module.exports = createPrompt(
readline => ({
onKeypress: (value, key, { cursorPosition = 0, choices }, setState) => {
let newCursorPosition = cursorPosition;
if (isUpKey(key) || isDownKey(key)) {
const offset = isUpKey(key) ? -1 : 1;
let selectedOption;
while (!selectedOption || selectedOption.disabled) {
newCursorPosition =
(newCursorPosition + offset + choices.length) % choices.length;
selectedOption = choices[newCursorPosition];
}
setState({ cursorPosition: newCursorPosition });
} else if (isSpaceKey(key)) {
setState({
showHelpTip: false,
choices: choices.map((choice, i) => {
if (i === cursorPosition) {
return Object.assign({}, choice, { checked: !choice.checked });
}
return choice;
})
});
} else if (key.name === 'a') {
const selectAll = Boolean(choices.find(choice => !choice.checked));
setState({
choices: choices.map(choice =>
Object.assign({}, choice, { checked: selectAll })
)
});
} else if (key.name === 'i') {
setState({
choices: choices.map(choice =>
Object.assign({}, choice, { checked: !choice.checked })
)
});
} else if (isNumberKey(key)) {
// Adjust index to start at 1
const position = Number(key.name) - 1;
// Abort if the choice doesn't exists or if disabled
if (!choices[position] || choices[position].disabled) {
return;
}
setState({
cursorPosition: position,
choices: choices.map((choice, i) => {
if (i === position) {
return Object.assign({}, choice, { checked: !choice.checked });
}
return choice;
})
});
}
},
mapStateToValue: ({ choices }) => {
return choices.filter(choice => choice.checked).map(choice => choice.value);
},
paginator: new Paginator(readline)
}),
(state, { paginator }) => {
const { prefix, choices, showHelpTip, cursorPosition = 0, pageSize = 7 } = state;
const message = chalk.bold(state.message);
if (state.status === 'done') {
const selection = choices
.filter(choice => choice.checked)
.map(({ name, value }) => name || value);
return `${prefix} ${message} ${chalk.cyan(selection.join(', '))}`;
}
let helpTip = '';
if (showHelpTip !== false) {
const keys = [
`${chalk.cyan.bold('<space>')} to select`,
`${chalk.cyan.bold('<a>')} to toggle all`,
`${chalk.cyan.bold('<i>')} to invert selection`
];
helpTip = ` (Press ${keys.join(', ')})`;
}
const allChoices = choices
.map(({ name, value, checked, disabled }, index) => {
const line = name || value;
if (disabled) {
return chalk.dim(` - ${line} (disabled)`);
}
const checkbox = checked ? chalk.green(figures.circleFilled) : figures.circle;
if (index === cursorPosition) {
return chalk.cyan(`${figures.pointer}${checkbox} ${line}`);
}
return ` ${checkbox} ${line}`;
})
.join('\n');
const windowedChoices = paginator.paginate(allChoices, cursorPosition, pageSize);
return `${prefix} ${message}${helpTip}\n${windowedChoices}${cursorHide}`;
}
);
module.exports = createPrompt(
readline => ({
onKeypress: (value, key, { cursorPosition = 0, choices }, setState) => {
let newCursorPosition = cursorPosition;
const offset = isUpKey(key) ? -1 : 1;
let selectedOption;
while (!selectedOption || selectedOption.disabled) {
newCursorPosition = Math.abs(newCursorPosition + offset) % choices.length;
selectedOption = choices[newCursorPosition];
}
setState({
cursorPosition: newCursorPosition,
value: selectedOption.value
});
},
paginator: new Paginator(readline)
}),
(state, { paginator }) => {
const { prefix, message, choices, cursorPosition = 0, pageSize = 7 } = state;
if (state.status === 'done') {
const choice = choices[cursorPosition];
return `${prefix} ${message} ${chalk.cyan(choice.name || choice.value)}`;
}
const allChoices = choices
.map(({ name, value, disabled }, index) => {
const line = name || value;
if (disabled) {
return chalk.dim(`- ${line} (disabled)`);
}
if (index === cursorPosition) {
return chalk.cyan(`${figures.pointer} ${line}`);
}
return ` ${line}`;
})
.join('\n');
const windowedChoices = paginator.paginate(allChoices, cursorPosition, pageSize);
return `${prefix} ${message}\n${windowedChoices}${cursorHide}`;
}
);
const chalk = require('chalk');
module.exports = createPrompt(
{
canRemoveDefault: true,
onKeypress: (value, key, { canRemoveDefault }, setState) => {
const newState = { canRemoveDefault: !value };
// Allow user to remove the default value by pressing backspace
if (canRemoveDefault && key.name === 'backspace') {
newState.default = undefined;
}
setState(newState);
}
},
state => {
const { prefix, message, value = '', status } = state;
let formattedValue = value;
if (status === 'done') {
formattedValue = chalk.cyan(value);
}
let defaultValue = '';
if (state.default && status !== 'done' && !value) {
defaultValue = chalk.dim(` (${state.default})`);
}
return `${prefix} ${message}${defaultValue} ${formattedValue}`;
}
);
const { createPrompt } = require('@inquirer/core');
const chalk = require('chalk');
module.exports = createPrompt(
{
mapStateToValue({ value, default: rawDefault }) {
if (value) {
return /^y(es)?/i.test(value);
}
return rawDefault !== false;
}
},
(state, { mapStateToValue }) => {
const { prefix, value = '', status } = state;
const message = chalk.bold(state.message);
let formattedValue = value;
if (status === 'done') {
const value = mapStateToValue(state);
formattedValue = chalk.cyan(value ? 'yes' : 'no');
}
let defaultValue = '';
if (status !== 'done') {
defaultValue = chalk.dim(state.default === false ? ' (y/N)' : ' (Y/n)');
}
return `${prefix} ${message}${defaultValue} ${formattedValue}`;
}
);