// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* Regular expression to check for all variants of blu[e]toot[h] with or without
* space between the words; for BT when used as an individual word, or as two
* individual characters, and for BLE, BlueZ, and Floss when used as an
* individual word. Case insensitive matching.
*/
export const BT_REGEX: RegExp = new RegExp(
'blu[e]?[ ]?toot[h]?|\\bb[ ]?t\\b|\\bble\\b|\\bfloss\\b|\\bbluez\\b', 'i');
/**
* Regular expression to check for wifi-related keywords.
*/
export const WIFI_REGEX: RegExp =
buildWordMatcher(['wifi', 'wi-fi', 'internet', 'network', 'hotspot']);
/**
* Regular expression to check for cellular-related keywords.
*/
export const CELLULAR_REGEX: RegExp = buildWordMatcher([
'2G', '3G', '4G', '5G', 'LTE', 'UMTS',
'SIM', 'eSIM', 'mmWave', 'mobile', 'APN', 'IMEI',
'IMSI', 'eUICC', 'carrier', 'T.Mobile', 'TMO', 'Verizon',
'VZW', 'AT&T', 'MVNO', 'pin.lock', 'cellular',
]);
/**
* Regular expression to check for display-related keywords.
*/
export const DISPLAY_REGEX = buildWordMatcher([
'display',
'displayport',
'hdmi',
'monitor',
'panel',
'screen',
]);
/**
* Regular expression to check for USB-related keywords.
*/
export const USB_REGEX = buildWordMatcher([
'USB',
'USB-C',
'Type-C',
'TypeC',
'USBC',
'USBTypeC',
'USBPD',
'hub',
'charger',
'dock',
]);
/**
* Regular expression to check for thunderbolt-related keywords.
*/
export const THUNDERBOLT_REGEX = buildWordMatcher([
'Thunderbolt',
'Thunderbolt3',
'Thunderbolt4',
'TBT',
'TBT3',
'TBT4',
'TB3',
'TB4',
]);
/**
* Regular expression to check for all strings indicating that a user can't
* connect to a HID or Audio device. This is also a likely indication of a
* Bluetooth related issue.
* Sample strings this will match:
* "I can't connect the speaker!",
* "The keyboard has connection problem."
*/
export const CANNOT_CONNECT_REGEX: RegExp = new RegExp(
'((headphone|keyboard|mouse|speaker)((?!(connect|pair)).*)(connect|pair))' +
'|((connect|pair).*(headphone|keyboard|mouse|speaker))',
'i');
/**
* Regular expression to check for "tether" or "tethering". Case insensitive
* matching.
*/
export const TETHER_REGEX: RegExp = new RegExp('tether(ing)?', 'i');
/**
* Regular expression to check for "Smart (Un)lock" or "Easy (Un)lock" with or
* without space between the words. Case insensitive matching.
*/
export const SMART_LOCK_REGEX: RegExp =
new RegExp('(smart|easy)[ ]?(un)?lock', 'i');
/**
* Regular expression to check for keywords related to Nearby Share like
* "nearby (share)" or "phone (hub)".
* Case insensitive matching.
*/
export const NEARBY_SHARE_REGEX: RegExp = new RegExp('nearby|phone', 'i');
/**
* Regular expression to check for keywords related to Fast Pair like
* "fast pair".
* Case insensitive matching.
*/
export const FAST_PAIR_REGEX: RegExp = new RegExp('fast[ ]?pair', 'i');
/**
* Regular expression to check for Bluetooth device specific keywords.
*/
export const BT_DEVICE_REGEX =
buildWordMatcher(['apple', 'allegro', 'pixelbud', 'microsoft', 'sony']);
/**
* Builds a RegExp that matches one of the given words. Each word has to match
* at word boundary and is not at the end of the tested string. For example,
* the word "SIM" would match the string "I have a sim card issue" but not
* "I have a simple issue" nor "I have a sim" (because the user might not have
* finished typing yet).
* @param words The words to match.
*/
function buildWordMatcher(words: string[]): RegExp {
return new RegExp(
words.map((word) => '\\b' + word + '\\b[^$]').join('|'), 'i');
}
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