hedera-web/js/vn/scope.js

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2022-05-24 21:11:12 +00:00
const VnObject = require('./object');
const kebabToCamel = require('./string-util').kebabToCamel;
module.exports = new Class({
Extends: VnObject
,initialize: function(builder, objects, thisArg, parentScope) {
this.builder = builder;
this.objects = objects;
this.thisArg = thisArg;
this.parentScope = parentScope;
if (!thisArg && parentScope)
this.thisArg = parentScope.thisArg;
}
,link: function(exprScope, extraObjects) {
var contextMap = this.builder._contextMap;
var objectMap = this.parentScope ? Object.create(this.parentScope._$) : {};
this._$ = objectMap;
for (var id in extraObjects)
objectMap[id] = extraObjects[id];
for (var id in contextMap)
objectMap[id] = this.objects[contextMap[id]];
this.builder.link(this, exprScope);
}
,getMain: function() {
return this.builder.getMain(this);
}
,$: function(objectId) {
if (!objectId) return null;
return this._$[kebabToCamel(objectId)];
}
,getById: function(objectId) {
return this.$(objectId);
}
,getByTagName: function(tagName) {
return this.builder.getByTagName(this, tagName);
}
,getHtmlId: function(nodeId) {
return 'vn-'+ this.uid +'-'+ nodeId;
}
,_destroy: function() {
var objects = this.objects;
for (var i = 0; i < objects.length; i++)
if (objects[i] instanceof VnObject)
objects[i].unref();
this.parent();
}
});