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node_modules/inquirer/lib/utils/events.js

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+'use strict';
+var { fromEvent } = require('rxjs');
+var { filter, map, share, takeUntil } = require('rxjs/operators');
+
+function normalizeKeypressEvents(value, key) {
+  return { value: value, key: key || {} };
+}
+
+module.exports = function(rl) {
+  var keypress = fromEvent(rl.input, 'keypress', normalizeKeypressEvents)
+    .pipe(takeUntil(fromEvent(rl, 'close')))
+    // Ignore `enter` key. On the readline, we only care about the `line` event.
+    .pipe(filter(({ key }) => key.name !== 'enter' && key.name !== 'return'));
+
+  return {
+    line: fromEvent(rl, 'line'),
+    keypress: keypress,
+
+    normalizedUpKey: keypress.pipe(
+      filter(
+        ({ key }) =>
+          key.name === 'up' || key.name === 'k' || (key.name === 'p' && key.ctrl)
+      ),
+      share()
+    ),
+
+    normalizedDownKey: keypress.pipe(
+      filter(
+        ({ key }) =>
+          key.name === 'down' || key.name === 'j' || (key.name === 'n' && key.ctrl)
+      ),
+      share()
+    ),
+
+    numberKey: keypress.pipe(
+      filter(e => e.value && '123456789'.indexOf(e.value) >= 0),
+      map(e => Number(e.value)),
+      share()
+    ),
+
+    spaceKey: keypress.pipe(
+      filter(({ key }) => key && key.name === 'space'),
+      share()
+    ),
+    aKey: keypress.pipe(
+      filter(({ key }) => key && key.name === 'a'),
+      share()
+    ),
+    iKey: keypress.pipe(
+      filter(({ key }) => key && key.name === 'i'),
+      share()
+    )
+  };
+};

node_modules/inquirer/lib/utils/paginator.js

@@ -0,0 +1,54 @@
+'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.
+ */
+
+class Paginator {
+  constructor(screen) {
+    this.pointer = 0;
+    this.lastIndex = 0;
+    this.screen = screen;
+  }
+
+  paginate(output, active, pageSize) {
+    pageSize = pageSize || 7;
+    var middleOfList = Math.floor(pageSize / 2);
+    var lines = output.split('\n');
+
+    if (this.screen) {
+      lines = this.screen.breakLines(lines);
+      active = _.sum(lines.map(lineParts => lineParts.length).splice(0, active));
+      lines = _.flatten(lines);
+    }
+
+    // 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)');
+  }
+}
+
+module.exports = Paginator;

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));
+};

node_modules/inquirer/lib/utils/screen-manager.js

@@ -0,0 +1,142 @@
+'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'));
+}
+
+class ScreenManager {
+  constructor(rl) {
+    // These variables are keeping information to allow correct prompt re-rendering
+    this.height = 0;
+    this.extraLinesUnderPrompt = 0;
+
+    this.rl = rl;
+  }
+
+  render(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 = this.forceLineReturn(content, width);
+    if (bottomContent) {
+      bottomContent = this.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
+    if (cursorPos.cols > 0) {
+      util.right(this.rl, cursorPos.cols);
+    }
+
+    /**
+     * Set up state for next re-rendering
+     */
+    this.extraLinesUnderPrompt = bottomContentHeight;
+    this.height = height(fullContent);
+
+    this.rl.output.mute();
+  }
+
+  clean(extraLines) {
+    if (extraLines > 0) {
+      util.down(this.rl, extraLines);
+    }
+
+    util.clearLine(this.rl, this.height);
+  }
+
+  done() {
+    this.rl.setPrompt('');
+    this.rl.output.unmute();
+    this.rl.output.write('\n');
+  }
+
+  releaseCursor() {
+    if (this.extraLinesUnderPrompt > 0) {
+      util.down(this.rl, this.extraLinesUnderPrompt);
+    }
+  }
+
+  normalizedCliWidth() {
+    var width = cliWidth({
+      defaultWidth: 80,
+      output: this.rl.output
+    });
+    return width;
+  }
+
+  breakLines(lines, width) {
+    // Break lines who're longer than the cli width so we can normalize the natural line
+    // returns behavior across terminals.
+    width = width || this.normalizedCliWidth();
+    var regex = new RegExp('(?:(?:\\033[[0-9;]*m)*.?){1,' + width + '}', 'g');
+    return lines.map(line => {
+      var chunk = line.match(regex);
+      // Last match is always empty
+      chunk.pop();
+      return chunk || '';
+    });
+  }
+
+  forceLineReturn(content, width) {
+    width = width || this.normalizedCliWidth();
+    return _.flatten(this.breakLines(content.split('\n'), width)).join('\n');
+  }
+}
+
+module.exports = ScreenManager;

node_modules/inquirer/lib/utils/utils.js

@@ -0,0 +1,26 @@
+'use strict';
+var _ = require('lodash');
+var { from, of } = require('rxjs');
+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.Observable}   - Observable emitting once value is known
+ */
+
+exports.fetchAsyncQuestionProperty = function(question, prop, answers) {
+  if (!_.isFunction(question[prop])) {
+    return of(question);
+  }
+
+  return from(
+    runAsync(question[prop])(answers).then(value => {
+      question[prop] = value;
+      return question;
+    })
+  );
+};