make light-chat as a first option

create-waku-app/createApp.js

@@ -6,6 +6,8 @@ const execSync = require("child_process").execSync;
 const { Command } = require("commander");
 const validateProjectName = require("validate-npm-package-name");
 
+const DEFAULT_EXAMPLE = "light-chat";
+
 const supportedExamplesDir = path.resolve(__dirname, "./examples");
 const supportedExamples = readDirNames(supportedExamplesDir);
 
@@ -17,8 +19,11 @@ const init = async (name, description, version) => {
     .name(name)
     .description(description)
     .version(version, "-v, --version", "output the version number")
-        .arguments("<project-directory>", "Project directory to initialize Waku app")
-        .action(_appName => {
+    .arguments(
+      "<project-directory>",
+      "Project directory to initialize Waku app"
+    )
+    .action((_appName) => {
       appName = _appName;
     })
     .option(
@@ -35,7 +40,7 @@ const init = async (name, description, version) => {
     const templatePrompt = new enquirer.Select({
       name: "template",
       message: "Select template",
-            choices: Object.keys(supportedExamples),
+      choices: buildChoices(supportedExamples),
     });
 
     try {
@@ -47,13 +52,18 @@ const init = async (name, description, version) => {
   }
 
   if (!supportedExamples[template]) {
-        const supportedExamplesMessage = Object.keys(supportedExamples).reduce((acc, v) => {
+    const supportedExamplesMessage = Object.keys(supportedExamples).reduce(
+      (acc, v) => {
         acc += `\t${v}\n`;
         return acc;
-        }, "");
+      },
+      ""
+    );
 
     console.error(`Unknown template: ${template}`);
-        console.error(`We support only following templates:\n${supportedExamplesMessage}`)
+    console.error(
+      `We support only following templates:\n${supportedExamplesMessage}`
+    );
     process.exit(1);
   }
 
@@ -121,9 +131,13 @@ function terminateIfProjectNameInvalid(name) {
   const validationResult = validateProjectName(name);
 
   if (!validationResult.validForNewPackages) {
-        console.error(`Cannot create a project named ${name} because of npm naming restrictions:\n`);
-        [...(validationResult.errors || []), ...(validationResult.warnings || [])]
-            .forEach(error => console.error(`  * ${error}`));
+    console.error(
+      `Cannot create a project named ${name} because of npm naming restrictions:\n`
+    );
+    [
+      ...(validationResult.errors || []),
+      ...(validationResult.warnings || []),
+    ].forEach((error) => console.error(`  * ${error}`));
     console.error("\nPlease choose a different project name.");
     process.exit(1);
   }
@@ -131,19 +145,34 @@ function terminateIfProjectNameInvalid(name) {
 
 function terminateIfAppExists(appRoot) {
   if (fs.existsSync(appRoot)) {
-        console.error(`Cannot create a project because it already exists by the name: ${appRoot}`);
+    console.error(
+      `Cannot create a project because it already exists by the name: ${appRoot}`
+    );
     process.exit(1);
   }
 }
 
 function readDirNames(target) {
-    return fs.readdirSync(target, { withFileTypes: true })
-        .filter(dir => dir.isDirectory())
-        .map(dir => dir.name)
+  return fs
+    .readdirSync(target, { withFileTypes: true })
+    .filter((dir) => dir.isDirectory())
+    .map((dir) => dir.name)
     .reduce((acc, name) => {
       acc[name] = path.resolve(target, name);
       return acc;
     }, {});
 }
 
+function buildChoices(examples) {
+  // handle a case if default example will be deleted without updating this place
+  if (!examples[DEFAULT_EXAMPLE]) {
+    return Object.keys(examples);
+  }
+
+  return [
+    DEFAULT_EXAMPLE,
+    ...Object.keys(examples).filter((v) => v !== DEFAULT_EXAMPLE),
+  ];
+}
+
 module.exports = { init };