feat(stdio): add some `tty.WriteStream` methods

1 files changed, 23 insertions, 0 deletions

diff --git a/src/bun.js/builtins/js/ProcessObjectInternals.js b/src/bun.js/builtins/js/ProcessObjectInternals.js
index 723528fec..c1898d686 100644
--- a/src/bun.js/builtins/js/ProcessObjectInternals.js
+++ b/src/bun.js/builtins/js/ProcessObjectInternals.js
@@ -191,6 +191,8 @@ function getStdioWriteStream(fd_, rawRequire) {
     return normalied === "utf8" || normalied === "utf-8" || normalied === "buffer" || normalied === "binary";
   }
 
+  var readline;
+
   var FastStdioWriteStream = class StdioWriteStream extends EventEmitter {
     #fd;
     #innerStream;
@@ -242,6 +244,27 @@ function getStdioWriteStream(fd_, rawRequire) {
       return (this.#isTTY ??= require("node:tty").isatty(this.#fd));
     }
 
+    cursorTo(x, y, callback) {
+      return (readline ??= require("readline")).cursorTo(this, x, y, callback);
+    }
+
+    moveCursor(dx, dy, callback) {
+      return (readline ??= require("readline")).moveCursor(this, dx, dy, callback);
+    }
+
+    clearLine(dir, callback) {
+      return (readline ??= require("readline")).clearLine(this, dir, callback);
+    }
+
+    clearScreenDown(callback) {
+      return (readline ??= require("readline")).clearScreenDown(this, callback);
+    }
+
+    // TODO: once implemented this.columns and this.rows should be uncommented
+    // getWindowSize() {
+    //   return [this.columns, this.rows];
+    // }
+
     ref() {
       this.#getWriter().ref();
     }