Types for gulp-tap (#31917)

* Types for "gulp-tap" added

* Types for "gulp-tap" added

* Requested changes applied

* Requested changes applied

types/gulp-tap/gulp-tap-tests.ts

@@ -0,0 +1,11 @@
+import gulpTap = require('gulp-tap');
+import gulp = require('gulp');
+import Vinyl = require('vinyl');
+
+gulp.task('testTask', () => {
+  return gulp.src(['src/*.html'])
+      .pipe(gulpTap((sourceFile: Vinyl) => {
+        console.log(sourceFile.path);
+      }))
+      .pipe(gulp.dest('dist/'));
+});

types/gulp-tap/index.d.ts

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+// Type definitions for gulp-tap 1.0
+// Project: https://github.com/geejs/gulp-tap
+// Definitions by: Takesi Tokugawa <https://github.com/TokugawaTakesi>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+import Vinyl = require('vinyl');
+
+declare namespace tap {
+    interface Tap {
+        (tapFunction: TapFunction, t?: any): NodeJS.ReadWriteStream;
+    }
+
+    interface TapFunction {
+        (file: Vinyl): any;
+    }
+}
+
+declare function tap(tapFunction: (file: Vinyl, t?: {}) => void): NodeJS.ReadWriteStream;
+
+export = tap;

types/gulp-tap/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "gulp-tap-tests.ts"
+    ]
+}

types/gulp-tap/tslint.json

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+{
+    "extends": "dtslint/dt.json"
+}