Merge branch 'development' into createWethPage

* development: (54 commits)
  Fix redundant spaces
  Fix tests
  Fix website unused vars
  Fix connect unused vars
  Fix 0x.js unused vars
  Dissallow unused vars/imports
  Implement first custom linter rule async-suffix
  Reuse intervalutils in website
  Add a newline
  Name a variable
  Add a comment
  Fix a conditional
  Make migrations deterministic
  Fix linter error
  Fix linter errors
  Add a function to init token balances
  Rename tokenUtils.getNonProtocolTokens to tokenUtils.getDummyTokens
  Add DummyToken to gitignore
  Add DummyToken to artifacts list
  Increase mocha timeout
  ...

1 files changed, 18 insertions, 0 deletions

diff --git a/packages/utils/src/class_utils.ts b/packages/utils/src/class_utils.ts
new file mode 100644
index 000000000..04e60ee57
--- /dev/null
+++ b/packages/utils/src/class_utils.ts
@@ -0,0 +1,18 @@
+import * as _ from 'lodash';
+
+export const classUtils = {
+    // This is useful for classes that have nested methods. Nested methods don't get bound out of the box.
+    bindAll(self: any, exclude: string[] = ['contructor'], thisArg?: any): void {
+        for (const key of Object.getOwnPropertyNames(self)) {
+            const val = self[key];
+            if (!_.includes(exclude, key)) {
+                if (_.isFunction(val)) {
+                    self[key] = val.bind(thisArg || self);
+                } else if (_.isObject(val)) {
+                    classUtils.bindAll(val, exclude, self);
+                }
+            }
+        }
+        return self;
+    },
+};