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backend/node_modules/simple-concat/index.js

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+/*! simple-concat. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
+module.exports = function (stream, cb) {
+  var chunks = []
+  stream.on('data', function (chunk) {
+    chunks.push(chunk)
+  })
+  stream.once('end', function () {
+    if (cb) cb(null, Buffer.concat(chunks))
+    cb = null
+  })
+  stream.once('error', function (err) {
+    if (cb) cb(err)
+    cb = null
+  })
+}