user model added; message model changed; tag model added
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-148
@@ -1,148 +0,0 @@
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'use strict';
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/**
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* Base prompt implementation
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* Should be extended by prompt types.
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*/
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var _ = require('lodash');
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var chalk = require('chalk');
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var runAsync = require('run-async');
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var { filter, flatMap, share, take, takeUntil } = require('rxjs/operators');
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var Choices = require('../objects/choices');
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var ScreenManager = require('../utils/screen-manager');
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class Prompt {
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constructor(question, rl, answers) {
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// Setup instance defaults property
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_.assign(this, {
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answers: answers,
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status: 'pending'
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});
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// Set defaults prompt options
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this.opt = _.defaults(_.clone(question), {
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validate: () => true,
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filter: val => val,
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when: () => true,
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suffix: '',
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prefix: chalk.green('?')
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});
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// Make sure name is present
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if (!this.opt.name) {
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this.throwParamError('name');
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}
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// Set default message if no message defined
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if (!this.opt.message) {
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this.opt.message = this.opt.name + ':';
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}
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// Normalize choices
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if (Array.isArray(this.opt.choices)) {
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this.opt.choices = new Choices(this.opt.choices, answers);
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}
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this.rl = rl;
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this.screen = new ScreenManager(this.rl);
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}
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/**
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* Start the Inquiry session and manage output value filtering
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* @return {Promise}
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*/
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run() {
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return new Promise(resolve => {
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this._run(value => resolve(value));
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});
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}
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// Default noop (this one should be overwritten in prompts)
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_run(cb) {
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cb();
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}
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/**
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* Throw an error telling a required parameter is missing
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* @param {String} name Name of the missing param
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* @return {Throw Error}
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*/
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throwParamError(name) {
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throw new Error('You must provide a `' + name + '` parameter');
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}
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/**
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* Called when the UI closes. Override to do any specific cleanup necessary
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*/
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close() {
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this.screen.releaseCursor();
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}
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/**
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* Run the provided validation method each time a submit event occur.
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* @param {Rx.Observable} submit - submit event flow
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* @return {Object} Object containing two observables: `success` and `error`
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*/
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handleSubmitEvents(submit) {
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var self = this;
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var validate = runAsync(this.opt.validate);
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var asyncFilter = runAsync(this.opt.filter);
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var validation = submit.pipe(
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flatMap(value =>
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asyncFilter(value, self.answers).then(
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filteredValue =>
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validate(filteredValue, self.answers).then(
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isValid => ({ isValid: isValid, value: filteredValue }),
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err => ({ isValid: err })
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),
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err => ({ isValid: err })
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)
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),
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share()
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);
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var success = validation.pipe(
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filter(state => state.isValid === true),
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take(1)
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);
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var error = validation.pipe(
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filter(state => state.isValid !== true),
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takeUntil(success)
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);
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return {
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success: success,
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error: error
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};
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}
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/**
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* Generate the prompt question string
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* @return {String} prompt question string
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*/
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getQuestion() {
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var message =
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this.opt.prefix +
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' ' +
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chalk.bold(this.opt.message) +
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this.opt.suffix +
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chalk.reset(' ');
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// Append the default if available, and if question isn't answered
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if (this.opt.default != null && this.status !== 'answered') {
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// If default password is supplied, hide it
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if (this.opt.type === 'password') {
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message += chalk.italic.dim('[hidden] ');
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} else {
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message += chalk.dim('(' + this.opt.default + ') ');
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}
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}
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return message;
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}
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}
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module.exports = Prompt;
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-100
@@ -1,100 +0,0 @@
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'use strict';
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/**
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* `editor` type prompt
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*/
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var chalk = require('chalk');
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var editAsync = require('external-editor').editAsync;
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var Base = require('./base');
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var observe = require('../utils/events');
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var { Subject } = require('rxjs');
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class EditorPrompt extends Base {
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/**
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* Start the Inquiry session
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* @param {Function} cb Callback when prompt is done
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* @return {this}
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*/
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_run(cb) {
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this.done = cb;
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this.editorResult = new Subject();
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// Open Editor on "line" (Enter Key)
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var events = observe(this.rl);
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this.lineSubscription = events.line.subscribe(this.startExternalEditor.bind(this));
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// Trigger Validation when editor closes
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var validation = this.handleSubmitEvents(this.editorResult);
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validation.success.forEach(this.onEnd.bind(this));
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validation.error.forEach(this.onError.bind(this));
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// Prevents default from being printed on screen (can look weird with multiple lines)
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this.currentText = this.opt.default;
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this.opt.default = null;
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// Init
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this.render();
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return this;
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}
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/**
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* Render the prompt to screen
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* @return {EditorPrompt} self
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*/
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render(error) {
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var bottomContent = '';
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var message = this.getQuestion();
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if (this.status === 'answered') {
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message += chalk.dim('Received');
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} else {
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message += chalk.dim('Press <enter> to launch your preferred editor.');
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}
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if (error) {
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bottomContent = chalk.red('>> ') + error;
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}
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this.screen.render(message, bottomContent);
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}
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/**
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* Launch $EDITOR on user press enter
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*/
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startExternalEditor() {
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// Pause Readline to prevent stdin and stdout from being modified while the editor is showing
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this.rl.pause();
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editAsync(this.currentText, this.endExternalEditor.bind(this));
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}
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endExternalEditor(error, result) {
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this.rl.resume();
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if (error) {
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this.editorResult.error(error);
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} else {
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this.editorResult.next(result);
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}
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}
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onEnd(state) {
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this.editorResult.unsubscribe();
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this.lineSubscription.unsubscribe();
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this.answer = state.value;
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this.status = 'answered';
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// Re-render prompt
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this.render();
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this.screen.done();
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this.done(this.answer);
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}
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onError(state) {
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this.render(state.isValid);
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}
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}
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module.exports = EditorPrompt;
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