Files
traxxx-web/src/censor.js

56 lines
1.1 KiB
JavaScript

import config from 'config';
import {
TextCensor,
RegExpMatcher,
englishDataset,
englishRecommendedTransformers,
DataSet,
pattern,
// asteriskCensorStrategy,
} from 'obscenity';
const textCensor = new TextCensor();
// built-in asterisk strategy replaces entire word
textCensor.setStrategy(({
input,
startIndex,
endIndex,
matchLength,
}) => {
if (matchLength <= 2) {
return '*'.repeat(matchLength);
}
return `${input.at(startIndex)}${'*'.repeat(matchLength - 2)}${input.at(endIndex)}`;
});
const dataset = new DataSet().addAll(englishDataset);
config.restrictions.censors.forEach((word) => {
dataset.addPhrase((phrase) => phrase
.setMetadata({ originalWord: word })
.addPattern(pattern`${word}`));
});
const matcher = new RegExpMatcher({
...dataset.build(),
...englishRecommendedTransformers,
});
export function censor(text, restriction) {
if (!text) {
return null;
}
if (!restriction) {
return text;
}
const censorMatches = matcher.getAllMatches(text);
const censoredText = textCensor.applyTo(text, censorMatches);
return censoredText;
}