Method _compile

src/expression/node/ObjectNode.js:52–78

* 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} argNam

(math, argNames)

     *                        evalNode(scope: Object, args: Object, context: *)
     */
    _compile (math, argNames) {
      const evalEntries = {}

      for (const key in this.properties) {
        if (hasOwnProperty(this.properties, key)) {
          // we stringify/parse the key here to resolve unicode characters,
          // so you cannot create a key like {"co\\u006Estructor": null}
          const stringifiedKey = stringify(key)
          const parsedKey = JSON.parse(stringifiedKey)
          const prop = getSafeProperty(this.properties, key)

          evalEntries[parsedKey] = prop._compile(math, argNames)
        }
      }

      return function evalObjectNode (scope, args, context) {
        const obj = {}

        for (const key in evalEntries) {
          if (hasOwnProperty(evalEntries, key)) {
            obj[key] = evalEntries[key](scope, args, context)
          }
        }

        return obj
      }
    }

    /**
     * Execute a callback for each of the child nodes of this node