angular2/src/compiler/schema/dom_element_schema_registry.js

Angular 2 - a web framework for modern web apps

'use strict';var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") return Reflect.decorate(decorators, target, key, desc);
    switch (arguments.length) {
        case 2: return decorators.reduceRight(function(o, d) { return (d && d(o)) || o; }, target);
        case 3: return decorators.reduceRight(function(o, d) { return (d && d(target, key)), void 0; }, void 0);
        case 4: return decorators.reduceRight(function(o, d) { return (d && d(target, key, o)) || o; }, desc);
    }
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var di_1 = require('angular2/src/core/di');
var lang_1 = require('angular2/src/facade/lang');
var collection_1 = require('angular2/src/facade/collection');
var dom_adapter_1 = require('angular2/src/core/dom/dom_adapter');
var element_schema_registry_1 = require('./element_schema_registry');
var DomElementSchemaRegistry = (function (_super) {
    __extends(DomElementSchemaRegistry, _super);
    function DomElementSchemaRegistry() {
        _super.apply(this, arguments);
        this._protoElements = new Map();
    }
    DomElementSchemaRegistry.prototype._getProtoElement = function (tagName) {
        var element = this._protoElements.get(tagName);
        if (lang_1.isBlank(element)) {
            element = dom_adapter_1.DOM.createElement(tagName);
            this._protoElements.set(tagName, element);
        }
        return element;
    };
    DomElementSchemaRegistry.prototype.hasProperty = function (tagName, propName) {
        if (tagName.indexOf('-') !== -1) {
            // can't tell now as we don't know which properties a custom element will get
            // once it is instantiated
            return true;
        }
        else {
            var elm = this._getProtoElement(tagName);
            return dom_adapter_1.DOM.hasProperty(elm, propName);
        }
    };
    DomElementSchemaRegistry.prototype.getMappedPropName = function (propName) {
        var mappedPropName = collection_1.StringMapWrapper.get(dom_adapter_1.DOM.attrToPropMap, propName);
        return lang_1.isPresent(mappedPropName) ? mappedPropName : propName;
    };
    DomElementSchemaRegistry = __decorate([
        di_1.Injectable(), 
        __metadata('design:paramtypes', [])
    ], DomElementSchemaRegistry);
    return DomElementSchemaRegistry;
})(element_schema_registry_1.ElementSchemaRegistry);
exports.DomElementSchemaRegistry = DomElementSchemaRegistry;
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