@extjs/sencha-cmd-linux-32/dist/js/node_modules/fashion/src/functions/List.js

Productivity and performance optimization tool for building applications with Sencha Ext JS and Sencha Touch.

"use strict";

var Fashion = require('../export/Base.js');
var Numeric = require('../export/type/Numeric.js');
var List = require('../export/type/List.js');

module.exports = {
    init(runtime) {
        runtime.register({
            length: function (list) {
                if (list.type !== 'list') {
                    return new Numeric(arguments.length);
                }
                return new Numeric(list.items.length);
            },

            nth: function (list, index) {
                if (list.type !== 'list') {
                    list = new List([list]);
                }

                if (index.type != 'number' || index.value.toFixed(0) != index.value) {
                    Fashion.raise('List index ' + index + ' must be an integer for \'nth\'');
                }

                var value = index.value;
                if (value < 0) {
                    value = Math.max(1, list.items.length + value + 1);
                }

                if (value === 0) {
                    Fashion.raise('List index ' + value + ' must be greater than or equal to 1 for \'nth\'');
                }

                if (value - 1 >= list.items.length) {
                    Fashion.raise('List index is ' + value + ' but list is only ' + list.items.length + ' item' + (list.items.length === 1 ? '' : 's') + ' long for \'nth\'');
                }

                return list.get(value);
            },

            first_value_of: function (list) {
                if (list.type !== 'list') {
                    list = new List([list]);
                }
                return this.nth(list, new Numeric(1));
            },

            last_value_of: function (list) {
                if (list.type !== 'list') {
                    list = new List(list);
                }
                return this.nth(list, new Numeric(list.items.length));
            },

            compact: function () {
                var list = arguments,
                    items, sep = ', ';

                if (list.type !== 'list') {
                    list = new List(list);
                }

                items = list.items;
                if (items.length == 1 && items[0].type == 'list') {
                    list = items[0];
                    items = list.items;
                    sep = list.separator;
                }

                list = new List(null, sep);
                for (var i = 0; i < items.length; i++) {
                    var item = items[i];
                    if (this.unbox(item)) {
                        list.add(item);
                    }
                }
                return list;
            },

            _compass_list_size: function () {
                var list = arguments;

                if (list.type !== 'list') {
                    list = new List(list);
                }
                return new Numeric(list.items.length);
            },

            join: function (list1, list2, separator) {
                if (list1.type !== 'list') {
                    list1 = new List([list1]);
                    list1.separator = null;
                }

                if (list2.type !== 'list') {
                    list2 = new List([list2]);
                    list2.separator = null;
                }

                if (!separator) {
                    separator = (list1.items.length && list1.separator) || (list2.items.length && list2.separator) || ' ';
                }

                if (separator.type === 'literal') {
                    switch (separator.value) {
                        case 'comma':
                            separator = ', ';
                            break;
                        case 'space':
                            separator = ' ';
                            break;
                        case 'auto':
                            separator = list1.separator || list2.separator || ' ';
                            break;
                        default:
                            Fashion.raise('Separator name must be space, comma, or auto for \'join\'');
                            break;
                    }
                }

                if (separator.type === 'string') {
                    separator = separator.value;
                }

                return new List(list1.items.concat(list2.items), separator);
            },

            append: function () {
                return this.join.apply(this, arguments);
            },

            box: function (list, index) {
                if (!(list instanceof List)) {
                    list = new List([list]);
                }

                list = list.items.slice();
                if (index >= list.length) {
                    switch (list.length) {
                        case 1:
                            list[1] = list[2] = list[3] = list[0];
                            break;
                        case 2:
                            list[2] = list[0];
                            list[3] = list[1];
                            break;
                        case 3:
                            list[3] = list[1];
                            break;
                    }
                }
                return list[index - 1];
            },

            zip: function () {
                var lists = this.sliceArgs(arguments),
                    output = [],
                    minLen = -1,
                    list;

                for (var i = 0; i < lists.length; i++) {
                    list = lists[i].items;
                    if (minLen === -1) {
                        minLen = list.length;
                    } else if (list.length < minLen) {
                        minLen = list.length;
                    }
                }

                for (var i = 0; i < minLen; i++) {
                    var newList = [];
                    for (var j = 0; j < lists.length; j++) {
                        newList.push(lists[j].items[i]);
                    }
                    output.push(new List(newList, ' '));
                }

                return new List(output, ', ');
            }
        });
    }

}