mime-controller
Version:
Helps you find the file type easily.
18 lines (17 loc) • 449 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.validateJPEG = void 0;
function validateJPEG(binary) {
var hex = binary.toString('hex').toLocaleUpperCase();
if (!hex.startsWith('FFD8')) {
return false;
}
if (!hex.endsWith('FFD9')) {
return false;
}
if (hex.indexOf('4A46494600') == -1) {
return false;
}
return true;
}
exports.validateJPEG = validateJPEG;