Update lib/dev.js

Author: xiaodong2008

lib/dev.js

@@ -0,0 +1,90 @@
+const output = require('./console/output');
+const outputDev = require('./console/outputDev');
+const load = require("io-spin");
+const fs = require("fs-extra");
+const path = require("path");
+const pc = require("picocolors");
+
+async function dev(options) {
+  // check ./package.json
+  if (!fs.existsSync(path.join(process.cwd(), "package.json"))) {
+    output("package.json not found", "red");
+    process.exit(1);
+  }
+  const startTime = Date.now();
+  // close spin if dev
+  outputDev("Spinners are disabled in dev mode");
+  const spinner = fs.pathExistsSync(path.join(process.cwd(), "ondev.key")) ? {
+    start: () => 0,
+    stop: () => 0,
+    update: () => 0
+  } : load("Starting dev server...");
+  spinner.start();
+  spinner.update("Starting project...");
+  outputDev("Starting project...");
+  outputDev(`spawn in ${process.cwd()}`);
+  outputDev("")
+  // setup port
+  outputDev(`options.port: ${options.port}`);
+  outputDev(`port: ${options.port || 3000}`);
+  outputDev("")
+  let port = options.port || 3000;
+  if (options.port) {
+    // check is number
+    if (isNaN(options.port) || options.port.length !== 4) {
+      spinner.stop();
+      outputDev("Error: port is not a number");
+      outputDev("Program exit by error");
+      output("Error: port should be a 4 sig number", "red");
+      return
+    } else if (await checkPort(port)) {
+      spinner.stop();
+      outputDev("Error: port is busy");
+      outputDev("Program exit by error");
+      output("Error: port is busy", "red");
+      return
+    }
+  } else {
+    const portfinder = require("portfinder");
+    portfinder.getPort({
+      port: 3000,
+      stopPort: 4000
+    }, (err, active) => {
+      if (err) {
+        spinner.stop();
+        outputDev("Error: port 3000-4000 all busy");
+        outputDev("Program exit by error");
+        output("Error: port 3000-4000 all busy", "red");
+        return
+      }
+      port = active;
+    })
+  }
+  // run command `vite` and listen for stdout
+  const {exec} = require("child_process");
+  const vite = exec(`vite --port ${port}`, {cwd: process.cwd()}, error => {
+    if (error) {
+      spinner.stop();
+      outputDev(error);
+      outputDev("Program exit by error");
+      return;
+    }
+    spinner.stop();
+    outputDev("Program exit by vite");
+  });
+  vite.stdout.on("data", data => {
+    // if include `ready in` then vite is ready
+    if (data.toString().includes("ready in")) {
+      spinner.stop();
+      output(`${pc.bold("[Fastjs-cli]")}`, "green");
+      output("")
+      const Version = require("../package.json").version;
+      output(`*green*${pc.bold("Fastjs-cli")} v${Version}*green* is ready in ${Date.now() - startTime}ms`);
+      output("")
+      output(` > ${pc.bold("Local")}: http://localhost:${port}`);
+      output(` > ${pc.bold("Close")}: Ctrl + C`);
+    }
+  })
+}
+
+module.exports = dev;