@sudoo/marked/operation/unary.js

JavaScript & TypeScript code runner in JavaScript, safe with marked territory, asynchronous

"use strict";
/**
 * @author WMXPY
 * @namespace Operation
 * @description Unary
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.getUnaryOperation = void 0;
const error_code_1 = require("../declare/error-code");
const error_1 = require("../util/error/error");
const sand_class_1 = require("../variable/sand-class/sand-class");
const sand_class_instance_1 = require("../variable/sand-class/sand-class-instance");
const sand_function_1 = require("../variable/sand-function/sand-function");
const sand_list_1 = require("../variable/sand-list");
const sand_map_1 = require("../variable/sand-map");
const getUnaryOperation = (symbol) => {
    switch (symbol) {
        case "!": return (value) => !Boolean(value);
        case "+": return null;
        case "-": return (value) => {
            if (typeof value === "number" && !isNaN(value)) {
                return value * -1;
            }
            throw (0, error_1.error)(error_code_1.ERROR_CODE.NEGATIVE_UNARY_ONLY_AVAILABLE_FOR_VALID_NUMBER, symbol);
        };
        case "delete": return null;
        case "typeof": return (value) => {
            if (value === null) {
                return "null";
            }
            if (value instanceof sand_class_1.SandClass) {
                return "class";
            }
            if (value instanceof sand_class_instance_1.SandClassInstance) {
                return "class-instance";
            }
            if (value instanceof sand_function_1.SandFunction) {
                return "function";
            }
            if (value instanceof sand_list_1.SandList) {
                return "array";
            }
            if (value instanceof sand_map_1.SandMap) {
                return "object";
            }
            return typeof value;
        };
        case "void": return () => undefined;
        case "~": return null;
    }
    return null;
};
exports.getUnaryOperation = getUnaryOperation;