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