odatafy-parser/dist/src/parsing/orderbyParser.js

generate odatafy ast from odata query parameters

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const errors_1 = require("../types/errors");
const nodes_1 = require("../types/nodes");
const utils_1 = require("../utils");
exports.default = {
    /**
     * Parser for orderby expression
     * @param expr orderby expression as string
     * @example orderbyParser.parse("Country/Name asc,Street desc")
     * @returns AbstractSyntaxTree (AST) of type OrderbyNode
     */
    parse: function parseOrderby(expr) {
        const regexp = new RegExp('^(([a-zA-z/]+ (asc|desc),)|[a-zA-z/]+,)*(([a-zA-z/]+ (asc|desc))|[a-zA-z/]+)$', 'gmy');
        if (regexp.test(expr)) {
            return {
                nodeType: nodes_1.NodeTypes.OrderbyNode,
                value: expr.split(',').map((ele) => {
                    const splt_ele = ele.trim().split(' ');
                    return {
                        nodeType: nodes_1.NodeTypes.OrderbyItemNode,
                        type: (splt_ele.length == 1
                            ? nodes_1.OrderDirection.Asc
                            : splt_ele[1]),
                        value: splt_ele[0]
                    };
                })
            };
        }
        else {
            throw (0, utils_1.getOdatafyParserError)('malformed orderby expression', errors_1.OdatafyQueryOptions.OrderBy);
        }
    }
};