commit

node_modules/busboy/lib/index.js

@@ -0,0 +1,57 @@
+'use strict';
+
+const { parseContentType } = require('./utils.js');
+
+function getInstance(cfg) {
+  const headers = cfg.headers;
+  const conType = parseContentType(headers['content-type']);
+  if (!conType)
+    throw new Error('Malformed content type');
+
+  for (const type of TYPES) {
+    const matched = type.detect(conType);
+    if (!matched)
+      continue;
+
+    const instanceCfg = {
+      limits: cfg.limits,
+      headers,
+      conType,
+      highWaterMark: undefined,
+      fileHwm: undefined,
+      defCharset: undefined,
+      defParamCharset: undefined,
+      preservePath: false,
+    };
+    if (cfg.highWaterMark)
+      instanceCfg.highWaterMark = cfg.highWaterMark;
+    if (cfg.fileHwm)
+      instanceCfg.fileHwm = cfg.fileHwm;
+    instanceCfg.defCharset = cfg.defCharset;
+    instanceCfg.defParamCharset = cfg.defParamCharset;
+    instanceCfg.preservePath = cfg.preservePath;
+    return new type(instanceCfg);
+  }
+
+  throw new Error(`Unsupported content type: ${headers['content-type']}`);
+}
+
+// Note: types are explicitly listed here for easier bundling
+// See: https://github.com/mscdex/busboy/issues/121
+const TYPES = [
+  require('./types/multipart'),
+  require('./types/urlencoded'),
+].filter(function(typemod) { return typeof typemod.detect === 'function'; });
+
+module.exports = (cfg) => {
+  if (typeof cfg !== 'object' || cfg === null)
+    cfg = {};
+
+  if (typeof cfg.headers !== 'object'
+      || cfg.headers === null
+      || typeof cfg.headers['content-type'] !== 'string') {
+    throw new Error('Missing Content-Type');
+  }
+
+  return getInstance(cfg);
+};