fix(core): update

ts/nodehash.helpers.ts

@@ -1,12 +1,12 @@
 import * as plugins from './nodehash.plugins';
 
-export let hashStreamPipeStop = resolveFuntion => {
-  let forEach = (chunk: Buffer, enc, cb) => {
+export const hashStreamPipeStop = resolveFuntion => {
+  const forEach = (chunk: Buffer, enc, cb) => {
     resolveFuntion(chunk.toString('utf8'));
     cb(null, chunk);
   };
 
-  let atEnd = cb => {
+  const atEnd = cb => {
     cb();
   };
 

ts/nodehash.plugins.ts

@@ -1,6 +1,28 @@
-export import crypto = require('crypto');
-export import fs = require('fs');
-export import path = require('path');
-export import q = require('@pushrocks/smartpromise');
-export import stream = require('stream');
-export import through2 = require('through2');
+// node native scope
+import crypto from 'crypto';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as stream from 'stream';
+
+export {
+  crypto,
+  fs,
+  path,
+  stream
+};
+
+// pushrocks scope
+import * as smartpromise from '@pushrocks/smartpromise';
+import * as smartjson from '@pushrocks/smartjson';
+
+export {
+  smartpromise,
+  smartjson
+};
+
+// thirdparty scope
+import through2 from 'through2';
+
+export {
+  through2
+};

ts/nodehash.sha256.ts

@@ -4,11 +4,11 @@ import * as helpers from './nodehash.helpers';
 /**
  * creates sha256 Hash from Stream
  */
-export let sha256FromStream = (input): Promise<string> => {
-  let done = plugins.q.defer<string>();
-  let hash = plugins.crypto.createHash('sha256');
+export const sha256FromStream = (input: plugins.stream.Stream): Promise<string> => {
+  const done = plugins.smartpromise.defer<string>();
+  const hash = plugins.crypto.createHash('sha256');
 
-  hash['setEncoding']('hex');
+  hash.setEncoding('hex');
   input.pipe(hash).pipe(helpers.hashStreamPipeStop(done.resolve));
   return done.promise;
 };
@@ -16,21 +16,18 @@ export let sha256FromStream = (input): Promise<string> => {
 /**
  * creates sha256 Hash from File;
  */
-export let sha256FromFile = (filePath: string) => {
-  let done = plugins.q.defer();
-  let absolutePath = plugins.path.resolve(filePath);
-  let readableStream = plugins.fs.createReadStream(absolutePath);
-  sha256FromStream(readableStream).then(resultHashString => {
-    done.resolve(resultHashString);
-  });
-  return done.promise;
+export const sha256FromFile = async (filePath: string): Promise<string> => {
+  const absolutePath = plugins.path.resolve(filePath);
+  const readableStream = plugins.fs.createReadStream(absolutePath);
+  const hashResult = sha256FromStream(readableStream);
+  return hashResult;
 };
 
 /**
  * Computes sha256 Hash from String synchronously
  */
-export let sha256FromStringSync = stringArg => {
-  let hash = plugins.crypto.createHash('sha256');
+export let sha256FromStringSync = (stringArg): string => {
+  const hash = plugins.crypto.createHash('sha256');
   hash.update(stringArg);
   return hash.digest('hex');
 };
@@ -38,11 +35,18 @@ export let sha256FromStringSync = stringArg => {
 /**
  * Computes sha256 Hash from String
  */
-export let sha256FromString = stringArg => {
-  let done = plugins.q.defer();
-  let hash = plugins.crypto.createHash('sha256');
+export const sha256FromString = async(stringArg: string): Promise<string> => {
+  const hash = plugins.crypto.createHash('sha256');
   hash.update(stringArg);
-  let hashResult = hash.digest('hex');
-  done.resolve(hashResult);
-  return done.promise;
+  const hashResult = hash.digest('hex');
+  return hashResult;
+};
+
+/**
+ * computes sha265 Hash from Object
+ */
+export const sha265FromObject = async (objectArg: any): Promise<string> => {
+  const stringifiedObject = plugins.smartjson.Smartjson.stringify(objectArg, {});
+  const hashResult = await sha256FromString(stringifiedObject);
+  return hashResult;
 };