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process.env.toString() fails #9641

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bzoz opened this issue Nov 16, 2016 · 1 comment
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process.env.toString() fails #9641

bzoz opened this issue Nov 16, 2016 · 1 comment
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process Issues and PRs related to the process subsystem.

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@bzoz
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bzoz commented Nov 16, 2016

  • Version: current master
  • Platform: Ubuntu 64-bit

node -e 'process.env.toString()' gives error:

[eval]:1
process.env.toString()
            ^

TypeError: Cannot convert a Symbol value to a string
    at Object.toString (<anonymous>)
    at [eval]:1:13
    at ContextifyScript.Script.runInThisContext (vm.js:26:33)
    at Object.exports.runInThisContext (vm.js:79:17)
    at Object.<anonymous> ([eval]-wrapper:6:22)
    at Module._compile (module.js:573:32)
    at Immediate.<anonymous> (bootstrap_node.js:383:29)
    at runCallback (timers.js:637:20)
    at tryOnImmediate (timers.js:610:5)
    at processImmediate [as _immediateCallback] (timers.js:582:5)

This works as expected with v7.1.0.
@cjihrig
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cjihrig commented Nov 16, 2016

See #9631

@mscdex mscdex added the process Issues and PRs related to the process subsystem. label Nov 16, 2016
italoacasas pushed a commit to italoacasas/node that referenced this issue Jan 18, 2017
@addaleax @italoacasas
src: allow getting Symbols on process.env
03c79e9 
1aa595e introduced a `throw` for accessing `Symbol` properties of
`process.env`. However, this breaks `util.inspect(process)` and
things like `Object.prototype.toString.call(process.env)`, so this
patch changes the behaviour for the getter to just always return
`undefined`.

Ref: nodejs#9446
Fixes: nodejs#9641
PR-URL: nodejs#9631
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>
Reviewed-By: James M Snell <[email protected]>
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@mscdex @cjihrig @bzoz