diffusion/src/internal/util/regex.js

Diffusion JavaScript client

"use strict";
/**
 * @module Util.RegEx
 *
 * @brief Utility functions for regular expressions
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.regex = void 0;
var errors_1 = require("./../../errors/errors");
/**
 * Create a regex matcher function for a given regex expression, with an
 * optional context for RegEx construction error messages.
 *
 * The returned function will evaluate the generated regex across the entire
 * region of the given input. This is equivalent to Matcher.matches in Java.
 *
 * @param s       the regular expression
 * @param context the optional context message
 * @returns       the tester function
 * @throws        an {@link IllegalArgumentError} if the regex couldn't be created
 */
function regex(s, context) {
    if (context === void 0) { context = ''; }
    if (s === '') {
        throw new errors_1.IllegalArgumentError('Empty regular expression [' + context + ']');
    }
    try {
        var r_1 = new RegExp(s);
        return function (test) {
            // because JS regex will match any part of the test string,
            // we have to verify the results to ensure the entire part matches
            var m = r_1.exec(test);
            return m && m[0] === test;
        };
    }
    catch (e) {
        throw new errors_1.IllegalArgumentError('Bad regular expression [' + e.message + ', ' + context + ']');
    }
}
exports.regex = regex;