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fix: check npm.config before accessing its members #508

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fix: check npm.config before accessing its members #508

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8 changes: 4 additions & 4 deletions lib/utils/error-handler.js
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Expand Up @@ -36,7 +36,7 @@ process.on('timing', function (name, value) {
process.on('exit', function (code) {
process.emit('timeEnd', 'npm')
log.disableProgress()
if (npm.config.loaded && npm.config.get('timing')) {
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I think we could dry this up by adding something like this near the top, no?

const config = npm.config || { loaded: false }

And then replacing npm.config with config in the lines below.

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Seems reasonable to me.

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Hmm, this approach seems to introduce more stack traces and more errors. Is this what we want?

$ ./bin/npx-cli.js foo
Command failed: node.exe npm-cli.js config get cache --parseable
Error: Exit prior to config file resolving.
    at errorHandler (...\lib\utils\error-handler.js:149:16)
    at ...\bin\npm-cli.js:150:20
    at get (...\lib\config.js:171:3)
    at EventEmitter.config (...\lib\config.js:68:14)
    at Object.commandCache.(anonymous function) (...\lib\npm.js:156:13)
    at EventEmitter.<anonymous> (...\bin\npm-cli.js:131:30)
    at process._tickCallback (internal/process/next_tick.js:61:11)
npm ERR! Exit prior to config file resolving.
Error: npm.load() required
    at Object.get (...\lib\npm.js:59:13)
    at errorHandler (...\lib\utils\error-handler.js:207:14)
    at ...\bin\npm-cli.js:150:20
    at get (...\lib\config.js:171:3)
    at EventEmitter.config (...\lib\config.js:68:14)
    at Object.commandCache.(anonymous function) (...\lib\npm.js:156:13)
    at EventEmitter.<anonymous> (...\bin\npm-cli.js:131:30)
    at process._tickCallback (internal/process/next_tick.js:61:11)
npm ERR! npm.load() required
...\lib\npm.js:59
      throw new Error('npm.load() required')
      ^

Error: npm.load() required
    at Object.get (...\lib\npm.js:59:13)
    at process.errorHandler (...\lib\utils\error-handler.js:207:14)
    at process.emit (events.js:198:13)
    at process._fatalException (internal/bootstrap/node.js:496:27)

if (npm.config && npm.config.loaded && npm.config.get('timing')) {
try {
timings.logfile = getLogFile()
cacheFile.append('_timing.json', JSON.stringify(timings) + '\n')
Expand Down Expand Up @@ -64,7 +64,7 @@ process.on('exit', function (code) {
log.verbose('code', code)
}
}
if (npm.config.loaded && npm.config.get('timing') && !wroteLogFile) writeLogFile()
if (npm.config && npm.config.loaded && npm.config.get('timing') && !wroteLogFile) writeLogFile()
if (wroteLogFile) {
// just a line break
if (log.levels[log.level] <= log.levels.error) console.error('')
Expand All @@ -79,7 +79,7 @@ process.on('exit', function (code) {
wroteLogFile = false
}

var doExit = npm.config.loaded && npm.config.get('_exit')
var doExit = npm.config && npm.config.loaded && npm.config.get('_exit')
if (doExit) {
// actually exit.
if (exitCode === 0 && !itWorked) {
Expand All @@ -94,7 +94,7 @@ process.on('exit', function (code) {
function exit (code, noLog) {
exitCode = exitCode || process.exitCode || code

var doExit = npm.config.loaded ? npm.config.get('_exit') : true
var doExit = npm.config && npm.config.loaded ? npm.config.get('_exit') : true
log.verbose('exit', [code, doExit])
if (log.level === 'silent') noLog = true

Expand Down
4 changes: 2 additions & 2 deletions lib/utils/error-message.js
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Expand Up @@ -35,9 +35,9 @@ function errorMessage (er) {
case 'EACCES':
case 'EPERM':
const isCachePath = typeof er.path === 'string' &&
er.path.startsWith(npm.config.get('cache'))
npm.config && er.path.startsWith(npm.config.get('cache'))
const isCacheDest = typeof er.dest === 'string' &&
er.dest.startsWith(npm.config.get('cache'))
npm.config && er.dest.startsWith(npm.config.get('cache'))

const isWindows = process.platform === 'win32'

Expand Down