Every new change

node_modules/inquirer/lib/prompts/input.js

@@ -0,0 +1,113 @@
+'use strict';
+/**
+ * `input` type prompt
+ */
+
+var chalk = require('chalk');
+var { map, takeUntil } = require('rxjs/operators');
+var Base = require('./base');
+var observe = require('../utils/events');
+
+class InputPrompt extends Base {
+  /**
+   * Start the Inquiry session
+   * @param  {Function} cb      Callback when prompt is done
+   * @return {this}
+   */
+
+  _run(cb) {
+    this.done = cb;
+
+    // Once user confirm (enter key)
+    var events = observe(this.rl);
+    var submit = events.line.pipe(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
+      .pipe(takeUntil(validation.success))
+      .forEach(this.onKeypress.bind(this));
+
+    // Init
+    this.render();
+
+    return this;
+  }
+
+  /**
+   * Render the prompt to screen
+   * @return {InputPrompt} self
+   */
+
+  render(error) {
+    var bottomContent = '';
+    var appendContent = '';
+    var message = this.getQuestion();
+    var transformer = this.opt.transformer;
+    var isFinal = this.status === 'answered';
+
+    if (isFinal) {
+      appendContent = this.answer;
+    } else {
+      appendContent = this.rl.line;
+    }
+
+    if (transformer) {
+      message += transformer(appendContent, this.answers, { isFinal });
+    } else {
+      message += isFinal ? chalk.cyan(appendContent) : appendContent;
+    }
+
+    if (error) {
+      bottomContent = chalk.red('>> ') + error;
+    }
+
+    this.screen.render(message, bottomContent);
+  }
+
+  /**
+   * When user press `enter` key
+   */
+
+  filterInput(input) {
+    if (!input) {
+      return this.opt.default == null ? '' : this.opt.default;
+    }
+
+    return input;
+  }
+
+  onEnd(state) {
+    this.answer = state.value;
+    this.status = 'answered';
+
+    // Re-render prompt
+    this.render();
+
+    this.screen.done();
+    this.done(state.value);
+  }
+
+  onError({ value = '', isValid }) {
+    this.rl.line += value;
+    this.rl.cursor += value.length;
+    this.render(isValid);
+  }
+
+  /**
+   * When user press a key
+   */
+
+  onKeypress() {
+    // If user press a key, just clear the default value
+    if (this.opt.default) {
+      this.opt.default = undefined;
+    }
+
+    this.render();
+  }
+}
+
+module.exports = InputPrompt;