tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 386 insertions, 0 deletions

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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)
+  7. [Plugins](#plugins)
+
+
+## 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 you 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. If the name contains periods, it will define a path 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 answers hash. 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.
+- **pageSize**: (Number) Change the number of lines that will be rendered when using `list`, `rawList`, `expand` or `checkbox`.
+- **prefix**: (String) Change the default _prefix_ message.
+- **suffix**: (String) Change the default _suffix_ message.
+
+`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](assets/screenshots/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](assets/screenshots/rawlist-prompt.png)
+
+---
+
+#### Expand - `{type: 'expand'}`
+
+Take `type`, `name`, `message`, `choices`[, `default`] properties. (Note that
+default must be the choice `index` in the array. If `default` key not provided, then `help` will be used as default choice)
+
+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](assets/screenshots/expand-prompt-1.png)
+![Expand prompt expanded](assets/screenshots/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](assets/screenshots/checkbox-prompt.png)
+
+---
+
+#### Confirm - `{type: 'confirm'}`
+
+Take `type`, `name`, `message`[, `default`] properties. `default` is expected to be a boolean if used.
+
+![Confirm prompt](assets/screenshots/confirm-prompt.png)
+
+---
+
+#### Input - `{type: 'input'}`
+
+Take `type`, `name`, `message`[, `default`, `filter`, `validate`] properties.
+
+![Input prompt](assets/screenshots/input-prompt.png)
+
+---
+
+#### Password - `{type: 'password'}`
+
+Take `type`, `name`, `message`[, `default`, `filter`, `validate`] properties.
+
+![Password prompt](assets/screenshots/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).ui.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.
+
+## Plugins
+<a name="plugins"></a>
+
+### Prompts ###
+
+[__autocomplete__](https://github.com/mokkabonna/inquirer-autocomplete-prompt)<br>
+Presents a list of options as the user types, compatible with other packages such as fuzzy (for search)<br>
+<br>
+![autocomplete prompt](https://github.com/mokkabonna/inquirer-autocomplete-prompt/raw/master/inquirer.gif)
+
+[__datetime__](https://github.com/DerekTBrown/inquirer-datepicker-prompt)<br>
+Customizable date/time selector using both number pad and arrow keys<br>
+<br>
+![Datetime Prompt](https://github.com/DerekTBrown/inquirer-datepicker-prompt/raw/master/example/datetime-prompt.png)
+
+[__inquirer-select-line__](https://github.com/adam-golab/inquirer-select-line)<br>
+Prompt for selecting index in array where add new element<br>
+<br>
+![inquirer-select-line gif](https://media.giphy.com/media/xUA7b1MxpngddUvdHW/giphy.gif)
+
+[__command__](https://github.com/sullof/inquirer-command-prompt)<br>
+<br>
+Simple prompt with command history and dynamic autocomplete
+
+[__inquirer-chalk-pipe__](https://github.com/LitoMore/inquirer-chalk-pipe)<br>
+Prompt for input chalk-pipe style strings<br>
+<br>
+![inquirer-chalk-pipe](https://github.com/LitoMore/inquirer-chalk-pipe/raw/master/screenshot.gif)