Bug 1335768 - add linting to prevent regressions for inspector webpack workflow;r=gl

MozReview-Commit-ID: GkKK8V1MZ2e

--HG--
extra : rebase_source : 98bd646fc547d8a4b4dac88553225c09bdd79f01

devtools/client/inspector/.eslintrc.js

@@ -10,6 +10,17 @@ module.exports = {
     // code. Some files in the inspector disable this rule still. The
     // goal is to enable the rule globally on all files.
     /* eslint-disable max-len */
-    "mozilla/reject-some-requires": ["error", "^(chrome|chrome:.*|resource:.*|devtools/server/.*|.*\\.jsm|devtools/shared/platform/(chome|content)/.*)$"],
+    "mozilla/reject-some-requires": ["error",
+      "^(chrome|chrome:.*|resource:.*|devtools/server/.*|.*\\.jsm|devtools/shared/platform/(chome|content)/.*)$"],
+
+    // The webpack bundle does not support trailing commas in functions, so disabled it
+    // explicitly with linting here.
+    "comma-dangle": ["error", {
+      "arrays": "ignore",
+      "objects": "ignore",
+      "imports": "ignore",
+      "exports": "ignore",
+      "functions": "never",
+    }]
   },
 };

devtools/client/inspector/layout/components/BoxModel.js

@@ -54,8 +54,7 @@ module.exports = createClass({
           boxModel,
         })
         :
-        null,
+        null
     );
   },
-
 });

devtools/client/inspector/layout/components/BoxModelProperties.js

@@ -65,15 +65,15 @@ module.exports = createClass({
             className: "boxmodel-properties-expander theme-twisty",
             open: this.state.isOpen,
             onClick: this.onToggleExpander,
-          },
+          }
         ),
         dom.span(
           {
             className: "boxmodel-properties-label",
             title: BOXMODEL_L10N.getStr("boxmodel.propertiesLabel"),
           },
-          BOXMODEL_L10N.getStr("boxmodel.propertiesLabel"),
-        ),
+          BOXMODEL_L10N.getStr("boxmodel.propertiesLabel")
+        )
       ),
       dom.div(
         {
@@ -81,8 +81,8 @@ module.exports = createClass({
           hidden: !this.state.isOpen,
           tabIndex: 0,
         },
-        properties,
-      ),
+        properties
+      )
     );
   },