@telerik/kendo-intl/dist/es/errors.js

A package exporting functions for date and number parsing and formatting

import errorDetails from './error-details';

var formatRegExp = /\{(\d+)}?\}/g;

var IntlError = function IntlError(ref) {
    var name = ref.name;
    var message = ref.message;

    if (!name || !message) {
        throw new Error("{ name: string, message: string } object is required!");
    }

    this.name = name;
    this.message = message;
};

IntlError.prototype.formatMessage = function formatMessage () {
        var values = [], len = arguments.length;
        while ( len-- ) values[ len ] = arguments[ len ];

    var flattenValues = flatten(values);

    var formattedMessage = this.message.replace(formatRegExp, function(match, index) {
        return flattenValues[parseInt(index, 10)];
    });

    return ((this.name) + ": " + formattedMessage);
};

IntlError.prototype.error = function error () {
        var values = [], len = arguments.length;
        while ( len-- ) values[ len ] = arguments[ len ];

    return new Error(this.formatMessage(values));
};

var flatten = function(arr) {
    return arr.reduce(function (a, b) { return a.concat(b); }, []);
};

var toIntlErrors = function(errors) {
    var predicate = function(prev, name) {
        prev[name] = new IntlError({ name: name, message: errors[name] });
        return prev;
    };

    return Object.keys(errors).reduce(predicate, {});
};

var errors = toIntlErrors(errorDetails);

export {
    errors,
    IntlError,
    toIntlErrors
};