import _defineProperty from "@babel/runtime/helpers/defineProperty"; import { isArrayNode, isNode } from '../../utils/is.js'; import { map } from '../../utils/array.js'; import { factory } from '../../utils/factory.js'; var name = 'ArrayNode'; var dependencies = ['Node']; export var createArrayNode = /* #__PURE__ */factory(name, dependencies, _ref => { var { Node } = _ref; class ArrayNode extends Node { /** * @constructor ArrayNode * @extends {Node} * Holds an 1-dimensional array with items * @param {Node[]} [items] 1 dimensional array with items */ constructor(items) { super(); this.items = items || []; // validate input if (!Array.isArray(this.items) || !this.items.every(isNode)) { throw new TypeError('Array containing Nodes expected'); } } get type() { return name; } get isArrayNode() { return true; } /** * Compile a node into a JavaScript function. * This basically pre-calculates as much as possible and only leaves open * calculations which depend on a dynamic scope with variables. * @param {Object} math Math.js namespace with functions and constants. * @param {Object} argNames An object with argument names as key and `true` * as value. Used in the SymbolNode to optimize * for arguments from user assigned functions * (see FunctionAssignmentNode) or special symbols * like `end` (see IndexNode). * @return {function} Returns a function which can be called like: * evalNode(scope: Object, args: Object, context: *) */ _compile(math, argNames) { var evalItems = map(this.items, function (item) { return item._compile(math, argNames); }); var asMatrix = math.config.matrix !== 'Array'; if (asMatrix) { var matrix = math.matrix; return function evalArrayNode(scope, args, context) { return matrix(map(evalItems, function (evalItem) { return evalItem(scope, args, context); })); }; } else { return function evalArrayNode(scope, args, context) { return map(evalItems, function (evalItem) { return evalItem(scope, args, context); }); }; } } /** * Execute a callback for each of the child nodes of this node * @param {function(child: Node, path: string, parent: Node)} callback */ forEach(callback) { for (var i = 0; i < this.items.length; i++) { var node = this.items[i]; callback(node, 'items[' + i + ']', this); } } /** * Create a new ArrayNode whose children are the results of calling * the provided callback function for each child of the original node. * @param {function(child: Node, path: string, parent: Node): Node} callback * @returns {ArrayNode} Returns a transformed copy of the node */ map(callback) { var items = []; for (var i = 0; i < this.items.length; i++) { items[i] = this._ifNode(callback(this.items[i], 'items[' + i + ']', this)); } return new ArrayNode(items); } /** * Create a clone of this node, a shallow copy * @return {ArrayNode} */ clone() { return new ArrayNode(this.items.slice(0)); } /** * Get string representation * @param {Object} options * @return {string} str * @override */ _toString(options) { var items = this.items.map(function (node) { return node.toString(options); }); return '[' + items.join(', ') + ']'; } /** * Get a JSON representation of the node * @returns {Object} */ toJSON() { return { mathjs: name, items: this.items }; } /** * Instantiate an ArrayNode from its JSON representation * @param {Object} json An object structured like * `{"mathjs": "ArrayNode", items: [...]}`, * where mathjs is optional * @returns {ArrayNode} */ static fromJSON(json) { return new ArrayNode(json.items); } /** * Get HTML representation * @param {Object} options * @return {string} str * @override */ _toHTML(options) { var items = this.items.map(function (node) { return node.toHTML(options); }); return '[' + items.join(',') + ']'; } /** * Get LaTeX representation * @param {Object} options * @return {string} str */ _toTex(options) { function itemsToTex(items, nested) { var mixedItems = items.some(isArrayNode) && !items.every(isArrayNode); var itemsFormRow = nested || mixedItems; var itemSep = itemsFormRow ? '&' : '\\\\'; var itemsTex = items.map(function (node) { if (node.items) { return itemsToTex(node.items, !nested); } else { return node.toTex(options); } }).join(itemSep); return mixedItems || !itemsFormRow || itemsFormRow && !nested ? '\\begin{bmatrix}' + itemsTex + '\\end{bmatrix}' : itemsTex; } return itemsToTex(this.items, false); } } _defineProperty(ArrayNode, "name", name); return ArrayNode; }, { isClass: true, isNode: true });