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| 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}`; | |
| }); | |