[eas-cli] Add CHANGELOG entry

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

CHANGELOG.md

@@ -10,6 +10,8 @@ This is the log of notable changes to EAS CLI and related packages.
 
 ### 🐛 Bug fixes
 
+- [eas-cli] Stop spinners from printing their text over and over after the terminal is resized. ([#4473](https://github.com/expo/eas-cli/pull/4473) by [@szdziedzic](https://github.com/szdziedzic))
+
 ### 🧹 Chores
 
 ## [24.8.0](https://github.com/expo/eas-cli/releases/tag/v24.8.0) - 2026-09-24

packages/eas-cli/src/__tests__/ora-test.ts

@@ -0,0 +1,36 @@
+jest.unmock('ora');
+
+import { ora } from '../ora';
+
+function createFakeTtyStream(columns: number): NodeJS.WriteStream & { clearedLines: number } {
+  return {
+    isTTY: true,
+    columns,
+    clearedLines: 0,
+    write: jest.fn(),
+    moveCursor: jest.fn(),
+    cursorTo: jest.fn(),
+    clearLine(this: { clearedLines: number }) {
+      this.clearedLines++;
+    },
+  } as unknown as NodeJS.WriteStream & { clearedLines: number };
+}
+
+describe(ora, () => {
+  it('clears all wrapped lines after the terminal gets narrower', () => {
+    const stream = createFakeTtyStream(200);
+    const spinner = ora({ text: 'x'.repeat(100), stream, isEnabled: true });
+
+    spinner.render();
+    spinner.render();
+    expect(stream.clearedLines).toBe(1);
+
+    stream.columns = 40;
+    // The frame on screen was written at the old width, so it is cleared with the old line count.
+    spinner.render();
+    stream.clearedLines = 0;
+    spinner.render();
+    // "- " + 100 characters wraps to 3 lines at 40 columns.
+    expect(stream.clearedLines).toBe(3);
+  });
+});

packages/eas-cli/src/ora.ts

@@ -41,6 +41,16 @@ export function ora(options?: Options | string): Ora {
   const oraStart = spinner.start.bind(spinner);
   const oraStop = spinner.stop.bind(spinner);
   const oraStopAndPersist = spinner.stopAndPersist.bind(spinner);
+  const oraRender = spinner.render.bind(spinner);
+
+  spinner.render = (): Ora => {
+    // ora only recalculates how many terminal lines the text wraps to when the text changes.
+    // After the terminal is resized, the stale count makes every frame clear too few lines,
+    // so the spinner text gets printed over and over. Setting the text recalculates the count.
+    const { text } = spinner;
+    spinner.text = text;
+    return oraRender();
+  };
 
   const logWrap = (method: any, args: any[]): void => {
     oraStop();