alert

Thin wrappers around the browser's alert, confirm, and prompt dialogs.

Import: @rtorcato/browser-common/alert

📖 MDN: Window.alert()

showAlert, showConfirm, and showPrompt all throw a requires a browser environment error when called outside a browser (no window) — there is no feature-check function, so guard with your own environment check if you might run this code server-side.

Browser support

API	Chrome	Edge	Firefox	Safari	iOS Safari	Baseline
Window.alert	✅ 1+ [1]	✅ 12+	✅ 1+	✅ 1+	✅ 1+	Widely available
Window.confirm	✅ 1+ [1]	✅ 12+	✅ 1+	✅ 1+	✅ 1+	Widely available
Window.prompt	✅ 1+ [1]	✅ 12+	✅ 1+ [2]	✅ 1+	✅ 1+	Widely available

1. Chrome: Starting with Chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.
2. Firefox: Firefox strips newline characters from the prompt response; see bug 1716229.

✅ supported · ◐ partial · ❌ not supported · [n] see note. Generated from MDN browser-compat-data and web-features. caniuse: Window.alert · Window.confirm · Window.prompt

Example

import { showAlert, showConfirm, showPrompt } from '@rtorcato/browser-common/alert'

showAlert('Saved!')

if (showConfirm('Delete item?')) {
  deleteItem()
}

const name = showPrompt('Your name?', 'Anon')

Exports

• showAlert(message) — shows an alert dialog
• showConfirm(message) — shows a confirm dialog, returns true if OK was clicked
• showPrompt(message, defaultValue?) — shows a prompt dialog, returns the input or null

See the API reference for full signatures.