@twilio-labs/serverless-api/dist/utils/content-type.js

API-wrapper for the Twilio Serverless API

"use strict";
/** @module @twilio-labs/serverless-api/dist/utils */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getContentType = void 0;
const mime_types_1 = __importDefault(require("mime-types"));
const path_1 = __importDefault(require("path"));
function hasExtension(name) {
    if (typeof name === 'undefined') {
        return false;
    }
    return path_1.default.extname(name).length !== 0;
}
/**
 * Tries to determine the content type of a string or buffer
 *
 * @export
 * @param {(string | Buffer)} content the content to check
 * @returns {Promise<(string | undefined)>} a valid content type or undefined
 */
async function getContentType(content, name) {
    let contentType;
    if (content instanceof Buffer && !hasExtension(name)) {
        const { fileTypeFromBuffer } = await import('file-type');
        const type = await fileTypeFromBuffer(content);
        if (type) {
            contentType = type.mime;
        }
    }
    if (name && !contentType) {
        contentType = mime_types_1.default.lookup(name) || undefined;
    }
    return contentType;
}
exports.getContentType = getContentType;