uppy/lib/plugins/StatusBar/index.js

Extensible JavaScript file upload widget with support for drag&drop, resumable uploads, previews, restrictions, file processing/encoding, remote providers like Instagram, Dropbox, Google Drive, S3 and more :dog:

'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Plugin = require('../../core/Plugin');
var Translator = require('../../core/Translator');
var StatusBarUI = require('./StatusBar');

var _require = require('../../core/Utils'),
    getSpeed = _require.getSpeed;

var _require2 = require('../../core/Utils'),
    getBytesRemaining = _require2.getBytesRemaining;

var _require3 = require('../../core/Utils'),
    prettyETA = _require3.prettyETA;

var prettyBytes = require('prettier-bytes');

/**
 * A status bar.
 */
module.exports = function (_Plugin) {
  _inherits(StatusBar, _Plugin);

  function StatusBar(uppy, opts) {
    _classCallCheck(this, StatusBar);

    var _this = _possibleConstructorReturn(this, _Plugin.call(this, uppy, opts));

    _this.id = _this.opts.id || 'StatusBar';
    _this.title = 'StatusBar';
    _this.type = 'progressindicator';

    var defaultLocale = {
      strings: {
        uploading: 'Uploading...',
        uploadComplete: 'Upload complete',
        uploadFailed: 'Upload failed',
        pleasePressRetry: 'Please press Retry to upload again',
        paused: 'Paused',
        error: 'Error',
        retry: 'Retry',
        pressToRetry: 'Press to retry',
        retryUpload: 'Retry upload',
        resumeUpload: 'Resume upload',
        cancelUpload: 'Cancel upload',
        pauseUpload: 'Pause upload',
        uploadXFiles: {
          0: 'Upload %{smart_count} file',
          1: 'Upload %{smart_count} files'
        },
        uploadXNewFiles: {
          0: 'Upload +%{smart_count} file',
          1: 'Upload +%{smart_count} files'
        }
      }

      // set default options
    };var defaultOptions = {
      target: 'body',
      hideUploadButton: false,
      showProgressDetails: false,
      locale: defaultLocale,
      hideAfterFinish: true

      // merge default options with the ones set by user
    };_this.opts = _extends({}, defaultOptions, opts);

    _this.locale = _extends({}, defaultLocale, _this.opts.locale);
    _this.locale.strings = _extends({}, defaultLocale.strings, _this.opts.locale.strings);

    _this.translator = new Translator({ locale: _this.locale });
    _this.i18n = _this.translator.translate.bind(_this.translator);

    _this.startUpload = _this.startUpload.bind(_this);
    _this.render = _this.render.bind(_this);
    _this.install = _this.install.bind(_this);
    return _this;
  }

  StatusBar.prototype.getTotalSpeed = function getTotalSpeed(files) {
    var totalSpeed = 0;
    files.forEach(function (file) {
      totalSpeed = totalSpeed + getSpeed(file.progress);
    });
    return totalSpeed;
  };

  StatusBar.prototype.getTotalETA = function getTotalETA(files) {
    var totalSpeed = this.getTotalSpeed(files);
    if (totalSpeed === 0) {
      return 0;
    }

    var totalBytesRemaining = files.reduce(function (total, file) {
      return total + getBytesRemaining(file.progress);
    }, 0);

    return Math.round(totalBytesRemaining / totalSpeed * 10) / 10;
  };

  StatusBar.prototype.startUpload = function startUpload() {
    return this.uppy.upload().catch(function () {
      // Ignore
    });
  };

  StatusBar.prototype.render = function render(state) {
    var files = state.files;

    var uploadStartedFiles = Object.keys(files).filter(function (file) {
      return files[file].progress.uploadStarted;
    });
    var newFiles = Object.keys(files).filter(function (file) {
      return !files[file].progress.uploadStarted && !files[file].progress.preprocess && !files[file].progress.postprocess;
    });
    var completeFiles = Object.keys(files).filter(function (file) {
      return files[file].progress.uploadComplete;
    });
    var erroredFiles = Object.keys(files).filter(function (file) {
      return files[file].error;
    });
    var inProgressFiles = Object.keys(files).filter(function (file) {
      return !files[file].progress.uploadComplete && files[file].progress.uploadStarted && !files[file].isPaused;
    });
    var processingFiles = Object.keys(files).filter(function (file) {
      return files[file].progress.preprocess || files[file].progress.postprocess;
    });

    var inProgressFilesArray = [];
    inProgressFiles.forEach(function (file) {
      inProgressFilesArray.push(files[file]);
    });

    var totalSpeed = prettyBytes(this.getTotalSpeed(inProgressFilesArray));
    var totalETA = prettyETA(this.getTotalETA(inProgressFilesArray));

    // total size and uploaded size
    var totalSize = 0;
    var totalUploadedSize = 0;
    inProgressFilesArray.forEach(function (file) {
      totalSize = totalSize + (file.progress.bytesTotal || 0);
      totalUploadedSize = totalUploadedSize + (file.progress.bytesUploaded || 0);
    });
    totalSize = prettyBytes(totalSize);
    totalUploadedSize = prettyBytes(totalUploadedSize);

    var isUploadStarted = uploadStartedFiles.length > 0;

    var isAllComplete = state.totalProgress === 100 && completeFiles.length === Object.keys(files).length && processingFiles.length === 0;

    var isAllErrored = isUploadStarted && erroredFiles.length === uploadStartedFiles.length;

    var isAllPaused = inProgressFiles.length === 0 && !isAllComplete && !isAllErrored && uploadStartedFiles.length > 0;

    var resumableUploads = this.uppy.getState().capabilities.resumableUploads || false;

    return StatusBarUI({
      error: state.error,
      totalProgress: state.totalProgress,
      totalSize: totalSize,
      totalUploadedSize: totalUploadedSize,
      uploadStartedFiles: uploadStartedFiles,
      isAllComplete: isAllComplete,
      isAllPaused: isAllPaused,
      isAllErrored: isAllErrored,
      isUploadStarted: isUploadStarted,
      i18n: this.i18n,
      pauseAll: this.uppy.pauseAll,
      resumeAll: this.uppy.resumeAll,
      retryAll: this.uppy.retryAll,
      cancelAll: this.uppy.cancelAll,
      startUpload: this.startUpload,
      complete: completeFiles.length,
      newFiles: newFiles.length,
      inProgress: uploadStartedFiles.length,
      totalSpeed: totalSpeed,
      totalETA: totalETA,
      files: state.files,
      resumableUploads: resumableUploads,
      hideUploadButton: this.opts.hideUploadButton,
      hideAfterFinish: this.opts.hideAfterFinish
    });
  };

  StatusBar.prototype.install = function install() {
    var target = this.opts.target;
    if (target) {
      this.mount(target, this);
    }
  };

  StatusBar.prototype.uninstall = function uninstall() {
    this.unmount();
  };

  return StatusBar;
}(Plugin);
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