Current File : /var/www/html/node_modules/next/dist/cli/next-dev.js
#!/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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