'use strict';
-const kPathParameter = Symbol('kSqueepDingusRouterPathParameter');
const parameters = new Map();
/**
* De-duplicating factory of minimal-objects to track the named-parameter parts of path definitions.
- *
- * @property {String} parameter
*/
class PathParameter extends null {
+ static #parameters = parameters;
+
+ /**
+ *
+ * @param {string} parameter name
+ * @returns {PathParameter} frozen parameter object
+ */
constructor(parameter) {
if (!parameter || typeof(parameter) !== 'string') {
throw new RangeError('parameter must be string');
}
- if (parameters.has(parameter)) {
- return parameters.get(parameter);
+
+ if (PathParameter.#parameters.has(parameter)) {
+ return PathParameter.#parameters.get(parameter); // NOSONAR
}
+
const pathParameter = Object.create(PathParameter.prototype);
- pathParameter[kPathParameter] = parameter; // eslint-disable-line security/detect-object-injection
- parameters.set(parameter, pathParameter);
+ pathParameter.parameter = parameter;
Object.freeze(pathParameter);
- return pathParameter;
+ PathParameter.#parameters.set(parameter, pathParameter);
+ return pathParameter; // NOSONAR
}
/**
- * Return the parameter name.
+ * @returns {string} parameter string
*/
- get parameter() {
- return this[kPathParameter];// eslint-disable-line security/detect-object-injection
+ toString() {
+ return this.parameter;
}
/**
- * @returns {String}
+ * @returns {string} parameter string
*/
- toString() {
- return `{${this.constructor.name} ${this.parameter}}`; // eslint-disable-line security/detect-object-injection
+ toJSON() {
+ return this.parameter;
}
/**
* Clear the de-duplication table, for tests.
*/
static _flush() {
- this.parameters.clear();
+ PathParameter.#parameters.clear();
}
}
-PathParameter.kPathParameter = kPathParameter;
-PathParameter.parameters = parameters;
-module.exports = PathParameter;
\ No newline at end of file
+module.exports = PathParameter;