6 files changed, 10 insertions, 15 deletions
diff --git a/packages/react-docs/src/components/documentation.tsx b/packages/react-docs/src/components/documentation.tsx
index 2b021f04c..a4e6f4f6e 100644
--- a/packages/react-docs/src/components/documentation.tsx
+++ b/packages/react-docs/src/components/documentation.tsx
@@ -73,7 +73,7 @@ export class Documentation extends React.Component<DocumentationProps, Documenta
     public componentWillUnmount(): void {
         window.removeEventListener('hashchange', this._onHashChanged.bind(this), false);
     }
-    public componentDidUpdate(prevProps: DocumentationProps, prevState: DocumentationState): void {
+    public componentDidUpdate(prevProps: DocumentationProps, _prevState: DocumentationState): void {
         if (!_.isEqual(prevProps.docAgnosticFormat, this.props.docAgnosticFormat)) {
             const hash = window.location.hash.slice(1);
             sharedUtils.scrollToHash(hash, sharedConstants.SCROLL_CONTAINER_ID);
@@ -364,7 +364,7 @@ export class Documentation extends React.Component<DocumentationProps, Documenta
             />
         );
     }
-    private _onSidebarHover(event: React.FormEvent<HTMLInputElement>): void {
+    private _onSidebarHover(_event: React.FormEvent<HTMLInputElement>): void {
         this.setState({
             isHoveringSidebar: true,
         });
@@ -374,7 +374,7 @@ export class Documentation extends React.Component<DocumentationProps, Documenta
             isHoveringSidebar: false,
         });
     }
-    private _onHashChanged(event: any): void {
+    private _onHashChanged(_event: any): void {
         const hash = window.location.hash.slice(1);
         sharedUtils.scrollToHash(hash, sharedConstants.SCROLL_CONTAINER_ID);
     }
diff --git a/packages/react-docs/src/components/enum.tsx b/packages/react-docs/src/components/enum.tsx
index 536385d90..dee866790 100644
--- a/packages/react-docs/src/components/enum.tsx
+++ b/packages/react-docs/src/components/enum.tsx
@@ -8,7 +8,7 @@ export interface EnumProps {
 }
 
 export const Enum = (props: EnumProps) => {
-    const values = _.map(props.values, (value, i) => {
+    const values = _.map(props.values, value => {
         const defaultValueIfAny = !_.isUndefined(value.defaultValue) ? ` = ${value.defaultValue}` : '';
         return `\n\t${value.name}${defaultValueIfAny},`;
     });
diff --git a/packages/react-docs/src/components/type.tsx b/packages/react-docs/src/components/type.tsx
index caf0796ee..e453349ef 100644
--- a/packages/react-docs/src/components/type.tsx
+++ b/packages/react-docs/src/components/type.tsx
@@ -1,4 +1,5 @@
 import { colors, constants as sharedConstants, utils as sharedUtils } from '@0xproject/react-shared';
+import { errorUtils } from '@0xproject/utils';
 import * as _ from 'lodash';
 import * as React from 'react';
 import { Link as ScrollLink } from 'react-scroll';
@@ -6,7 +7,6 @@ import * as ReactTooltip from 'react-tooltip';
 
 import { DocsInfo } from '../docs_info';
 import { Type as TypeDef, TypeDefinitionByName, TypeDocTypes } from '../types';
-import { utils } from '../utils/utils';
 
 import { Signature } from './signature';
 import { TypeDefinition } from './type_definition';
@@ -129,7 +129,7 @@ export function Type(props: TypeProps): any {
             break;
 
         default:
-            throw utils.spawnSwitchErr('type.typeDocType', type.typeDocType);
+            throw errorUtils.spawnSwitchErr('type.typeDocType', type.typeDocType);
     }
     // HACK: Normalize BigNumber to simply BigNumber. For some reason the type
     // name is unpredictably one or the other.
diff --git a/packages/react-docs/src/components/type_definition.tsx b/packages/react-docs/src/components/type_definition.tsx
index fdaad556b..c4bd7359a 100644
--- a/packages/react-docs/src/components/type_definition.tsx
+++ b/packages/react-docs/src/components/type_definition.tsx
@@ -1,11 +1,11 @@
 import { AnchorTitle, colors, HeaderSizes } from '@0xproject/react-shared';
+import { errorUtils } from '@0xproject/utils';
 import * as _ from 'lodash';
 import * as React from 'react';
 
 import { DocsInfo } from '../docs_info';
 import { CustomType, CustomTypeChild, KindString, TypeDocTypes } from '../types';
 import { constants } from '../utils/constants';
-import { utils } from '../utils/utils';
 
 import { Comment } from './comment';
 import { CustomEnum } from './custom_enum';
@@ -96,7 +96,7 @@ export class TypeDefinition extends React.Component<TypeDefinitionProps, TypeDef
                 break;
 
             default:
-                throw utils.spawnSwitchErr('type.kindString', customType.kindString);
+                throw errorUtils.spawnSwitchErr('type.kindString', customType.kindString);
         }
 
         const typeDefinitionAnchorId = `${this.props.sectionName}-${customType.name}`;
diff --git a/packages/react-docs/src/utils/typedoc_utils.ts b/packages/react-docs/src/utils/typedoc_utils.ts
index 5a672f10f..5633d9040 100644
--- a/packages/react-docs/src/utils/typedoc_utils.ts
+++ b/packages/react-docs/src/utils/typedoc_utils.ts
@@ -1,3 +1,4 @@
+import { errorUtils } from '@0xproject/utils';
 import * as _ from 'lodash';
 
 import { DocsInfo } from '../docs_info';
@@ -19,7 +20,6 @@ import {
     TypescriptFunction,
     TypescriptMethod,
 } from '../types';
-import { utils } from '../utils/utils';
 
 export const typeDocUtils = {
     isType(entity: TypeDocNode): boolean {
@@ -197,7 +197,7 @@ export const typeDocUtils = {
                     break;
 
                 default:
-                    throw utils.spawnSwitchErr('kindString', entity.kindString);
+                    throw errorUtils.spawnSwitchErr('kindString', entity.kindString);
             }
         });
         return docSection;
diff --git a/packages/react-docs/src/utils/utils.ts b/packages/react-docs/src/utils/utils.ts
deleted file mode 100644
index e3dd1fc62..000000000
--- a/packages/react-docs/src/utils/utils.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export const utils = {
-    spawnSwitchErr(name: string, value: any): Error {
-        return new Error(`Unexpected switch value: ${value} encountered for ${name}`);
-    },
-};