chore(package): re-init package with commitizen and standard-release

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Inquirer.js
===========
[![npm](https://badge.fury.io/js/inquirer.svg)](http://badge.fury.io/js/inquirer) [![tests](https://travis-ci.org/SBoudrias/Inquirer.js.svg?branch=master)](http://travis-ci.org/SBoudrias/Inquirer.js) [![Coverage Status](https://coveralls.io/repos/yeoman/generator/badge.svg)](https://coveralls.io/r/SBoudrias/Inquirer.js) [![dependencies](https://david-dm.org/SBoudrias/Inquirer.js.svg?theme=shields.io)](https://david-dm.org/SBoudrias/Inquirer.js)
A collection of common interactive command line user interfaces.
## Table of Contents
1. [Documentation](#documentation)
1. [Installation](#installation)
2. [Examples](#examples)
3. [Methods](#methods)
4. [Objects](#objects)
1. [Questions](#questions)
2. [Answers](#answers)
3. [Separator](#separator)
4. [Prompt Types](#prompt)
2. [User Interfaces and Layouts](#layouts)
1. [Reactive Interface](#reactive)
3. [Support](#support)
4. [News](#news)
5. [Contributing](#contributing)
6. [License](#license)
## Goal and Philosophy
<img align="right" alt="Inquirer Logo" src="/assets/inquirer_readme.png" title="Inquirer.js"/>
**`Inquirer.js`** strives to be an easily embeddable and beautiful command line interface for [Node.js](https://nodejs.org/) (and perhaps the "CLI [Xanadu](https://en.wikipedia.org/wiki/Citizen_Kane)").
**`Inquirer.js`** should ease the process of
- providing *error feedback*
- *asking questions*
- *parsing* input
- *validating* answers
- managing *hierarchical prompts*
> **Note:** **`Inquirer.js`** provides the user interface and the inquiry session flow. If you're searching for a full blown command line program utility, then check out [commander](https://github.com/visionmedia/commander.js), [vorpal](https://github.com/dthree/vorpal) or [args](https://github.com/leo/args).
## [Documentation](#documentation)
<a name="documentation"></a>
### Installation
<a name="installation"></a>
``` shell
npm install inquirer
```
```javascript
var inquirer = require('inquirer');
inquirer.prompt([/* Pass your questions in here */]).then(function (answers) {
// Use user feedback for... whatever!!
});
```
<a name="examples"></a>
### Examples (Run it and see it)
Check out the `examples/` folder for code and interface examples.
``` shell
node examples/pizza.js
node examples/checkbox.js
# etc...
```
### Methods
<a name="methods"></a>
#### `inquirer.prompt(questions) -> promise`
Launch the prompt interface (inquiry session)
- **questions** (Array) containing [Question Object](#question) (using the [reactive interface](#reactive-interface), you can also pass a `Rx.Observable` instance)
- returns a **Promise**
#### `inquirer.registerPrompt(name, prompt)`
Register prompt plugins under `name`.
- **name** (string) name of the this new prompt. (used for question `type`)
- **prompt** (object) the prompt object itself (the plugin)
#### `inquirer.createPromptModule() -> prompt function`
Create a self contained inquirer module. If don't want to affect other libraries that also rely on inquirer when you overwrite or add new prompt types.
```js
var prompt = inquirer.createPromptModule();
prompt(questions).then(/* ... */);
```
### Objects
<a name="objects"></a>
#### Question
<a name="questions"></a>
A question object is a `hash` containing question related values:
- **type**: (String) Type of the prompt. Defaults: `input` - Possible values: `input`, `confirm`,
`list`, `rawlist`, `expand`, `checkbox`, `password`, `editor`
- **name**: (String) The name to use when storing the answer in the answers hash.
- **message**: (String|Function) The question to print. If defined as a function, the first parameter will be the current inquirer session answers.
- **default**: (String|Number|Array|Function) Default value(s) to use if nothing is entered, or a function that returns the default value(s). If defined as a function, the first parameter will be the current inquirer session answers.
- **choices**: (Array|Function) Choices array or a function returning a choices array. If defined as a function, the first parameter will be the current inquirer session answers.
Array values can be simple `strings`, or `objects` containing a `name` (to display in list), a `value` (to save in the answers hash) and a `short` (to display after selection) properties. The choices array can also contain [a `Separator`](#separator).
- **validate**: (Function) Receive the user input and should return `true` if the value is valid, and an error message (`String`) otherwise. If `false` is returned, a default error message is provided.
- **filter**: (Function) Receive the user input and return the filtered value to be used inside the program. The value returned will be added to the _Answers_ hash.
- **when**: (Function, Boolean) Receive the current user answers hash and should return `true` or `false` depending on whether or not this question should be asked. The value can also be a simple boolean.
`default`, `choices`(if defined as functions), `validate`, `filter` and `when` functions can be called asynchronous. Either return a promise or use `this.async()` to get a callback you'll call with the final value.
``` javascript
{
/* Preferred way: with promise */
filter: function () {
return new Promise(/* etc... */);
},
/* Legacy way: with this.async */
validate: function (input) {
// Declare function as asynchronous, and save the done callback
var done = this.async();
// Do async stuff
setTimeout(function () {
if (typeof input !== 'number') {
// Pass the return value in the done callback
done('You need to provide a number');
return;
}
// Pass the return value in the done callback
done(null, true);
}, 3000);
}
}
```
### Answers
<a name="answers"></a>
A key/value hash containing the client answers in each prompt.
- **Key** The `name` property of the _question_ object
- **Value** (Depends on the prompt)
- `confirm`: (Boolean)
- `input` : User input (filtered if `filter` is defined) (String)
- `rawlist`, `list` : Selected choice value (or name if no value specified) (String)
### Separator
<a name="separator"></a>
A separator can be added to any `choices` array:
```
// In the question object
choices: [ "Choice A", new inquirer.Separator(), "choice B" ]
// Which'll be displayed this way
[?] What do you want to do?
> Order a pizza
Make a reservation
--------
Ask opening hours
Talk to the receptionist
```
The constructor takes a facultative `String` value that'll be use as the separator. If omitted, the separator will be `--------`.
Separator instances have a property `type` equal to `separator`. This should allow tools façading Inquirer interface from detecting separator types in lists.
<a name="prompt"></a>
### Prompt types
---------------------
> **Note:**: _allowed options written inside square brackets (`[]`) are optional. Others are required._
#### List - `{type: 'list'}`
Take `type`, `name`, `message`, `choices`[, `default`, `filter`] properties. (Note that
default must be the choice `index` in the array or a choice `value`)
![List prompt](https://dl.dropboxusercontent.com/u/59696254/inquirer/list-prompt.png)
---
#### Raw List - `{type: 'rawlist'}`
Take `type`, `name`, `message`, `choices`[, `default`, `filter`] properties. (Note that
default must the choice `index` in the array)
![Raw list prompt](https://i.cloudup.com/LcRGpXI0CX-3000x3000.png)
---
#### Expand - `{type: 'expand'}`
Take `type`, `name`, `message`, `choices`[, `default`] properties. (Note that
default must be the choice `index` in the array)
Note that the `choices` object will take an extra parameter called `key` for the `expand` prompt. This parameter must be a single (lowercased) character. The `h` option is added by the prompt and shouldn't be defined by the user.
See `examples/expand.js` for a running example.
![Expand prompt closed](https://dl.dropboxusercontent.com/u/59696254/inquirer/expand-prompt-1.png)
![Expand prompt expanded](https://dl.dropboxusercontent.com/u/59696254/inquirer/expand-prompt-2.png)
---
#### Checkbox - `{type: 'checkbox'}`
Take `type`, `name`, `message`, `choices`[, `filter`, `validate`, `default`] properties. `default` is expected to be an Array of the checked choices value.
Choices marked as `{checked: true}` will be checked by default.
Choices whose property `disabled` is truthy will be unselectable. If `disabled` is a string, then the string will be outputted next to the disabled choice, otherwise it'll default to `"Disabled"`. The `disabled` property can also be a synchronous function receiving the current answers as argument and returning a boolean or a string.
![Checkbox prompt](https://dl.dropboxusercontent.com/u/59696254/inquirer/checkbox-prompt.png)
---
#### Confirm - `{type: 'confirm'}`
Take `type`, `name`, `message`[, `default`] properties. `default` is expected to be a boolean if used.
![Confirm prompt](https://dl.dropboxusercontent.com/u/59696254/inquirer/confirm-prompt.png)
---
#### Input - `{type: 'input'}`
Take `type`, `name`, `message`[, `default`, `filter`, `validate`] properties.
![Input prompt](https://dl.dropboxusercontent.com/u/59696254/inquirer/input-prompt.png)
---
#### Password - `{type: 'password'}`
Take `type`, `name`, `message`[, `default`, `filter`, `validate`] properties.
![Password prompt](https://dl.dropboxusercontent.com/u/59696254/inquirer/password-prompt.png)
---
#### Editor - `{type: 'editor'}`
Take `type`, `name`, `message`[, `default`, `filter`, `validate`] properties
Launches an instance of the users preferred editor on a temporary file. Once the user exits their editor, the contents of the temporary file are read in as the result. The editor to use is determined by reading the $VISUAL or $EDITOR environment variables. If neither of those are present, notepad (on Windows) or vim (Linux or Mac) is used.
<a name="layouts"></a>
## User Interfaces and layouts
Along with the prompts, Inquirer offers some basic text UI.
#### Bottom Bar - `inquirer.ui.BottomBar`
This UI present a fixed text at the bottom of a free text zone. This is useful to keep a message to the bottom of the screen while outputting command outputs on the higher section.
```javascript
var ui = new inquirer.ui.BottomBar();
// pipe a Stream to the log zone
outputStream.pipe(ui.log);
// Or simply write output
ui.log.write('something just happened.');
ui.log.write('Almost over, standby!');
// During processing, update the bottom bar content to display a loader
// or output a progress bar, etc
ui.updateBottomBar('new bottom bar content');
```
<a name="reactive"></a>
## Reactive interface
Internally, Inquirer uses the [JS reactive extension](https://github.com/Reactive-Extensions/RxJS) to handle events and async flows.
This mean you can take advantage of this feature to provide more advanced flows. For example, you can dynamically add questions to be asked:
```js
var prompts = new Rx.Subject();
inquirer.prompt(prompts);
// At some point in the future, push new questions
prompts.onNext({ /* question... */ });
prompts.onNext({ /* question... */ });
// When you're done
prompts.onCompleted();
```
And using the return value `process` property, you can access more fine grained callbacks:
```js
inquirer.prompt(prompts).process.subscribe(
onEachAnswer,
onError,
onComplete
);
```
## Support (OS Terminals)
<a name="support"></a>
You should expect mostly good support for the CLI below. This does not mean we won't
look at issues found on other command line - feel free to report any!
- **Mac OS**:
- Terminal.app
- iTerm
- **Windows**:
- [ConEmu](https://conemu.github.io/)
- cmd.exe
- Powershell
- Cygwin
- **Linux (Ubuntu, openSUSE, Arch Linux, etc)**:
- gnome-terminal (Terminal GNOME)
- konsole
## News on the march (Release notes)
<a name="news"></a>
Please refer to the [Github releases section for the changelog](https://github.com/SBoudrias/Inquirer.js/releases)
## Contributing
<a name="contributing"></a>
**Unit test**
Unit test are written in [Mocha](https://mochajs.org/). Please add a unit test for every new feature or bug fix. `npm test` to run the test suite.
**Documentation**
Add documentation for every API change. Feel free to send typo fixes and better docs!
We're looking to offer good support for multiple prompts and environments. If you want to
help, we'd like to keep a list of testers for each terminal/OS so we can contact you and
get feedback before release. Let us know if you want to be added to the list (just tweet
to [@vaxilart](https://twitter.com/Vaxilart)) or just add your name to [the wiki](https://github.com/SBoudrias/Inquirer.js/wiki/Testers)
## License
<a name="license"></a>
Copyright (c) 2016 Simon Boudrias (twitter: [@vaxilart](https://twitter.com/Vaxilart))
Licensed under the MIT license.

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/**
* Inquirer.js
* A collection of common interactive command line user interfaces.
*/
var inquirer = module.exports;
/**
* Client interfaces
*/
inquirer.prompts = {};
inquirer.Separator = require('./objects/separator');
inquirer.ui = {
BottomBar: require('./ui/bottom-bar'),
Prompt: require('./ui/prompt')
};
/**
* Create a new self-contained prompt module.
*/
inquirer.createPromptModule = function (opt) {
var promptModule = function (questions) {
var ui = new inquirer.ui.Prompt(promptModule.prompts, opt);
var promise = ui.run(questions);
// Monkey patch the UI on the promise object so
// that it remains publicly accessible.
promise.ui = ui;
return promise;
};
promptModule.prompts = {};
/**
* Register a prompt type
* @param {String} name Prompt type name
* @param {Function} prompt Prompt constructor
* @return {inquirer}
*/
promptModule.registerPrompt = function (name, prompt) {
promptModule.prompts[name] = prompt;
return this;
};
/**
* Register the defaults provider prompts
*/
promptModule.restoreDefaultPrompts = function () {
this.registerPrompt('list', require('./prompts/list'));
this.registerPrompt('input', require('./prompts/input'));
this.registerPrompt('confirm', require('./prompts/confirm'));
this.registerPrompt('rawlist', require('./prompts/rawlist'));
this.registerPrompt('expand', require('./prompts/expand'));
this.registerPrompt('checkbox', require('./prompts/checkbox'));
this.registerPrompt('password', require('./prompts/password'));
this.registerPrompt('editor', require('./prompts/editor'));
};
promptModule.restoreDefaultPrompts();
return promptModule;
};
/**
* Public CLI helper interface
* @param {Array|Object|rx.Observable} questions - Questions settings array
* @param {Function} cb - Callback being passed the user answers
* @return {inquirer.ui.Prompt}
*/
inquirer.prompt = inquirer.createPromptModule();
// Expose helper functions on the top level for easiest usage by common users
inquirer.registerPrompt = function (name, prompt) {
inquirer.prompt.registerPrompt(name, prompt);
};
inquirer.restoreDefaultPrompts = function () {
inquirer.prompt.restoreDefaultPrompts();
};

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'use strict';
var _ = require('lodash');
/**
* Choice object
* Normalize input as choice object
* @constructor
* @param {String|Object} val Choice value. If an object is passed, it should contains
* at least one of `value` or `name` property
*/
var Choice = module.exports = function (val, answers) {
// Don't process Choice and Separator object
if (val instanceof Choice || val.type === 'separator') {
return val;
}
if (_.isString(val)) {
this.name = val;
this.value = val;
this.short = val;
} else {
_.extend(this, val, {
name: val.name || val.value,
value: val.hasOwnProperty('value') ? val.value : val.name,
short: val.short || val.name || val.value
});
}
if (_.isFunction(val.disabled)) {
this.disabled = val.disabled(answers);
} else {
this.disabled = val.disabled;
}
};

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'use strict';
var assert = require('assert');
var _ = require('lodash');
var Separator = require('./separator');
var Choice = require('./choice');
/**
* Choices collection
* Collection of multiple `choice` object
* @constructor
* @param {Array} choices All `choice` to keep in the collection
*/
var Choices = module.exports = function (choices, answers) {
this.choices = choices.map(function (val) {
if (val.type === 'separator') {
if (!(val instanceof Separator)) {
val = new Separator(val.line);
}
return val;
}
return new Choice(val, answers);
});
this.realChoices = this.choices
.filter(Separator.exclude)
.filter(function (item) {
return !item.disabled;
});
Object.defineProperty(this, 'length', {
get: function () {
return this.choices.length;
},
set: function (val) {
this.choices.length = val;
}
});
Object.defineProperty(this, 'realLength', {
get: function () {
return this.realChoices.length;
},
set: function () {
throw new Error('Cannot set `realLength` of a Choices collection');
}
});
};
/**
* Get a valid choice from the collection
* @param {Number} selector The selected choice index
* @return {Choice|Undefined} Return the matched choice or undefined
*/
Choices.prototype.getChoice = function (selector) {
assert(_.isNumber(selector));
return this.realChoices[selector];
};
/**
* Get a raw element from the collection
* @param {Number} selector The selected index value
* @return {Choice|Undefined} Return the matched choice or undefined
*/
Choices.prototype.get = function (selector) {
assert(_.isNumber(selector));
return this.choices[selector];
};
/**
* Match the valid choices against a where clause
* @param {Object} whereClause Lodash `where` clause
* @return {Array} Matching choices or empty array
*/
Choices.prototype.where = function (whereClause) {
return _.filter(this.realChoices, whereClause);
};
/**
* Pluck a particular key from the choices
* @param {String} propertyName Property name to select
* @return {Array} Selected properties
*/
Choices.prototype.pluck = function (propertyName) {
return _.map(this.realChoices, propertyName);
};
// Expose usual Array methods
Choices.prototype.indexOf = function () {
return this.choices.indexOf.apply(this.choices, arguments);
};
Choices.prototype.forEach = function () {
return this.choices.forEach.apply(this.choices, arguments);
};
Choices.prototype.filter = function () {
return this.choices.filter.apply(this.choices, arguments);
};
Choices.prototype.find = function (func) {
return _.find(this.choices, func);
};
Choices.prototype.push = function () {
var objs = _.map(arguments, function (val) {
return new Choice(val);
});
this.choices.push.apply(this.choices, objs);
this.realChoices = this.choices.filter(Separator.exclude);
return this.choices;
};

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'use strict';
var chalk = require('chalk');
var figures = require('figures');
/**
* Separator object
* Used to space/separate choices group
* @constructor
* @param {String} line Separation line content (facultative)
*/
var Separator = module.exports = function (line) {
this.type = 'separator';
this.line = chalk.dim(line || new Array(15).join(figures.line));
};
/**
* Helper function returning false if object is a separator
* @param {Object} obj object to test against
* @return {Boolean} `false` if object is a separator
*/
Separator.exclude = function (obj) {
return obj.type !== 'separator';
};
/**
* Stringify separator
* @return {String} the separator display string
*/
Separator.prototype.toString = function () {
return this.line;
};

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/**
* Base prompt implementation
* Should be extended by prompt types.
*/
var _ = require('lodash');
var chalk = require('chalk');
var runAsync = require('run-async');
var Choices = require('../objects/choices');
var ScreenManager = require('../utils/screen-manager');
var Promise = require('pinkie-promise');
var Prompt = module.exports = function (question, rl, answers) {
// Setup instance defaults property
_.assign(this, {
answers: answers,
status: 'pending'
});
// Set defaults prompt options
this.opt = _.defaults(_.clone(question), {
validate: function () {
return true;
},
filter: function (val) {
return val;
},
when: function () {
return true;
}
});
// Check to make sure prompt requirements are there
if (!this.opt.message) {
this.throwParamError('message');
}
if (!this.opt.name) {
this.throwParamError('name');
}
// Normalize choices
if (Array.isArray(this.opt.choices)) {
this.opt.choices = new Choices(this.opt.choices, answers);
}
this.rl = rl;
this.screen = new ScreenManager(this.rl);
};
/**
* Start the Inquiry session and manage output value filtering
* @return {Promise}
*/
Prompt.prototype.run = function () {
return new Promise(function (resolve) {
this._run(function (value) {
resolve(value);
});
}.bind(this));
};
// default noop (this one should be overwritten in prompts)
Prompt.prototype._run = function (cb) {
cb();
};
/**
* Throw an error telling a required parameter is missing
* @param {String} name Name of the missing param
* @return {Throw Error}
*/
Prompt.prototype.throwParamError = function (name) {
throw new Error('You must provide a `' + name + '` parameter');
};
/**
* Run the provided validation method each time a submit event occur.
* @param {Rx.Observable} submit - submit event flow
* @return {Object} Object containing two observables: `success` and `error`
*/
Prompt.prototype.handleSubmitEvents = function (submit) {
var self = this;
var validate = runAsync(this.opt.validate);
var filter = runAsync(this.opt.filter);
var validation = submit.flatMap(function (value) {
return filter(value).then(function (filteredValue) {
return validate(filteredValue, self.answers).then(function (isValid) {
return {isValid: isValid, value: filteredValue};
});
}, function (err) {
return {isValid: err};
});
}).share();
var success = validation
.filter(function (state) {
return state.isValid === true;
})
.take(1);
var error = validation
.filter(function (state) {
return state.isValid !== true;
})
.takeUntil(success);
return {
success: success,
error: error
};
};
/**
* Generate the prompt question string
* @return {String} prompt question string
*/
Prompt.prototype.getQuestion = function () {
var message = chalk.green('?') + ' ' + chalk.bold(this.opt.message) + ' ';
// Append the default if available, and if question isn't answered
if (this.opt.default != null && this.status !== 'answered') {
message += chalk.dim('(' + this.opt.default + ') ');
}
return message;
};

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/**
* `list` type prompt
*/
var _ = require('lodash');
var util = require('util');
var chalk = require('chalk');
var cliCursor = require('cli-cursor');
var figures = require('figures');
var Base = require('./base');
var observe = require('../utils/events');
var Paginator = require('../utils/paginator');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
Base.apply(this, arguments);
if (!this.opt.choices) {
this.throwParamError('choices');
}
if (_.isArray(this.opt.default)) {
this.opt.choices.forEach(function (choice) {
if (this.opt.default.indexOf(choice.value) >= 0) {
choice.checked = true;
}
}, this);
}
this.pointer = 0;
// Make sure no default is set (so it won't be printed)
this.opt.default = null;
this.paginator = new Paginator();
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
var events = observe(this.rl);
var validation = this.handleSubmitEvents(
events.line.map(this.getCurrentValue.bind(this))
);
validation.success.forEach(this.onEnd.bind(this));
validation.error.forEach(this.onError.bind(this));
events.normalizedUpKey.takeUntil(validation.success).forEach(this.onUpKey.bind(this));
events.normalizedDownKey.takeUntil(validation.success).forEach(this.onDownKey.bind(this));
events.numberKey.takeUntil(validation.success).forEach(this.onNumberKey.bind(this));
events.spaceKey.takeUntil(validation.success).forEach(this.onSpaceKey.bind(this));
events.aKey.takeUntil(validation.success).forEach(this.onAllKey.bind(this));
events.iKey.takeUntil(validation.success).forEach(this.onInverseKey.bind(this));
// Init the prompt
cliCursor.hide();
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function (error) {
// Render question
var message = this.getQuestion();
var bottomContent = '';
if (!this.spaceKeyPressed) {
message += '(Press ' + chalk.cyan.bold('<space>') + ' to select, ' + chalk.cyan.bold('<a>') + ' to toggle all, ' + chalk.cyan.bold('<i>') + ' to inverse selection)';
}
// Render choices or answer depending on the state
if (this.status === 'answered') {
message += chalk.cyan(this.selection.join(', '));
} else {
var choicesStr = renderChoices(this.opt.choices, this.pointer);
var indexPosition = this.opt.choices.indexOf(this.opt.choices.getChoice(this.pointer));
message += '\n' + this.paginator.paginate(choicesStr, indexPosition, this.opt.pageSize);
}
if (error) {
bottomContent = chalk.red('>> ') + error;
}
this.screen.render(message, bottomContent);
};
/**
* When user press `enter` key
*/
Prompt.prototype.onEnd = function (state) {
this.status = 'answered';
// Rerender prompt (and clean subline error)
this.render();
this.screen.done();
cliCursor.show();
this.done(state.value);
};
Prompt.prototype.onError = function (state) {
this.render(state.isValid);
};
Prompt.prototype.getCurrentValue = function () {
var choices = this.opt.choices.filter(function (choice) {
return Boolean(choice.checked) && !choice.disabled;
});
this.selection = _.map(choices, 'short');
return _.map(choices, 'value');
};
Prompt.prototype.onUpKey = function () {
var len = this.opt.choices.realLength;
this.pointer = (this.pointer > 0) ? this.pointer - 1 : len - 1;
this.render();
};
Prompt.prototype.onDownKey = function () {
var len = this.opt.choices.realLength;
this.pointer = (this.pointer < len - 1) ? this.pointer + 1 : 0;
this.render();
};
Prompt.prototype.onNumberKey = function (input) {
if (input <= this.opt.choices.realLength) {
this.pointer = input - 1;
this.toggleChoice(this.pointer);
}
this.render();
};
Prompt.prototype.onSpaceKey = function () {
this.spaceKeyPressed = true;
this.toggleChoice(this.pointer);
this.render();
};
Prompt.prototype.onAllKey = function () {
var shouldBeChecked = Boolean(this.opt.choices.find(function (choice) {
return choice.type !== 'separator' && !choice.checked;
}));
this.opt.choices.forEach(function (choice) {
if (choice.type !== 'separator') {
choice.checked = shouldBeChecked;
}
});
this.render();
};
Prompt.prototype.onInverseKey = function () {
this.opt.choices.forEach(function (choice) {
if (choice.type !== 'separator') {
choice.checked = !choice.checked;
}
});
this.render();
};
Prompt.prototype.toggleChoice = function (index) {
var item = this.opt.choices.getChoice(index);
if (item !== undefined) {
this.opt.choices.getChoice(index).checked = !item.checked;
}
};
/**
* Function for rendering checkbox choices
* @param {Number} pointer Position of the pointer
* @return {String} Rendered content
*/
function renderChoices(choices, pointer) {
var output = '';
var separatorOffset = 0;
choices.forEach(function (choice, i) {
if (choice.type === 'separator') {
separatorOffset++;
output += ' ' + choice + '\n';
return;
}
if (choice.disabled) {
separatorOffset++;
output += ' - ' + choice.name;
output += ' (' + (_.isString(choice.disabled) ? choice.disabled : 'Disabled') + ')';
} else {
var isSelected = (i - separatorOffset === pointer);
output += isSelected ? chalk.cyan(figures.pointer) : ' ';
output += getCheckbox(choice.checked) + ' ' + choice.name;
}
output += '\n';
});
return output.replace(/\n$/, '');
}
/**
* Get the checkbox
* @param {Boolean} checked - add a X or not to the checkbox
* @return {String} Composited checkbox string
*/
function getCheckbox(checked) {
return checked ? chalk.green(figures.radioOn) : figures.radioOff;
}

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node_modules/inquirer/lib/prompts/confirm.js generated vendored Normal file
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/**
* `confirm` type prompt
*/
var _ = require('lodash');
var util = require('util');
var chalk = require('chalk');
var Base = require('./base');
var observe = require('../utils/events');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
Base.apply(this, arguments);
var rawDefault = true;
_.extend(this.opt, {
filter: function (input) {
var value = rawDefault;
if (input != null && input !== '') {
value = /^y(es)?/i.test(input);
}
return value;
}
});
if (_.isBoolean(this.opt.default)) {
rawDefault = this.opt.default;
}
this.opt.default = rawDefault ? 'Y/n' : 'y/N';
return this;
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
// Once user confirm (enter key)
var events = observe(this.rl);
events.keypress.takeUntil(events.line).forEach(this.onKeypress.bind(this));
events.line.take(1).forEach(this.onEnd.bind(this));
// Init
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function (answer) {
var message = this.getQuestion();
if (typeof answer === 'boolean') {
message += chalk.cyan(answer ? 'Yes' : 'No');
} else {
message += this.rl.line;
}
this.screen.render(message);
return this;
};
/**
* When user press `enter` key
*/
Prompt.prototype.onEnd = function (input) {
this.status = 'answered';
var output = this.opt.filter(input);
this.render(output);
this.screen.done();
this.done(output);
};
/**
* When user press a key
*/
Prompt.prototype.onKeypress = function () {
this.render();
};

111
node_modules/inquirer/lib/prompts/editor.js generated vendored Normal file
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/**
* `editor` type prompt
*/
var util = require('util');
var chalk = require('chalk');
var ExternalEditor = require('external-editor');
var Base = require('./base');
var observe = require('../utils/events');
var rx = require('rx');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
return Base.apply(this, arguments);
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
this.editorResult = new rx.Subject();
// Open Editor on "line" (Enter Key)
var events = observe(this.rl);
this.lineSubscription = events.line.forEach(this.startExternalEditor.bind(this));
// Trigger Validation when editor closes
var validation = this.handleSubmitEvents(this.editorResult);
validation.success.forEach(this.onEnd.bind(this));
validation.error.forEach(this.onError.bind(this));
// Prevents default from being printed on screen (can look weird with multiple lines)
this.currentText = this.opt.default;
this.opt.default = null;
// Init
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function (error) {
var bottomContent = '';
var message = this.getQuestion();
if (this.status === 'answered') {
message += chalk.dim('Received');
} else {
message += chalk.dim('Press <enter> to launch your preferred editor.');
}
if (error) {
bottomContent = chalk.red('>> ') + error;
}
this.screen.render(message, bottomContent);
};
/**
* Launch $EDITOR on user press enter
*/
Prompt.prototype.startExternalEditor = function () {
// Pause Readline to prevent stdin and stdout from being modified while the editor is showing
this.rl.pause();
ExternalEditor.editAsync(this.currentText, this.endExternalEditor.bind(this));
};
Prompt.prototype.endExternalEditor = function (error, result) {
this.rl.resume();
if (error) {
this.editorResult.onError(error);
} else {
this.editorResult.onNext(result);
}
};
Prompt.prototype.onEnd = function (state) {
this.editorResult.dispose();
this.lineSubscription.dispose();
this.answer = state.value;
this.status = 'answered';
// Re-render prompt
this.render();
this.screen.done();
this.done(this.answer);
};
Prompt.prototype.onError = function (state) {
this.render(state.isValid);
};

260
node_modules/inquirer/lib/prompts/expand.js generated vendored Normal file
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/**
* `rawlist` type prompt
*/
var _ = require('lodash');
var util = require('util');
var chalk = require('chalk');
var Base = require('./base');
var Separator = require('../objects/separator');
var observe = require('../utils/events');
var Paginator = require('../utils/paginator');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
Base.apply(this, arguments);
if (!this.opt.choices) {
this.throwParamError('choices');
}
this.validateChoices(this.opt.choices);
// Add the default `help` (/expand) option
this.opt.choices.push({
key: 'h',
name: 'Help, list all options',
value: 'help'
});
this.opt.validate = function (choice) {
if (choice == null) {
return 'Please enter a valid command';
}
return choice !== 'help';
};
// Setup the default string (capitalize the default key)
this.opt.default = this.generateChoicesString(this.opt.choices, this.opt.default);
this.paginator = new Paginator();
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
// Save user answer and update prompt to show selected option.
var events = observe(this.rl);
var validation = this.handleSubmitEvents(
events.line.map(this.getCurrentValue.bind(this))
);
validation.success.forEach(this.onSubmit.bind(this));
validation.error.forEach(this.onError.bind(this));
this.keypressObs = events.keypress.takeUntil(validation.success)
.forEach(this.onKeypress.bind(this));
// Init the prompt
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function (error, hint) {
var message = this.getQuestion();
var bottomContent = '';
if (this.status === 'answered') {
message += chalk.cyan(this.answer);
} else if (this.status === 'expanded') {
var choicesStr = renderChoices(this.opt.choices, this.selectedKey);
message += this.paginator.paginate(choicesStr, this.selectedKey, this.opt.pageSize);
message += '\n Answer: ';
}
message += this.rl.line;
if (error) {
bottomContent = chalk.red('>> ') + error;
}
if (hint) {
bottomContent = chalk.cyan('>> ') + hint;
}
this.screen.render(message, bottomContent);
};
Prompt.prototype.getCurrentValue = function (input) {
if (!input) {
input = this.rawDefault;
}
var selected = this.opt.choices.where({key: input.toLowerCase().trim()})[0];
if (!selected) {
return null;
}
return selected.value;
};
/**
* Generate the prompt choices string
* @return {String} Choices string
*/
Prompt.prototype.getChoices = function () {
var output = '';
this.opt.choices.forEach(function (choice) {
output += '\n ';
if (choice.type === 'separator') {
output += ' ' + choice;
return;
}
var choiceStr = choice.key + ') ' + choice.name;
if (this.selectedKey === choice.key) {
choiceStr = chalk.cyan(choiceStr);
}
output += choiceStr;
}.bind(this));
return output;
};
Prompt.prototype.onError = function (state) {
if (state.value === 'help') {
this.selectedKey = '';
this.status = 'expanded';
this.render();
return;
}
this.render(state.isValid);
};
/**
* When user press `enter` key
*/
Prompt.prototype.onSubmit = function (state) {
this.status = 'answered';
var choice = this.opt.choices.where({value: state.value})[0];
this.answer = choice.short || choice.name;
// Re-render prompt
this.render();
this.screen.done();
this.done(state.value);
};
/**
* When user press a key
*/
Prompt.prototype.onKeypress = function () {
this.selectedKey = this.rl.line.toLowerCase();
var selected = this.opt.choices.where({key: this.selectedKey})[0];
if (this.status === 'expanded') {
this.render();
} else {
this.render(null, selected ? selected.name : null);
}
};
/**
* Validate the choices
* @param {Array} choices
*/
Prompt.prototype.validateChoices = function (choices) {
var formatError;
var errors = [];
var keymap = {};
choices.filter(Separator.exclude).forEach(function (choice) {
if (!choice.key || choice.key.length !== 1) {
formatError = true;
}
if (keymap[choice.key]) {
errors.push(choice.key);
}
keymap[choice.key] = true;
choice.key = String(choice.key).toLowerCase();
});
if (formatError) {
throw new Error('Format error: `key` param must be a single letter and is required.');
}
if (keymap.h) {
throw new Error('Reserved key error: `key` param cannot be `h` - this value is reserved.');
}
if (errors.length) {
throw new Error('Duplicate key error: `key` param must be unique. Duplicates: ' +
_.uniq(errors).join(', '));
}
};
/**
* Generate a string out of the choices keys
* @param {Array} choices
* @param {Number} defaultIndex - the choice index to capitalize
* @return {String} The rendered choices key string
*/
Prompt.prototype.generateChoicesString = function (choices, defaultIndex) {
var defIndex = 0;
if (_.isNumber(defaultIndex) && this.opt.choices.getChoice(defaultIndex)) {
defIndex = defaultIndex;
}
var defStr = this.opt.choices.pluck('key');
this.rawDefault = defStr[defIndex];
defStr[defIndex] = String(defStr[defIndex]).toUpperCase();
return defStr.join('');
};
/**
* Function for rendering checkbox choices
* @param {String} pointer Selected key
* @return {String} Rendered content
*/
function renderChoices(choices, pointer) {
var output = '';
choices.forEach(function (choice) {
output += '\n ';
if (choice.type === 'separator') {
output += ' ' + choice;
return;
}
var choiceStr = choice.key + ') ' + choice.name;
if (pointer === choice.key) {
choiceStr = chalk.cyan(choiceStr);
}
output += choiceStr;
});
return output;
}

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node_modules/inquirer/lib/prompts/input.js generated vendored Normal file
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/**
* `input` type prompt
*/
var util = require('util');
var chalk = require('chalk');
var Base = require('./base');
var observe = require('../utils/events');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
return Base.apply(this, arguments);
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
// Once user confirm (enter key)
var events = observe(this.rl);
var submit = events.line.map(this.filterInput.bind(this));
var validation = this.handleSubmitEvents(submit);
validation.success.forEach(this.onEnd.bind(this));
validation.error.forEach(this.onError.bind(this));
events.keypress.takeUntil(validation.success).forEach(this.onKeypress.bind(this));
// Init
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function (error) {
var bottomContent = '';
var message = this.getQuestion();
if (this.status === 'answered') {
message += chalk.cyan(this.answer);
} else {
message += this.rl.line;
}
if (error) {
bottomContent = chalk.red('>> ') + error;
}
this.screen.render(message, bottomContent);
};
/**
* When user press `enter` key
*/
Prompt.prototype.filterInput = function (input) {
if (!input) {
return this.opt.default == null ? '' : this.opt.default;
}
return input;
};
Prompt.prototype.onEnd = function (state) {
this.answer = state.value;
this.status = 'answered';
// Re-render prompt
this.render();
this.screen.done();
this.done(state.value);
};
Prompt.prototype.onError = function (state) {
this.render(state.isValid);
};
/**
* When user press a key
*/
Prompt.prototype.onKeypress = function () {
this.render();
};

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node_modules/inquirer/lib/prompts/list.js generated vendored Normal file
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/**
* `list` type prompt
*/
var _ = require('lodash');
var util = require('util');
var chalk = require('chalk');
var figures = require('figures');
var cliCursor = require('cli-cursor');
var runAsync = require('run-async');
var Base = require('./base');
var observe = require('../utils/events');
var Paginator = require('../utils/paginator');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
Base.apply(this, arguments);
if (!this.opt.choices) {
this.throwParamError('choices');
}
this.firstRender = true;
this.selected = 0;
var def = this.opt.default;
// Default being a Number
if (_.isNumber(def) && def >= 0 && def < this.opt.choices.realLength) {
this.selected = def;
}
// Default being a String
if (_.isString(def)) {
this.selected = this.opt.choices.pluck('value').indexOf(def);
}
// Make sure no default is set (so it won't be printed)
this.opt.default = null;
this.paginator = new Paginator();
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
var self = this;
var events = observe(this.rl);
events.normalizedUpKey.takeUntil(events.line).forEach(this.onUpKey.bind(this));
events.normalizedDownKey.takeUntil(events.line).forEach(this.onDownKey.bind(this));
events.numberKey.takeUntil(events.line).forEach(this.onNumberKey.bind(this));
events.line
.take(1)
.map(this.getCurrentValue.bind(this))
.flatMap(function (value) {
return runAsync(self.opt.filter)(value).catch(function (err) {
return err;
});
})
.forEach(this.onSubmit.bind(this));
// Init the prompt
cliCursor.hide();
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function () {
// Render question
var message = this.getQuestion();
if (this.firstRender) {
message += chalk.dim('(Use arrow keys)');
}
// Render choices or answer depending on the state
if (this.status === 'answered') {
message += chalk.cyan(this.opt.choices.getChoice(this.selected).short);
} else {
var choicesStr = listRender(this.opt.choices, this.selected);
var indexPosition = this.opt.choices.indexOf(this.opt.choices.getChoice(this.selected));
message += '\n' + this.paginator.paginate(choicesStr, indexPosition, this.opt.pageSize);
}
this.firstRender = false;
this.screen.render(message);
};
/**
* When user press `enter` key
*/
Prompt.prototype.onSubmit = function (value) {
this.status = 'answered';
// Rerender prompt
this.render();
this.screen.done();
cliCursor.show();
this.done(value);
};
Prompt.prototype.getCurrentValue = function () {
return this.opt.choices.getChoice(this.selected).value;
};
/**
* When user press a key
*/
Prompt.prototype.onUpKey = function () {
var len = this.opt.choices.realLength;
this.selected = (this.selected > 0) ? this.selected - 1 : len - 1;
this.render();
};
Prompt.prototype.onDownKey = function () {
var len = this.opt.choices.realLength;
this.selected = (this.selected < len - 1) ? this.selected + 1 : 0;
this.render();
};
Prompt.prototype.onNumberKey = function (input) {
if (input <= this.opt.choices.realLength) {
this.selected = input - 1;
}
this.render();
};
/**
* Function for rendering list choices
* @param {Number} pointer Position of the pointer
* @return {String} Rendered content
*/
function listRender(choices, pointer) {
var output = '';
var separatorOffset = 0;
choices.forEach(function (choice, i) {
if (choice.type === 'separator') {
separatorOffset++;
output += ' ' + choice + '\n';
return;
}
if (choice.disabled) {
separatorOffset++;
output += ' - ' + choice.name;
output += ' (' + (_.isString(choice.disabled) ? choice.disabled : 'Disabled') + ')';
output += '\n';
return;
}
var isSelected = (i - separatorOffset === pointer);
var line = (isSelected ? figures.pointer + ' ' : ' ') + choice.name;
if (isSelected) {
line = chalk.cyan(line);
}
output += line + ' \n';
});
return output.replace(/\n$/, '');
}

115
node_modules/inquirer/lib/prompts/password.js generated vendored Normal file
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/**
* `password` type prompt
*/
var util = require('util');
var chalk = require('chalk');
var Base = require('./base');
var observe = require('../utils/events');
function mask(input) {
input = String(input);
if (input.length === 0) {
return '';
}
return new Array(input.length + 1).join('*');
}
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
return Base.apply(this, arguments);
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
var events = observe(this.rl);
// Once user confirm (enter key)
var submit = events.line.map(this.filterInput.bind(this));
var validation = this.handleSubmitEvents(submit);
validation.success.forEach(this.onEnd.bind(this));
validation.error.forEach(this.onError.bind(this));
events.keypress.takeUntil(validation.success).forEach(this.onKeypress.bind(this));
// Init
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function (error) {
var message = this.getQuestion();
var bottomContent = '';
if (this.status === 'answered') {
message += chalk.cyan(mask(this.answer));
} else {
message += mask(this.rl.line || '');
}
if (error) {
bottomContent = '\n' + chalk.red('>> ') + error;
}
this.screen.render(message, bottomContent);
};
/**
* When user press `enter` key
*/
Prompt.prototype.filterInput = function (input) {
if (!input) {
return this.opt.default == null ? '' : this.opt.default;
}
return input;
};
Prompt.prototype.onEnd = function (state) {
this.status = 'answered';
this.answer = state.value;
// Re-render prompt
this.render();
this.screen.done();
this.done(state.value);
};
Prompt.prototype.onError = function (state) {
this.render(state.isValid);
this.rl.output.unmute();
};
/**
* When user type
*/
Prompt.prototype.onKeypress = function () {
this.render();
};

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node_modules/inquirer/lib/prompts/rawlist.js generated vendored Normal file
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/**
* `rawlist` type prompt
*/
var _ = require('lodash');
var util = require('util');
var chalk = require('chalk');
var Base = require('./base');
var Separator = require('../objects/separator');
var observe = require('../utils/events');
var Paginator = require('../utils/paginator');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt() {
Base.apply(this, arguments);
if (!this.opt.choices) {
this.throwParamError('choices');
}
this.opt.validChoices = this.opt.choices.filter(Separator.exclude);
this.selected = 0;
this.rawDefault = 0;
_.extend(this.opt, {
validate: function (val) {
return val != null;
}
});
var def = this.opt.default;
if (_.isNumber(def) && def >= 0 && def < this.opt.choices.realLength) {
this.selected = this.rawDefault = def;
}
// Make sure no default is set (so it won't be printed)
this.opt.default = null;
this.paginator = new Paginator();
}
util.inherits(Prompt, Base);
/**
* Start the Inquiry session
* @param {Function} cb Callback when prompt is done
* @return {this}
*/
Prompt.prototype._run = function (cb) {
this.done = cb;
// Once user confirm (enter key)
var events = observe(this.rl);
var submit = events.line.map(this.getCurrentValue.bind(this));
var validation = this.handleSubmitEvents(submit);
validation.success.forEach(this.onEnd.bind(this));
validation.error.forEach(this.onError.bind(this));
events.keypress.takeUntil(validation.success).forEach(this.onKeypress.bind(this));
// Init the prompt
this.render();
return this;
};
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function (error) {
// Render question
var message = this.getQuestion();
var bottomContent = '';
if (this.status === 'answered') {
message += chalk.cyan(this.answer);
} else {
var choicesStr = renderChoices(this.opt.choices, this.selected);
message += this.paginator.paginate(choicesStr, this.selected, this.opt.pageSize);
message += '\n Answer: ';
}
message += this.rl.line;
if (error) {
bottomContent = '\n' + chalk.red('>> ') + error;
}
this.screen.render(message, bottomContent);
};
/**
* When user press `enter` key
*/
Prompt.prototype.getCurrentValue = function (index) {
if (index == null || index === '') {
index = this.rawDefault;
} else {
index -= 1;
}
var choice = this.opt.choices.getChoice(index);
return choice ? choice.value : null;
};
Prompt.prototype.onEnd = function (state) {
this.status = 'answered';
this.answer = state.value;
// Re-render prompt
this.render();
this.screen.done();
this.done(state.value);
};
Prompt.prototype.onError = function () {
this.render('Please enter a valid index');
};
/**
* When user press a key
*/
Prompt.prototype.onKeypress = function () {
var index = this.rl.line.length ? Number(this.rl.line) - 1 : 0;
if (this.opt.choices.getChoice(index)) {
this.selected = index;
} else {
this.selected = undefined;
}
this.render();
};
/**
* Function for rendering list choices
* @param {Number} pointer Position of the pointer
* @return {String} Rendered content
*/
function renderChoices(choices, pointer) {
var output = '';
var separatorOffset = 0;
choices.forEach(function (choice, i) {
output += '\n ';
if (choice.type === 'separator') {
separatorOffset++;
output += ' ' + choice;
return;
}
var index = i - separatorOffset;
var display = (index + 1) + ') ' + choice.name;
if (index === pointer) {
display = chalk.cyan(display);
}
output += display;
});
return output;
}

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node_modules/inquirer/lib/ui/baseUI.js generated vendored Normal file
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'use strict';
var _ = require('lodash');
var MuteStream = require('mute-stream');
var readline = require('readline');
/**
* Base interface class other can inherits from
*/
var UI = module.exports = function (opt) {
// Instantiate the Readline interface
// @Note: Don't reassign if already present (allow test to override the Stream)
if (!this.rl) {
this.rl = readline.createInterface(setupReadlineOptions(opt));
}
this.rl.resume();
this.onForceClose = this.onForceClose.bind(this);
// Make sure new prompt start on a newline when closing
this.rl.on('SIGINT', this.onForceClose);
process.on('exit', this.onForceClose);
};
/**
* Handle the ^C exit
* @return {null}
*/
UI.prototype.onForceClose = function () {
this.close();
console.log('\n'); // Line return
};
/**
* Close the interface and cleanup listeners
*/
UI.prototype.close = function () {
// Remove events listeners
this.rl.removeListener('SIGINT', this.onForceClose);
process.removeListener('exit', this.onForceClose);
// Restore prompt functionnalities
this.rl.output.unmute();
// Close the readline
this.rl.output.end();
this.rl.pause();
this.rl.close();
};
function setupReadlineOptions(opt) {
opt = opt || {};
// Default `input` to stdin
var input = opt.input || process.stdin;
// Add mute capabilities to the output
var ms = new MuteStream();
ms.pipe(opt.output || process.stdout);
var output = ms;
return _.extend({
terminal: true,
input: input,
output: output
}, _.omit(opt, ['input', 'output']));
}

101
node_modules/inquirer/lib/ui/bottom-bar.js generated vendored Normal file
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/**
* Sticky bottom bar user interface
*/
var util = require('util');
var through = require('through');
var Base = require('./baseUI');
var rlUtils = require('../utils/readline');
var _ = require('lodash');
/**
* Module exports
*/
module.exports = Prompt;
/**
* Constructor
*/
function Prompt(opt) {
opt || (opt = {});
Base.apply(this, arguments);
this.log = through(this.writeLog.bind(this));
this.bottomBar = opt.bottomBar || '';
this.render();
}
util.inherits(Prompt, Base);
/**
* Render the prompt to screen
* @return {Prompt} self
*/
Prompt.prototype.render = function () {
this.write(this.bottomBar);
return this;
};
Prompt.prototype.clean = function () {
rlUtils.clearLine(this.rl, this.bottomBar.split('\n').length);
return this;
};
/**
* Update the bottom bar content and rerender
* @param {String} bottomBar Bottom bar content
* @return {Prompt} self
*/
Prompt.prototype.updateBottomBar = function (bottomBar) {
this.bottomBar = bottomBar;
rlUtils.clearLine(this.rl, 1);
this.rl.output.unmute();
this.clean().render();
this.rl.output.mute();
return this;
};
/**
* Rerender the prompt
* @return {Prompt} self
*/
Prompt.prototype.writeLog = function (data) {
rlUtils.clearLine(this.rl, 1);
this.rl.output.write(this.enforceLF(data.toString()));
return this.render();
};
/**
* Make sure line end on a line feed
* @param {String} str Input string
* @return {String} The input string with a final line feed
*/
Prompt.prototype.enforceLF = function (str) {
return str.match(/[\r\n]$/) ? str : str + '\n';
};
/**
* Helper for writing message in Prompt
* @param {Prompt} prompt - The Prompt object that extends tty
* @param {String} message - The message to be output
*/
Prompt.prototype.write = function (message) {
var msgLines = message.split(/\n/);
this.height = msgLines.length;
// Write message to screen and setPrompt to control backspace
this.rl.setPrompt(_.last(msgLines));
if (this.rl.output.rows === 0 && this.rl.output.columns === 0) {
/* When it's a tty through serial port there's no terminal info and the render will malfunction,
so we need enforce the cursor to locate to the leftmost position for rendering. */
rlUtils.left(this.rl, message.length + this.rl.line.length);
}
this.rl.output.write(message);
};

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node_modules/inquirer/lib/ui/prompt.js generated vendored Normal file
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'use strict';
var _ = require('lodash');
var rx = require('rx');
var util = require('util');
var runAsync = require('run-async');
var utils = require('../utils/utils');
var Base = require('./baseUI');
var Promise = require('pinkie-promise');
/**
* Base interface class other can inherits from
*/
var PromptUI = module.exports = function (prompts, opt) {
Base.call(this, opt);
this.prompts = prompts;
};
util.inherits(PromptUI, Base);
PromptUI.prototype.run = function (questions) {
// Keep global reference to the answers
this.answers = {};
// Make sure questions is an array.
if (_.isPlainObject(questions)) {
questions = [questions];
}
// Create an observable, unless we received one as parameter.
// Note: As this is a public interface, we cannot do an instanceof check as we won't
// be using the exact same object in memory.
var obs = _.isArray(questions) ? rx.Observable.from(questions) : questions;
this.process = obs
.concatMap(this.processQuestion.bind(this))
// `publish` creates a hot Observable. It prevents duplicating prompts.
.publish();
this.process.connect();
return this.process
.reduce(function (answers, answer) {
this.answers[answer.name] = answer.answer;
return this.answers;
}.bind(this), {})
.toPromise(Promise)
.then(this.onCompletion.bind(this));
};
/**
* Once all prompt are over
*/
PromptUI.prototype.onCompletion = function (answers) {
this.close();
return answers;
};
PromptUI.prototype.processQuestion = function (question) {
question = _.clone(question);
return rx.Observable.defer(function () {
var obs = rx.Observable.of(question);
return obs
.concatMap(this.setDefaultType.bind(this))
.concatMap(this.filterIfRunnable.bind(this))
.concatMap(utils.fetchAsyncQuestionProperty.bind(null, question, 'message', this.answers))
.concatMap(utils.fetchAsyncQuestionProperty.bind(null, question, 'default', this.answers))
.concatMap(utils.fetchAsyncQuestionProperty.bind(null, question, 'choices', this.answers))
.concatMap(this.fetchAnswer.bind(this));
}.bind(this));
};
PromptUI.prototype.fetchAnswer = function (question) {
var Prompt = this.prompts[question.type];
var prompt = new Prompt(question, this.rl, this.answers);
return rx.Observable.defer(function () {
return rx.Observable.fromPromise(prompt.run().then(function (answer) {
return {name: question.name, answer: answer};
}));
});
};
PromptUI.prototype.setDefaultType = function (question) {
// Default type to input
if (!this.prompts[question.type]) {
question.type = 'input';
}
return rx.Observable.defer(function () {
return rx.Observable.return(question);
});
};
PromptUI.prototype.filterIfRunnable = function (question) {
if (question.when === false) {
return rx.Observable.empty();
}
if (!_.isFunction(question.when)) {
return rx.Observable.return(question);
}
var answers = this.answers;
return rx.Observable.defer(function () {
return rx.Observable.fromPromise(
runAsync(question.when)(answers).then(function (shouldRun) {
if (shouldRun) {
return question;
}
})
).filter(function (val) {
return val != null;
});
});
};

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node_modules/inquirer/lib/utils/events.js generated vendored Normal file
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'use strict';
var rx = require('rx');
function normalizeKeypressEvents(value, key) {
return {value: value, key: key || {}};
}
module.exports = function (rl) {
var keypress = rx.Observable.fromEvent(rl.input, 'keypress', normalizeKeypressEvents)
.filter(function (e) {
// Ignore `enter` key. On the readline, we only care about the `line` event.
return e.key.name !== 'enter' && e.key.name !== 'return';
});
return {
line: rx.Observable.fromEvent(rl, 'line'),
keypress: keypress,
normalizedUpKey: keypress.filter(function (e) {
return e.key.name === 'up' || e.key.name === 'k' || (e.key.name === 'p' && e.key.ctrl);
}).share(),
normalizedDownKey: keypress.filter(function (e) {
return e.key.name === 'down' || e.key.name === 'j' || (e.key.name === 'n' && e.key.ctrl);
}).share(),
numberKey: keypress.filter(function (e) {
return e.value && '123456789'.indexOf(e.value) >= 0;
}).map(function (e) {
return Number(e.value);
}).share(),
spaceKey: keypress.filter(function (e) {
return e.key && e.key.name === 'space';
}).share(),
aKey: keypress.filter(function (e) {
return e.key && e.key.name === 'a';
}).share(),
iKey: keypress.filter(function (e) {
return e.key && e.key.name === 'i';
}).share()
};
};

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node_modules/inquirer/lib/utils/paginator.js generated vendored Normal file
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'use strict';
var _ = require('lodash');
var chalk = require('chalk');
/**
* The paginator keep trakcs of a pointer index in a list and return
* a subset of the choices if the list is too long.
*/
var Paginator = module.exports = function () {
this.pointer = 0;
this.lastIndex = 0;
};
Paginator.prototype.paginate = function (output, active, pageSize) {
pageSize = pageSize || 7;
var lines = output.split('\n');
// Make sure there's enough lines to paginate
if (lines.length <= pageSize + 2) {
return output;
}
// Move the pointer only when the user go down and limit it to 3
if (this.pointer < 3 && this.lastIndex < active && active - this.lastIndex < 9) {
this.pointer = Math.min(3, this.pointer + active - this.lastIndex);
}
this.lastIndex = active;
// Duplicate the lines so it give an infinite list look
var infinite = _.flatten([lines, lines, lines]);
var topIndex = Math.max(0, active + lines.length - this.pointer);
var section = infinite.splice(topIndex, pageSize).join('\n');
return section + '\n' + chalk.dim('(Move up and down to reveal more choices)');
};

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node_modules/inquirer/lib/utils/readline.js generated vendored Normal file
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'use strict';
var ansiEscapes = require('ansi-escapes');
/**
* Move cursor left by `x`
* @param {Readline} rl - Readline instance
* @param {Number} x - How far to go left (default to 1)
*/
exports.left = function (rl, x) {
rl.output.write(ansiEscapes.cursorBackward(x));
};
/**
* Move cursor right by `x`
* @param {Readline} rl - Readline instance
* @param {Number} x - How far to go left (default to 1)
*/
exports.right = function (rl, x) {
rl.output.write(ansiEscapes.cursorForward(x));
};
/**
* Move cursor up by `x`
* @param {Readline} rl - Readline instance
* @param {Number} x - How far to go up (default to 1)
*/
exports.up = function (rl, x) {
rl.output.write(ansiEscapes.cursorUp(x));
};
/**
* Move cursor down by `x`
* @param {Readline} rl - Readline instance
* @param {Number} x - How far to go down (default to 1)
*/
exports.down = function (rl, x) {
rl.output.write(ansiEscapes.cursorDown(x));
};
/**
* Clear current line
* @param {Readline} rl - Readline instance
* @param {Number} len - number of line to delete
*/
exports.clearLine = function (rl, len) {
rl.output.write(ansiEscapes.eraseLines(len));
};

129
node_modules/inquirer/lib/utils/screen-manager.js generated vendored Normal file
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'use strict';
var _ = require('lodash');
var util = require('./readline');
var cliWidth = require('cli-width');
var stripAnsi = require('strip-ansi');
var stringWidth = require('string-width');
function height(content) {
return content.split('\n').length;
}
function lastLine(content) {
return _.last(content.split('\n'));
}
var ScreenManager = module.exports = function (rl) {
// These variables are keeping information to allow correct prompt re-rendering
this.height = 0;
this.extraLinesUnderPrompt = 0;
this.rl = rl;
};
ScreenManager.prototype.render = function (content, bottomContent) {
this.rl.output.unmute();
this.clean(this.extraLinesUnderPrompt);
/**
* Write message to screen and setPrompt to control backspace
*/
var promptLine = lastLine(content);
var rawPromptLine = stripAnsi(promptLine);
// Remove the rl.line from our prompt. We can't rely on the content of
// rl.line (mainly because of the password prompt), so just rely on it's
// length.
var prompt = promptLine;
if (this.rl.line.length) {
prompt = prompt.slice(0, -this.rl.line.length);
}
this.rl.setPrompt(prompt);
// setPrompt will change cursor position, now we can get correct value
var cursorPos = this.rl._getCursorPos();
var width = this.normalizedCliWidth();
content = forceLineReturn(content, width);
if (bottomContent) {
bottomContent = forceLineReturn(bottomContent, width);
}
// Manually insert an extra line if we're at the end of the line.
// This prevent the cursor from appearing at the beginning of the
// current line.
if (rawPromptLine.length % width === 0) {
content += '\n';
}
var fullContent = content + (bottomContent ? '\n' + bottomContent : '');
this.rl.output.write(fullContent);
/**
* Re-adjust the cursor at the correct position.
*/
// We need to consider parts of the prompt under the cursor as part of the bottom
// content in order to correctly cleanup and re-render.
var promptLineUpDiff = Math.floor(rawPromptLine.length / width) - cursorPos.rows;
var bottomContentHeight = promptLineUpDiff + (bottomContent ? height(bottomContent) : 0);
if (bottomContentHeight > 0) {
util.up(this.rl, bottomContentHeight);
}
// Reset cursor at the beginning of the line
util.left(this.rl, stringWidth(lastLine(fullContent)));
// Adjust cursor on the right
util.right(this.rl, cursorPos.cols);
/**
* Set up state for next re-rendering
*/
this.extraLinesUnderPrompt = bottomContentHeight;
this.height = height(fullContent);
this.rl.output.mute();
};
ScreenManager.prototype.clean = function (extraLines) {
if (extraLines > 0) {
util.down(this.rl, extraLines);
}
util.clearLine(this.rl, this.height);
};
ScreenManager.prototype.done = function () {
this.rl.setPrompt('');
this.rl.output.unmute();
this.rl.output.write('\n');
};
ScreenManager.prototype.normalizedCliWidth = function () {
var width = cliWidth({
defaultWidth: 80,
output: this.rl.output
});
if (process.platform === 'win32') {
return width - 1;
}
return width;
};
function breakLines(lines, width) {
// Break lines who're longuer than the cli width so we can normalize the natural line
// returns behavior accross terminals.
var regex = new RegExp(
'(?:(?:\\033[[0-9;]*m)*.?){1,' + width + '}',
'g'
);
return lines.map(function (line) {
var chunk = line.match(regex);
// last match is always empty
chunk.pop();
return chunk || '';
});
}
function forceLineReturn(content, width) {
return _.flatten(breakLines(content.split('\n'), width)).join('\n');
}

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node_modules/inquirer/lib/utils/utils.js generated vendored Normal file
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'use strict';
var _ = require('lodash');
var rx = require('rx');
var runAsync = require('run-async');
/**
* Resolve a question property value if it is passed as a function.
* This method will overwrite the property on the question object with the received value.
* @param {Object} question - Question object
* @param {String} prop - Property to fetch name
* @param {Object} answers - Answers object
* @return {rx.Obsersable} - Observable emitting once value is known
*/
exports.fetchAsyncQuestionProperty = function (question, prop, answers) {
if (!_.isFunction(question[prop])) {
return rx.Observable.return(question);
}
return rx.Observable.fromPromise(runAsync(question[prop])(answers)
.then(function (value) {
question[prop] = value;
return question;
})
);
};

77
node_modules/inquirer/package.json generated vendored Normal file
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{
"name": "inquirer",
"version": "1.2.3",
"description": "A collection of common interactive command line user interfaces.",
"author": "Simon Boudrias <admin@simonboudrias.com>",
"files": [
"lib"
],
"main": "lib/inquirer.js",
"keywords": [
"command",
"prompt",
"stdin",
"cli",
"tty",
"menu"
],
"scripts": {
"test": "gulp",
"prepublish": "gulp prepublish"
},
"repository": "SBoudrias/Inquirer.js",
"license": "MIT",
"dependencies": {
"ansi-escapes": "^1.1.0",
"chalk": "^1.0.0",
"cli-cursor": "^1.0.1",
"cli-width": "^2.0.0",
"external-editor": "^1.1.0",
"figures": "^1.3.5",
"lodash": "^4.3.0",
"mute-stream": "0.0.6",
"pinkie-promise": "^2.0.0",
"run-async": "^2.2.0",
"rx": "^4.1.0",
"string-width": "^1.0.1",
"strip-ansi": "^3.0.0",
"through": "^2.3.6"
},
"devDependencies": {
"chai": "^3.0.0",
"cmdify": "^0.0.4",
"eslint": "^2.1.0",
"eslint-config-xo-space": "^0.12.0",
"gulp": "^3.9.0",
"gulp-coveralls": "^0.1.0",
"gulp-eslint": "^2.0.0",
"gulp-exclude-gitignore": "^1.0.0",
"gulp-istanbul": "^0.10.3",
"gulp-line-ending-corrector": "^1.0.1",
"gulp-mocha": "^2.0.0",
"gulp-nsp": "^2.1.0",
"gulp-plumber": "^1.0.0",
"mocha": "^2.2.1",
"mockery": "^1.4.0",
"sinon": "^1.12.1"
},
"eslintConfig": {
"extends": "xo-space",
"env": {
"mocha": true
},
"rules": {
"quotes": [
"error",
"single"
],
"no-unused-expressions": "off",
"handle-callback-err": "off",
"no-eq-null": "off",
"eqeqeq": [
"error",
"allow-null"
]
}
}
}