文件夹整理

doc/test-data/purchase_transaction/node_modules/buffer-indexof-polyfill/init-buffer.js

@@ -1,8 +0,0 @@
-module.exports = function initBuffer(val) {
-  // assume old version
-    var nodeVersion = process && process.version ? process.version : "v5.0.0";
-    var major = nodeVersion.split(".")[0].replace("v", "");
-    return major < 6
-      ? new Buffer(val)
-      : Buffer.from(val);
-};