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michaelficarra / CoffeeScriptRedux

:sweat: rewrite of the CoffeeScript compiler with proper compiler design principles and a focus on robustness and extensibility

Home Page:https://michaelficarra.github.com/CoffeeScriptRedux/

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JSON.parse stack traces break when using register

jkrems opened this issue · comments

commented

Minimal reproduction (using node 4):

rm -rf /tmp/missing-stack-trace; mkdir $_; cd $_ 
npm install coffee-script-redux coffee-script
echo 'JSON.parse("")' >b.coffee; echo 'require("./b.coffee")' >a.js

With redux:

> node -r coffee-script-redux/register a
undefined:1



SyntaxError: Unexpected end of input

With coffee-script:

> node -r coffee-script/register a 
undefined:1



SyntaxError: Unexpected end of input
  at Object.parse (native)
  at Object.<anonymous> (/private/tmp/missing-stack-trace/b.coffee:1:6)
  at Object.<anonymous> (/private/tmp/missing-stack-trace/b.coffee:1:1)
  at Module._compile (module.js:434:26)
  at Object.loadFile (/private/tmp/missing-stack-trace/node_modules/coffee-script/lib/coffee-script/register.js:16:19)
  at Module.load (/private/tmp/missing-stack-trace/node_modules/coffee-script/lib/coffee-script/register.js:45:36)
  at Function.Module._load (module.js:310:12)
  at Module.require (module.js:365:17)
  at require (module.js:384:17)
  at Object.<anonymous> (/private/tmp/missing-stack-trace/a.js:1:63)
  at Module._compile (module.js:434:26)
  at Object.Module._extensions..js (module.js:452:10)
  at Module.load (/private/tmp/missing-stack-trace/node_modules/coffee-script/lib/coffee-script/register.js:45:36)
  at Function.Module._load (module.js:310:12)
  at Function.Module.runMain (module.js:475:10)
  at startup (node.js:118:18)
  at node.js:952:3

The stack traces for JSON.parse disappear everywhere (and won't come, even in the following event loop ticks) the moment the first coffee-script file is required using -redux.

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commented

Is this just in recent versions of node? Have you tested whether 0.12 is affected? Do other stack traces work properly? Have you caught the error and inspected the stack yourself instead of allowing node to print it?