simple-squiggle

A restricted subset of Squiggle
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assign.js (2025B)

      1 "use strict";
      2 
      3 var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
      4 
      5 Object.defineProperty(exports, "__esModule", {
      6   value: true
      7 });
      8 exports.assignFactory = assignFactory;
      9 
     10 var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
     11 
     12 var _errorTransform = require("../../transform/utils/errorTransform.js");
     13 
     14 var _customs = require("../../../utils/customs.js");
     15 
     16 function assignFactory(_ref) {
     17   var subset = _ref.subset,
     18       matrix = _ref.matrix;
     19 
     20   /**
     21    * Replace part of an object:
     22    *
     23    * - Assign a property to an object
     24    * - Replace a part of a string
     25    * - Replace a matrix subset
     26    *
     27    * @param {Object | Array | Matrix | string} object
     28    * @param {Index} index
     29    * @param {*} value
     30    * @return {Object | Array | Matrix | string} Returns the original object
     31    *                                            except in case of a string
     32    */
     33   // TODO: change assign to return the value instead of the object
     34   return function assign(object, index, value) {
     35     try {
     36       if (Array.isArray(object)) {
     37         // we use matrix.subset here instead of the function subset because we must not clone the contents
     38         return matrix(object).subset(index, value).valueOf();
     39       } else if (object && typeof object.subset === 'function') {
     40         // Matrix
     41         return object.subset(index, value);
     42       } else if (typeof object === 'string') {
     43         // TODO: move setStringSubset into a separate util file, use that
     44         return subset(object, index, value);
     45       } else if ((0, _typeof2.default)(object) === 'object') {
     46         if (!index.isObjectProperty()) {
     47           throw TypeError('Cannot apply a numeric index as object property');
     48         }
     49 
     50         (0, _customs.setSafeProperty)(object, index.getObjectProperty(), value);
     51         return object;
     52       } else {
     53         throw new TypeError('Cannot apply index: unsupported type of object');
     54       }
     55     } catch (err) {
     56       throw (0, _errorTransform.errorTransform)(err);
     57     }
     58   };
     59 }