webpack/bin/webpack.js

92 lines
2.2 KiB
JavaScript
Executable File

#!/usr/bin/env node
const { exec, execSync } = require("child_process");
const inquirer = require("inquirer");
function runCommand(command, options) {
return new Promise((resolve, reject) => {
const executedCommand = cp.spawn(command, options, {
stdio: "inherit"
});
executedCommand.on("error", (error) => {
reject(error);
});
executedCommand.on("exit", (code) => {
if(code === 0) {
resolve(true);
} else {
reject();
}
});
});
}
let webpackCliInstalled = false;
// try {
// const blah = require("webpack-cli"); // eslint-disable-line node/no-missing-require, node/no-extraneous-require, node/no-unpublished-require
// webpackCliInstalled = true;
// } catch(e) {
// console.log("error", e);
// webpackCliInstalled = false;
// }
try {
execSync("node -e require.resolve('webpack-cli')", { stdio: "ignore" });
webpackCliInstalled = true;
} catch (err) {
webpackCliInstalled = false;
}
if(webpackCliInstalled) {
require("webpack-cli"); // eslint-disable-line node/no-missing-require, node/no-extraneous-require, node/no-unpublished-require
} else {
const path = require("path");
const fs = require("fs");
const isYarn = fs.existsSync(path.resolve(process.cwd(), "yarn.lock"));
let command;
let packageManager;
let options = [];
if(isYarn) {
packageManager = "yarn";
options = ["add", "-D", "webpack-cli"];
} else {
packageManager = "npm";
options = ["install", "--save-dev", "webpack-cli"];
}
const commandToBeRun = `${packageManager} ${options.join(" ")}`;
const question = {
type: "confirm",
name: "shouldInstall",
message: `Would you like to install webpack-cli? (That will run ${commandToBeRun})`,
default: true
};
if(isYarn) {
command = "yarn add webpack-cli -D";
} else {
command = "npm install --save-dev webpack-cli";
}
console.error("The CLI moved into a separate package: webpack-cli.\n");
inquirer.prompt(question).then((answer) => {
if(answer) {
console.error("Installing webpack-cli");
runCommand(packageManager, options).then((result) => {
require("webpack-cli"); // eslint-disable-line
}).catch((error) => {
console.error(error);
});
} else {
process.exitCode(1);
}
});
} else {
require("webpack-cli"); // eslint-disable-line
}