2.2.4

README.md

@@ -21,6 +21,7 @@ accepts call to execute in gulp pipeline.
 ```javascript
 import * as gulp from 'gulp';
 import gulpFunction from 'gulp-function' // default ES6 export
+// import {forFirst, forEach, atEnd} from 'gulp-function'
 let Q = require("q");
 
 let myFunction = function (file, enc) { // file and enc are optional in case you want to modify the file object
@@ -38,6 +39,7 @@ let myFunction = function (file, enc) { // file and enc are optional in case you
 gulp.task('gulpTest',function() {
     let stream = gulp.src('./mydir/*.something')
         .pipe(gulpFunction(myFunction,'forEach')) //read the notes below
+        // .pipe(forEach(myFunction)) // if imported as >> import { forEach } from 'gulp-function' <<
         .pipe(gulp.dest("./build/"));
     return stream; // by returning the stream gulp knows when our task has finished.
 });

dist/index.d.ts

@@ -5,5 +5,8 @@ export declare type TExecutionMode = 'forEach' | 'forFirst' | 'atEnd';
 export interface IPromiseFunction {
     (file?: any, enc?: any): PromiseLike<any>;
 }
-declare let mainExportFunction: (functionsToExecuteArg: IPromiseFunction | IPromiseFunction[], executionModeArg?: TExecutionMode) => Transform;
+declare let defaultExport: (functionsToExecuteArg: IPromiseFunction | IPromiseFunction[], executionModeArg?: TExecutionMode) => Transform;
-export default mainExportFunction;
+export declare let forEach: (funcArg: IPromiseFunction) => Transform;
+export declare let forFirst: (funcArg: IPromiseFunction) => Transform;
+export declare let atEnd: (funcArg: IPromiseFunction) => Transform;
+export default defaultExport;

dist/index.js

@@ -1,8 +1,8 @@
 "use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
 require("typings-global");
-const q = require("q");
 const through2 = require("through2");
-let mainExportFunction = (functionsToExecuteArg, executionModeArg = 'forEach') => {
+let defaultExport = (functionsToExecuteArg, executionModeArg = 'forEach') => {
     let promiseArray = [];
     let runFunction = function (functionArg, file, enc) {
         let returnValue = functionArg(file, enc);
@@ -22,7 +22,7 @@ let mainExportFunction = (functionsToExecuteArg, executionModeArg = 'forEach') =
         else {
             throw new Error('gulp-callfunction: something is strange with the given arguments');
         }
-        return q.all(promiseArray);
+        return Promise.all(promiseArray);
     };
     let hasExecutedOnce = false;
     let forEach = function (file, enc, cb) {
@@ -63,6 +63,14 @@ let mainExportFunction = (functionsToExecuteArg, executionModeArg = 'forEach') =
     };
     return through2.obj(forEach, atEnd);
 };
-Object.defineProperty(exports, "__esModule", { value: true });
+exports.forEach = (funcArg) => {
-exports.default = mainExportFunction;
+    return defaultExport(funcArg, 'forEach');
-//# sourceMappingURL=data:application/json;base64,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
+};
+exports.forFirst = (funcArg) => {
+    return defaultExport(funcArg, 'forFirst');
+};
+exports.atEnd = (funcArg) => {
+    return defaultExport(funcArg, 'atEnd');
+};
+exports.default = defaultExport;
+//# sourceMappingURL=data:application/json;base64,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

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gulp-function",
-  "version": "2.1.0",
+  "version": "2.2.4",
   "description": "accepts a function call as parameter to execute in gulp pipeline",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
@@ -26,16 +26,14 @@
   },
   "homepage": "https://gitlab.com/pushrocks/gulp-function",
   "dependencies": {
-    "@types/q": "0.0.32",
+    "@types/through2": "^2.0.32",
-    "@types/through2": "^2.0.31",
+    "smartq": "^1.1.1",
-    "q": "^1.4.1",
+    "through2": "^2.0.3",
-    "through2": "^2.0.1",
+    "typings-global": "^1.0.16"
-    "typings-global": "^1.0.14"
   },
   "devDependencies": {
-    "beautylog": "^6.0.0",
+    "beautylog": "^6.1.10",
     "gulp": "^3.9.1",
-    "npmts-g": "^5.2.8",
+    "tapbundle": "^1.0.10"
-    "typings-test": "^1.0.3"
   }
 }

test/test.d.ts

@@ -1 +0,0 @@
-import 'typings-test';

test/test.js.map

@@ -1 +0,0 @@
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test/test.ts

@@ -1,118 +1,34 @@
-import 'typings-test'
+import { expect, tap } from 'tapbundle'
-let gulp = require('gulp');
-import gulpFunction from '../dist/index'
-let beautylog = require('beautylog')
-let Q = require('q')
 
-let myFunction = function () {
+let gulp = require('gulp')
-    let done = Q.defer()
+import * as gulpFunction from '../dist/index'
-    beautylog.log('Function executed');
-    done.resolve();
-    return done.promise;
-};
-let myFunction2 = function () {
-    let done = Q.defer();
-    beautylog.ok('Function2 executed');
-    done.resolve();
-    return done.promise;
-};
-let myFunction3 = function () {
-    let done = Q.defer();
-    beautylog.success('Function3 executed');
-    done.resolve();
-    return done.promise;
-};
 
-let beforeFunction = function () {
+import * as beautylog from 'beautylog'
-    let done = Q.defer();
+let smartq = require('smartq')
-    beautylog.success('beforeFunction executed');
-    done.resolve();
-    return done.promise;
-};
-
-let middleFunctionRun = false;
-
-let middleFunction = function () {
-    let done = Q.defer();
-    beautylog.success('middleFunction executed');
-    setTimeout(function(){
-        beautylog.log('timeout fired');
-        middleFunctionRun = true;
-        done.resolve();
-    }, 500);
-    return done.promise;
-};
-
-let afterFunction = function () {
-    let done = Q.defer();
-    beautylog.success('afterFunction executed');
-    done.resolve();
-    return done.promise;
-};
-
-let timeoutFunction = function(){
-    let done = Q.defer();
-    setTimeout(function(){
-        beautylog.log('largeTimeout fired');
-        done.resolve();
-    },2000);
-    return done.promise;
-};
 
 
+tap.test('should run through smoothly with ' + "'forEach'", async (tools) => {
+  let done = smartq.defer()
+  let counter = 0
+  gulp.src('./test/*.md')
+    .pipe(gulpFunction.forEach(async () => {
+      counter++
+      if (counter === 2) {
+        done.resolve()
+      }
+    }))
+  await done.promise
+})
 
-describe('gulpFunction',function(){
+tap.test('should run through smoothly with ' + "'forEach'", async (tools) => {
-    it('should run through smoothly with ' + "'forEach'",function(done){
+  let done = smartq.defer()
-        gulp.src('./test/*.md')
+  let counter = 0
-            .pipe(gulpFunction(myFunction,'forEach'))
+  gulp.src('./test/*.md')
-            .pipe(gulp.dest('./test/result/'));
+    .pipe(gulpFunction.atEnd(async () => {
-
+      console.log('atEnd')
-        gulp.src('./test/*.md')
+      done.resolve()
-            .pipe(gulpFunction([myFunction2,myFunction3],'forEach'))
+    }))
-            .pipe(gulp.dest('./test/result/'))
+  await done.promise
-            .pipe(gulpFunction(done,'atEnd'));
+})
-
-    });
-
-    it('should run through smoothly with ' + "'atEnd'",function(done){
-        gulp.src('./test/*.md')
-            .pipe(gulpFunction(myFunction,'atEnd'))
-            .pipe(gulp.dest('./test/result/'));
-
-        gulp.src('./test/*.md')
-            .pipe(gulpFunction([myFunction2,myFunction3],'atEnd'))
-            .pipe(gulp.dest('./test/result/'))
-            .pipe(gulpFunction(done,'atEnd'));
-    });
-
-    it('should run through smoothly once with ' + "'atFirst'",function(done){
-
-        gulp.src('./test/*.md')
-            .pipe(gulpFunction([myFunction2,myFunction3],'forFirst'))
-            .pipe(gulp.dest('./test/result/'))
-            .pipe(gulpFunction(done,'atEnd'));
-    });
-
-    it('should run in order',function(done){
-        this.timeout(5000);
-        let stream = gulp.src('./test/*.md')
-            .pipe(gulpFunction([beforeFunction,middleFunction,middleFunction],'atEnd'))
-            .pipe(gulpFunction(function(){
-                beautylog.log('stream progressed');
-                let done2 = Q.defer();
-                done2.resolve();
-                return done2.promise;
-            },'forEach'))
-            .pipe(gulpFunction(function(){
-                beautylog.log('nextStep');
-            }))
-            .pipe(gulpFunction(afterFunction,'atEnd'))
-            .pipe(gulpFunction(timeoutFunction,'atEnd'));
-
-        stream.on('finish',function(){
-            beautylog.info('stream finished');
-            done();
-        });
-    });
-});
 
+tap.start()

ts/index.ts

@@ -1,77 +1,89 @@
 import 'typings-global'
-import * as q from 'q'
+import * as q from 'smartq'
 import * as through2 from 'through2'
 import { Transform } from 'stream'
 
 export type TExecutionMode = 'forEach' | 'forFirst' | 'atEnd'
 
 export interface IPromiseFunction {
-    (file?, enc?): PromiseLike<any>
+  (file?, enc?): PromiseLike<any>
 }
 
-let mainExportFunction = (
+let defaultExport = (
-    functionsToExecuteArg: IPromiseFunction | IPromiseFunction[],
+  functionsToExecuteArg: IPromiseFunction | IPromiseFunction[],
-    executionModeArg: TExecutionMode = 'forEach'
+  executionModeArg: TExecutionMode = 'forEach'
 ): Transform => {
 
-    let promiseArray = []
+  let promiseArray = []
-    let runFunction = function (functionArg, file, enc) {
+  let runFunction = function (functionArg, file, enc) {
-        let returnValue = functionArg(file, enc)
+    let returnValue = functionArg(file, enc)
-        if (typeof returnValue !== 'undefined' && typeof returnValue.then !== 'undefined') {
+    if (typeof returnValue !== 'undefined' && typeof returnValue.then !== 'undefined') {
-            promiseArray.push(returnValue)
+      promiseArray.push(returnValue)
-        }
     }
+  }
 
-    let checkAndRunFunction = function (file, enc) {
+  let checkAndRunFunction = function (file, enc) {
-        if (typeof functionsToExecuteArg === 'function') {
+    if (typeof functionsToExecuteArg === 'function') {
-            runFunction(functionsToExecuteArg, file, enc)
+      runFunction(functionsToExecuteArg, file, enc)
-        } else if (Array.isArray(functionsToExecuteArg)) {
+    } else if (Array.isArray(functionsToExecuteArg)) {
-            for (let anyFunction in functionsToExecuteArg) {
+      for (let anyFunction in functionsToExecuteArg) {
-                runFunction(functionsToExecuteArg[anyFunction], file, enc)
+        runFunction(functionsToExecuteArg[ anyFunction ], file, enc)
-            }
+      }
-        } else {
+    } else {
-            throw new Error('gulp-callfunction: something is strange with the given arguments')
+      throw new Error('gulp-callfunction: something is strange with the given arguments')
-        }
-        return q.all(promiseArray)
     }
+    return Promise.all(promiseArray)
+  }
 
-    let hasExecutedOnce = false
+  let hasExecutedOnce = false
-    let forEach = function (file, enc, cb) { // the forEach function is called for every chunk
+  let forEach = function (file, enc, cb) { // the forEach function is called for every chunk
-        switch (executionModeArg) {
+    switch (executionModeArg) {
-            case 'forEach':
+      case 'forEach':
-                checkAndRunFunction(file, enc).then(function () {
+        checkAndRunFunction(file, enc).then(function () {
-                    cb(null, file)
+          cb(null, file)
-                })
+        })
-                break
+        break
-            case 'forFirst':
+      case 'forFirst':
-                if (hasExecutedOnce) {
+        if (hasExecutedOnce) {
-                    checkAndRunFunction(file, enc)
+          checkAndRunFunction(file, enc)
-                        .then(function () {
+            .then(function () {
-                            cb(null, file)
+              cb(null, file)
-                        })
-                } else {
-                    cb(null, file)
-                }
-                hasExecutedOnce = true
-                break
-            case 'atEnd':
-                cb(null, file)
-                break
-            default:
-                break
-        }
-    }
-
-    let atEnd = function (cb) {
-        if (executionModeArg === 'atEnd') {
-            checkAndRunFunction(null, null).then(function () {
-                cb()
             })
         } else {
-            cb()
+          cb(null, file)
         }
+        hasExecutedOnce = true
+        break
+      case 'atEnd':
+        cb(null, file)
+        break
+      default:
+        break
     }
-    return through2.obj(forEach, atEnd)
+  }
+
+  let atEnd = function (cb) {
+    if (executionModeArg === 'atEnd') {
+      checkAndRunFunction(null, null).then(function () {
+        cb()
+      })
+    } else {
+      cb()
+    }
+  }
+  return through2.obj(forEach, atEnd)
 }
 
-export default mainExportFunction
+export let forEach = (funcArg: IPromiseFunction) => {
+  return defaultExport(funcArg, 'forEach')
+}
+
+export let forFirst = (funcArg: IPromiseFunction) => {
+  return defaultExport(funcArg, 'forFirst')
+}
+
+export let atEnd = (funcArg: IPromiseFunction) => {
+  return defaultExport(funcArg, 'atEnd')
+}
+
+export default defaultExport