feat(tasks): add lint tasks

adds lint tasks for js and ts using respectively eslint or tslint

lib/resources/tasks/lint.js

@@ -0,0 +1,10 @@
+import gulp from 'gulp';
+import eslint from 'gulp-eslint';
+import project from '../aurelia.json';
+
+export default function lint() {
+  return gulp.src([project.transpiler.source])
+    .pipe(eslint())
+    .pipe(eslint.format())
+    .pipe(eslint.failAfterError());
+}

lib/resources/tasks/lint.json

@@ -0,0 +1,6 @@
+{
+  "name": "lint",
+  "description": "Lint source files",
+  "flags": [
+  ]
+}

lib/resources/tasks/lint.ts

@@ -0,0 +1,11 @@
+import * as gulp from 'gulp';
+import tslint from 'gulp-tslint';
+import * as project from '../aurelia.json';
+
+export default function lint() {
+  return gulp.src([project.transpiler.source])
+    .pipe(tslint({
+      tslint: require("tslint")
+    }))
+    .pipe(tslint.report("prose"));
+}