jaydata/lib/TypeSystem/Extensions.js

Cross-platform HTML5 data-management, JavaScript Language Query (JSLQ) support for OData, SQLite, WebSQL, IndexedDB, YQL and Facebook (packaged for Node.JS)

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
var StringFunctions = exports.StringFunctions = {
    startsWith: function startsWith() {
        var self, str;
        if (arguments.length == 2) {
            self = arguments[0];
            str = arguments[1];
        } else if (arguments.length == 1 && typeof this === 'string') {
            self = this;
            str = arguments[0];
        } else if (this instanceof String) {
            self = this.valueOf();
            str = arguments[0];
        } else return false;

        if (typeof self !== 'string') return false;
        return self.indexOf(str) === 0;
    },
    endsWith: function endsWith() {
        var self, str;
        if (arguments.length == 2) {
            self = arguments[0];
            str = arguments[1];
        } else if (arguments.length == 1 && typeof this === 'string') {
            self = this;
            str = arguments[0];
        } else if (this instanceof String) {
            self = this.valueOf();
            str = arguments[0];
        } else return false;

        if (typeof self !== 'string') return false;
        return self.slice(-str.length) === str;
    },
    contains: function contains() {
        var self, str;
        if (arguments.length == 2) {
            self = arguments[0];
            str = arguments[1];
        } else if (arguments.length == 1 && typeof this === 'string') {
            self = this;
            str = arguments[0];
        } else if (this instanceof String) {
            self = this.valueOf();
            str = arguments[0];
        } else return false;

        if (typeof self !== 'string') return false;
        return self.indexOf(str) >= 0;
    }
};