react app

react-app/node_modules/envify/custom.js

@@ -0,0 +1,38 @@
+var through = require('through')
+  , jstransform = require('jstransform')
+  , createVisitors = require('./visitors')
+
+var processEnvPattern = /\bprocess\.env\b/
+
+module.exports = function(rootEnv) {
+  rootEnv = rootEnv || process.env || {}
+
+  return function envify(file, argv) {
+    if (/\.json$/.test(file)) return through()
+
+    var buffer = []
+    argv = argv || {}
+
+    return through(write, flush)
+
+    function write(data) {
+      buffer.push(data)
+    }
+
+    function flush() {
+      var source = buffer.join('')
+
+      if (processEnvPattern.test(source)) {
+        try {
+          var visitors = createVisitors([argv, rootEnv])
+          source = jstransform.transform(visitors, source).code
+        } catch(err) {
+          return this.emit('error', err)
+        }
+      }
+
+      this.queue(source)
+      this.queue(null)
+    }
+  }
+}