ng-keyboard-shortcuts
Version:
Dead Simple Keyboard Shortcuts Management for Angular 2+
132 lines • 11.4 kB
JavaScript
import { invert } from './utils';
const isMac = typeof navigator !== 'undefined' ? navigator.userAgent.includes('Mac OS') : false;
export const modifiers = {
shift: 'shiftKey',
ctrl: 'ctrlKey',
alt: 'altKey',
cmd: isMac ? 'metaKey' : 'ctrlKey',
command: isMac ? 'metaKey' : 'ctrlKey',
meta: isMac ? 'metaKey' : 'ctrlKey',
'left command': 'metaKey',
'right command': 'MetaRight',
'⌘': isMac ? 'metaKey' : 'ctrlKey',
option: 'altKey',
ctl: 'ctrlKey',
control: 'ctrlKey'
};
export const _SPECIAL_CASES = {
plus: '+'
};
export const symbols = {
cmd: isMac ? '⌘' : 'Ctrl',
command: isMac ? '⌘' : 'Ctrl',
'left command': isMac ? '⌘' : 'Ctrl',
'right command': isMac ? '⌘' : 'Ctrl',
option: isMac ? '⌥' : 'Alt',
plus: '+',
left: '←',
right: '→',
up: '↑',
down: '↓',
alt: isMac ? '⌥' : 'Alt',
ctrl: 'Ctrl',
control: 'Ctrl',
shift: '⇧'
};
export const _MAP = {
8: 'backspace',
9: 'tab',
13: 'enter',
16: 'shift',
17: ['ctrl', 'control'],
18: 'alt',
20: 'capslock',
27: ['esc', 'escape'],
32: ['space', 'spc'],
33: 'pageup',
34: 'pagedown',
35: 'end',
36: 'home',
37: 'left',
38: 'up',
39: 'right',
40: 'down',
45: 'ins',
46: 'del',
91: ['meta', 'cmd', 'command'],
93: ['meta', 'cmd', 'command'],
224: ['meta', 'cmd', 'command']
};
/*
* mapping for special characters so they can support
*
* this dictionary is only used incase you want to bind a
* keyup or keydown event to one of these keys
*
*/
export const _KEYCODE_MAP = {
106: '*',
107: '+',
109: '-',
110: '.',
111: '/',
186: ';',
187: '=',
188: ',',
189: '-',
190: '.',
191: '/',
192: '`',
219: '[',
220: '\\',
221: ']',
222: '\''
};
/**
* this is a mapping of keys that require shift on a US keypad
* back to the non shift equivelents
*
* this is so you can use keyup events with these keys
*
* note that this will only work reliably on US keyboards
*
*/
export const _SHIFT_MAP = {
'`': '~',
'1': '!',
'2': '@',
'3': '#',
'4': '$',
'5': '%',
'6': '^',
'7': '&',
'8': '*',
'9': '(',
'0': ')',
'-': '_',
'=': '+',
';': ':',
'\'': '"',
',': '<',
'.': '>',
'/': '?',
'\\': '|'
};
export const _INVERTED_SHIFT_MAP = invert(_SHIFT_MAP);
/**
* loop through the f keys, f1 to f19 and add them to the map
* programatically
*/
for (let i = 1; i < 20; ++i) {
_MAP[111 + i] = 'f' + i;
}
/**
* loop through to map numbers on the numeric keypad
*/
for (let i = 0; i <= 9; ++i) {
// This needs to use a string cause otherwise since 0 is falsey
// event will never fire for numpad 0 pressed as part of a keydown
// event.
_MAP[i + 96] = i.toString();
}
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'metaKey' : 'ctrlKey',\n    command: isMac ? 'metaKey' : 'ctrlKey',\n    meta: isMac ? 'metaKey' : 'ctrlKey',\n    'left command': 'metaKey',\n    'right command': 'MetaRight',\n    '⌘': isMac ? 'metaKey' : 'ctrlKey',\n    option: 'altKey',\n    ctl: 'ctrlKey',\n    control: 'ctrlKey'\n};\nexport const _SPECIAL_CASES = {\n    plus: '+'\n};\n\nexport const symbols = {\n    cmd: isMac ? '⌘' : 'Ctrl',\n    command: isMac ? '⌘' : 'Ctrl',\n    'left command': isMac ? '⌘' : 'Ctrl',\n    'right command': isMac ? '⌘' : 'Ctrl',\n    option: isMac ? '⌥' : 'Alt',\n    plus: '+',\n    left: '←',\n    right: '→',\n    up: '↑',\n    down: '↓',\n    alt: isMac ? '⌥' : 'Alt',\n    ctrl: 'Ctrl',\n    control: 'Ctrl',\n    shift: '⇧'\n};\n\nexport const _MAP = {\n    8: 'backspace',\n    9: 'tab',\n    13: 'enter',\n    16: 'shift',\n    17: ['ctrl', 'control'],\n    18: 'alt',\n    20: 'capslock',\n    27: ['esc', 'escape'],\n    32: ['space', 'spc'],\n    33: 'pageup',\n    34: 'pagedown',\n    35: 'end',\n    36: 'home',\n    37: 'left',\n    38: 'up',\n    39: 'right',\n    40: 'down',\n    45: 'ins',\n    46: 'del',\n    91: ['meta', 'cmd', 'command'],\n    93: ['meta', 'cmd', 'command'],\n    224: ['meta', 'cmd', 'command']\n};\n\n/*\n * mapping for special characters so they can support\n *\n * this dictionary is only used incase you want to bind a\n * keyup or keydown event to one of these keys\n *\n */\nexport const _KEYCODE_MAP = {\n    106: '*',\n    107: '+',\n    109: '-',\n    110: '.',\n    111: '/',\n    186: ';',\n    187: '=',\n    188: ',',\n    189: '-',\n    190: '.',\n    191: '/',\n    192: '`',\n    219: '[',\n    220: '\\\\',\n    221: ']',\n    222: '\\''\n};\n\n/**\n * this is a mapping of keys that require shift on a US keypad\n * back to the non shift equivelents\n *\n * this is so you can use keyup events with these keys\n *\n * note that this will only work reliably on US keyboards\n *\n */\nexport const _SHIFT_MAP: Record<string, string> = {\n    '`': '~',\n    '1': '!',\n    '2': '@',\n    '3': '#',\n    '4': '$',\n    '5': '%',\n    '6': '^',\n    '7': '&',\n    '8': '*',\n    '9': '(',\n    '0': ')',\n    '-': '_',\n    '=': '+',\n    ';': ':',\n    '\\'': '\"',\n    ',': '<',\n    '.': '>',\n    '/': '?',\n    '\\\\': '|'\n};\nexport const _INVERTED_SHIFT_MAP = invert(_SHIFT_MAP);\n\n/**\n * loop through the f keys, f1 to f19 and add them to the map\n * programatically\n */\nfor (let i = 1; i < 20; ++i) {\n    _MAP[111 + i] = 'f' + i;\n}\n\n/**\n * loop through to map numbers on the numeric keypad\n */\nfor (let i = 0; i <= 9; ++i) {\n    // This needs to use a string cause otherwise since 0 is falsey\n    // event will never fire for numpad 0 pressed as part of a keydown\n    // event.\n    _MAP[i + 96] = i.toString();\n}\n"]}