[React] Use the app name as the prefix value for templates (#811)

* Add prefix to component names and templates

* Add replacePrefix function to cli package

* Update CHANGELOG

* Update AppRoute import in ConnectedDemo component

* Update definitions files to use uppercase for templates

* Refactor replacePrefix and tests

* Add prefix as flag to jss create nextjs

* Fix graphql:update for react sample

* Apply prefix to react templates and components

* update graphql fragment types

* Add prefix arg to jss-create react

* Undo accidental commit

* Revert component names

* Remove prefix from component names - data folder

* Prep definitions for new template implementation - templateName

* Wrap prefix arg in Boolean constructor

* Update nextjs sample GraphQLIntrospectionResult

* Fix space in ContentBlock name

* Update react GraphQLFragmentTypes

* Update parsing of prefix arg in jss-create - next and react

* Remove parsing boolean from prefix from sitecore-jss-cli

packages/sitecore-jss-cli/src/create/index.ts

@@ -136,9 +136,7 @@ export function replacePrefix(
   prefix: string,
   withPrefix?: boolean
 ) {
-  const value: boolean = withPrefix === true ? true : false;
-
-  if (!value) {
+  if (!withPrefix) {
     console.log(chalk.cyan('Removing template prefix...'));
     const prefixWithHyphen = prefix + '-';
     glob

samples/nextjs/jss-create.js

@@ -20,7 +20,7 @@ const { execSync } = require('child_process');
 module.exports = function createJssProject(argv, nextSteps) {
   console.log(`Executing create script: ${__filename}...`);
 
-  applyNameToProject(__dirname, argv.name, argv.hostName, 'JssNextWeb', argv.prefix);
+  applyNameToProject(__dirname, argv.name, argv.hostName, 'JssNextWeb', argv.prefix === 'true');
 
   if (!argv.fetchWith || !argv.prerender) {
     nextSteps.push(