pip-services3-commons-node
Version:
Portable abstractions and patterns for Pip.Services in Node.js
44 lines • 1.78 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var Descriptor_1 = require("../refer/Descriptor");
/**
* A helper class that allows to extract component name from configuration parameters.
* The name can be defined in "id", "name" parameters or inside a component descriptor.
*
* ### Example ###
*
* let config = ConfigParams.fromTuples(
* "descriptor", "myservice:connector:aws:connector1:1.0",
* "param1", "ABC",
* "param2", 123
* );
*
* let name = NameResolver.resolve(config); // Result: connector1
*/
var NameResolver = /** @class */ (function () {
function NameResolver() {
}
/**
* Resolves a component name from configuration parameters.
* The name can be stored in "id", "name" fields or inside a component descriptor.
* If name cannot be determined it returns a defaultName.
*
* @param config configuration parameters that may contain a component name.
* @param defaultName (optional) a default component name.
* @returns resolved name or default name if the name cannot be determined.
*/
NameResolver.resolve = function (config, defaultName) {
if (defaultName === void 0) { defaultName = null; }
var name = config.getAsNullableString("name") || config.getAsNullableString("id");
if (name == null) {
var descriptorStr = config.getAsNullableString("descriptor");
var descriptor = Descriptor_1.Descriptor.fromString(descriptorStr);
if (descriptor != null)
name = descriptor.getName();
}
return name || defaultName;
};
return NameResolver;
}());
exports.NameResolver = NameResolver;
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