hardlounge/src/command-line/uninstall.js

103 lines
2.6 KiB
JavaScript

"use strict";
const colors = require("colors/safe");
const path = require("path");
const program = require("commander");
const Helper = require("../helper");
const Utils = require("./utils");
program
.command("uninstall <package>")
.description("Uninstall a theme or a package")
.on("--help", Utils.extraHelp)
.action(function(packageName) {
const fs = require("fs");
const child = require("child_process");
if (!fs.existsSync(Helper.getConfigPath())) {
log.error(`${Helper.getConfigPath()} does not exist.`);
return;
}
log.info(`Uninstalling ${colors.green(packageName)}...`);
const packagesPath = Helper.getPackagesPath();
const packagesConfig = path.join(packagesPath, "package.json");
const packageWasNotInstalled = `${colors.green(packageName)} was not installed.`;
if (!fs.existsSync(packagesConfig)) {
log.warn(packageWasNotInstalled);
process.exit(1);
}
const npm = process.platform === "win32" ? "npm.cmd" : "npm";
const errorHandler = (error) => {
log.error(
`Failed to uninstall ${colors.green(packageName)}. ` +
`${typeof x === "number" ? "Exit code" : "Error"}: ${error}`
);
process.exit(1);
};
// First, we check if the package is installed with `npm list`
const list = child.spawn(
npm,
[
"list",
"--depth",
"0",
"--prefix",
packagesPath,
packageName,
],
{
// This is the same as `"inherit"` except:
// - `process.stdout` is piped so we can test if the output mentions the
// package was found
// - `process.stderr` is ignored to silence `npm ERR! extraneous` errors
stdio: [process.stdin, "pipe", "ignore"],
}
);
list.stdout.on("data", (data) => {
// If the package name does not appear in stdout, it means it was not
// installed. We cannot rely on exit code because `npm ERR! extraneous`
// causes a status of 1 even if package exists.
if (!data.toString().includes(packageName)) {
log.warn(packageWasNotInstalled);
process.exit(1);
}
});
list.on("error", errorHandler);
list.on("close", () => {
// If we get there, it means the package exists, so uninstall
const uninstall = child.spawn(
npm,
[
"uninstall",
"--save",
"--no-progress",
"--prefix",
packagesPath,
packageName,
],
{
// This is the same as `"inherit"` except `process.stdout` is silenced
stdio: [process.stdin, "ignore", process.stderr],
}
);
uninstall.on("error", errorHandler);
uninstall.on("close", (code) => {
if (code !== 0) {
errorHandler(code);
}
log.info(`${colors.green(packageName)} has been successfully uninstalled.`);
});
});
});