@inquirer/confirm
Version:
Inquirer confirm prompt
47 lines (46 loc) • 1.63 kB
JavaScript
import { createPrompt, useState, useKeypress, isEnterKey, usePrefix, makeTheme, } from '@inquirer/core';
function getBooleanValue(value, defaultValue) {
let answer = defaultValue !== false;
if (/^(y|yes)/i.test(value))
answer = true;
else if (/^(n|no)/i.test(value))
answer = false;
return answer;
}
function boolToString(value) {
return value ? 'Yes' : 'No';
}
export default createPrompt((config, done) => {
const { transformer = boolToString } = config;
const [status, setStatus] = useState('idle');
const [value, setValue] = useState('');
const theme = makeTheme(config.theme);
const prefix = usePrefix({ status, theme });
useKeypress((key, rl) => {
if (isEnterKey(key)) {
const answer = getBooleanValue(value, config.default);
setValue(transformer(answer));
setStatus('done');
done(answer);
}
else if (key.name === 'tab') {
const answer = boolToString(!getBooleanValue(value, config.default));
rl.clearLine(0); // Remove the tab character.
rl.write(answer);
setValue(answer);
}
else {
setValue(rl.line);
}
});
let formattedValue = value;
let defaultValue = '';
if (status === 'done') {
formattedValue = theme.style.answer(value);
}
else {
defaultValue = ` ${theme.style.defaultAnswer(config.default === false ? 'y/N' : 'Y/n')}`;
}
const message = theme.style.message(config.message, status);
return `${prefix} ${message}${defaultValue} ${formattedValue}`;
});