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| import { exec } from 'teen_process';
let touchEnrollMenuKeys = ['Toggle Enrolled State', 'Touch ID Enrolled'];
const touchEnrollBackupsStack = [];
const NS_USER_KEY_EQUIVALENTS = 'NSUserKeyEquivalents';
const TOUCH_ENROLL_KEY_CODE = '@~$^t';
async function setTouchEnrollKey () {
await backupTouchEnrollShortcuts();
for (let key of touchEnrollMenuKeys) {
await setUserDefault(NS_USER_KEY_EQUIVALENTS, key, TOUCH_ENROLL_KEY_CODE);
}
}
async function setTouchEnrollKeys (pairs) {
for (let [key, value] of pairs) {
await setUserDefault(NS_USER_KEY_EQUIVALENTS, key, value);
}
}
async function getTouchEnrollKeys () {
let backups = [];
for (let key of touchEnrollMenuKeys) {
backups.push([key, await getUserDefault(NS_USER_KEY_EQUIVALENTS, key)]);
}
return backups;
}
/**
* Get MacOS User Defaults by domain and key (for reference: `man defaults`)
* @param {*} domain {string}
* @param {*} key {string|number|boolean}
*/
async function getUserDefault (domain, key) {
let res;
try {
// If it doesn't find anything for this domain, it will throw an error so return undefined
res = await exec('defaults', ['read', 'Apple Global Domain', domain]);
} catch (stderr) {
return;
}
let stdout = res.stdout;
// Parse the result into a Javascript array
let nsUserKeyArr = stdout.trim()
.replace(/^{/, '') // Remove leading {
.replace(/}$/, '') // Remove trailing }
.trim()
.replace(/;$/, '') // Remove trailing semicolon
.split(';') // Break up expressions by semicolon
.map((expr) => {
let [key, value] = expr.split('=');
key = key.trim().replace(/^"/, '').replace(/"$/, '');
value = value.trim().replace(/^"/, '').replace(/"$/, '');
return [key, value];
});
for (let [testKey, value] of nsUserKeyArr) {
if (testKey === key) {
return value.replace(/\\\\/g, '\\');
}
}
}
/**
* Sets a MacOS User Default value on a domain
* @param {*} domain
* @param {*} key
* @param {*} value
*/
async function setUserDefault (domain, key, value) {
await exec('defaults', ['write', 'Apple Global Domain', domain, '-dict-add', key, typeof value === 'undefined' ? 'nil' : value]);
}
/**
* Backup current values of user defaults and store them into an internal variable.
* Only one backup can be stored. All the further calls to this method will be ignored unless
* {#restoreTouchEnrollShortcuts} is called.
*/
async function backupTouchEnrollShortcuts () {
if (!touchEnrollBackupsStack.length) {
touchEnrollBackupsStack.push(await getTouchEnrollKeys());
}
}
/**
* Restore the user defaults previously preserved by {#backupTouchEnrollShortcuts}.
* Only one backup can be preserved. Multiple calls to this method
* will have no effect if the backup has already been restored or hasn't been made.
*/
async function restoreTouchEnrollShortcuts () {
if (touchEnrollBackupsStack.length) {
const preservedKeys = touchEnrollBackupsStack.pop();
if (preservedKeys) {
await setTouchEnrollKeys(preservedKeys);
}
}
}
function getTouchEnrollBackups () {
return touchEnrollBackupsStack.length ? touchEnrollBackupsStack[touchEnrollBackupsStack.length - 1] : undefined;
}
export { setTouchEnrollKey, getTouchEnrollKeys, setTouchEnrollKeys, getUserDefault, setUserDefault, getTouchEnrollBackups,
touchEnrollMenuKeys, backupTouchEnrollShortcuts, restoreTouchEnrollShortcuts,
NS_USER_KEY_EQUIVALENTS, TOUCH_ENROLL_KEY_CODE};
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