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| 1 | |
| 2 | |
| 3 // until ES6 modules become standard, we follow Occam and simply stake out | |
| 4 // a global namespace | |
| 5 | |
| 6 // Polymer is a Function, but of course this is also an Object, so we | |
| 7 // hang various other objects off of Polymer.* | |
| 8 (function() { | |
| 9 var userPolymer = window.Polymer; | |
| 10 | |
| 11 window.Polymer = function(prototype) { | |
| 12 var ctor = desugar(prototype); | |
| 13 // native Custom Elements treats 'undefined' extends property | |
| 14 // as valued, the property must not exist to be ignored | |
| 15 var options = { | |
| 16 prototype: ctor.prototype | |
| 17 }; | |
| 18 if (prototype.extends) { | |
| 19 options.extends = prototype.extends; | |
| 20 } | |
| 21 Polymer.telemetry._registrate(prototype); | |
| 22 document.registerElement(prototype.is, options); | |
| 23 return ctor; | |
| 24 }; | |
| 25 | |
| 26 var desugar = function(prototype) { | |
| 27 prototype = Polymer.Base.chainObject(prototype, Polymer.Base); | |
| 28 prototype.registerCallback(); | |
| 29 return prototype.constructor; | |
| 30 }; | |
| 31 | |
| 32 window.Polymer = Polymer; | |
| 33 | |
| 34 if (userPolymer) { | |
| 35 for (var i in userPolymer) { | |
| 36 Polymer[i] = userPolymer[i]; | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 Polymer.Class = desugar; | |
| 41 | |
| 42 })(); | |
| 43 /* | |
| 44 // Raw usage | |
| 45 [ctor =] Polymer.Class(prototype); | |
| 46 document.registerElement(name, ctor); | |
| 47 | |
| 48 // Simplified usage | |
| 49 [ctor = ] Polymer(prototype); | |
| 50 */ | |
| 51 | |
| 52 // telemetry: statistics, logging, and debug | |
| 53 | |
| 54 Polymer.telemetry = { | |
| 55 registrations: [], | |
| 56 _regLog: function(prototype) { | |
| 57 console.log('[' + prototype.is + ']: registered') | |
| 58 }, | |
| 59 _registrate: function(prototype) { | |
| 60 this.registrations.push(prototype); | |
| 61 Polymer.log && this._regLog(prototype); | |
| 62 }, | |
| 63 dumpRegistrations: function() { | |
| 64 this.registrations.forEach(this._regLog); | |
| 65 } | |
| 66 }; | |
| 67 | |
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