Helps to check in the test changes, too

Josh Goldberg · Josh Goldberg · commit c974b2ced7b2 · 2018-04-17T08:57:05.000-07:00
diff --git a/src/compiler/watch.ts b/src/compiler/watch.ts
@@ -45,7 +45,7 @@ namespace ts {
     }
 
     /** @internal */
-    const screenStartingMessageCodes: number[] = [
+    export const screenStartingMessageCodes: number[] = [
         Diagnostics.Starting_compilation_in_watch_mode.code,
         Diagnostics.File_change_detected_Starting_incremental_compilation.code,
     ];
diff --git a/src/harness/unittests/tscWatchMode.ts b/src/harness/unittests/tscWatchMode.ts
@@ -124,7 +124,10 @@ namespace ts.tscWatch {
         }
 
         function getWatchDiagnosticWithoutDate(diagnostic: Diagnostic) {
-            return ` - ${flattenDiagnosticMessageText(diagnostic.messageText, host.newLine)}${host.newLine + host.newLine + host.newLine}`;
+            const newLines = contains(screenStartingMessageCodes, diagnostic.code)
+                ? `${host.newLine}${host.newLine}`
+                : host.newLine;
+            return ` - ${flattenDiagnosticMessageText(diagnostic.messageText, host.newLine)}${newLines}`;
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,7 @@ namespace ts {`
`45`	`45`	`}`
`46`	`46`
`47`	`47`	`/** @internal */`
`48`		`- const screenStartingMessageCodes: number[] = [`
	`48`	`+ export const screenStartingMessageCodes: number[] = [`
`49`	`49`	`Diagnostics.Starting_compilation_in_watch_mode.code,`
`50`	`50`	`Diagnostics.File_change_detected_Starting_incremental_compilation.code,`
`51`	`51`	`];`
Original file line number	Diff line number	Diff line change
`@@ -124,7 +124,10 @@ namespace ts.tscWatch {`
`124`	`124`	`}`
`125`	`125`
`126`	`126`	`function getWatchDiagnosticWithoutDate(diagnostic: Diagnostic) {`
`127`		- return ` - ${flattenDiagnosticMessageText(diagnostic.messageText, host.newLine)}${host.newLine + host.newLine + host.newLine}`;
	`127`	`+ const newLines = contains(screenStartingMessageCodes, diagnostic.code)`
	`128`	+ ? `${host.newLine}${host.newLine}`
	`129`	`+ : host.newLine;`
	`130`	+ return ` - ${flattenDiagnosticMessageText(diagnostic.messageText, host.newLine)}${newLines}`;
`128`	`131`	`}`
`129`	`132`	`}`
`130`	`133`