simulate Key Press
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.gf.qytechs.cn/scripts/451574/1095111/Key%20Press.js
!(function (moduleName, definition) {
// Whether to expose Keyvent as an AMD module or to the global object.
if (typeof define === 'function' && typeof define.amd === 'object') define(definition);
else this[moduleName] = definition();
})('keyvent', function definition () {
function contextOn (element) {
var exports = {};
exports.on = contextOn;
exports.down = function (keys) {
dispatch(element, 'keydown', keys);
};
exports.up = function (keys) {
dispatch(element, 'keyup', keys);
};
return exports;
}
function dispatch (element, type, keys) {
var event = document.createEvent('HTMLEvents');
event.initEvent(type, true, true);
keys = normalizeKeys(keys);
for (var i = 0; i < keys.length; i++) {
var keyCode = toKeyCode(keys[i]);
event.which = event.keyCode = keyCode;
if (MODIFIERS[keyCode]) event[MODIFIERS[keyCode] + 'Key'] = true;
element.dispatchEvent(event);
}
}
function normalizeKeys (keys) {
if (!keys) return [0];
if (isString(keys)) return keys.split(' ');
return [keys];
}
function isString (object) { return typeof object === 'string'; }
// Borrowed from https://github.com/madrobby/keymaster
var ALIASES = {
'⇧': 16, 'shift': 16,
'⌃': 17, 'ctrl': 17, 'control': 17,
'⌥': 18, 'alt': 18, 'option': 18,
'⌘': 91, 'command': 91,
'backspace': 8, 'tab': 9,
'clear': 12, 'enter': 13,
'return': 13, 'esc': 27,
'escape': 27, 'space': 32,
'left': 37, 'up': 38,
'right': 39, 'down': 40,
'del': 46, 'delete': 46,
'home': 36, 'end': 35,
'pageup': 33, 'pagedown': 34,
',': 188, '.': 190,
'/': 191, '`': 192,
'-': 189, '=': 187,
';': 186, '\'': 222,
'[': 219, ']': 221,
'\\': 220
};
for (key = 1; key < 20; key++) ALIASES['f' + key] = ALIASES['F' + key] = 111 + key;
var MODIFIERS = {
'16': 'shift',
'17': 'ctrl',
'18': 'alt',
'91': 'meta'
};
function toKeyCode(key) {
if (isString(key)) return ALIASES[key] || key.toUpperCase().charCodeAt(0);
return key;
}
return contextOn(document);
});