-
-
Notifications
You must be signed in to change notification settings - Fork 597
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
cli(prompt): initial comment for prompt file
- Loading branch information
1 parent
df8287d
commit f8a71c0
Showing
2 changed files
with
82 additions
and
4 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1 +1,81 @@ | ||
module.exports = {}; | ||
// based on https://github.com/webpack/webpack/blob/master/bin/webpack.js | ||
module.exports = function promptForInstallation(command, options) { | ||
const cp = require("child_process"); | ||
return new Promise((resolve, reject) => { | ||
const executedCommand = cp.spawn(command, options, { | ||
stdio: "inherit", | ||
shell: true | ||
}); | ||
|
||
executedCommand.on("error", error => { | ||
reject(error); | ||
}); | ||
|
||
executedCommand.on("exit", code => { | ||
if (code === 0) { | ||
resolve(true); | ||
} else { | ||
reject(); | ||
} | ||
}); | ||
}); | ||
} | ||
|
||
let packageIsInstalled = false; | ||
try { | ||
require.resolve(package); | ||
packageIsInstalled = true; | ||
} catch (err) { | ||
packageIsInstalled = false; | ||
} | ||
|
||
if (!packageIsInstalled) { | ||
const path = require("path"); | ||
const fs = require("fs"); | ||
const readLine = require("readline"); | ||
const isYarn = fs.existsSync(path.resolve(process.cwd(), "yarn.lock")); | ||
|
||
const packageManager = isYarn ? "yarn" : "npm"; | ||
const options = ["install", "-D", package]; | ||
|
||
if (isYarn) { | ||
options[0] = "add"; | ||
} | ||
|
||
const commandToBeRun = `${packageManager} ${options.join(" ")}`; | ||
|
||
const question = `Would you like to install ${packageIsInstalled}? (That will run ${commandToBeRun}) (yes/NO)`; | ||
|
||
console.error(`The CLI moved into a separate package: @webpack-cli/${package}`); | ||
const questionInterface = readLine.createInterface({ | ||
input: process.stdin, | ||
output: process.stdout | ||
}); | ||
questionInterface.question(question, answer => { | ||
questionInterface.close(); | ||
switch (answer.toLowerCase()) { | ||
case "y": | ||
case "yes": | ||
case "1": { | ||
runCommand(packageManager, options) | ||
.then(result => { | ||
return require(`@webpack-cli/${package}`); //eslint-disable-line | ||
}) | ||
.catch(error => { | ||
console.error(error); | ||
process.exitCode = 1; | ||
}); | ||
break; | ||
} | ||
default: { | ||
console.error( | ||
"It needs to be installed alongside webpack to use the CLI" | ||
); | ||
process.exitCode = 1; | ||
break; | ||
} | ||
} | ||
}); | ||
} else { | ||
require(package); // eslint-disable-line | ||
} |