diff options
Diffstat (limited to 'tools/node_modules/eslint/node_modules/inquirer/lib/prompts/input.js')
-rw-r--r-- | tools/node_modules/eslint/node_modules/inquirer/lib/prompts/input.js | 104 |
1 files changed, 104 insertions, 0 deletions
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(); +}; |