sequency/lib/joinToString.js

Functional sequences for processing iterable data in JavaScript

Object.defineProperty(exports, "__esModule", { value: true });
exports.JoinToString = void 0;
var defaults = {
    value: "",
    separator: ", ",
    prefix: "",
    postfix: "",
    limit: -1,
    truncated: "...",
    transform: undefined
};
var JoinToString = /** @class */ (function () {
    function JoinToString() {
    }
    /**
     * Joins all elements of the sequence into a string with the given configuration.
     *
     * @param {JoinConfig<T>} config
     * @returns {string}
     */
    JoinToString.prototype.joinToString = function (config) {
        if (config === void 0) { config = defaults; }
        var _a = config.value, value = _a === void 0 ? defaults.value : _a, _b = config.separator, separator = _b === void 0 ? defaults.separator : _b, _c = config.prefix, prefix = _c === void 0 ? defaults.prefix : _c, _d = config.postfix, postfix = _d === void 0 ? defaults.postfix : _d, _e = config.limit, limit = _e === void 0 ? defaults.limit : _e, _f = config.truncated, truncated = _f === void 0 ? defaults.truncated : _f, _g = config.transform, transform = _g === void 0 ? defaults.transform : _g;
        var result = "".concat(value).concat(prefix);
        var count = 0;
        for (var item = this.iterator.next(); !item.done; item = this.iterator.next()) {
            count++;
            if (count > 1) {
                result += separator;
            }
            if (limit < 0 || count <= limit) {
                result += transform != null
                    ? transform(item.value)
                    : String(item.value);
            }
            else {
                break;
            }
        }
        if (limit >= 0 && count > limit) {
            result += truncated;
        }
        result += postfix;
        return result;
    };
    /**
     * Joins all elements of the sequence into a string with the given configuration.
     *
     * @param {JoinConfig<T>} config
     * @returns {string}
     */
    JoinToString.prototype.joinTo = function (config) {
        if (config === void 0) { config = defaults; }
        return this.joinToString(config);
    };
    return JoinToString;
}());
exports.JoinToString = JoinToString;
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