1 files changed, 16 insertions, 0 deletions

diff --git a/editors/code/src/commands/line_buffer.ts b/editors/code/src/commands/line_buffer.ts
new file mode 100644
index 000000000..fb5b9f7f2
--- /dev/null
+++ b/editors/code/src/commands/line_buffer.ts
@@ -0,0 +1,16 @@
+export class LineBuffer {
+    private outBuffer: string = '';
+
+    public processOutput(chunk: string, cb: (line: string) => void) {
+        this.outBuffer += chunk;
+        let eolIndex = this.outBuffer.indexOf('\n');
+        while (eolIndex >= 0) {
+            // line includes the EOL
+            const line = this.outBuffer.slice(0, eolIndex + 1);
+            cb(line);
+            this.outBuffer = this.outBuffer.slice(eolIndex + 1);
+
+            eolIndex = this.outBuffer.indexOf('\n');
+        }
+    }
+}