mobinge/dist/PanelLibrarian.js

Client-heavy webcomic site display system

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

require("whatwg-fetch");

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

var PANLIB_DEFAULT_START = 1;
var PANLIB_DEFAULT_END = null;
var PANLIB_DEFAULT_RESOLUTION = "300px";
var PANLIB_DEFAULT_MANIFEST = "./manifest.json";

var PanelLibrarian = function () {
  function PanelLibrarian(manifest, start, end) {
    _classCallCheck(this, PanelLibrarian);

    this.startAt(start === undefined ? PANLIB_DEFAULT_START : start).manifest(manifest === undefined ? PANLIB_DEFAULT_MANIFEST : manifest).endAt(end === undefined ? PANLIB_DEFAULT_END : end).panels = null;
  }

  _createClass(PanelLibrarian, [{
    key: "startAt",
    value: function startAt(start) {
      if (start === undefined) {
        return this.start;
      }
      this.start = start;
      return this;
    }
  }, {
    key: "endAt",
    value: function endAt(end) {
      if (end === undefined) {
        return this.end;
      }
      this.end = end;
      return this;
    }
  }, {
    key: "manifest",
    value: function manifest(_manifest) {
      if (_manifest === undefined) {
        return this.manifest;
      }
      this.manifest = _manifest;
      this.getPanelData = fetch(_manifest);
      return this;
    }
  }, {
    key: "pickPanels",
    value: function pickPanels(resolution) {
      var _this = this;

      return this.panelData.images.filter(function (panel) {
        return panel.sequence >= _this.start && (_this.end === null || panel.sequence <= _this.end);
      }).map(function (panel) {
        return {
          sequence: panel.sequence,
          url: _this.panelData.path + panel.file[resolution]
        };
      });
    }
  }, {
    key: "fetchPanels",
    value: function fetchPanels(resolution) {
      var _this2 = this;

      resolution = resolution == undefined ? PANLIB_DEFAULT_RESOLUTION : resolution;
      if (this.panels !== null) {
        return new Promise(function () {
          return _this2.pickPanels(resolution);
        });
      }
      if (!this.getPanelData) {
        throw {
          'message': 'No manifest is set.'
        };
      }
      return this.getPanelData.then(function (response) {
        return response.json();
      }).then(function (panelData) {
        _this2.panelData = panelData;
        return _this2.pickPanels(resolution);
      });
    }
  }]);

  return PanelLibrarian;
}();

exports.default = PanelLibrarian;