deep-profanity-filter/dist/replace_input.js

A thorough profanity filter that considers most common circumventions. Works with your custom list of blocked and whitelisted words and phrases. Identifies and/or replaces bad words. Works with *wildcards* at *start and/or end* of words.

"use strict";
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.replaceChars = exports.grawlix = void 0;
var grawlixSymbols = '%&$#?£@!';
/**
 * Transforms the full input string into so-called 'grawlix' (`%&$#?£@!`) characters.
 * @param inputString - The text we want to be turned into grawlix characters.
 * @returns The text, transformed into a mess of `%&$#?£@!` characters.
 * Simple whitespace will be preserved.
 */
var grawlix = function (inputString) {
    var outString = '';
    var lastCharacter = '';
    for (var i = 0; i < inputString.length; i++) {
        if (inputString.charAt(i).match(/[^a-zA-Z0-9]/g)) {
            outString += inputString.charAt(i);
        }
        else {
            var symbolIndex = inputString.charCodeAt(i) % grawlixSymbols.length;
            if (lastCharacter === grawlixSymbols[symbolIndex]) {
                symbolIndex = (symbolIndex + 1) % grawlixSymbols.length;
            }
            outString += grawlixSymbols[symbolIndex];
            lastCharacter = grawlixSymbols[symbolIndex];
        }
    }
    return outString;
};
exports.grawlix = grawlix;
/**
 * Replaces the full input strings with a repetition of the replacement character, but preserves
 * simple whitespace.
 * @param inputString - The text that we want to replace with the replacement character.
 * @param replacementCharacter - The character that we want to replace it with. If a string of
 * `length > 1` is provided, it will only use the first character.
 * @returns The text, transformed into a repetition of the replacement character, but with
 * simple whitespaces being preserved.
 */
var replaceChars = function (inputString, replacementCharacter) {
    var e_1, _a;
    var replaceChar = replacementCharacter[0];
    var outString = '';
    try {
        for (var inputString_1 = __values(inputString), inputString_1_1 = inputString_1.next(); !inputString_1_1.done; inputString_1_1 = inputString_1.next()) {
            var char = inputString_1_1.value;
            if (char.match(/[^a-zA-Z0-9]/g)) {
                outString += char;
            }
            else {
                outString += replaceChar;
            }
        }
    }
    catch (e_1_1) { e_1 = { error: e_1_1 }; }
    finally {
        try {
            if (inputString_1_1 && !inputString_1_1.done && (_a = inputString_1.return)) _a.call(inputString_1);
        }
        finally { if (e_1) throw e_1.error; }
    }
    return outString;
};
exports.replaceChars = replaceChars;
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