summaryrefslogtreecommitdiff
path: root/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js
diff options
context:
space:
mode:
Diffstat (limited to 'tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js')
-rw-r--r--tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js112
1 files changed, 112 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js
new file mode 100644
index 0000000000..41a36293cd
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/inquirer/lib/objects/choices.js
@@ -0,0 +1,112 @@
+'use strict';
+var assert = require('assert');
+var _ = require('lodash');
+var Separator = require('./separator');
+var Choice = require('./choice');
+
+/**
+ * Choices collection
+ * Collection of multiple `choice` object
+ * @constructor
+ * @param {Array} choices All `choice` to keep in the collection
+ */
+
+var Choices = module.exports = function (choices, answers) {
+ this.choices = choices.map(function (val) {
+ if (val.type === 'separator') {
+ if (!(val instanceof Separator)) {
+ val = new Separator(val.line);
+ }
+ return val;
+ }
+ return new Choice(val, answers);
+ });
+
+ this.realChoices = this.choices
+ .filter(Separator.exclude)
+ .filter(function (item) {
+ return !item.disabled;
+ });
+
+ Object.defineProperty(this, 'length', {
+ get: function () {
+ return this.choices.length;
+ },
+ set: function (val) {
+ this.choices.length = val;
+ }
+ });
+
+ Object.defineProperty(this, 'realLength', {
+ get: function () {
+ return this.realChoices.length;
+ },
+ set: function () {
+ throw new Error('Cannot set `realLength` of a Choices collection');
+ }
+ });
+};
+
+/**
+ * Get a valid choice from the collection
+ * @param {Number} selector The selected choice index
+ * @return {Choice|Undefined} Return the matched choice or undefined
+ */
+
+Choices.prototype.getChoice = function (selector) {
+ assert(_.isNumber(selector));
+ return this.realChoices[selector];
+};
+
+/**
+ * Get a raw element from the collection
+ * @param {Number} selector The selected index value
+ * @return {Choice|Undefined} Return the matched choice or undefined
+ */
+
+Choices.prototype.get = function (selector) {
+ assert(_.isNumber(selector));
+ return this.choices[selector];
+};
+
+/**
+ * Match the valid choices against a where clause
+ * @param {Object} whereClause Lodash `where` clause
+ * @return {Array} Matching choices or empty array
+ */
+
+Choices.prototype.where = function (whereClause) {
+ return _.filter(this.realChoices, whereClause);
+};
+
+/**
+ * Pluck a particular key from the choices
+ * @param {String} propertyName Property name to select
+ * @return {Array} Selected properties
+ */
+
+Choices.prototype.pluck = function (propertyName) {
+ return _.map(this.realChoices, propertyName);
+};
+
+// Expose usual Array methods
+Choices.prototype.indexOf = function () {
+ return this.choices.indexOf.apply(this.choices, arguments);
+};
+Choices.prototype.forEach = function () {
+ return this.choices.forEach.apply(this.choices, arguments);
+};
+Choices.prototype.filter = function () {
+ return this.choices.filter.apply(this.choices, arguments);
+};
+Choices.prototype.find = function (func) {
+ return _.find(this.choices, func);
+};
+Choices.prototype.push = function () {
+ var objs = _.map(arguments, function (val) {
+ return new Choice(val);
+ });
+ this.choices.push.apply(this.choices, objs);
+ this.realChoices = this.choices.filter(Separator.exclude);
+ return this.choices;
+};