frontity
Version:
Frontity cli and entry point to other packages
65 lines (64 loc) • 2.17 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const chalk_1 = __importDefault(require("chalk"));
const child_process_1 = require("child_process");
const path_1 = __importDefault(require("path"));
const execOptions = {
encoding: "utf8",
stdio: [
"pipe",
"pipe",
"ignore", //stderr
],
};
function isProcessAReactApp(processCommand) {
return /^node .*react-scripts\/scripts\/start\.js\s?$/.test(processCommand);
}
function getProcessIdOnPort(port) {
return child_process_1.execSync("lsof -i:" + port + " -P -t -sTCP:LISTEN", execOptions)
.split("\n")[0]
.trim();
}
function getPackageNameInDirectory(directory) {
const packagePath = path_1.default.join(directory.trim(), "package.json");
try {
return require(packagePath).name;
}
catch (e) {
return null;
}
}
function getProcessCommand(processId, processDirectory) {
let command = child_process_1.execSync("ps -o command -p " + processId + " | sed -n 2p", execOptions);
command = command.replace(/\n$/, "");
if (isProcessAReactApp(command)) {
const packageName = getPackageNameInDirectory(processDirectory);
return packageName ? packageName : command;
}
else {
return command;
}
}
function getDirectoryOfProcessById(processId) {
return child_process_1.execSync("lsof -p " +
processId +
' | awk \'$4=="cwd" {for (i=9; i<=NF; i++) printf "%s ", $i}\'', execOptions).trim();
}
function getProcessForPort(port) {
try {
const processId = getProcessIdOnPort(port);
const directory = getDirectoryOfProcessById(processId);
const command = getProcessCommand(processId, directory);
return (chalk_1.default.cyan(command) +
chalk_1.default.grey(" (pid " + processId + ")\n") +
chalk_1.default.blue(" in ") +
chalk_1.default.cyan(directory));
}
catch (e) {
return null;
}
}
exports.default = getProcessForPort;