Issues/error stdout maxbuffer exceeded after removing unrelated gem 50

index.js

@@ -1,5 +1,5 @@
 var fs = require('fs')
-var execFile = require('child_process').execFile
+var spawn = require('child_process').spawn
 var path = require('path')
 var getOptions = require('loader-utils').getOptions
 var defaults = require('lodash.defaults')
@@ -70,46 +70,53 @@ function parseDependencies (source, root) {
  * output transformed source.
  */
 function transformSource (runner, config, source, map, callback) {
- var child = execFile(
+ var child = spawn(
  runner.file,
  runner.arguments.concat(
  runnerPath,
  ioDelimiter,
  config.engine
  ),
- { timeout: config.timeoutMs },
- function (error, stdout, stderr) {
- // Output is delimited to filter out unwanted warnings or other output
- // that we don't want in our files.
+ { stdio: ['pipe', 'pipe', process.stderr] }
+ )
+ if (config.timeoutMs) {
+ var cancelTimeout = setTimeout(function () {
+ child.kill()
+ }, config.timeoutMs)
+ }
+
+ var dataBuffers = []
+ child.stdout.on('data', function (data) {
+ // Output is delimited to filter out unwanted warnings or other output
+ // that we don't want in our files.
+ dataBuffers.push(data)
+ })
+
+ child.on('close', function (code) {
+ if (code === 0) {
  var sourceRegex = new RegExp(ioDelimiter + '([\\s\\S]+)' + ioDelimiter)
- var matches = stdout.match(sourceRegex)
+ var matches = dataBuffers.join('').match(sourceRegex)
  var transformedSource = matches && matches[1]
- if (error && error.signal === 'SIGTERM') {
- if (config.timeoutMs) {
- callback(new Error(
- 'rails-erb-loader took longer than the specified ' + config.timeoutMs +
- 'ms timeout'
- ))
- } else {
- callback(error)
- }
- } else {
- callback(error, transformedSource, map)
- }
- }
- )
- child.stdin.on('error', function (error) {
- if (error.code === 'EPIPE') {
- // When the `runner` command is not found, stdin will not be open.
- // Attemping to write then causes an EPIPE error. Ignore this because the
- // `exec` callback gives a more meaningful error that we show to the user.
+ if (config.timeoutMs) { cancelTimeout() }
+ callback(null, transformedSource, map)
+ } else if (child.killed) {
+ callback(new Error(
+ 'rails-erb-loader took longer than the specified ' + config.timeoutMs +
+ 'ms timeout'
+ ))
  } else {
- console.error(
- 'rails-erb-loader encountered an unexpected error while writing to stdin: "' +
- error.message + '". Please report this to the maintainers.'
- )
+ callback(new Error('rails-erb-loader failed with code: ' + code))
  }
  })
+
+ child.on('error', callback)
+
+ child.stdin.on('error', function (error) {
+ console.error(
+ 'rails-erb-loader encountered an unexpected error while writing to stdin: "' +
+ error.message + '". Please report this to the maintainers.'
+ )
+ })
  child.stdin.write(source)
  child.stdin.end()
 }