@jeetiss/upload/lib/multipart/multipart.js

Library for work with Uploadcare Upload API

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var multipartStart_1 = require("../api/multipartStart");
var multipartUpload_1 = require("../api/multipartUpload");
var multipartComplete_1 = require("../api/multipartComplete");
var defaultSettings_1 = require("../defaultSettings");
var getChunk = function (file, index, fileSize, chunkSize) {
    var start = chunkSize * index;
    var end = Math.min(start + chunkSize, fileSize);
    return file.slice(start, end);
};
/**
 * Upload multipart file.
 */
function multipart(file, _a) {
    var publicKey = _a.publicKey, contentType = _a.contentType, _b = _a.multipartChunkSize, multipartChunkSize = _b === void 0 ? defaultSettings_1.default.multipartChunkSize : _b, fileName = _a.fileName, baseURL = _a.baseURL, secureSignature = _a.secureSignature, secureExpire = _a.secureExpire, store = _a.store, cancel = _a.cancel, onProgress = _a.onProgress, source = _a.source, integration = _a.integration, retryThrottledRequestMaxTimes = _a.retryThrottledRequestMaxTimes;
    var fileSize = file.length || file.size;
    var progressValues;
    var createProgressHandler = function (size, index) {
        if (!onProgress)
            return;
        if (!progressValues) {
            progressValues = Array(size).fill(0);
        }
        var normalize = function (values) {
            return values.reduce(function (sum, next) { return sum + next; }) / size;
        };
        return function (_a) {
            var value = _a.value;
            progressValues[index] = value;
            onProgress({ value: normalize(progressValues) });
        };
    };
    return multipartStart_1.default(fileSize, {
        publicKey: publicKey,
        contentType: contentType,
        fileName: fileName,
        baseURL: baseURL,
        secureSignature: secureSignature,
        secureExpire: secureExpire,
        store: store,
        cancel: cancel,
        source: source,
        integration: integration,
        retryThrottledRequestMaxTimes: retryThrottledRequestMaxTimes
    })
        .then(function (_a) {
        var uuid = _a.uuid, parts = _a.parts;
        return Promise.all([
            uuid,
            Promise.all(parts.map(function (url, index) {
                return multipartUpload_1.default(getChunk(file, index, fileSize, multipartChunkSize), url, {
                    publicKey: publicKey,
                    onProgress: createProgressHandler(parts.length, index),
                    cancel: cancel,
                    integration: integration
                });
            }))
        ]);
    })
        .then(function (_a) {
        var uuid = _a[0];
        return multipartComplete_1.default(uuid, {
            publicKey: publicKey,
            baseURL: baseURL,
            source: source,
            integration: integration,
            retryThrottledRequestMaxTimes: retryThrottledRequestMaxTimes
        });
    })
        .then(function (result) {
        // hack for node ¯\_(ツ)_/¯
        if (onProgress)
            onProgress({ value: 1 });
        return result;
    });
}
exports.default = multipart;