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