chore!: Only allow js variants for .gulp config files (#261)

README.md

@@ -91,15 +91,15 @@ Add `gulp --completion=fish | source` to `~/.config/fish/config.fish`.
 
 ## Compilers
 
-You can find a list of supported languages at https://github.com/gulpjs/interpret. If you would like to add support for a new language, send pull requests/open issues on that project.
+You can find a list of supported JavaScript variant languages in [Interpret][interpret-js-variants]. If you would like to add support for a new language, send pull requests/open issues on that project.
 
 ## Environment
 
 The CLI adds `process.env.INIT_CWD` which is the original cwd it was launched from.
 
 ## Configuration
 
-Configuration is supported through the use of a `.gulp.*` file (e.g. `.gulp.json`, `.gulp.yml`). You can find a list of supported languages at https://github.com/gulpjs/interpret.
+Configuration is supported through the use of a `.gulp.*` file (e.g. `.gulp.js`, `.gulp.ts`). You can find a list of supported JavaScript variant languages in [Interpret][interpret-js-variants].
 
 A configuration file from the current working directory (`cwd`) or above are selected before a configuration file from the home directory (`~`).
 
@@ -224,6 +224,9 @@ __Some flags only work with gulp 4 and will be ignored when invoked against gulp
 
 MIT
 
+<!-- prettier-ignore-start -->
+[interpret-js-variants]: https://github.com/gulpjs/interpret#jsvariants
+<!-- prettier-ignore-end -->
 
 <!-- prettier-ignore-start -->
 [downloads-image]: https://img.shields.io/npm/dm/gulp-cli.svg?style=flat-square

index.js

@@ -38,13 +38,13 @@ var cli = new Liftoff({
     {
       name: '.gulp',
       path: '.',
-      extensions: interpret.extensions,
+      extensions: interpret.jsVariants,
       findUp: true,
     },
     {
       name: '.gulp',
       path: '~',
-      extensions: interpret.extensions,
+      extensions: interpret.jsVariants,
     },
   ],
 });

test/fixtures/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  description: "gulp-cli/test/fixtures"
+};

test/fixtures/config/flags/continue/f/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    continue: false
+  }
+};

test/fixtures/config/flags/continue/t/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    continue: true
+  }
+};

test/fixtures/config/flags/gulpfile/autoload-fail/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  gulpfile: "./other_dir/gulpfile.coffee"
+};

test/fixtures/config/flags/gulpfile/autoload/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  gulpfile: "other_folder/gulpfile-exports.babel.js"
+};

test/fixtures/config/flags/gulpfile/cwd/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  gulpfile: "../is/here/gulpfile-by-cwd-cfg.js"
+};

test/fixtures/config/flags/gulpfile/override-by-cliflag/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  gulpfile: "../cwd/gulpfile.js"
+};

test/fixtures/config/flags/gulpfile/prj/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  gulpfile: "../is/here/gulpfile-by-prj-cfg.js"
+};

test/fixtures/config/flags/logLevel/L/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    logLevel: 1
+  }
+}

test/fixtures/config/flags/logLevel/LL/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    logLevel: 2
+  }
+};

test/fixtures/config/flags/logLevel/LLL/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    logLevel: 3
+  }
+};

test/fixtures/config/flags/nodeFlags/array/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  nodeFlags: ["--lazy", "--trace-deprecation"]
+}

test/fixtures/config/flags/preload/array/.gulp.json → test/fixtures/config/flags/preload/array/.gulp.js

@@ -1,6 +1,6 @@
-{
-  "preload": [
+module.exports = {
+  preload: [
     "./preload_one",
     "./preload_two"
   ]
-}
+};

test/fixtures/config/flags/preload/join-flags/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  preload: [
+    "./preload_two"
+  ]
+};

test/fixtures/config/flags/preload/string/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  preload: "./preload"
+};

test/fixtures/config/flags/preload/with-cwd/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  preload: "../preload"
+};

test/fixtures/config/flags/series/f/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    series: false
+  }
+};

test/fixtures/config/flags/series/t/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    series: true
+  }
+};

test/fixtures/config/flags/silent/f/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    silent: false
+  }
+};

test/fixtures/config/flags/silent/t/.gulp.js

@@ -0,0 +1,5 @@
+module.exports = {
+  flags: {
+    silent: true
+  }
+};

test/fixtures/config/flags/sortTasks/f/.gulp.js

@@ -0,0 +1,6 @@
+module.exports = {
+  gulpfile: "../../../../gulpfiles/gulpfile-4.js",
+  flags: {
+    sortTasks: false
+  }
+};

test/fixtures/config/flags/sortTasks/t/.gulp.js

@@ -0,0 +1,6 @@
+module.exports = {
+  gulpfile: "../../../../gulpfiles/gulpfile-4.js",
+  flags: {
+    sortTasks: true
+  }
+};

test/fixtures/config/flags/tasksDepth/.gulp.js

@@ -0,0 +1,6 @@
+module.exports = {
+  gulpfile: "../../../gulpfiles/gulpfile-4.js",
+  flags: {
+    tasksDepth: 4
+  }
+};

test/fixtures/config/foo/bar/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  description: "Description by .gulp.json in directory foo/bar"
+};

test/fixtures/gulpfiles/.gulp.js

@@ -0,0 +1,3 @@
+module.exports = {
+  description: "gulp-cli/test/fixtures/gulpfiles"
+};