update:add validation functions to validate user input at init.ts scr…

…ipt (#18)

Co-authored-by: sinyo-matu <sinyo_matu@icloud.com>

init.ts

@@ -1,57 +1,3 @@
-import { ensureFile, join, resolve } from "./src/deps.ts";
+import { init } from "./src/initFile.ts";
 
-export async function createSitemap(url: string | null) {
-  const routesDirectory = resolve("./routes");
-
-  const destination = join(routesDirectory, "sitemap.xml.ts");
-
-  await ensureFile(destination);
-
-  const stub = `import { Handlers } from "$fresh/server.ts";
-import manifest from "../fresh.gen.ts";
-import { SitemapContext } from "https://deno.land/x/fresh_seo@0.1.1/mod.ts";
-export const handler: Handlers = {
-  GET(req, ctx) {
-    const sitemap = new SitemapContext("${
-    url ?? "http://exmaple.com"
-  }", manifest);
-    // You can add additional page here
-    return sitemap.render();
-  },
-};
-`;
-
-  return Deno.writeTextFile(destination, stub);
-}
-
-export async function createRobotTxt(
-  url: string | null,
-  staticPath: string | null,
-) {
-  const directory = resolve(staticPath ?? "./static");
-
-  const destination = join(directory, "robots.txt");
-
-  await ensureFile(destination);
-
-  const stub = `User-agent: *
-Allow: /
-Disallow: /api/*
-Sitemap: ${url ?? "http://example.com"}/sitemap.xml
-`;
-
-  return Deno.writeTextFile(destination, stub);
-}
-
-const url = prompt(
-  "Please input your site's url (skip by enter):",
-  "http://example.com",
-);
-
-const staticPath = prompt(
-  "Please input your site's static folder path (skip by enter):",
-  "./static",
-);
-
-await createSitemap(url);
-await createRobotTxt(url, staticPath);
+init();

src/initFile.ts

@@ -0,0 +1,89 @@
+import { ensureFile, join, resolve } from "./deps.ts";
+
+function isUrl(input: string): boolean {
+  try {
+    new URL(input);
+  } catch (_) {
+    return false;
+  }
+  return true;
+}
+
+function isValidUrl(inputUrl: string): boolean {
+  if (!isUrl(inputUrl.trim())) return false;
+  return true;
+}
+
+function isValidDir(inputDir: string): boolean {
+  if (inputDir.trim().length === 0) return false;
+  return true;
+}
+
+async function createSitemap(url: string) {
+  const routesDirectory = resolve("./routes");
+
+  const destination = join(routesDirectory, "sitemap.xml.ts");
+
+  await ensureFile(destination);
+
+  const stub = `import { Handlers } from "$fresh/server.ts";
+import manifest from "../fresh.gen.ts";
+import { SitemapContext } from "https://deno.land/x/fresh_seo@0.1.1/mod.ts";
+export const handler: Handlers = {
+  GET(req, ctx) {
+    const sitemap = new SitemapContext("${url}", manifest);
+    // You can add additional page here
+    return sitemap.render();
+  },
+};
+`;
+
+  return Deno.writeTextFile(destination, stub);
+}
+
+async function createRobotTxt(
+  url: string,
+  staticPath: string,
+) {
+  const directory = resolve(staticPath);
+
+  const destination = join(directory, "robots.txt");
+
+  await ensureFile(destination);
+
+  const stub = `User-agent: *
+Allow: /
+Disallow: /api/*
+Sitemap: ${url}/sitemap.xml
+`;
+
+  return Deno.writeTextFile(destination, stub);
+}
+
+export async function init() {
+  let url = prompt(
+    "Please input your site's url (skip by enter):",
+    "http://example.com",
+  );
+
+  if (!url || !isValidUrl(url)) {
+    console.log(
+      "Invalid url input! Setting to default value:'http://example.com'",
+    );
+    url = "http://example.com";
+  }
+
+  let staticPath = prompt(
+    "Please input your site's static folder path (skip by enter):",
+    "./static",
+  );
+
+  if (!staticPath || !isValidDir(staticPath)) {
+    console.log("Invalid folder input! Setting to default value:'./static'");
+    staticPath = "./static";
+  }
+
+  await createSitemap(url);
+
+  await createRobotTxt(url, staticPath);
+}