feat(compileRest): allow to reuse the rest settings, to generate rest path from parameters

src/alias.js

@@ -12,7 +12,7 @@ const kleur 					= require("kleur");
 const _ 						= require("lodash");
 
 const { PayloadTooLarge } = require("./errors");
-const { MoleculerClientError } = require("moleculer").Errors;
+const { MoleculerClientError, MoleculerError } = require("moleculer").Errors;
 const { removeTrailingSlashes, addSlashes, decodeParam, compose } = require("./utils");
 
 class Alias {
@@ -89,6 +89,25 @@ class Alias {
 		}
 	}
 
+
+	/**
+	 * Compiles a path using the given path parameters and returns the compiled string.
+	 *
+	 * @param {Object} pathParameters - The path parameters to be replaced in the path.
+	 * @return {string} - The compiled path with replaced path parameters.
+	 */
+	compile(pathParameters) {
+		const missingParameters = this.keys.filter((key) => !key.optional && (!pathParameters || !pathParameters.hasOwnProperty(key.name)));
+		const missingParametersNames = missingParameters.map(param => param.name);
+		if(missingParametersNames.length > 0) {
+			throw new MoleculerError(`parameters are missing : ${missingParametersNames.join(", ")}`, 400, "MISSING_PARAMETERS", {
+				parameters: missingParametersNames
+			});
+		}
+
+		return pathToRegexp.compile(this.fullPath, this.route.opts.pathToRegexpOptions || {})(pathParameters, { validate: false });
+	}
+
 	/**
 	 *
 	 * @param {*} url

src/index.js

@@ -279,8 +279,31 @@ module.exports = {
 				return this.removeRoute(ctx.params.path);
 			}
 		},
-	},
+		compileRest: {
+			params: {
+				action: {
+					type: "string"
+				},
+				params: {
+					type: "record",
+					optional: true,
+					key: { type: "string", pattern: /[A-Za-z0-9_]+/ },
+					value: { type: "string", convert: true, optional: true }
+				}
+			},
+			visibility: "public",
+			handler(ctx) {
+				const actionName = ctx.params.action;
+				const foundAlias = this.aliases.find(alias => alias.action === actionName);
+
+				if(!foundAlias) {
+					return;
+				}
 
+				return foundAlias.compile(ctx.params.params);
+			}
+		}
+	},
 	methods: {
 		/**
 		 * Create HTTP server