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import { UNDEFINED_INJECT_ANNOTATION } from "../constants/error_msgs";
import * as METADATA_KEY from "../constants/metadata_keys";
import { Metadata } from "../planning/metadata";
import { tagParameter, tagProperty } from "./decorator_utils";
var LazyServiceIdentifer = (function () {
function LazyServiceIdentifer(cb) {
this._cb = cb;
}
LazyServiceIdentifer.prototype.unwrap = function () {
return this._cb();
};
return LazyServiceIdentifer;
}());
export { LazyServiceIdentifer };
function inject(serviceIdentifier) {
return function (target, targetKey, index) {
if (serviceIdentifier === undefined) {
throw new Error(UNDEFINED_INJECT_ANNOTATION(target.name));
}
var metadata = new Metadata(METADATA_KEY.INJECT_TAG, serviceIdentifier);
if (typeof index === "number") {
tagParameter(target, targetKey, index, metadata);
}
else {
tagProperty(target, targetKey, metadata);
}
};
}
export { inject };