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index.mts
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index.mts
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import {
createPrompt,
useState,
useKeypress,
isEnterKey,
usePrefix,
makeTheme,
type Theme,
} from '@inquirer/core';
import type { PartialDeep } from '@inquirer/type';
type ConfirmConfig = {
message: string;
default?: boolean;
transformer?: (value: boolean) => string;
theme?: PartialDeep<Theme>;
};
export default createPrompt<boolean, ConfirmConfig>((config, done) => {
const { transformer = (answer) => (answer ? 'yes' : 'no') } = config;
const [status, setStatus] = useState('pending');
const [value, setValue] = useState('');
const theme = makeTheme(config.theme);
const prefix = usePrefix({ theme });
useKeypress((key, rl) => {
if (isEnterKey(key)) {
let answer = config.default !== false;
if (/^(y|yes)/i.test(value)) answer = true;
else if (/^(n|no)/i.test(value)) answer = false;
setValue(transformer(answer));
setStatus('done');
done(answer);
} else {
setValue(rl.line);
}
});
let formattedValue = value;
let defaultValue = '';
if (status === 'done') {
formattedValue = theme.style.answer(value);
} else {
defaultValue = ` ${theme.style.defaultAnswer(
config.default === false ? 'y/N' : 'Y/n',
)}`;
}
const message = theme.style.message(config.message);
return `${prefix} ${message}${defaultValue} ${formattedValue}`;
});