import { createPrompt, useMemo, useState, useKeypress, usePrefix, isEnterKey, Separator, makeTheme, } from '@inquirer/core';
import colors from 'yoctocolors-cjs';
const numberRegex = /\d+/;
function isSelectableChoice(choice) {
return choice != null && !Separator.isSeparator(choice);
}
function normalizeChoices(choices) {
let index = 0;
return choices.map((choice) => {
if (Separator.isSeparator(choice))
return choice;
index += 1;
if (typeof choice === 'string') {
return {
value: choice,
name: choice,
short: choice,
key: String(index),
};
}
const name = choice.name ?? String(choice.value);
return {
value: choice.value,
name,
short: choice.short ?? name,
key: choice.key ?? String(index),
};
});
}
export default createPrompt((config, done) => {
const choices = useMemo(() => normalizeChoices(config.choices), [config.choices]);
const [status, setStatus] = useState('idle');
const [value, setValue] = useState('');
const [errorMsg, setError] = useState();
const theme = makeTheme(config.theme);
const prefix = usePrefix({ status, theme });
useKeypress((key, rl) => {
if (isEnterKey(key)) {
let selectedChoice;
if (numberRegex.test(value)) {
const answer = Number.parseInt(value, 10) - 1;
selectedChoice = choices.filter(isSelectableChoice)[answer];
}
else {
selectedChoice = choices.find((choice) => isSelectableChoice(choice) && choice.key === value);
}
if (isSelectableChoice(selectedChoice)) {
setValue(selectedChoice.short ?? selectedChoice.name ?? String(selectedChoice.value));
setStatus('done');
done(selectedChoice.value);
}
else if (value === '') {
setError('Please input a value');
}
else {
setError(`"${colors.red(value)}" isn't an available option`);
}
}
else {
setValue(rl.line);
setError(undefined);
}
});
const message = theme.style.message(config.message, status);
if (status === 'done') {
return `${prefix} ${message} ${theme.style.answer(value)}`;
}
const choicesStr = choices
.map((choice) => {
if (Separator.isSeparator(choice)) {
return ` ${choice.separator}`;
}
const line = ` ${choice.key}) ${choice.name}`;
if (choice.key === value.toLowerCase()) {
return theme.style.highlight(line);
}
return line;
})
.join('\n');
let error = '';
if (errorMsg) {
error = theme.style.error(errorMsg);
}
return [
`${prefix} ${message} ${value}`,
[choicesStr, error].filter(Boolean).join('\n'),
];
});
export { Separator } from '@inquirer/core';