Promise api

.travis.yml

@@ -3,6 +3,7 @@ os:
   - linux
 language: node_js
 node_js:
+  - '8'
   - '7'
   - '6'
   - '5'

appveyor.yml

@@ -1,8 +1,11 @@
 environment:
   matrix:
+    - nodejs_version: "8"
     - nodejs_version: "7"
     - nodejs_version: '6'
-    - nodejs_version: '4'
+    #- nodejs_version: '4'
+pull_requests:
+  do_not_increment_build_number: true
 install:
   - ps: Install-Product node $env:nodejs_version
   - set CI=true

index.d.ts

@@ -0,0 +1,33 @@
+interface PSLookupQuery {
+    command?: string;
+    arguments?: string;
+    pid?: number;
+}
+
+interface PSLookupResult{
+    pid: number,
+    command: string,
+    arguments?: string,
+    ppid: number
+}
+
+interface Signal{
+    signal: string,
+    timeout: number,
+}
+
+export function lookupPromise(
+    query: PSLookupQuery): Promise<PSLookupResult[]>;
+
+export function lookup(
+    query: PSLookupQuery, 
+    callback: (err: string, resultList: PSLookupResult[]) => void): void;
+
+export function exists(
+    query: PSLookupQuery
+): Promise<boolean>;
+
+export function kill(
+    pid: number,
+    signal: string | Signal,
+): void;

index.js

@@ -1 +1,19 @@
-module.exports = require('./lib');
+var ps = module.exports = require('./lib');
+
+var lookupPromise = module.exports.lookupPromise = function(query){
+    return new Promise(function(resolve, reject){
+        ps.lookup(query, function(err, psList){
+            if(err){
+                reject(err);
+            }
+
+            resolve(psList);
+        });
+    });
+}
+
+var exists = module.exports.exists = function(query){
+    return lookupPromise(query)
+        .then(_=>_ && _.length > 0)
+        .catch(_=>_);
+}