Merge branch 'development' into fixOrderValidation

* development: (51 commits)
  [instant] Viewport specific errors (#1228)
  Added more comments
  Include wholeNumberSchema in sra-spec schemas
  chore(instant): fix linter
  Fix isNode
  fix(instant): update buy quote at start up in the case of default amount
  chore(instant): increase max bundle size for bundle watch
  Small code review tweaks
  fix: apply css reset to overlay as well
  fix(website): turn off production flag when building locally
  feat(instant): add Account to the ProviderState
  feat(instant): fallback to an empty wallet provider when none is injected
  [order_utils.py] is_signature_valid, via Exchange contract (#1216)
  chore: linter
  fix: progress bar
  fix: use fontSize prop in button
  feat: make instant resistant to external styles
  chore(instant): update OrderState enum to follow capitalization conventions
  feat: add faux externall css file
  Take out unneeded conditionals
  ...

1 files changed, 23 insertions, 0 deletions

diff --git a/packages/utils/src/configured_bignumber.ts b/packages/utils/src/configured_bignumber.ts
index 2b22b6938..34b57d303 100644
--- a/packages/utils/src/configured_bignumber.ts
+++ b/packages/utils/src/configured_bignumber.ts
@@ -11,4 +11,27 @@ BigNumber.config({
     DECIMAL_PLACES: 78,
 });
 
+// Set a debug print function for NodeJS
+// Upstream issue: https://github.com/MikeMcl/bignumber.js/issues/188
+import isNode = require('detect-node');
+if (isNode) {
+    // Dynamically load a NodeJS specific module.
+    // Typescript requires all imports to be global, so we need to use
+    // `const` here and disable the tslint warning.
+    // tslint:disable-next-line: no-var-requires
+    const util = require('util');
+
+    // Set a custom util.inspect function
+    // HACK: We add a function to the BigNumber class by assigning to the
+    //       prototype. The function name is a symbol provided by Node.
+    (BigNumber.prototype as any)[util.inspect.custom] = function(): string {
+        // HACK: When executed, `this` will refer to the BigNumber instance.
+        //       This is also why we need a function expression instead of an
+        //       arrow function, as the latter does not have a `this`.
+        // Return the readable string representation
+        // tslint:disable-next-line: no-invalid-this
+        return this.toString();
+    };
+}
+
 export { BigNumber };