Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/decompress-tar/index.js b/node_modules/decompress-tar/index.js
new file mode 100644
index 0000000..721b48c
--- /dev/null
+++ b/node_modules/decompress-tar/index.js
@@ -0,0 +1,59 @@
+'use strict';
+const fileType = require('file-type');
+const isStream = require('is-stream');
+const tarStream = require('tar-stream');
+
+module.exports = () => input => {
+ if (!Buffer.isBuffer(input) && !isStream(input)) {
+ return Promise.reject(new TypeError(`Expected a Buffer or Stream, got ${typeof input}`));
+ }
+
+ if (Buffer.isBuffer(input) && (!fileType(input) || fileType(input).ext !== 'tar')) {
+ return Promise.resolve([]);
+ }
+
+ const extract = tarStream.extract();
+ const files = [];
+
+ extract.on('entry', (header, stream, cb) => {
+ const chunk = [];
+
+ stream.on('data', data => chunk.push(data));
+ stream.on('end', () => {
+ const file = {
+ data: Buffer.concat(chunk),
+ mode: header.mode,
+ mtime: header.mtime,
+ path: header.name,
+ type: header.type
+ };
+
+ if (header.type === 'symlink' || header.type === 'link') {
+ file.linkname = header.linkname;
+ }
+
+ files.push(file);
+ cb();
+ });
+ });
+
+ const promise = new Promise((resolve, reject) => {
+ if (!Buffer.isBuffer(input)) {
+ input.on('error', reject);
+ }
+
+ extract.on('finish', () => resolve(files));
+ extract.on('error', reject);
+ });
+
+ extract.then = promise.then.bind(promise);
+ extract.catch = promise.catch.bind(promise);
+
+ if (Buffer.isBuffer(input)) {
+ extract.end(input);
+ } else {
+ input.pipe(extract);
+ }
+
+ return extract;
+};