expo-mail-composer/plugin/src/withMailComposer.ts

Provides an API to compose mails using OS specific UI

import { ConfigPlugin, createRunOncePlugin, withInfoPlist } from 'expo/config-plugins';

const pkg = require('expo-mail-composer/package.json');

/**
 * Keep the mail client URLs in sync with those in the file `ios/MailClients.swift`.
 */
const mailClientURLs: string[] = [
  'airmail',
  'message',
  'bluemail',
  'canary',
  'edisonmail',
  'szn-email',
  'fastmail',
  'x-gmxmail-netid-v1',
  'googlegmail',
  'mailrumail',
  'ms-outlook',
  'protonmail',
  'ctxmail',
  'readdle-spark',
  'superhuman',
  'telekommail',
  'tutanota',
  'x-webdemail-netid-v1',
  'ymail',
  'yandexmail',
  'appcenter-f45b4c0b-75c9-2d01-7ab6-41f6a6015be2',
  'mymail-mailto',
];

const withMailComposer: ConfigPlugin = (config) => {
  return withInfoPlist(config, (config) => {
    const existingSchemes = config.modResults.LSApplicationQueriesSchemes ?? [];
    const newSchemes = [...new Set([...existingSchemes, ...mailClientURLs])];
    config.modResults.LSApplicationQueriesSchemes = newSchemes;
    return config;
  });
};

export default createRunOncePlugin(withMailComposer, pkg.name, pkg.version);