78 lines
2.5 KiB
Diff
78 lines
2.5 KiB
Diff
|
diff --git a/src/terminal.ts b/src/terminal.ts
|
||
|
|
index ec248d46a939f8a09cd669e853cefb126922c80a..c0473bc625edda7be2ade987e8aa3bd99160ce67 100644
|
||
|
|
--- a/src/terminal.ts
|
||
|
|
+++ b/src/terminal.ts
|
||
|
|
@@ -11,6 +11,7 @@ export const DEFAULT_COLS = 80;
|
||
|
|
export const DEFAULT_ROWS = 24;
|
||
|
|
export const DEFAULT_FILE = "sh";
|
||
|
|
export const DEFAULT_NAME = "xterm";
|
||
|
|
+const INITIAL_OUTPUT_BUFFER_LIMIT = 512 * 1024;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Quote a string for shell-words compatible splitting on the Rust side.
|
||
|
|
@@ -136,6 +137,8 @@ export class Terminal implements IPty {
|
||
|
|
|
||
|
|
private _readLoop = false;
|
||
|
|
private _closing = false;
|
||
|
|
+ private _hasDataSubscriber = false;
|
||
|
|
+ private _initialOutput = "";
|
||
|
|
|
||
|
|
// TextDecoder with streaming mode to properly handle UTF-8 across chunk boundaries
|
||
|
|
// Without this, multi-byte characters (like box-drawing ─) that span chunks become �
|
||
|
|
@@ -191,12 +194,29 @@ export class Terminal implements IPty {
|
||
|
|
}
|
||
|
|
|
||
|
|
get onData() {
|
||
|
|
- return this._onData.event;
|
||
|
|
+ return (listener: (data: string) => void) => {
|
||
|
|
+ const disposable = this._onData.event(listener);
|
||
|
|
+ if (!this._hasDataSubscriber) {
|
||
|
|
+ this._hasDataSubscriber = true;
|
||
|
|
+ const initialOutput = this._initialOutput;
|
||
|
|
+ this._initialOutput = "";
|
||
|
|
+ if (initialOutput) listener(initialOutput);
|
||
|
|
+ }
|
||
|
|
+ return disposable;
|
||
|
|
+ };
|
||
|
|
}
|
||
|
|
get onExit() {
|
||
|
|
return this._onExit.event;
|
||
|
|
}
|
||
|
|
|
||
|
|
+ private _emitData(data: string) {
|
||
|
|
+ if (this._hasDataSubscriber) {
|
||
|
|
+ this._onData.fire(data);
|
||
|
|
+ } else {
|
||
|
|
+ this._initialOutput = `${this._initialOutput}${data}`.slice(-INITIAL_OUTPUT_BUFFER_LIMIT);
|
||
|
|
+ }
|
||
|
|
+ }
|
||
|
|
+
|
||
|
|
/* ------------- IO methods ------------- */
|
||
|
|
|
||
|
|
write(data: string) {
|
||
|
|
@@ -235,13 +255,13 @@ export class Terminal implements IPty {
|
||
|
|
// This prevents corruption when multi-byte chars span chunk boundaries
|
||
|
|
const decoded = this._decoder.decode(buf.subarray(0, n), { stream: true });
|
||
|
|
if (decoded) {
|
||
|
|
- this._onData.fire(decoded);
|
||
|
|
+ this._emitData(decoded);
|
||
|
|
}
|
||
|
|
} else if (n === -2) {
|
||
|
|
// CHILD_EXITED - flush any remaining bytes in the decoder
|
||
|
|
const remaining = this._decoder.decode();
|
||
|
|
if (remaining) {
|
||
|
|
- this._onData.fire(remaining);
|
||
|
|
+ this._emitData(remaining);
|
||
|
|
}
|
||
|
|
const exitCode = lib.symbols.bun_pty_get_exit_code(this.handle);
|
||
|
|
this._onExit.fire({ exitCode });
|
||
|
|
@@ -250,7 +270,7 @@ export class Terminal implements IPty {
|
||
|
|
// error - flush decoder before breaking
|
||
|
|
const remaining = this._decoder.decode();
|
||
|
|
if (remaining) {
|
||
|
|
- this._onData.fire(remaining);
|
||
|
|
+ this._emitData(remaining);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
} else {
|