telegraph-wrapper/src/upload.js

Telegra.ph API wrapper with docs and files upload

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (g && (g = 0, op[0] && (_ = 0)), _) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
exports.__esModule = true;
exports.upload = void 0;
var FormData = require("form-data");
var URL = require("url");
var https = require("https");
var http = require("http");
var fs = require("fs");
var URLOAD_URL = 'https://telegra.ph/upload';
var submit = function (form, cb) {
    form.submit(URLOAD_URL, function (err, response) {
        if (err)
            throw err;
        var body = '';
        response.on('data', function (chunk) {
            body += chunk.toString();
        });
        response.on('end', function () { return cb(JSON.parse(body)); });
        response.resume();
    });
};
var remote = function (urls) { return __awaiter(void 0, void 0, void 0, function () {
    return __generator(this, function (_a) {
        return [2 /*return*/, (new Promise(function (res) {
                var form = new FormData();
                var allimg = urls.map(function (fileUrl, i) { return (new Promise(function (fileRes) {
                    var uri = URL.parse(fileUrl);
                    var fetch = uri.protocol === 'https:' ? https : http;
                    fetch.get(fileUrl, function (response) {
                        form.append("file".concat(i), response);
                        fileRes(true);
                    });
                })); });
                Promise.all(allimg).then(function () { return submit(form, res); });
            }))];
    });
}); };
var local = function (urls) { return __awaiter(void 0, void 0, void 0, function () {
    return __generator(this, function (_a) {
        return [2 /*return*/, (new Promise(function (res) {
                var form = new FormData();
                for (var i = 0; i < urls.length; i += 1) {
                    form.append("file".concat(i), fs.readFileSync(urls[i]), "file".concat(i, ".png"));
                }
                submit(form, res);
            }))];
    });
}); };
/**
 * Upload files to telegra.ph server
 * @param {string | Array<string>} urls
 * Single link or array of links. Remote files must starts with `http` or `https`
 * @returns {Promise}
 */
var upload = function (urls) { return __awaiter(void 0, void 0, void 0, function () {
    var urlArr, isUrl, mix;
    return __generator(this, function (_a) {
        urlArr = Array.isArray(urls) ? urls : [urls];
        isUrl = function (p) { return /^http/.test(p); };
        mix = urlArr.every(function (e) { return isUrl(e) === isUrl(urlArr[0]); });
        if (!mix) {
            throw new Error('Do not mix local and remote links!');
        }
        if (isUrl(urlArr[0])) {
            return [2 /*return*/, remote(urlArr)];
        }
        return [2 /*return*/, local(urlArr)];
    });
}); };
exports.upload = upload;