111 lines
2.6 KiB
JavaScript
111 lines
2.6 KiB
JavaScript
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// based on https://github.com/webpack/webpack/blob/master/bin/webpack.js
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/**
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* @param {string} command process to run
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* @param {string[]} args commandline arguments
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* @returns {Promise<void>} promise
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*/
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const runCommand = (command, args) => {
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const cp = require("child_process");
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return new Promise((resolve, reject) => {
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resolve();
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const executedCommand = cp.spawn(command, args, {
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stdio: "inherit",
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shell: true
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});
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executedCommand.on("error", error => {
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reject(error);
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});
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executedCommand.on("exit", code => {
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if (code === 0) {
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resolve();
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} else {
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reject();
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}
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});
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});
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};
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module.exports = function promptForInstallation(packages, ...args) {
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const nameOfPackage = "@webpack-cli/" + packages;
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let packageIsInstalled = false;
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let pathForCmd;
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try {
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const path = require("path");
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pathForCmd = path.resolve(
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process.cwd(),
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"node_modules",
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"@webpack-cli",
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packages
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);
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require.resolve(pathForCmd);
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packageIsInstalled = true;
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} catch (err) {
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packageIsInstalled = false;
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}
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if (!packageIsInstalled) {
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const path = require("path");
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const fs = require("fs");
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const readLine = require("readline");
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const isYarn = fs.existsSync(path.resolve(process.cwd(), "yarn.lock"));
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const packageManager = isYarn ? "yarn" : "npm";
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const options = ["install", "-D", nameOfPackage];
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if (isYarn) {
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options[0] = "add";
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}
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const commandToBeRun = `${packageManager} ${options.join(" ")}`;
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const question = `Would you like to install ${packages}? (That will run ${commandToBeRun}) (yes/NO)`;
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console.error(
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`The command moved into a separate package: ${nameOfPackage}`
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);
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const questionInterface = readLine.createInterface({
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input: process.stdin,
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output: process.stdout
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});
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questionInterface.question(question, answer => {
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questionInterface.close();
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switch (answer.toLowerCase()) {
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case "y":
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case "yes":
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case "1": {
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//eslint-disable-next-line
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runCommand(packageManager, options)
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.then(result => {
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pathForCmd = path.resolve(
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process.cwd(),
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"node_modules",
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"@webpack-cli",
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packages
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);
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if (packages === "serve") {
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return require(pathForCmd).default.serve();
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}
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return require(pathForCmd).default(...args); //eslint-disable-line
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})
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.catch(error => {
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console.error(error);
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process.exitCode = 1;
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});
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break;
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}
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default: {
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console.error(
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`${nameOfPackage} needs to be installed in order to run the command.`
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);
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process.exitCode = 1;
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break;
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}
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}
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});
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} else {
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require(pathForCmd).default(...args); // eslint-disable-line
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}
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};
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