE_LOG,
   IAction,
   RESET_ASSESSMENT_WORKSPACE,
@@ -34,7 +36,8 @@ import {
   defaultWorkspaceManager,
   externalLibraries,
   InterpreterOutput,
-  IWorkspaceManagerState
+  IWorkspaceManagerState,
+  maxBrowseIndex
 } from './states'
 
 /**
@@ -257,7 +260,7 @@ export const reducer: Reducer<IWorkspaceManagerState> = (
       } else {
         newReplHistoryRecords = state[location].replHistory.records
       }
-      if (newReplHistoryRecords.length > 50) {
+      if (newReplHistoryRecords.length > maxBrowseIndex) {
         newReplHistoryRecords.pop()
       }
       return {
@@ -279,14 +282,6 @@ export const reducer: Reducer<IWorkspaceManagerState> = (
           ...state[location]
         }
       }
-    case EVAL_REPL:
-      // Forces re-render of workspace on repl eval
-      return {
-        ...state,
-        [location]: {
-          ...state[location]
-        }
-      }
     case EVAL_INTERPRETER_SUCCESS:
       lastOutput = state[location].output.slice(-1)[0]
       if (lastOutput !== undefined && lastOutput.type === 'running') {
@@ -336,6 +331,14 @@ export const reducer: Reducer<IWorkspaceManagerState> = (
      * i.e called after the interpreter is told to stop interruption,
      * to cause UI changes.
      */
+    case EVAL_REPL:
+      // Forces re-render of workspace on repl eval
+      return {
+        ...state,
+        [location]: {
+          ...state[location]
+        }
+      }
     case END_INTERRUPT_EXECUTION:
       /**
        * Set the isRunning property of the