modified

build/node_modules/formidable/src/parsers/JSON.js

@@ -0,0 +1,35 @@
+/* eslint-disable no-underscore-dangle */
+
+'use strict';
+
+const { Transform } = require('stream');
+
+class JSONParser extends Transform {
+  constructor(options = {}) {
+    super({ readableObjectMode: true });
+    this.chunks = [];
+    this.globalOptions = { ...options };
+  }
+
+  _transform(chunk, encoding, callback) {
+    this.chunks.push(String(chunk)); // todo consider using a string decoder
+    callback();
+  }
+
+  _flush(callback) {
+    try {
+      const fields = JSON.parse(this.chunks.join(''));
+      Object.keys(fields).forEach((key) => {
+        const value = fields[key];
+        this.push({ key, value });
+      });
+    } catch (e) {
+      callback(e);
+      return;
+    }
+    this.chunks = null;
+    callback();
+  }
+}
+
+module.exports = JSONParser;