formatString.js

/**
 * Created by gavorhes on 10/30/2015.
 */
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
if (!String.prototype['format']) {
    /**
     *  helper function for string replacement to keep code clean
     * usage
     * var aString = 'some{0}stuff{1}replaced';
     * var c = 'cat';
     * var b = 'bird';
     * aString.format(c, b)  returns 'somecatstuffbirdreplaced'
     * prettier than
     * 'some' + c + 'stuff' + b + 'replaced'
     * but same effect
     * adapted to take a single array that is used for replacement by position ie
     * var arrReplacements = [c, b];
     * aString.format(arrReplacements)
     * @returns {string} converted string
     */
    String.prototype['format'] = function () {
        var args = arguments;
        for (var i = 0; i < args.length; i++) {
            args[i] = (args[i] !== null ? args[i] : '');
        }
        //if the first argument is an array, use that
        if (args[0].constructor == Array) {
            args = args[0];
        }
        return this.replace(/{(\d+)}/g, function (match, number) {
            return typeof args[number] != 'undefined' ? args[number] : match;
        });
    };
}
exports.default = undefined;
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