feat:node-modules

node_modules/mathjs/lib/cjs/expression/node/ArrayNode.js

@@ -0,0 +1,183 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createArrayNode = void 0;
+var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
+var _is = require("../../utils/is.js");
+var _array = require("../../utils/array.js");
+var _factory = require("../../utils/factory.js");
+const name = 'ArrayNode';
+const dependencies = ['Node'];
+const createArrayNode = exports.createArrayNode = /* #__PURE__ */(0, _factory.factory)(name, dependencies, _ref => {
+  let {
+    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(_is.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) {
+      const evalItems = (0, _array.map)(this.items, function (item) {
+        return item._compile(math, argNames);
+      });
+      const asMatrix = math.config.matrix !== 'Array';
+      if (asMatrix) {
+        const matrix = math.matrix;
+        return function evalArrayNode(scope, args, context) {
+          return matrix((0, _array.map)(evalItems, function (evalItem) {
+            return evalItem(scope, args, context);
+          }));
+        };
+      } else {
+        return function evalArrayNode(scope, args, context) {
+          return (0, _array.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 (let i = 0; i < this.items.length; i++) {
+        const 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) {
+      const items = [];
+      for (let 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) {
+      const 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) {
+      const items = this.items.map(function (node) {
+        return node.toHTML(options);
+      });
+      return '<span class="math-parenthesis math-square-parenthesis">[</span>' + items.join('<span class="math-separator">,</span>') + '<span class="math-parenthesis math-square-parenthesis">]</span>';
+    }
+
+    /**
+     * Get LaTeX representation
+     * @param {Object} options
+     * @return {string} str
+     */
+    _toTex(options) {
+      function itemsToTex(items, nested) {
+        const mixedItems = items.some(_is.isArrayNode) && !items.every(_is.isArrayNode);
+        const itemsFormRow = nested || mixedItems;
+        const itemSep = itemsFormRow ? '&' : '\\\\';
+        const 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);
+    }
+  }
+  (0, _defineProperty2.default)(ArrayNode, "name", name);
+  return ArrayNode;
+}, {
+  isClass: true,
+  isNode: true
+});