@staticdeploy/mock-server/src/getApp/toExpressPath.js

Easy to use, no frills mock server

const { sep } = require("path");

/*
 *  Converts a handlerPath into an expressPath, using express url parameters
 *  syntax and prepending the path with a / character. Examples:
 *    - "users/get.js" -> "/users"
 *    - "users/{userId}/get.js" -> "/users/:userId"
 */
module.exports = function toExpressPath(handlerPath) {
    return (
        handlerPath
            // Split into tokens
            .split(sep)
            // Remove the last token `${method}.js`
            .slice(0, -1)
            // Convert tokens with the form "{param}" into ":param"
            .map((token) =>
                /^{.*}$/.test(token) ? `:${token.slice(1, -1)}` : token
            )
            // Join tokens with / characters
            .join("/")
            // Prepend the string with an additional / character
            .replace(/^/, "/")
    );
};