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const promiseSpawn = require('@npmcli/promise-spawn')
const { URL } = require('url')
// attempt to open URL in web-browser, print address otherwise:
const open = async (npm, url, errMsg, isFile) => {
url = encodeURI(url)
const browser = npm.config.get('browser')
function printAlternateMsg () {
const json = npm.config.get('json')
const alternateMsg = json
? JSON.stringify({
title: errMsg,
url,
}, null, 2)
: `${errMsg}:\n ${url}\n`
npm.output(alternateMsg)
}
if (browser === false) {
printAlternateMsg()
return
}
// We pass this in as true from the help command so we know we don't have to
// check the protocol
if (!isFile) {
try {
if (!/^https?:$/.test(new URL(url).protocol)) {
throw new Error()
}
} catch (_) {
throw new Error('Invalid URL: ' + url)
}
}
const command = browser === true ? null : browser
await promiseSpawn.open(url, { command })
.catch((err) => {
if (err.code !== 'ENOENT') {
throw err
}
printAlternateMsg()
})
}
module.exports = open
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