77 lines
1.8 KiB
JavaScript
77 lines
1.8 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule AlertIOS
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* @flow
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*/
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'use strict';
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var RCTAlertManager = require('NativeModules').AlertManager;
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var DEFAULT_BUTTON_TEXT = 'OK';
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var DEFAULT_BUTTON = {
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text: DEFAULT_BUTTON_TEXT,
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onPress: null,
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};
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/**
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* Launches an alert dialog with the specified title and message.
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*
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* Optionally provide a list of buttons. Tapping any button will fire the
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* respective onPress callback and dismiss the alert. By default, the only
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* button will be an 'OK' button
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*
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* The last button in the list will be considered the 'Primary' button and
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* it will appear bold.
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*
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* ```
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* AlertIOS.alert(
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* 'Foo Title',
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* 'My Alert Msg',
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* [
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* {text: 'Foo', onPress: () => console.log('Foo Pressed!')},
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* {text: 'Bar', onPress: () => console.log('Bar Pressed!')},
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* ]
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* )
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* ```
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*/
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class AlertIOS {
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static alert(
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title: ?string,
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message?: ?string,
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buttons?: Array<{
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text: ?string;
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onPress: ?Function;
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}>
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): void {
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var callbacks = [];
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var buttonsSpec = [];
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title = title || '';
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message = message || '';
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buttons = buttons || [DEFAULT_BUTTON];
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buttons.forEach((btn, index) => {
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callbacks[index] = btn.onPress;
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var btnDef = {};
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btnDef[index] = btn.text || DEFAULT_BUTTON_TEXT;
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buttonsSpec.push(btnDef);
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});
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RCTAlertManager.alertWithArgs({
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title,
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message,
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buttons: buttonsSpec,
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}, (id) => {
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var cb = callbacks[id];
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cb && cb();
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});
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}
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}
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module.exports = AlertIOS;
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