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feat: text censor (service updated to match censor patter instead of spliting input)

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This commit is contained in:
Chesterkxng 2025-07-08 21:02:55 +02:00
parent f7028f8683
commit eff16d69a8
1 changed files with 26 additions and 26 deletions
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52
src/pages/tools/string/censor/service.ts
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@ -4,46 +4,46 @@ export function censorText(input: string, options: InitialValuesType): string {
if (!input) return ''; if (!input) return '';
if (!options.wordsToCensor) return input; if (!options.wordsToCensor) return input;
if (options.censoredBySymbol && !isSymbol(options.censorSymbol[0])) { if (options.censoredBySymbol && !isSymbol(options.censorSymbol)) {
throw new Error('Enter a valid censor symbol (non-alphanumeric or emoji)'); throw new Error('Enter a valid censor symbol (non-alphanumeric or emoji)');
} }
// Split text into words and punctuation using Unicode-aware regex
const regex = /([\s\p{P}])/gu;
const textWords = input.split(regex);
// Normalize censor words (trim and lowercase)
const wordsToCensor = options.wordsToCensor const wordsToCensor = options.wordsToCensor
.split('\n') .split('\n')
.map((word) => word.trim().toLowerCase()) .map((word) => word.trim())
.filter((word) => word.length > 0); .filter((word) => word.length > 0);
const censoredText = textWords let censoredText = input;
.map((word) => {
const lowerWord = word.toLowerCase(); for (const word of wordsToCensor) {
if (wordsToCensor.includes(lowerWord)) { const escapedWord = escapeRegex(word);
if (options.censoredBySymbol) { const pattern = new RegExp(`\\b${escapedWord}\\b`, 'giu');
return options.eachLetter
? options.censorSymbol.repeat(word.length) const replacement = options.censoredBySymbol
: options.censorSymbol; ? options.eachLetter
} else { ? options.censorSymbol.repeat(word.length)
return options.censorWord; : options.censorSymbol
} : options.censorWord;
}
return word; censoredText = censoredText.replace(pattern, replacement);
}) }
.join('');
return censoredText; return censoredText;
} }
/** /**
* Determines if a character is a symbol or emoji. * Escapes RegExp special characters in a string
* Accepts single characters that are non-letter and non-number, */
* or extended pictographic characters (like emojis). function escapeRegex(str: string): string {
return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}
/**
* Determines if a string is a valid symbol or emoji (multi-codepoint supported).
*/ */
function isSymbol(input: string): boolean { function isSymbol(input: string): boolean {
return ( return (
/^[^\p{L}\p{N}]+$/u.test(input) || /\p{Extended_Pictographic}/u.test(input) /^[^\p{L}\p{N}]+$/u.test(input) || // Not a letter or number
/\p{Extended_Pictographic}/u.test(input) // Emoji or pictographic symbol
); );
} }