tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 236 insertions, 0 deletions

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;
+}