Updated

node_modules/snekfetch/src/node/FormData.js

@@ -0,0 +1,51 @@
+const path = require('path');
+const mime = require('./mime');
+
+class FormData {
+  constructor() {
+    this.boundary = `--snekfetch--${Math.random().toString().slice(2, 7)}`;
+    this.buffers = [];
+  }
+
+  append(name, data, filename) {
+    if (typeof data === 'undefined')
+      return;
+    let str = `\r\n--${this.boundary}\r\nContent-Disposition: form-data; name="${name}"`;
+    let mimetype = null;
+    if (filename) {
+      str += `; filename="${filename}"`;
+      mimetype = 'application/octet-stream';
+      const extname = path.extname(filename).slice(1);
+      if (extname)
+        mimetype = mime.lookup(extname);
+    }
+
+    if (data instanceof Buffer) {
+      mimetype = mime.buffer(data);
+    } else if (typeof data === 'object') {
+      mimetype = 'application/json';
+      data = Buffer.from(JSON.stringify(data));
+    } else {
+      data = Buffer.from(String(data));
+    }
+
+    if (mimetype)
+      str += `\r\nContent-Type: ${mimetype}`;
+    this.buffers.push(Buffer.from(`${str}\r\n\r\n`));
+    this.buffers.push(data);
+  }
+
+  getBoundary() {
+    return this.boundary;
+  }
+
+  end() {
+    return Buffer.concat([...this.buffers, Buffer.from(`\r\n--${this.boundary}--`)]);
+  }
+
+  get length() {
+    return this.buffers.reduce((sum, b) => sum + Buffer.byteLength(b), 0);
+  }
+}
+
+module.exports = FormData;