Tweak scroll sequences

gaearon · gaearon · commit 801c20028fc8 · 2016-09-18T11:25:33.000+03:00
diff --git a/scripts/start.js b/scripts/start.js
@@ -69,10 +69,12 @@ function formatMessage(message) {
     .replace('./~/css-loader!./~/postcss-loader!', '');
 }
 
+var isFirstClear = true;
 function clearConsole() {
-  // This seems to work best on Windows and other systems.
-  // The intention is to clear the output so you can focus on most recent build.
-  process.stdout.write('\x1bc');
+  // On first run, clear completely so it doesn't show half screen on Windows.
+  // On next runs, use a different sequence that properly scrolls back.
+  process.stdout.write(isFirstClear ? '\x1bc' : '\x1b[2J\x1b[0f');
+  isFirstClear = false;
 }
 
 function setupCompiler(port, protocol) {

Original file line number	Diff line number	Diff line change
`@@ -69,10 +69,12 @@ function formatMessage(message) {`
`69`	`69`	`.replace('./~/css-loader!./~/postcss-loader!', '');`
`70`	`70`	`}`
`71`	`71`
	`72`	`+var isFirstClear = true;`
`72`	`73`	`function clearConsole() {`
`73`		`- // This seems to work best on Windows and other systems.`
`74`		`- // The intention is to clear the output so you can focus on most recent build.`
`75`		`- process.stdout.write('\x1bc');`
	`74`	`+ // On first run, clear completely so it doesn't show half screen on Windows.`
	`75`	`+ // On next runs, use a different sequence that properly scrolls back.`
	`76`	`+ process.stdout.write(isFirstClear ? '\x1bc' : '\x1b[2J\x1b[0f');`
	`77`	`+ isFirstClear = false;`
`76`	`78`	`}`
`77`	`79`
`78`	`80`	`function setupCompiler(port, protocol) {`