amos-tool/lib/browser/indexDB.js

amos ui tool

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"), _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck")), _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass")), InvalidStorageDB = function() {
  return (0, _createClass2.default)(function e() {
    (0, _classCallCheck2.default)(this, e);
  }, [ {
    key: "init",
    value: function() {}
  }, {
    key: "get",
    value: function() {}
  }, {
    key: "set",
    value: function() {}
  }, {
    key: "clear",
    value: function() {}
  } ]);
}(), StorageDB = function() {
  return (0, _createClass2.default)(function e(t) {
    (0, _classCallCheck2.default)(this, e);
    var a = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
    if (void 0 === a) return console.warn("Storage: IndexedDB not available."), new InvalidStorageDB;
    this._name = t.name || "amostool-db", this.version = t.version || 1, this.storeName = t.storeName || "item", 
    this.database, this.indexedDB = a, this.performance = window.performance || {
      now: function() {}
    };
  }, [ {
    key: "init",
    value: function(e) {
      var t = this, a = t.storeName, n = t.indexedDB.open(t._name, t.version);
      n.onupgradeneeded = function(e) {
        var t = e.target.result;
        !1 === t.objectStoreNames.contains(a) && t.createObjectStore(a);
      }, n.onsuccess = function(a) {
        t.database = a.target.result, e && e();
      }, n.onerror = function(e) {
        console.error("IndexedDB", e);
      };
    }
  }, {
    key: "get",
    value: function(e) {
      var t = this.storeName;
      this.database.transaction([ t ], "readwrite").objectStore(t).get(0).onsuccess = function(t) {
        e && e(t.target.result);
      };
    }
  }, {
    key: "set",
    value: function(e, t) {
      var a = this, n = a.performance.now(), r = a.storeName;
      a.database.transaction([ r ], "readwrite").objectStore(r).put(e, 0).onsuccess = function(e) {
        console.log("[".concat(/\d\d\:\d\d\:\d\d/.exec(new Date)[0], "]"), "Saved item to IndexedDB. ".concat((a.performance.now() - n).toFixed(2), "ms")), 
        t && t(e.target.result);
      };
    }
  }, {
    key: "clear",
    value: function() {
      var e = this;
      if (void 0 !== e.database) {
        var t = e.storeName;
        e.database.transaction([ t ], "readwrite").objectStore(t).clear().onsuccess = function(e) {
          console.log("[".concat(/\d\d\:\d\d\:\d\d/.exec(new Date)[0], "]"), "Cleared IndexedDB.");
        };
      }
    }
  } ]);
}();

module.exports = StorageDB;