webpack/bin/webpack.js

72 lines
1.6 KiB
JavaScript
Executable File

#!/usr/bin/env node
const cp = 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 {
require.resolve("webpack-cli");
webpackCliInstalled = true;
} catch (err) {
webpackCliInstalled = false;
}
if (!webpackCliInstalled) {
const path = require("path");
const fs = require("fs");
const isYarn = fs.existsSync(path.resolve(process.cwd(), "yarn.lock"));
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
};
console.error("The CLI moved into a separate package: webpack-cli");
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
}