stringzy
Version:
A versatile string manipulation library providing a range of text utilities for JavaScript and Node.js applications.
31 lines (30 loc) • 1.31 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isTypeOf = isTypeOf;
/**
* Checks if a file name or URL string has a valid extension for a given type.
*
* @param {string} input - File name or URL.
* @param {string} type - The type category to validate.
* @returns {boolean}
* @throws error when input is not string or type is not defined
*/
function isTypeOf(input, type) {
var _a;
if (typeof input !== "string" || typeof type !== "string")
return false;
// Gets the substring after the last (.), then converts to lowercase, removes (?) and (#)
// Example: "image.png?version=2#top", returns "png"
const extension = (_a = input.split(".").pop()) === null || _a === void 0 ? void 0 : _a.toLowerCase().split("?")[0].split("#")[0];
if (!extension)
return false;
const typeMap = {
image: ["png", "jpg", "jpeg", "gif", "bmp", "svg", "webp", "ico"],
video: ["mp4", "webm", "avi", "mkv", "mov", "flv"],
audio: ["mp3", "wav", "ogg", "flac", "aac"],
document: ["pdf", "doc", "docx", "xls", "xlsx", "ppt", "pptx", "txt", "md"],
archive: ["zip", "rar", "tar", "gz", "7z"],
};
const allowed = typeMap[type.toLowerCase()];
return allowed ? allowed.includes(extension) : false;
}