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- import { createPrompt, useState, useKeypress, usePrefix, isEnterKey, makeTheme, } from '@inquirer/core';
- import ansiEscapes from 'ansi-escapes';
- export default createPrompt((config, done) => {
- const { validate = () => true } = config;
- const theme = makeTheme(config.theme);
- const [status, setStatus] = useState('idle');
- const [errorMsg, setError] = useState();
- const [value, setValue] = useState('');
- const prefix = usePrefix({ status, theme });
- useKeypress(async (key, rl) => {
- // Ignore keypress while our prompt is doing other processing.
- if (status !== 'idle') {
- return;
- }
- if (isEnterKey(key)) {
- const answer = value;
- setStatus('loading');
- const isValid = await validate(answer);
- if (isValid === true) {
- setValue(answer);
- setStatus('done');
- done(answer);
- }
- else {
- // Reset the readline line value to the previous value. On line event, the value
- // get cleared, forcing the user to re-enter the value instead of fixing it.
- rl.write(value);
- setError(isValid || 'You must provide a valid value');
- setStatus('idle');
- }
- }
- else {
- setValue(rl.line);
- setError(undefined);
- }
- });
- const message = theme.style.message(config.message, status);
- let formattedValue = '';
- let helpTip;
- if (config.mask) {
- const maskChar = typeof config.mask === 'string' ? config.mask : '*';
- formattedValue = maskChar.repeat(value.length);
- }
- else if (status !== 'done') {
- helpTip = `${theme.style.help('[input is masked]')}${ansiEscapes.cursorHide}`;
- }
- if (status === 'done') {
- formattedValue = theme.style.answer(formattedValue);
- }
- let error = '';
- if (errorMsg) {
- error = theme.style.error(errorMsg);
- }
- return [[prefix, message, config.mask ? formattedValue : helpTip].join(' '), error];
- });
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