lamers-mime/dist/index.js

Minimalist MIME type mapping package

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.mimeType = mimeType;
exports.extension = extension;
const mimetypes_1 = require("./mimetypes");
const path_1 = require("path");
/**
  * This function returns the MIME type of a file based on its extension.
  * If the MIME type is not found, it returns 'application/octet-stream'.
  * @param {string} filename - The name of the file.
*/
function mimeType(filename) {
    const ext = (0, path_1.extname)(filename).replace(/^\./, '').toLowerCase();
    const mime = Object.keys(mimetypes_1.MIMETYPES).find(key => mimetypes_1.MIMETYPES[key].includes(ext));
    return mime || 'application/octet-stream';
}
/**
  * This function returns the extension(s) of a file based on its MIME type.
  * If the extension is not found, it returns null.
  * @param {string} mime - The MIME type of the file.
*/
function extension(mime) {
    return mimetypes_1.MIMETYPES[mime] || null;
}