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JavaScript Leaders Demand Oracle Release the JavaScript Trademark
In an open letter, JavaScript community leaders urge Oracle to give up the JavaScript trademark, arguing that it has been effectively abandoned through nonuse.
@mamba/core
Advanced tools
Pacotes principais do mamba com alguns códigos essenciais e compartilhados.
Estenda um driver com o driver base.
import extendDriver from '@mamba/core/index.js';
/* Optional Driver wrapper path */
import wrappers from './wrappers.js';
export default extendDriver(driverTarget, wrappers);
Fornece constante da moeda no POS.
import { CURRENCY } from '@mamba/core';
CURRENCY.LIMIT; // 999999.99
Fornece os mapas-chave e nomes-chave específicos do POS.
import { KEYBOARD } from '@mamba/core';
const { KEY_NAMES, KEY_NAMES_LIST } = KEYBOARD;
KEY_NAMES.ENTER; // 'enter'
KEY_NAMES_LIST; // ['CLOSE', 'BACK', 'ENTER', 'HELP', 'SHORTCUTS', 'SPACE', 'KEYUP', 'ARROW_UP', 'KEYDOWN', 'ARROW_DOWN', 'F24', 'F23', 'KEY_0', 'KEY_1', 'KEY_2', 'KEY_3', 'KEY_4', 'KEY_5', 'KEY_6', 'KEY_7', 'KEY_8', 'KEY_9']
Values:
{
CLOSE: 'close',
BACK: 'back',
ENTER: 'enter',
HELP: 'help',
SHORTCUTS: 'shortcuts',
SPACE: 'space',
F24: 'F24',
F23: 'F23',
KEY_0: '0',
KEY_1: '1',
KEY_2: '2',
KEY_3: '3',
KEY_4: '4',
KEY_5: '5',
KEY_6: '6',
KEY_7: '7',
KEY_8: '8',
KEY_9: '9',
/**
* @deprecated Use `ARROW_UP`
*/
KEYUP: 'keyup',
ARROW_UP: 'keyup',
/**
* @deprecated Use `ARROW_DOWN`
*/
KEYDOWN: 'keydown',
ARROW_DOWN: 'keydown',
}
import { KEYBOARD } from '@mamba/core';
const { KEY_CODES, KEY_CODES_LIST } = KEYBOARD;
KEY_CODES.ENTER; // 13
KEY_CODES_LIST; // [13, 8, 8, 27, 17, 16, 134, 135, 32, 38, 40, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57]
Values:
{
BACK: 8,
ENTER: 13,
SHORTCUTS: 16,
HELP: 17,
CLOSE: 27,
SPACE: 32,
ARROW_UP: 38,
ARROW_DOWN: 40,
KEY_0: 48,
KEY_1: 49,
KEY_2: 50,
KEY_3: 51,
KEY_4: 52,
KEY_5: 53,
KEY_6: 54,
KEY_7: 55,
KEY_8: 56,
KEY_9: 57,
F23: 134,
F24: 135,
/**
* @deprecated Use `ARROW_UP`
*/
KEYUP: 38,
/**
* @deprecated Use `ARROW_DOWN`
*/
KEYDOWN: 40,
}
Códigos de chave mapeados para nomes de chave
import { KEYBOARD } from '@mamba/core';
const { KEY_MAP, KEY_NAMES, KEY_1 } = KEYBOARD;
KEY_MAP.13; // 'Enter'
KEY_MAP[KEY_NAMES.ENTER]; // 'Enter'
KEY_MAP[KEY_1]; // '1'
Values:
{
"8": "back",
"13": "enter",
"16": "shortcuts",
"17": "help",
"27": "close",
"32": "space",
"38": "keyup",
"40": "keydown",
"48": "0",
"49": "1",
"50": "2",
"51": "3",
"52": "4",
"53": "5",
"54": "6",
"55": "7",
"56": "8",
"57": "9",
"134": "F23",
"135": "F24"
}
Digamos que você queira fazer alguma ação na tela com base em alguma chave POS.
<svelte:window on:keyup="onKeyup(event)" />
<script>
import Keyboard from '@mamba/keyboard/api/index.js';
import { KEYBOARD } from '@mamba/core';
export default {
methods: {
/**
* @description handle physical keyboard events
* @param {KeyboardEvent} event
*/
onKeyup(event) {
const { keyCode } = event;
const { KEY_NAMES, KEY_CODES } = KEYBOARD;
const keyName = Keyboard.getKeyName(keyCode);
if (keyName === KEY_NAMES.BACK) {
// Do something with back key name
} else if (keyName === KEY_NAMES.ENTER) {
// Do something with enter key name
}
// Using key code directly
if (keyCode === KEY_CODES.SHORTCUTS) {
// Do something with shortcut key code
}
},
},
};
</script>
9.2.1 (2023-02-09)
Note: Version bump only for package mamba-sdk
FAQs
Mamba QT bindings, wrappers and embbebded hardware handlers
The npm package @mamba/core receives a total of 29 weekly downloads. As such, @mamba/core popularity was classified as not popular.
We found that @mamba/core demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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