angular2
Version:
Angular 2 - a web framework for modern web apps
42 lines • 5.74 kB
JavaScript
;var lang_1 = require('angular2/src/facade/lang');
var exceptions_1 = require('angular2/src/facade/exceptions');
var collection_1 = require('angular2/src/facade/collection');
var Locals = (function () {
function Locals(parent, current) {
this.parent = parent;
this.current = current;
}
Locals.prototype.contains = function (name) {
if (this.current.has(name)) {
return true;
}
if (lang_1.isPresent(this.parent)) {
return this.parent.contains(name);
}
return false;
};
Locals.prototype.get = function (name) {
if (this.current.has(name)) {
return this.current.get(name);
}
if (lang_1.isPresent(this.parent)) {
return this.parent.get(name);
}
throw new exceptions_1.BaseException("Cannot find '" + name + "'");
};
Locals.prototype.set = function (name, value) {
// TODO(rado): consider removing this check if we can guarantee this is not
// exposed to the public API.
// TODO: vsavkin maybe it should check only the local map
if (this.current.has(name)) {
this.current.set(name, value);
}
else {
throw new exceptions_1.BaseException("Setting of new keys post-construction is not supported. Key: " + name + ".");
}
};
Locals.prototype.clearLocalValues = function () { collection_1.MapWrapper.clearValues(this.current); };
return Locals;
})();
exports.Locals = Locals;
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