Add CLI handler for elm-pages add command.

docs/2.0-alpha-instructions.md

@@ -45,5 +45,5 @@ Then you need to install the NPM pacakge from the top-level project with `npm in
 ### Commands
 
 - Run a dev server - `elm-pages dev`
-- Generate scaffolding for a new Page Template - `../../generator/src/codegen-template-module.js Slide.Number_`
+- Generate scaffolding for a new Page Template - `elm-pages add Slide.Number_`
 - Run a build - `elm-pages build`

generator/src/cli.js

@@ -2,6 +2,7 @@
 
 const build = require("./build.js");
 const dev = require("./dev-server.js");
+const generate = require("./codegen-template-module.js");
 
 const commander = require("commander");
 
@@ -29,6 +30,13 @@ async function main() {
       await dev.start(options);
     });
 
+  program
+    .command("add <moduleName>")
+    .description("create a new Page Template module")
+    .action(async (moduleName) => {
+      await generate.run({ moduleName });
+    });
+
   program.parse(process.argv);
 }
 

generator/src/codegen-template-module.js

@@ -1,12 +1,8 @@
-#!/usr/bin/env node
-
 const fs = require("./dir-helpers.js");
 const path = require("path");
 const routeHelpers = require("./route-codegen-helpers");
 
-async function run() {
-  if (process.argv.length === 3) {
-    const moduleName = process.argv[2];
+async function run({ moduleName }) {
   if (!moduleName.match(/[A-Z][A-Za-z0-9]+(\.[A-Z][A-Za-z0-9])*/)) {
     console.error("Invalid module name.");
     process.exit(1);
@@ -18,17 +14,13 @@ async function run() {
   );
   await fs.tryMkdir(path.dirname(fullFilePath));
   fs.writeFile(fullFilePath, content);
-  } else {
-    console.error(`Unexpected CLI options: ${process.argv}`);
-    process.exit(1);
-  }
 }
 
 /**
  * @param {string} templateName
  */
 function fileContent(templateName) {
-  return `module Template.${templateName} exposing (Model, Msg, template)
+  return `module Template.${templateName} exposing (Model, Msg, StaticData, template)
 
 import Element exposing (Element)
 import Document exposing (Document)
@@ -95,4 +87,4 @@ view static =
 `;
 }
 
-run();
+module.exports = { run };