implementation is ready

dist/index.d.ts

@@ -0,0 +1 @@
+export * from "./nodehash.sha256";

dist/index.js

@@ -1,2 +1,6 @@
 "use strict";
-//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiaW5kZXguanMiLCJzb3VyY2VSb290IjoiIiwic291cmNlcyI6WyIuLi90cy9pbmRleC50cyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiIn0=
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+__export(require("./nodehash.sha256"));
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiaW5kZXguanMiLCJzb3VyY2VSb290IjoiIiwic291cmNlcyI6WyIuLi90cy9pbmRleC50cyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiOzs7O0FBRUEsaUJBQWMsbUJBQW1CLENBQUMsRUFBQSJ9

dist/nodehash.helpers.d.ts

@@ -0,0 +1,2 @@
+/// <reference types="node" />
+export declare let hashStreamPipeStop: (resolveFuntion: any) => NodeJS.ReadWriteStream;

dist/nodehash.helpers.js

@@ -0,0 +1,13 @@
+"use strict";
+const plugins = require("./nodehash.plugins");
+exports.hashStreamPipeStop = (resolveFuntion) => {
+    let forEach = (chunk, enc, cb) => {
+        resolveFuntion(chunk.toString("utf8"));
+        cb(null, chunk);
+    };
+    let atEnd = (cb) => {
+        cb();
+    };
+    return plugins.through2(forEach, atEnd);
+};
+//# sourceMappingURL=data:application/json;base64,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

dist/nodehash.plugins.d.ts

@@ -1,2 +1,7 @@
 import "typings-global";
 export import crypto = require("crypto");
+export import fs = require("fs");
+export import path = require("path");
+export import q = require("q");
+export import stream = require("stream");
+export import through2 = require("through2");

dist/nodehash.plugins.js

@@ -1,4 +1,9 @@
 "use strict";
 require("typings-global");
 exports.crypto = require("crypto");
-//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoibm9kZWhhc2gucGx1Z2lucy5qcyIsInNvdXJjZVJvb3QiOiIiLCJzb3VyY2VzIjpbIi4uL3RzL25vZGVoYXNoLnBsdWdpbnMudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IjtBQUFBLFFBQU8sZ0JBQWdCLENBQUMsQ0FBQTtBQUNWLGNBQU0sV0FBVyxRQUFRLENBQUMsQ0FBQyJ9
+exports.fs = require("fs");
+exports.path = require("path");
+exports.q = require("q");
+exports.stream = require("stream");
+exports.through2 = require("through2");
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoibm9kZWhhc2gucGx1Z2lucy5qcyIsInNvdXJjZVJvb3QiOiIiLCJzb3VyY2VzIjpbIi4uL3RzL25vZGVoYXNoLnBsdWdpbnMudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IjtBQUFBLFFBQU8sZ0JBQWdCLENBQUMsQ0FBQTtBQUNWLGNBQU0sV0FBVyxRQUFRLENBQUMsQ0FBQztBQUMzQixVQUFFLFdBQVcsSUFBSSxDQUFDLENBQUM7QUFDbkIsWUFBSSxXQUFXLE1BQU0sQ0FBQyxDQUFDO0FBQ3ZCLFNBQUMsV0FBVyxHQUFHLENBQUMsQ0FBQztBQUNqQixjQUFNLFdBQVcsUUFBUSxDQUFDLENBQUM7QUFDM0IsZ0JBQVEsV0FBVyxVQUFVLENBQUMsQ0FBQyJ9

dist/nodehash.sha256.d.ts

@@ -0,0 +1,18 @@
+/// <reference types="q" />
+import * as plugins from "./nodehash.plugins";
+/**
+ * creates sha256 Hash from Stream
+ */
+export declare let sha256FromStream: (input: any) => plugins.q.Promise<{}>;
+/**
+ * creates sha256 Hash from File;
+ */
+export declare let sha256FromFile: (filePath: string) => plugins.q.Promise<{}>;
+/**
+ * Computes sha256 Hash from String synchronously
+ */
+export declare let sha256FromStringSync: (stringArg: any) => any;
+/**
+ * Computes sha256 Hash from String
+ */
+export declare let sha256FromString: (stringArg: any) => plugins.q.Promise<{}>;

dist/nodehash.sha256.js

@@ -0,0 +1,48 @@
+"use strict";
+const plugins = require("./nodehash.plugins");
+const helpers = require("./nodehash.helpers");
+/**
+ * creates sha256 Hash from Stream
+ */
+exports.sha256FromStream = (input) => {
+    let done = plugins.q.defer();
+    let hash = plugins.crypto.createHash('sha256');
+    hash["setEncoding"]("hex");
+    input
+        .pipe(hash)
+        .pipe(helpers.hashStreamPipeStop(done.resolve));
+    return done.promise;
+};
+/**
+ * creates sha256 Hash from File;
+ */
+exports.sha256FromFile = (filePath) => {
+    let done = plugins.q.defer();
+    let absolutePath = plugins.path.resolve(filePath);
+    let readableStream = plugins.fs.createReadStream(absolutePath);
+    exports.sha256FromStream(readableStream)
+        .then((resultHashString) => {
+        done.resolve(resultHashString);
+    });
+    return done.promise;
+};
+/**
+ * Computes sha256 Hash from String synchronously
+ */
+exports.sha256FromStringSync = (stringArg) => {
+    let hash = plugins.crypto.createHash('sha256');
+    hash.update(stringArg);
+    return hash.digest("hex");
+};
+/**
+ * Computes sha256 Hash from String
+ */
+exports.sha256FromString = (stringArg) => {
+    let done = plugins.q.defer();
+    let hash = plugins.crypto.createHash('sha256');
+    hash.update(stringArg);
+    let hashResult = hash.digest("hex");
+    done.resolve(hashResult);
+    return done.promise;
+};
+//# sourceMappingURL=data:application/json;base64,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