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- #!/usr/bin/env node
- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.nextDev = void 0;
- var _indexJs = _interopRequireDefault(require("next/dist/compiled/arg/index.js"));
- var _fs = require("fs");
- var _startServer = require("../server/lib/start-server");
- var _utils = require("../server/lib/utils");
- var Log = _interopRequireWildcard(require("../build/output/log"));
- var _output = require("../build/output");
- var _isError = _interopRequireDefault(require("../lib/is-error"));
- var _getProjectDir = require("../lib/get-project-dir");
- var _constants = require("../shared/lib/constants");
- var _path = _interopRequireDefault(require("path"));
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {
- default: obj
- };
- }
- function _getRequireWildcardCache() {
- if (typeof WeakMap !== "function") return null;
- var cache = new WeakMap();
- _getRequireWildcardCache = function() {
- return cache;
- };
- return cache;
- }
- function _interopRequireWildcard(obj) {
- if (obj && obj.__esModule) {
- return obj;
- }
- if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
- return {
- default: obj
- };
- }
- var cache = _getRequireWildcardCache();
- if (cache && cache.has(obj)) {
- return cache.get(obj);
- }
- var newObj = {};
- var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
- for(var key in obj){
- if (Object.prototype.hasOwnProperty.call(obj, key)) {
- var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
- if (desc && (desc.get || desc.set)) {
- Object.defineProperty(newObj, key, desc);
- } else {
- newObj[key] = obj[key];
- }
- }
- }
- newObj.default = obj;
- if (cache) {
- cache.set(obj, newObj);
- }
- return newObj;
- }
- const nextDev = (argv)=>{
- const validArgs = {
- // Types
- "--help": Boolean,
- "--port": Number,
- "--hostname": String,
- // Aliases
- "-h": "--help",
- "-p": "--port",
- "-H": "--hostname"
- };
- let args;
- try {
- args = (0, _indexJs).default(validArgs, {
- argv
- });
- } catch (error) {
- if ((0, _isError).default(error) && error.code === "ARG_UNKNOWN_OPTION") {
- return (0, _utils).printAndExit(error.message, 1);
- }
- throw error;
- }
- if (args["--help"]) {
- console.log(`
- Description
- Starts the application in development mode (hot-code reloading, error
- reporting, etc.)
- Usage
- $ next dev <dir> -p <port number>
- <dir> represents the directory of the Next.js application.
- If no directory is provided, the current directory will be used.
- Options
- --port, -p A port number on which to start the application
- --hostname, -H Hostname on which to start the application (default: 0.0.0.0)
- --help, -h Displays this message
- `);
- process.exit(0);
- }
- const dir = (0, _getProjectDir).getProjectDir(args._[0]);
- // Check if pages dir exists and warn if not
- if (!(0, _fs).existsSync(dir)) {
- (0, _utils).printAndExit(`> No such directory exists as the project root: ${dir}`);
- }
- async function preflight() {
- const { getPackageVersion } = await Promise.resolve(require("../lib/get-package-version"));
- const [sassVersion, nodeSassVersion] = await Promise.all([
- getPackageVersion({
- cwd: dir,
- name: "sass"
- }),
- getPackageVersion({
- cwd: dir,
- name: "node-sass"
- }),
- ]);
- if (sassVersion && nodeSassVersion) {
- Log.warn("Your project has both `sass` and `node-sass` installed as dependencies, but should only use one or the other. " + "Please remove the `node-sass` dependency from your project. " + " Read more: https://nextjs.org/docs/messages/duplicate-sass");
- }
- }
- const port = (0, _utils).getPort(args);
- // If neither --port nor PORT were specified, it's okay to retry new ports.
- const allowRetry = args["--port"] === undefined && process.env.PORT === undefined;
- // We do not set a default host value here to prevent breaking
- // some set-ups that rely on listening on other interfaces
- const host = args["--hostname"];
- (0, _startServer).startServer({
- allowRetry,
- dev: true,
- dir,
- hostname: host,
- isNextDevCommand: true,
- port
- }).then(async (app)=>{
- const appUrl = `http://${app.hostname}:${app.port}`;
- (0, _output).startedDevelopmentServer(appUrl, `${host || "0.0.0.0"}:${app.port}`);
- // Start preflight after server is listening and ignore errors:
- preflight().catch(()=>{});
- // Finalize server bootup:
- await app.prepare();
- }).catch((err)=>{
- if (err.code === "EADDRINUSE") {
- let errorMessage = `Port ${port} is already in use.`;
- const pkgAppPath = require("next/dist/compiled/find-up").sync("package.json", {
- cwd: dir
- });
- const appPackage = require(pkgAppPath);
- if (appPackage.scripts) {
- const nextScript = Object.entries(appPackage.scripts).find((scriptLine)=>scriptLine[1] === "next");
- if (nextScript) {
- errorMessage += `\nUse \`npm run ${nextScript[0]} -- -p <some other port>\`.`;
- }
- }
- console.error(errorMessage);
- } else {
- console.error(err);
- }
- process.nextTick(()=>process.exit(1));
- });
- for (const CONFIG_FILE of _constants.CONFIG_FILES){
- (0, _fs).watchFile(_path.default.join(dir, CONFIG_FILE), (cur, prev)=>{
- if (cur.size > 0 || prev.size > 0) {
- console.log(`\n> Found a change in ${CONFIG_FILE}. Restart the server to see the changes in effect.`);
- }
- });
- }
- };
- exports.nextDev = nextDev;
- //# sourceMappingURL=next-dev.js.map
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