import { createHash as cryptoCreateHash } from 'node:crypto';
export function createHash(data: string): string {
return cryptoCreateHash('sha256').update(data).digest('hex').slice(0, 7);
}
// Regex to match filesystem unsafe characters (excluding control characters)
const UNSAFE_FILENAME_CHARS = /[<>:"/\\|?*]+/g;
// Remove control characters (0x00-0x1F and 0x7F) to avoid regex warnings and ensure filesystem safety
function removeControlCharacters(str: string): string {
// Use string methods to remove control characters to avoid regex warnings
return str
.split('')
.map((char) => {
const code = char.charCodeAt(0);
return (code >= 0 && code <= 31) || code === 127 ? '-' : char;
})
.join('');
}
export function sanitizeForFilePath(input: string) {
const sanitize = (str: string) => {
// First remove control characters, then unsafe filename characters
const cleanStr = removeControlCharacters(str);
return cleanStr.replace(UNSAFE_FILENAME_CHARS, '-');
};
const separator = input.lastIndexOf('.');
if (separator === -1) {
return sanitize(input);
}
return (
sanitize(input.substring(0, separator)) +
'.' +
sanitize(input.substring(separator + 1))
);
}
