@expo/cli
Version:
134 lines (133 loc) • 4.18 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
getPID: ()=>getPID,
getDirectoryOfProcessById: ()=>getDirectoryOfProcessById,
getRunningProcess: ()=>getRunningProcess
});
function _childProcess() {
const data = require("child_process");
_childProcess = function() {
return data;
};
return data;
}
function _path() {
const data = /*#__PURE__*/ _interopRequireWildcard(require("path"));
_path = function() {
return data;
};
return data;
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && 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 debug = require("debug")("expo:utils:getRunningProcess");
const defaultOptions = {
encoding: "utf8",
stdio: [
"pipe",
"pipe",
"ignore"
]
};
function getPID(port) {
try {
const results = (0, _childProcess().execFileSync)("lsof", [
`-i:${port}`,
"-P",
"-t",
"-sTCP:LISTEN"
], defaultOptions).split("\n")[0].trim();
const pid = Number(results);
debug(`pid: ${pid} for port: ${port}`);
return pid;
} catch (error) {
debug(`No pid found for port: ${port}. Error: ${error}`);
return null;
}
}
/** Get `package.json` `name` field for a given directory. Returns `null` if none exist. */ function getPackageName(packageRoot) {
const packageJson = _path().join(packageRoot, "package.json");
try {
return require(packageJson).name || null;
} catch {
return null;
}
}
/** Returns a command like `node /Users/evanbacon/.../bin/expo start` or the package.json name. */ function getProcessCommand(pid, procDirectory) {
const name = getPackageName(procDirectory);
if (name) {
return name;
}
return (0, _childProcess().execSync)(`ps -o command -p ${pid} | sed -n 2p`, defaultOptions).replace(/\n$/, "").trim();
}
function getDirectoryOfProcessById(processId) {
return (0, _childProcess().execSync)(`lsof -p ${processId} | awk '$4=="cwd" {for (i=9; i<=NF; i++) printf "%s ", $i}'`, defaultOptions).trim();
}
function getRunningProcess(port) {
// 63828
const pid = getPID(port);
if (!pid) {
return null;
}
try {
// /Users/evanbacon/Documents/GitHub/lab/myapp
const directory = getDirectoryOfProcessById(pid);
// /Users/evanbacon/Documents/GitHub/lab/myapp/package.json
const command = getProcessCommand(pid, directory);
// TODO: Have a better message for reusing another process.
return {
pid,
directory,
command
};
} catch {
return null;
}
}
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