diff options
Diffstat (limited to 'tools/node_modules/eslint/node_modules/inquirer/lib')
21 files changed, 2290 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/inquirer.js b/tools/node_modules/eslint/node_modules/inquirer/lib/inquirer.js new file mode 100644 index 0000000000..5bbd801b42 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/inquirer.js @@ -0,0 +1,84 @@ +/** + * 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(); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choice.js b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choice.js new file mode 100644 index 0000000000..51affac6dc --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choice.js @@ -0,0 +1,35 @@ +'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: 'value' in val ? 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; + } +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js new file mode 100644 index 0000000000..41a36293cd --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js @@ -0,0 +1,112 @@ +'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; +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/objects/separator.js b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/separator.js new file mode 100644 index 0000000000..abfaef17f2 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/separator.js @@ -0,0 +1,34 @@ +'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; +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/base.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/base.js new file mode 100644 index 0000000000..c7fd14fbef --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/base.js @@ -0,0 +1,139 @@ +/** + * 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 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; + }, + suffix: '', + prefix: chalk.green('?') + }); + + // 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'); +}; + +/** + * Called when the UI closes. Override to do any specific cleanup necessary + */ +Prompt.prototype.close = function () { + this.screen.releaseCursor(); +}; + +/** + * 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, self.answers).then(function (filteredValue) { + return validate(filteredValue, self.answers).then(function (isValid) { + return {isValid: isValid, value: filteredValue}; + }, function (err) { + return {isValid: err}; + }); + }, 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 = this.opt.prefix + ' ' + chalk.bold(this.opt.message) + this.opt.suffix + chalk.reset(' '); + + // 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; +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/checkbox.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/checkbox.js new file mode 100644 index 0000000000..52336e3f79 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/checkbox.js @@ -0,0 +1,236 @@ +/** + * `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; + this.firstRender = true; + + // 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(); + this.firstRender = false; + + 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.firstRender) { + 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.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; +} diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/confirm.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/confirm.js new file mode 100644 index 0000000000..542d120394 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/confirm.js @@ -0,0 +1,106 @@ +/** + * `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(); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/editor.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/editor.js new file mode 100644 index 0000000000..e4bb2664a9 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/editor.js @@ -0,0 +1,111 @@ +/** + * `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-lite-aggregates'); + +/** + * 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); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/expand.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/expand.js new file mode 100644 index 0000000000..336d98c5af --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/expand.js @@ -0,0 +1,260 @@ +/** + * `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 = choices.realLength - 1; + 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; +} diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/input.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/input.js new file mode 100644 index 0000000000..a1c7be2acc --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/input.js @@ -0,0 +1,104 @@ +/** + * `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(); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/list.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/list.js new file mode 100644 index 0000000000..c29542f228 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/list.js @@ -0,0 +1,184 @@ +/** + * `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; + + // If def is a Number, then use as index. Otherwise, check for value. + if (_.isNumber(def) && def >= 0 && def < this.opt.choices.realLength) { + this.selected = def; + } else if (!_.isNumber(def) && def != null) { + 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$/, ''); +} diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/password.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/password.js new file mode 100644 index 0000000000..2a9a5e2e6a --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/password.js @@ -0,0 +1,115 @@ +/** + * `password` type prompt + */ + +var util = require('util'); +var chalk = require('chalk'); +var Base = require('./base'); +var observe = require('../utils/events'); + +function mask(input, maskChar) { + input = String(input); + maskChar = typeof maskChar === 'string' ? maskChar : '*'; + if (input.length === 0) { + return ''; + } + + return new Array(input.length + 1).join(maskChar); +} + +/** + * 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)); + + if (this.opt.mask) { + 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 += this.opt.mask ? chalk.cyan(mask(this.answer, this.opt.mask)) : chalk.italic.dim('[hidden]'); + } else if (this.opt.mask) { + message += mask(this.rl.line || '', this.opt.mask); + } else { + message += chalk.italic.dim('[input is hidden] '); + } + + 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); +}; + +Prompt.prototype.onKeypress = function () { + this.render(); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/rawlist.js b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/rawlist.js new file mode 100644 index 0000000000..15e99110b6 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/prompts/rawlist.js @@ -0,0 +1,179 @@ +/** + * `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; +} diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/ui/baseUI.js b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/baseUI.js new file mode 100644 index 0000000000..98bb9a2897 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/baseUI.js @@ -0,0 +1,75 @@ +'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 + process.on('exit', this.onForceClose); + + // Terminate process on SIGINT (which will call process.on('exit') in return) + this.rl.on('SIGINT', this.onForceClose); +}; + +/** + * Handle the ^C exit + * @return {null} + */ + +UI.prototype.onForceClose = function () { + this.close(); + process.kill(process.pid, 'SIGINT'); + console.log(''); +}; + +/** + * Close the interface and cleanup listeners + */ + +UI.prototype.close = function () { + // Remove events listeners + this.rl.removeListener('SIGINT', this.onForceClose); + process.removeListener('exit', this.onForceClose); + + this.rl.output.unmute(); + + if (this.activePrompt && typeof this.activePrompt.close === 'function') { + this.activePrompt.close(); + } + + // 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'])); +} diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/ui/bottom-bar.js b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/bottom-bar.js new file mode 100644 index 0000000000..90f9b60d98 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/bottom-bar.js @@ -0,0 +1,106 @@ +/** + * 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) { + rlUtils.clearLine(this.rl, 1); + this.rl.output.unmute(); + this.clean(); + this.bottomBar = bottomBar; + this.render(); + this.rl.output.mute(); + return this; +}; + +/** + * Write out log data + * @param {String} data - The log data to be output + * @return {Prompt} self + */ + +Prompt.prototype.writeLog = function (data) { + this.rl.output.unmute(); + this.clean(); + this.rl.output.write(this.enforceLF(data.toString())); + this.render(); + this.rl.output.mute(); + return this; +}; + +/** + * 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); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/ui/prompt.js b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/prompt.js new file mode 100644 index 0000000000..9b56fe4dfe --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/ui/prompt.js @@ -0,0 +1,115 @@ +'use strict'; +var _ = require('lodash'); +var rx = require('rx-lite-aggregates'); +var util = require('util'); +var runAsync = require('run-async'); +var utils = require('../utils/utils'); +var Base = require('./baseUI'); + +/** + * 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) { + _.set(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]; + this.activePrompt = new Prompt(question, this.rl, this.answers); + return rx.Observable.defer(function () { + return rx.Observable.fromPromise(this.activePrompt.run().then(function (answer) { + return {name: question.name, answer: answer}; + })); + }.bind(this)); +}; + +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; + }); + }); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/utils/events.js b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/events.js new file mode 100644 index 0000000000..3d2e147c59 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/events.js @@ -0,0 +1,45 @@ +'use strict'; +var rx = require('rx-lite-aggregates'); + +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() + }; +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/utils/paginator.js b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/paginator.js new file mode 100644 index 0000000000..fc7ebe0669 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/paginator.js @@ -0,0 +1,38 @@ +'use strict'; + +var _ = require('lodash'); +var chalk = require('chalk'); + +/** + * The paginator keeps track of a pointer index in a list and returns + * 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 middleOfList = Math.floor(pageSize / 2); + var lines = output.split('\n'); + + // Make sure there's enough lines to paginate + if (lines.length <= pageSize) { + return output; + } + + // Move the pointer only when the user go down and limit it to the middle of the list + if (this.pointer < middleOfList && this.lastIndex < active && active - this.lastIndex < pageSize) { + this.pointer = Math.min(middleOfList, 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)'); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/utils/readline.js b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/readline.js new file mode 100644 index 0000000000..092059b81d --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/readline.js @@ -0,0 +1,51 @@ +'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)); +}; diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/utils/screen-manager.js b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/screen-manager.js new file mode 100644 index 0000000000..e5d60fd40a --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/screen-manager.js @@ -0,0 +1,135 @@ +'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 = rawPromptLine; + 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.releaseCursor = function () { + if (this.extraLinesUnderPrompt > 0) { + util.down(this.rl, this.extraLinesUnderPrompt); + } +}; + +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'); +} diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/utils/utils.js b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/utils.js new file mode 100644 index 0000000000..63f20d77bb --- /dev/null +++ b/tools/node_modules/eslint/node_modules/inquirer/lib/utils/utils.js @@ -0,0 +1,26 @@ +'use strict'; +var _ = require('lodash'); +var rx = require('rx-lite-aggregates'); +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; + }) + ); +}; |