Added full JSX support to build pipeline

lib/tasks/assets/javascripts/lint.js

@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2016 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+import path from "path"
+import through from "through2"
+import util from "gulp-util"
+import { CLIEngine } from "eslint"
+
+/* ----------------------------------------------------------------------------
+ * Locals
+ * ------------------------------------------------------------------------- */
+
+const eslint = new CLIEngine
+const format = eslint.getFormatter()
+
+/* ----------------------------------------------------------------------------
+ * Task: lint SASS sources
+ * ------------------------------------------------------------------------- */
+
+export default (gulp, config) => {
+  return () => {
+    return gulp.src(`${config.assets.src}/javascripts/**/*.js`)
+
+      /* Linting */
+      .pipe(
+        through.obj(function(file, enc, cb) {
+          if (file.isNull() || file.isStream())
+            return cb()
+
+          /* Lint file using .eslintrc */
+          file.eslint = eslint.executeOnText(
+            file.contents.toString())
+
+          /* Correct file path */
+          file.eslint.results[0].filePath =
+            path.relative(process.cwd(), file.path)
+
+          /* Push file to next stage */
+          this.push(file)
+          cb()
+        }))
+
+      /* Print errors */
+      .pipe(
+        through.obj(function(file, enc, cb) {
+          if (file.eslint.errorCount || file.eslint.warningCount) {
+            // eslint-disable-next-line no-console
+            console.log(format(file.eslint.results))
+          }
+
+          /* Push file to next stage */
+          this.push(file)
+          cb()
+        }))
+
+      /* Terminate on error */
+      .pipe(
+        (() => {
+          const errors = []
+
+          /* Gather errors */
+          return through.obj(function(file, enc, cb) {
+            const results = file.eslint
+
+            /* Consider warnings as errors */
+            if (results.errorCount || results.warningCount)
+              errors.push(file)
+
+            /* Push file to next stage */
+            this.push(file)
+            cb()
+
+          /* Format errors and terminate */
+          }, function(cb) {
+            if (errors.length > 0) {
+              const message = errors.map(file => {
+                return file.relative
+              }).join(", ")
+
+              /* Emit error */
+              this.emit("error", new util.PluginError("eslint",
+                `Terminated with errors in files: ${message}`))
+            }
+            cb()
+          })
+        })())
+  }
+}