ethstats-server/web-app/.meteor/local/build/programs/web.browser/packages/id-map.js
2015-08-14 19:22:53 +02:00

127 lines
8.4 KiB
JavaScript

//////////////////////////////////////////////////////////////////////////
// //
// This is a generated file. You can view the original //
// source in your browser if your browser supports source maps. //
// //
// If you are using Chrome, open the Developer Tools and click the gear //
// icon in its lower right corner. In the General Settings panel, turn //
// on 'Enable source maps'. //
// //
// If you are using Firefox 23, go to `about:config` and set the //
// `devtools.debugger.source-maps-enabled` preference to true. //
// (The preference should be on by default in Firefox 24; versions //
// older than 23 do not support source maps.) //
// //
//////////////////////////////////////////////////////////////////////////
(function () {
/* Imports */
var Meteor = Package.meteor.Meteor;
var _ = Package.underscore._;
var JSON = Package.json.JSON;
var EJSON = Package.ejson.EJSON;
/* Package-scope variables */
var IdMap;
(function () {
////////////////////////////////////////////////////////////////////////////////
// //
// packages/id-map/id-map.js //
// //
////////////////////////////////////////////////////////////////////////////////
//
IdMap = function (idStringify, idParse) { // 1
var self = this; // 2
self._map = {}; // 3
self._idStringify = idStringify || JSON.stringify; // 4
self._idParse = idParse || JSON.parse; // 5
}; // 6
// 7
// Some of these methods are designed to match methods on OrderedDict, since // 8
// (eg) ObserveMultiplex and _CachingChangeObserver use them interchangeably. // 9
// (Conceivably, this should be replaced with "UnorderedDict" with a specific // 10
// set of methods that overlap between the two.) // 11
// 12
_.extend(IdMap.prototype, { // 13
get: function (id) { // 14
var self = this; // 15
var key = self._idStringify(id); // 16
return self._map[key]; // 17
}, // 18
set: function (id, value) { // 19
var self = this; // 20
var key = self._idStringify(id); // 21
self._map[key] = value; // 22
}, // 23
remove: function (id) { // 24
var self = this; // 25
var key = self._idStringify(id); // 26
delete self._map[key]; // 27
}, // 28
has: function (id) { // 29
var self = this; // 30
var key = self._idStringify(id); // 31
return _.has(self._map, key); // 32
}, // 33
empty: function () { // 34
var self = this; // 35
return _.isEmpty(self._map); // 36
}, // 37
clear: function () { // 38
var self = this; // 39
self._map = {}; // 40
}, // 41
// Iterates over the items in the map. Return `false` to break the loop. // 42
forEach: function (iterator) { // 43
var self = this; // 44
// don't use _.each, because we can't break out of it. // 45
var keys = _.keys(self._map); // 46
for (var i = 0; i < keys.length; i++) { // 47
var breakIfFalse = iterator.call(null, self._map[keys[i]], // 48
self._idParse(keys[i])); // 49
if (breakIfFalse === false) // 50
return; // 51
} // 52
}, // 53
size: function () { // 54
var self = this; // 55
return _.size(self._map); // 56
}, // 57
setDefault: function (id, def) { // 58
var self = this; // 59
var key = self._idStringify(id); // 60
if (_.has(self._map, key)) // 61
return self._map[key]; // 62
self._map[key] = def; // 63
return def; // 64
}, // 65
// Assumes that values are EJSON-cloneable, and that we don't need to clone // 66
// IDs (ie, that nobody is going to mutate an ObjectId). // 67
clone: function () { // 68
var self = this; // 69
var clone = new IdMap(self._idStringify, self._idParse); // 70
self.forEach(function (value, id) { // 71
clone.set(id, EJSON.clone(value)); // 72
}); // 73
return clone; // 74
} // 75
}); // 76
// 77
// 78
////////////////////////////////////////////////////////////////////////////////
}).call(this);
/* Exports */
if (typeof Package === 'undefined') Package = {};
Package['id-map'] = {
IdMap: IdMap
};
})();