diff --git a/.flowconfig b/.flowconfig
index 993483516..750e0d10e 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -6,4 +6,8 @@
 [libs]
 ./node_modules/@polkadot/dev/flow-typed
 
+[lints]
+all=warn
+
 [options]
+include_warnings=true
diff --git a/package.json b/package.json
index be390014c..ace7c3965 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util",
-  "version": "0.10.1",
+  "version": "0.11.0",
   "description": "A collection of useful utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -29,8 +29,8 @@
     "test": "jest --coverage"
   },
   "devDependencies": {
-    "@polkadot/api-jsonrpc": "^0.6.7",
-    "@polkadot/dev": "^0.13.5"
+    "@polkadot/api-jsonrpc": "^0.6.8",
+    "@polkadot/dev": "^0.14.5"
   },
   "dependencies": {
     "babel-runtime": "^6.26.0",
diff --git a/src/array/filter.js b/src/array/filter.js
index 515319bd2..4d0801db5 100644
--- a/src/array/filter.js
+++ b/src/array/filter.js
@@ -1,13 +1,12 @@
 // ISC, Copyright 2017 Jaco Greeff
 // @flow
 
-const assert = require('../assert');
 const isNull = require('../is/null');
 const isUndefined = require('../is/undefined');
 
 /**
   @name arrayFilter
-  @signature arrayFilter (array: Array<any>, allowNulls: boolean = true): Array<any>
+  @signature arrayFilter (array: Array<mixed>, allowNulls: boolean = true): Array<mixed>
   @summary Filters undefined and (optionally) null values from an array
   @description
     Returns a new array with all `undefined` values removed. Optionally, when `allowNulls = false`, it removes the `null` values as well
@@ -17,9 +16,7 @@ const isUndefined = require('../is/undefined');
     arrayFilter([0, void 0, true, null, false, '']); // [0, true, null, false, '']
     arrayFilter([0, void 0, true, null, false, ''], false); // [0, true, false, '']
 */
-module.exports = function arrayFilter (array: Array<any>, allowNulls: boolean = true): Array<any> {
-  assert(Array.isArray(array), `Expected Array input value, received '${(array: any)}'`);
-
+module.exports = function arrayFilter (array: Array<mixed>, allowNulls: boolean = true): Array<mixed> {
   return array.filter((value) => {
     return !isUndefined(value) && (allowNulls || !isNull(value));
   });
diff --git a/src/array/filter.spec.js b/src/array/filter.spec.js
index bba60d5e3..43fcb6369 100644
--- a/src/array/filter.spec.js
+++ b/src/array/filter.spec.js
@@ -3,12 +3,6 @@
 const { arrayFilter } = require('./index');
 
 describe('filterArray', () => {
-  it('expects an array input', () => {
-    expect(
-      () => arrayFilter('notAnArray')
-    ).toThrow(/Expected Array input value/);
-  });
-
   it('filters arrays, removing undefined', () => {
     expect(
       arrayFilter([0, '', null, false, void 0, NaN])
diff --git a/src/assert.js b/src/assert.js
index f6a96f7d2..5d4623d80 100644
--- a/src/assert.js
+++ b/src/assert.js
@@ -6,7 +6,7 @@ const isFunction = require('./is/function');
 
 /**
   @name assert
-  @signature assert (test: any, message: string | () => string, code: number = ExtError.CODES.ASSERT, data: any): void
+  @signature assert (test: mixed, message: string | () => string, code: number = ExtError.CODES.ASSERT, data: mixed): void
   @summary Checks for a valid test, if not ExtError is thrown.
   @description
     Checks that `test` is a truthy value. If value is falsy (`null`, `undefined`, `false`, ...), it throws an ExtError with the supplied `message` and an optional `code` and `data`. When `test` passes, `true` is returned.
@@ -17,14 +17,17 @@ const isFunction = require('./is/function');
     assert(false, 'False should not be true'); // ExtError thrown
     assert(false, () => 'message'); // ExtError with 'message'
 */
-module.exports = function assert (test: any, message: string | () => string, code: number = ExtError.CODES.ASSERT, data: any): boolean {
+module.exports = function assert (test: mixed, message: string | () => string, code: number = ExtError.CODES.ASSERT, data: mixed): boolean {
+  // flowlint-next-line sketchy-null:off
   if (test) {
     return true;
   }
 
   if (isFunction(message)) {
-    message = ((message: any): () => string)();
+    // $FlowFixMe we have a function here
+    message = message();
   }
 
-  throw new ExtError(((message: any): string), code, data);
+  // $FlowFixMe we have a string here
+  throw new ExtError(message, code, data);
 };
diff --git a/src/bn/toHex.js b/src/bn/toHex.js
index 5080f15d6..edadfab55 100644
--- a/src/bn/toHex.js
+++ b/src/bn/toHex.js
@@ -3,11 +3,9 @@
 
 const BN = require('bn.js');
 
-const assert = require('../assert');
 const hexAddPrefix = require('../hex/addPrefix');
-const isBN = require('../is/bn');
 
-const ZERO_STR = '0x';
+const ZERO_STR = '0x00';
 
 /**
   @name bnToHex
@@ -19,14 +17,12 @@ const ZERO_STR = '0x';
     import BN from 'bn.js';
     import { bnToHex } from '@polkadot/util';
 
-    console.log('Hex value', bnToHex(new BN(123456));
+    bnToHex(new BN(0x123456)); // => '0x123456'
 */
 module.exports = function bnToHex (value?: BN): string {
   if (!value) {
     return ZERO_STR;
   }
 
-  assert(isBN(value), `Cannot convert from non-BN value '${(value: any)}' to hex`);
-
   return hexAddPrefix(value.toString(16));
 };
diff --git a/src/bn/toHex.spec.js b/src/bn/toHex.spec.js
index cc639db32..1861038e3 100644
--- a/src/bn/toHex.spec.js
+++ b/src/bn/toHex.spec.js
@@ -11,15 +11,9 @@ describe('bnToHex', () => {
     ).toEqual('0x80');
   });
 
-  it('converts null values to 0x', () => {
+  it('converts null values to 0x00', () => {
     expect(
       bnToHex(null)
-    ).toEqual('0x');
-  });
-
-  it('throws when trying to convert non-BN values', () => {
-    expect(
-      () => bnToHex('notABn')
-    ).toThrow(/Cannot convert from non-BN/);
+    ).toEqual('0x00');
   });
 });
diff --git a/src/buffer/toHex.js b/src/buffer/toHex.js
index e56a564cd..512eb232e 100644
--- a/src/buffer/toHex.js
+++ b/src/buffer/toHex.js
@@ -1,11 +1,9 @@
 // ISC, Copyright 2017 Jaco Greeff
 // @flow
 
-const assert = require('../assert');
-const isBuffer = require('../is/buffer');
 const hexAddPrefix = require('../hex/addPrefix');
 
-const ZERO_HEX = '0x';
+const ZERO_HEX = '0x00';
 
 /**
   @name bufferToHex
@@ -16,15 +14,13 @@ const ZERO_HEX = '0x';
   @example
     import { bufferToHex } from '@polkadot/util';
 
-    console.log('Hex value', bufferToHex(Buffer.from([1, 2, 3]));
+    bufferToHex(Buffer.from([1, 2, 3]); // => 0x010203
 */
 module.exports = function bufferToHex (value?: Buffer): string {
   if (!value) {
     return ZERO_HEX;
   }
 
-  assert(isBuffer(value), `Cannot convert non-buffer to hex`);
-
   return hexAddPrefix(
     value.toString('hex')
   );
diff --git a/src/buffer/toHex.spec.js b/src/buffer/toHex.spec.js
index a00b93586..dea97fe1a 100644
--- a/src/buffer/toHex.spec.js
+++ b/src/buffer/toHex.spec.js
@@ -3,10 +3,10 @@
 const { bufferToHex } = require('./index');
 
 describe('bufferToHex', () => {
-  it('returns 0x when the buffer is null', () => {
+  it('returns 0x00 when the buffer is null', () => {
     expect(
       bufferToHex(null)
-    ).toEqual('0x');
+    ).toEqual('0x00');
   });
 
   it('returns the hex value for the buffer', () => {
@@ -14,10 +14,4 @@ describe('bufferToHex', () => {
       bufferToHex(Buffer.from([128, 0, 10]))
     ).toEqual('0x80000a');
   });
-
-  it('throws when non-buffer value is supplied', () => {
-    expect(
-      () => bufferToHex('noABuffer')
-    ).toThrow(/Cannot convert non-buffer/);
-  });
 });
diff --git a/src/buffer/toU8a.js b/src/buffer/toU8a.js
index 883e4d1b7..db73a352b 100644
--- a/src/buffer/toU8a.js
+++ b/src/buffer/toU8a.js
@@ -1,9 +1,6 @@
 // ISC, Copyright 2017 Jaco Greeff
 // @flow
 
-const assert = require('../assert');
-const isBuffer = require('../is/buffer');
-
 /**
   @name bufferToU8a
   @signature bufferToU8a (value?: Buffer): string
@@ -20,8 +17,6 @@ module.exports = function bufferToU8a (buffer?: Buffer): Uint8Array {
     return new Uint8Array([]);
   }
 
-  assert(isBuffer(buffer), 'Cannot convert non-buffer to Uint8Array');
-
   const array = new Uint8Array(buffer.length);
 
   for (let index = 0; index < buffer.length; ++index) {
diff --git a/src/buffer/toU8a.spec.js b/src/buffer/toU8a.spec.js
index ec33c7f8c..dfd569813 100644
--- a/src/buffer/toU8a.spec.js
+++ b/src/buffer/toU8a.spec.js
@@ -14,10 +14,4 @@ describe('bufferToU8a', () => {
       bufferToU8a(Buffer.from([128, 0, 10]))
     ).toEqual(new Uint8Array([128, 0, 10]));
   });
-
-  it('throws error on non-Buffer inputs', () => {
-    expect(
-      () => bufferToU8a('notBuffer')
-    ).toThrow(/Cannot convert non-/);
-  });
 });
diff --git a/src/ext/error.js b/src/ext/error.js
index ac4bcac7e..5cd5b7fbe 100644
--- a/src/ext/error.js
+++ b/src/ext/error.js
@@ -12,7 +12,7 @@ const UNKNOWN = -99999;
   @signature ExtError (message: string = '', code: number = UNKNOWN_ERROR, value: any)
   @summary Extension to the basic JS Error.
   @description
-    The built-in JavaScript Error class is extended by adding a code to allow for Error categorization. In addition to the normal `stack`, `message`, the numeric `code` and `data` (any types) parameters are available on the object.
+    The built-in JavaScript Error class is extended by adding a code to allow for Error categorization. In addition to the normal `stack`, `message`, the numeric `code` and `data` (mixed types) parameters are available on the object.
   @example
     const { ExtError } = require('@polkadot/util');
 
@@ -20,15 +20,15 @@ const UNKNOWN = -99999;
 */
 module.exports = class ExtError extends Error implements ExtErrorInterface {
   code: number;
-  data: any;
+  data: mixed;
   message: string;
   name: string;
   stack: string;
 
-  constructor (message: string = '', code: number = UNKNOWN, data: any) {
+  constructor (message: string = '', code: number = UNKNOWN, data: mixed) {
     super();
 
-    const extend = (name: string, value: any): void => {
+    const extend = (name: string, value: mixed): void => {
       Object.defineProperty(this, name, {
         configurable: true,
         enumerable: false,
diff --git a/src/hex/addPrefix.js b/src/hex/addPrefix.js
index 5644f2993..e6ecb3878 100644
--- a/src/hex/addPrefix.js
+++ b/src/hex/addPrefix.js
@@ -15,10 +15,12 @@ const hasPrefix = require('./hasPrefix');
     console.log('With prefix', hexAddPrefix('0a0b12')) // => 0x0a0b12
 */
 module.exports = function hexAddPrefix (value: ?string): string {
+  // flowlint-next-line sketchy-null-string:off
   if (value && hasPrefix(value)) {
     return value;
   }
 
+  // flowlint-next-line sketchy-null-string:off
   const prefix = value && value.length % 2 === 1
     ? '0'
     : '';
diff --git a/src/hex/fixLength.js b/src/hex/fixLength.js
index f4f326947..db7f2c47d 100644
--- a/src/hex/fixLength.js
+++ b/src/hex/fixLength.js
@@ -1,8 +1,6 @@
 // ISC, Copyright 2017 Jaco Greeff
 // @flow
 
-const assert = require('../assert');
-const isHex = require('../is/hex');
 const hexAddPrefix = require('./addPrefix');
 const hexStripPrefix = require('./stripPrefix');
 const { ZEROS_256 } = require('./constants');
@@ -21,8 +19,6 @@ const { ZEROS_256 } = require('./constants');
     console.log('fixed', hexFixLength('0x0012', 8)) // => 0x12
 */
 module.exports = function hexFixLength (value: string, bitLength: number = -1, withPadding: boolean = false): string {
-  assert(isHex(value), `Expected hex input value, found '${value}' instead`);
-
   const strLength = bitLength / 4;
   const hexLength = strLength + 2;
 
diff --git a/src/hex/fixLength.spec.js b/src/hex/fixLength.spec.js
index f082f20d1..bf174c560 100644
--- a/src/hex/fixLength.spec.js
+++ b/src/hex/fixLength.spec.js
@@ -3,12 +3,6 @@
 const { hexFixLength } = require('./index');
 
 describe('hexFixLength', () => {
-  it('throws an exception on non-hex inputs', () => {
-    expect(
-      () => hexFixLength('notAHex')
-    ).toThrow(/Expected hex input value/);
-  });
-
   it('returns bitLength === -1 as-is', () => {
     expect(
       hexFixLength('0x12345678')
diff --git a/src/hex/hasPrefix.js b/src/hex/hasPrefix.js
index 890b66b20..f6698d225 100644
--- a/src/hex/hasPrefix.js
+++ b/src/hex/hasPrefix.js
@@ -15,5 +15,6 @@ const isHex = require('../is/hex');
     console.log('has prefix', hexHasPrefix('0x1234')); // => true
 */
 module.exports = function hexHasPrefix (value: ?string): boolean {
+  // flowlint-next-line sketchy-null-string:off
   return !!(value && isHex(value) && value.substr(0, 2) === '0x');
 };
diff --git a/src/hex/stripPrefix.js b/src/hex/stripPrefix.js
index 216e3dd0d..96d73f60c 100644
--- a/src/hex/stripPrefix.js
+++ b/src/hex/stripPrefix.js
@@ -15,6 +15,7 @@ const hasPrefix = require('./hasPrefix');
     console.log('stripped', hexStripPrefix('0x1234')); // => 1234
 */
 module.exports = function hexStripPrefix (value: ?string): string {
+  // flowlint-next-line sketchy-null-string:off
   if (value && hasPrefix(value)) {
     return value.substr(2);
   }
diff --git a/src/hex/toBn.js b/src/hex/toBn.js
index a9773383d..137721c29 100644
--- a/src/hex/toBn.js
+++ b/src/hex/toBn.js
@@ -3,9 +3,7 @@
 
 const BN = require('bn.js');
 
-const assert = require('../assert');
 const hexStripPrefix = require('./stripPrefix');
-const isHex = require('../is/hex');
 
 const ZERO_BN = new BN(0);
 
@@ -18,14 +16,13 @@ const ZERO_BN = new BN(0);
   @example
     import { hexToBn } from '@polkadot/util';
 
-    console.log('BN object', hexToBn('0x123480001f'));
+    hexToBn('0x123480001f'); // => BN(0x123480001f)
 */
 module.exports = function hexToBn (value?: string): BN {
+  // flowlint-next-line sketchy-null-string:off
   if (!value) {
     return ZERO_BN;
   }
 
-  assert(isHex(value), `Cannot convert from non-hex value '${value}' to BN`);
-
   return new BN(hexStripPrefix(value), 16);
 };
diff --git a/src/hex/toBn.spec.js b/src/hex/toBn.spec.js
index 8ea197b3b..dfa3a361c 100644
--- a/src/hex/toBn.spec.js
+++ b/src/hex/toBn.spec.js
@@ -22,10 +22,4 @@ describe('hexToBn', () => {
       )
     ).toEqual(true);
   });
-
-  it('throws when trying to convert non-BN values', () => {
-    expect(
-      () => hexToBn('noAHex')
-    ).toThrow(/Cannot convert from non-hex/);
-  });
 });
diff --git a/src/hex/toBuffer.js b/src/hex/toBuffer.js
index 8a28f6f30..2f01f0296 100644
--- a/src/hex/toBuffer.js
+++ b/src/hex/toBuffer.js
@@ -1,8 +1,6 @@
 // ISC, Copyright 2017 Jaco Greeff
 // @flow
 
-const assert = require('../assert');
-const isHex = require('../is/hex');
 const hexStripPrefix = require('./stripPrefix');
 
 /**
@@ -14,14 +12,13 @@ const hexStripPrefix = require('./stripPrefix');
   @example
     import { hexToBuffer } from '@polkadot/util';
 
-    console.log('Buffer object', hexToBuffer('0x123480001f'));
+    hexToBuffer('0x123480001f'); // Buffer([0x12, 0x34, 0x80, 0x00, 0x1f])
 */
 module.exports = function hexToBuffer (value?: string): Buffer {
+  // flowlint-next-line sketchy-null-string:off
   if (!value) {
     return Buffer.from([]);
   }
 
-  assert(isHex(value), `Cannot convert non-hex value '${value}' to Buffer`);
-
   return Buffer.from(hexStripPrefix(value), 'hex');
 };
diff --git a/src/hex/toBuffer.spec.js b/src/hex/toBuffer.spec.js
index 0d6136a95..5ccfe8358 100644
--- a/src/hex/toBuffer.spec.js
+++ b/src/hex/toBuffer.spec.js
@@ -16,10 +16,4 @@ describe('hexToBuffer', () => {
       )
     ).toEqual(true);
   });
-
-  it('throws error on non-hex inputs', () => {
-    expect(
-      () => hexToBuffer('notAHex')
-    ).toThrow(/Cannot convert non-hex value/);
-  });
 });
diff --git a/src/hex/toNumber.js b/src/hex/toNumber.js
index 0594bff59..aa34135e9 100644
--- a/src/hex/toNumber.js
+++ b/src/hex/toNumber.js
@@ -6,7 +6,7 @@ const hexToBuffer = require('../hex/toBuffer');
 
 /**
   @name hexToNumber
-  @signature hexToNumber (value?: Hex): number
+  @signature hexToNumber (value?: string): number
   @summary Creates a Number value from a Buffer object.
   @description
     `null` inputs returns an NaN result, `hex` values return the actual value as a `Number`.
@@ -16,6 +16,7 @@ const hexToBuffer = require('../hex/toBuffer');
     hexToNumber('0x1234'); // => 0x1234
 */
 module.exports = function hexToNumber (value?: string): number {
+  // flowlint-next-line sketchy-null-string:off
   if (!value) {
     return NaN;
   }
diff --git a/src/is/bn.js b/src/is/bn.js
index 7873c3333..15a0eab9f 100644
--- a/src/is/bn.js
+++ b/src/is/bn.js
@@ -5,7 +5,7 @@ const BN = require('bn.js');
 
 /**
   @name isBN
-  @signature isBN (value: any): boolean
+  @signature isBN (value: mixed): boolean
   @summary Tests for a `BN` object instance.
   @description
     Checks to see if the input object is an instance of `BN` (bn.js).
@@ -15,6 +15,6 @@ const BN = require('bn.js');
 
     console.log('isBN', isBN(new BN(1))); // => true
 */
-module.exports = function isBN (value: any): boolean {
+module.exports = function isBN (value: mixed): boolean {
   return BN.isBN(value);
 };
diff --git a/src/is/boolean.js b/src/is/boolean.js
index 2394895c9..1a56bd08f 100644
--- a/src/is/boolean.js
+++ b/src/is/boolean.js
@@ -3,7 +3,7 @@
 
 /**
   @name isBoolean
-  @signature isBoolean (value: any): boolean
+  @signature isBoolean (value: mixed): boolean
   @summary Tests for a boolean value.
   @description
     Checks to see if the input value is a JavaScript boolean.
@@ -12,6 +12,6 @@
 
     isBoolean(false); // => true
 */
-module.exports = function isBoolean (value: any): boolean {
+module.exports = function isBoolean (value: mixed): boolean {
   return typeof value === 'boolean';
 };
diff --git a/src/is/buffer.js b/src/is/buffer.js
index 08841f351..48551f145 100644
--- a/src/is/buffer.js
+++ b/src/is/buffer.js
@@ -5,7 +5,7 @@ const isInstanceOf = require('./instanceOf');
 
 /**
   @name isBuffer
-  @signature isBuffer (value: any): boolean
+  @signature isBuffer (value: mixed): boolean
   @summary Tests for a `Buffer` object instance.
   @description
     Checks to see if the input object is an instance of `Buffer`.
@@ -14,6 +14,6 @@ const isInstanceOf = require('./instanceOf');
 
     console.log('isBuffer', isBuffer(Buffer.from([]))); // => true
 */
-module.exports = function isBuffer (value: any): boolean {
+module.exports = function isBuffer (value: mixed): boolean {
   return isInstanceOf(value, Buffer);
 };
diff --git a/src/is/error.js b/src/is/error.js
index 40c638c5f..12b697aed 100644
--- a/src/is/error.js
+++ b/src/is/error.js
@@ -5,7 +5,7 @@ const isInstanceOf = require('./instanceOf');
 
 /**
   @name isError
-  @signature isError (value: any): boolean
+  @signature isError (value: mixed): boolean
   @summary Tests for a `Error` object instance.
   @description
     Checks to see if the input object is an instance of `Error`.
@@ -14,6 +14,6 @@ const isInstanceOf = require('./instanceOf');
 
     console.log('isError', isError(new Error('message'))); // => true
 */
-module.exports = function isError (value: any): boolean {
+module.exports = function isError (value: mixed): boolean {
   return isInstanceOf(value, Error);
 };
diff --git a/src/is/function.js b/src/is/function.js
index d1256a86c..257b5c978 100644
--- a/src/is/function.js
+++ b/src/is/function.js
@@ -3,7 +3,7 @@
 
 /**
   @name isFunction
-  @signature isFunction (value: any): boolean
+  @signature isFunction (value: mixed): boolean
   @summary Tests for a `function`.
   @description
     Checks to see if the input value is a JavaScript function.
@@ -12,6 +12,6 @@
 
     console.log('isFunction', isFunction(() => false)); // => true
 */
-module.exports = function isFunction (value: any): boolean {
+module.exports = function isFunction (value: mixed): boolean {
   return typeof value === 'function';
 };
diff --git a/src/is/hex.js b/src/is/hex.js
index f0e7b46f0..5f76e85d6 100644
--- a/src/is/hex.js
+++ b/src/is/hex.js
@@ -7,7 +7,7 @@ const HEX_REGEX = /^0x[a-fA-F0-9]+$/;
 
 /**
   @name isHex
-  @signature isHex (value: any, bitLength: number = -1): boolean
+  @signature isHex (value: string, bitLength: number = -1): boolean
   @summary Tests for a hex string.
   @description
     Checks to see if the input value is a `0x` prefixed hex string. Optionally (`bitLength` !== -1) checks to see if the bitLength is correct.
@@ -17,11 +17,11 @@ const HEX_REGEX = /^0x[a-fA-F0-9]+$/;
     isHex('0x1234'); // => true
     isHex('0x1234', 8); // => false
 */
-module.exports = function isHex (value: any, bitLength: number = -1): boolean {
+module.exports = function isHex (value: string, bitLength: number = -1): boolean {
   const isValidHex = isString(value) && HEX_REGEX.test(value);
 
   if (isValidHex && bitLength !== -1) {
-    return (value: string).length === 2 + bitLength / 4;
+    return value.length === (2 + bitLength / 4);
   }
 
   return isValidHex;
diff --git a/src/is/instanceOf.js b/src/is/instanceOf.js
index 54effecd0..eea3c2143 100644
--- a/src/is/instanceOf.js
+++ b/src/is/instanceOf.js
@@ -3,7 +3,7 @@
 
 /**
   @name isInstanceOf
-  @signature isInstanceOf (value: any, clazz: any): boolean
+  @signature isInstanceOf (value: mixed, clazz: Class<mixed>): boolean
   @summary Tests for a instance of a class.
   @description
     Checks to see if the input value is an instance of the test class.
@@ -12,6 +12,6 @@
 
     console.log('isInstanceOf', isInstanceOf(new Array(0), Array)); // => true
 */
-module.exports = function isInstanceOf (value: any, clazz: any): boolean {
+module.exports = function isInstanceOf (value: mixed, clazz: Class<mixed>): boolean {
   return value instanceof clazz;
 };
diff --git a/src/is/ip.js b/src/is/ip.js
index 370aa2ab8..fcb316bce 100644
--- a/src/is/ip.js
+++ b/src/is/ip.js
@@ -7,7 +7,7 @@ const ipRegex = require('ip-regex');
 
 /**
   @name isIp
-  @signature isIp (value: any, type?: 'v4' | 'v6'): boolean
+  @signature isIp (value: string, type?: 'v4' | 'v6'): boolean
   @summary Tests if the value is a valid IP address
   @description
     Checks to see if the value is a valid IP address. Optionally check for either v4/v6
@@ -19,7 +19,7 @@ const ipRegex = require('ip-regex');
     isIp('192.168.0.1', 'v6')); // => false
     isIp('1:2:3:4:5:6:7:8', 'v4'); // => false
 */
-module.exports = function isIp (value: any, type?: IpTypes): boolean {
+module.exports = function isIp (value: string, type?: IpTypes): boolean {
   if (type === 'v4') {
     return ipRegex.v4({ exact: true }).test(value);
   } else if (type === 'v6') {
diff --git a/src/is/null.js b/src/is/null.js
index b66d66ca3..406f38dcb 100644
--- a/src/is/null.js
+++ b/src/is/null.js
@@ -3,7 +3,7 @@
 
 /**
   @name isNull
-  @signature isNull (value: any): boolean
+  @signature isNull (value: mixed): boolean
   @summary Tests for a `null` values.
   @description
     Checks to see if the input value is `null`.
@@ -12,6 +12,6 @@
 
     console.log('isNull', isNull(null)); // => true
 */
-module.exports = function isNull (value: any): boolean {
+module.exports = function isNull (value: mixed): boolean {
   return value === null;
 };
diff --git a/src/is/number.js b/src/is/number.js
index f38e5d9ee..ed25c4eef 100644
--- a/src/is/number.js
+++ b/src/is/number.js
@@ -3,7 +3,7 @@
 
 /**
   @name isNumber
-  @signature isNumber (value: any): boolean
+  @signature isNumber (value: mixed): boolean
   @summary Tests for a JavaScript number.
   @description
     Checks to see if the input value is a valid number.
@@ -12,6 +12,6 @@
 
     console.log('isNumber', isNumber(1234)); // => true
 */
-module.exports = function isNumber (value: any): boolean {
+module.exports = function isNumber (value: mixed): boolean {
   return typeof value === 'number';
 };
diff --git a/src/is/object.js b/src/is/object.js
index 6d180e8b1..d00caa03e 100644
--- a/src/is/object.js
+++ b/src/is/object.js
@@ -3,7 +3,7 @@
 
 /**
   @name isObject
-  @signature isObject (value: any): boolean
+  @signature isObject (value: mixed): boolean
   @summary Tests for an `object`.
   @description
     Checks to see if the input value is a JavaScript object.
@@ -13,6 +13,6 @@
     isObject({}); // => true
     isObject('something'); // => false
 */
-module.exports = function isObject (value: any): boolean {
+module.exports = function isObject (value: mixed): boolean {
   return typeof value === 'object';
 };
diff --git a/src/is/string.js b/src/is/string.js
index 08e46f002..e2f750832 100644
--- a/src/is/string.js
+++ b/src/is/string.js
@@ -3,7 +3,7 @@
 
 /**
   @name isString
-  @signature isString (value: any): boolean
+  @signature isString (value: mixed): boolean
   @summary Tests for a string.
   @description
     Checks to see if the input value is a JavaScript string.
@@ -12,6 +12,6 @@
 
     console.log('isString', isString('test')); // => true
 */
-module.exports = function isString (value: any): boolean {
+module.exports = function isString (value: mixed): boolean {
   return typeof value === 'string';
 };
diff --git a/src/is/uint8Array.js b/src/is/uint8Array.js
index 6106e7512..70ad423e9 100644
--- a/src/is/uint8Array.js
+++ b/src/is/uint8Array.js
@@ -5,7 +5,7 @@ const isInstanceOf = require('./instanceOf');
 
 /**
   @name isUint8Array
-  @signature isUint8Array (value: any): boolean
+  @signature isUint8Array (value: mixed): boolean
   @summary Tests for a `Uint8Array` object instance.
   @description
     Checks to see if the input object is an instance of `Uint8Array`.
@@ -14,6 +14,6 @@ const isInstanceOf = require('./instanceOf');
 
     console.log('isUint8Array', isUint8Array([])); // => false
 */
-module.exports = function isUint8Array (value: any): boolean {
+module.exports = function isUint8Array (value: mixed): boolean {
   return isInstanceOf(value, Uint8Array);
 };
diff --git a/src/is/undefined.js b/src/is/undefined.js
index ec0778732..cd0b8cf81 100644
--- a/src/is/undefined.js
+++ b/src/is/undefined.js
@@ -3,7 +3,7 @@
 
 /**
   @name isUndefined
-  @signature isUndefined (value: any): boolean
+  @signature isUndefined (value: mixed): boolean
   @summary Tests for a `undefined` values.
   @description
     Checks to see if the input value is `undefined`.
@@ -12,6 +12,6 @@
 
     console.log('isUndefined', isUndefined(void(0))); // => true
 */
-module.exports = function isUndefined (value: any): boolean {
+module.exports = function isUndefined (value: mixed): boolean {
   return typeof value === 'undefined';
 };
diff --git a/src/jsonrpc/signature.js b/src/jsonrpc/signature.js
index 8b3530b17..0af0927d0 100644
--- a/src/jsonrpc/signature.js
+++ b/src/jsonrpc/signature.js
@@ -4,8 +4,10 @@
 import type { InterfaceInputType, InterfaceOutputType } from '@polkadot/api-jsonrpc/types';
 
 function formatParam (param: InterfaceInputType | InterfaceOutputType): string {
+  // flowlint-next-line sketchy-null-mixed:off,sketchy-null-string:off
   return param.name
-    ? `${((param.name: any): string)}: ${param.type}`
+    // $FlowFixMe InterfaceInputType found, has name
+    ? `${param.name}: ${param.type}`
     : param.type;
 }
 
diff --git a/src/logger.js b/src/logger.js
index c19e05906..1c49d0bdf 100644
--- a/src/logger.js
+++ b/src/logger.js
@@ -2,14 +2,14 @@
 // @flow
 
 type Logger = {
-  error: (...values: Array<any>) => void,
-  log: (...values: Array<any>) => void,
-  warn: (...values: Array<any>) => void
+  error: (...values: Array<mixed>) => void,
+  log: (...values: Array<mixed>) => void,
+  warn: (...values: Array<mixed>) => void
 };
 
 type LogType = 'error' | 'log' | 'warn';
 
-function apply (log: LogType, type: string, values: Array<any>): void {
+function apply (log: LogType, type: string, values: Array<mixed>): void {
   console[log].apply(console, [new Date().toString(), type].concat(values));
 }
 
@@ -28,8 +28,8 @@ module.exports = function logger (_type: string): Logger {
   const type = `               ${_type.toUpperCase()}:`.slice(-16);
 
   return {
-    error: (...values: Array<any>): void => apply('error', type, values),
-    log: (...values: Array<any>): void => apply('log', type, values),
-    warn: (...values: Array<any>): void => apply('warn', type, values)
+    error: (...values: Array<mixed>): void => apply('error', type, values),
+    log: (...values: Array<mixed>): void => apply('log', type, values),
+    warn: (...values: Array<mixed>): void => apply('warn', type, values)
   };
 };
diff --git a/src/promisify.js b/src/promisify.js
index c68b60f60..aa38ef62b 100644
--- a/src/promisify.js
+++ b/src/promisify.js
@@ -1,12 +1,9 @@
 // ISC, Copyright 2017 Jaco Greeff
 // @flow
 
-const assert = require('./assert');
-const isFunction = require('./is/function');
-
 /**
   @name promisify
-  @signature function promisify (this: any, fn: Function, ...params: Array<any>): Promise<any>
+  @signature function promisify (this: ?Object, fn: Function, ...params: Array<mixed>): Promise<mixed>
   @summary Wraps an async callback into a `Promise`
   @description
     Wraps the supplied async function `fn` that has a standard JS callback `(error: Error, result: any)` into a `Promise`, passing the supplied parameters. When `error` is set, the Promise is rejected, else the Promise resolves with the `result` value.
@@ -16,12 +13,11 @@ const isFunction = require('./is/function');
     await promisify(null, ((a, cb) => cb(null, a), true); // resolves with `true`
     await promisify(null, (cb) => cb(new Error('error!'))); // rejects with `error!`
 */
-module.exports = function promisify (self: any, fn: Function, ...params: Array<any>): Promise<any> {
-  assert(isFunction(fn), 'Expected function input to promisify');
-
+// flowlint-next-line unclear-type:off
+module.exports = function promisify (self: ?Object, fn: Function, ...params: Array<mixed>): Promise<mixed> {
   return new Promise((resolve, reject) => {
-    fn.apply(self, [].concat(params, [
-      (error: Error, result: any): void => {
+    fn.apply(self, params.concat([
+      (error: ?Error, result: mixed): void => {
         if (error) {
           reject(error);
         } else {
diff --git a/src/promisify.spec.js b/src/promisify.spec.js
index 9f2fb6a8b..63f11e15d 100644
--- a/src/promisify.spec.js
+++ b/src/promisify.spec.js
@@ -3,12 +3,6 @@
 const { promisify } = require('./index');
 
 describe('promisify', () => {
-  it('requires a function to promisify', () => {
-    expect(
-      () => promisify()
-    ).toThrow(/Expected function input/);
-  });
-
   it('handles functions with no parameters (resolve)', () => {
     const fn = (cb) => cb(null, [true, 'test', 1]);
 
diff --git a/src/string/shorten.js b/src/string/shorten.js
index 466be4509..3263ce337 100644
--- a/src/string/shorten.js
+++ b/src/string/shorten.js
@@ -3,7 +3,7 @@
 
 /**
   @name stringShorten
-  @signature stringShorten (value: any, prefixLength: number = 8): string
+  @signature stringShorten (value: mixed, prefixLength: number = 8): string
   @summary Returns a string with maximum length
   @description
     Checks the string against the `prefixLength`, if longer than dopuble this, shortens it by placing `..` in the middle of it
@@ -12,7 +12,8 @@
 
     stringShorten('1234567890', 2); // => 12..90
 */
-module.exports = function stringShorten (_value: any, prefixLength: number = 6): string {
+module.exports = function stringShorten (_value: mixed, prefixLength: number = 6): string {
+  // $FlowFixMe coerced into string (by any means)
   const value = `${_value}`;
 
   if (value.length <= 2 + 2 * prefixLength) {
diff --git a/src/types.js b/src/types.js
index c66d976dc..f9524b621 100644
--- a/src/types.js
+++ b/src/types.js
@@ -3,7 +3,7 @@
 
 export interface ExtErrorInterface {
   code: number;
-  data: any;
+  data: mixed;
   message: string;
   stack: string;
 }
diff --git a/src/u8a/toBuffer.js b/src/u8a/toBuffer.js
index ae3b41935..4266b1052 100644
--- a/src/u8a/toBuffer.js
+++ b/src/u8a/toBuffer.js
@@ -1,9 +1,6 @@
 // ISC, Copyright 2017 Jaco Greeff
 // @flow
 
-const assert = require('../assert');
-const isUint8Array = require('../is/uint8Array');
-
 /**
   @name u8aToBuffer
   @signature u8aToBuffer (value?: UInt8Array): Buffer
@@ -20,7 +17,5 @@ module.exports = function u8aToBuffer (value?: Uint8Array): Buffer {
     return Buffer.from([]);
   }
 
-  assert(isUint8Array(value), 'Cannot convert non-Uint8Array value to Buffer');
-
   return Buffer.from(value);
 };
diff --git a/src/u8a/toBuffer.spec.js b/src/u8a/toBuffer.spec.js
index dcf037b3b..47778dadc 100644
--- a/src/u8a/toBuffer.spec.js
+++ b/src/u8a/toBuffer.spec.js
@@ -14,10 +14,4 @@ describe('u8aToBuffer', () => {
       u8aToBuffer(new Uint8Array([128, 0, 10]))
     ).toEqual(Buffer.from([128, 0, 10]));
   });
-
-  it('throws when non-Uint8Array value is supplied', () => {
-    expect(
-      () => u8aToBuffer('noU8A')
-    ).toThrow(/Cannot convert non-Uint8Array/);
-  });
 });
diff --git a/yarn.lock b/yarn.lock
index 981a3f086..a177a6548 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,71 +2,80 @@
 # yarn lockfile v1
 
 
-"@babel/code-frame@7.0.0-beta.32", "@babel/code-frame@^7.0.0-beta.31":
-  version "7.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.32.tgz#04f231b8ec70370df830d9926ce0f5add074ec4c"
+"@babel/code-frame@7.0.0-beta.31":
+  version "7.0.0-beta.31"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.31.tgz#473d021ecc573a2cce1c07d5b509d5215f46ba35"
   dependencies:
     chalk "^2.0.0"
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-"@babel/helper-function-name@7.0.0-beta.32":
-  version "7.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.32.tgz#6161af4419f1b4e3ed2d28c0c79c160e218be1f3"
+"@babel/code-frame@^7.0.0-beta.35":
+  version "7.0.0-beta.36"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.36.tgz#2349d7ec04b3a06945ae173280ef8579b63728e4"
   dependencies:
-    "@babel/helper-get-function-arity" "7.0.0-beta.32"
-    "@babel/template" "7.0.0-beta.32"
-    "@babel/types" "7.0.0-beta.32"
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^3.0.0"
 
-"@babel/helper-get-function-arity@7.0.0-beta.32":
-  version "7.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.32.tgz#93721a99db3757de575a83bab7c453299abca568"
+"@babel/helper-function-name@7.0.0-beta.31":
+  version "7.0.0-beta.31"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.31.tgz#afe63ad799209989348b1109b44feb66aa245f57"
   dependencies:
-    "@babel/types" "7.0.0-beta.32"
+    "@babel/helper-get-function-arity" "7.0.0-beta.31"
+    "@babel/template" "7.0.0-beta.31"
+    "@babel/traverse" "7.0.0-beta.31"
+    "@babel/types" "7.0.0-beta.31"
 
-"@babel/template@7.0.0-beta.32":
-  version "7.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.32.tgz#e1d9fdbd2a7bcf128f2f920744a67dab18072495"
+"@babel/helper-get-function-arity@7.0.0-beta.31":
+  version "7.0.0-beta.31"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.31.tgz#1176d79252741218e0aec872ada07efb2b37a493"
   dependencies:
-    "@babel/code-frame" "7.0.0-beta.32"
-    "@babel/types" "7.0.0-beta.32"
-    babylon "7.0.0-beta.32"
+    "@babel/types" "7.0.0-beta.31"
+
+"@babel/template@7.0.0-beta.31":
+  version "7.0.0-beta.31"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.31.tgz#577bb29389f6c497c3e7d014617e7d6713f68bda"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.31"
+    "@babel/types" "7.0.0-beta.31"
+    babylon "7.0.0-beta.31"
     lodash "^4.2.0"
 
-"@babel/traverse@^7.0.0-beta.31":
-  version "7.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.32.tgz#b78b754c6e1af3360626183738e4c7a05951bc99"
+"@babel/traverse@7.0.0-beta.31":
+  version "7.0.0-beta.31"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.31.tgz#db399499ad74aefda014f0c10321ab255134b1df"
   dependencies:
-    "@babel/code-frame" "7.0.0-beta.32"
-    "@babel/helper-function-name" "7.0.0-beta.32"
-    "@babel/types" "7.0.0-beta.32"
-    babylon "7.0.0-beta.32"
+    "@babel/code-frame" "7.0.0-beta.31"
+    "@babel/helper-function-name" "7.0.0-beta.31"
+    "@babel/types" "7.0.0-beta.31"
+    babylon "7.0.0-beta.31"
     debug "^3.0.1"
     globals "^10.0.0"
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-"@babel/types@7.0.0-beta.32", "@babel/types@^7.0.0-beta.31":
-  version "7.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.32.tgz#c317d0ecc89297b80bbcb2f50608e31f6452a5ff"
+"@babel/types@7.0.0-beta.31":
+  version "7.0.0-beta.31"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.31.tgz#42c9c86784f674c173fb21882ca9643334029de4"
   dependencies:
     esutils "^2.0.2"
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
-"@polkadot/api-jsonrpc@^0.6.7":
-  version "0.6.7"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-jsonrpc/-/api-jsonrpc-0.6.7.tgz#5be45086d4c1d5f396bbd5cbcc17dcb8663f709b"
+"@polkadot/api-jsonrpc@^0.6.8":
+  version "0.6.8"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-jsonrpc/-/api-jsonrpc-0.6.8.tgz#11a3557b527616ef30974ea1a53af859d57c9c5d"
   dependencies:
     babel-runtime "^6.26.0"
 
-"@polkadot/dev@^0.13.5":
-  version "0.13.5"
-  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.13.5.tgz#01dc2e720d5f9a4133a944fb42ae44623cd02880"
+"@polkadot/dev@^0.14.5":
+  version "0.14.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.14.5.tgz#28c8583dced8675d1b06ddb34b549da3c99d9cdc"
   dependencies:
     babel-cli "^6.26.0"
     babel-core "^6.26.0"
-    babel-eslint "^8.0.2"
+    babel-eslint "^8.1.2"
     babel-plugin-transform-class-properties "^6.24.1"
     babel-plugin-transform-flow-strip-types "^6.22.0"
     babel-plugin-transform-object-rest-spread "^6.26.0"
@@ -74,9 +83,9 @@
     babel-preset-env "^1.6.1"
     coveralls "^3.0.0"
     dox "^0.9.0"
-    eslint "^4.11.0"
-    eslint-config-semistandard "^11.0.0"
-    eslint-config-standard "^10.2.1"
+    eslint "^4.14.0"
+    eslint-config-semistandard "^12.0.0"
+    eslint-config-standard "^11.0.0-beta.0"
     eslint-config-standard-jsx "^4.0.2"
     eslint-config-standard-react "^5.0.0"
     eslint-plugin-flowtype "^2.39.1"
@@ -86,9 +95,9 @@
     eslint-plugin-promise "^3.6.0"
     eslint-plugin-react "^7.4.0"
     eslint-plugin-standard "^3.0.1"
-    flow-bin "^0.61.0"
+    flow-bin "^0.62.0"
     flow-copy-source "^1.2.1"
-    jest "^21.2.1"
+    jest "^22.0.0"
     makeshift "^1.1.0"
     mkdirp "^0.5.1"
     postcss "^6.0.14"
@@ -97,6 +106,10 @@
     stylelint "^8.2.0"
     stylelint-config-standard "^18.0.0"
 
+"@types/node@*":
+  version "8.5.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.5.2.tgz#83b8103fa9a2c2e83d78f701a9aa7c9539739aa5"
+
 abab@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
@@ -105,11 +118,11 @@ abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
 
-acorn-globals@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-3.1.0.tgz#fd8270f71fbb4996b004fa880ee5d46573a731bf"
+acorn-globals@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.1.0.tgz#ab716025dbe17c54d3ef81d32ece2b2d99fe2538"
   dependencies:
-    acorn "^4.0.4"
+    acorn "^5.0.0"
 
 acorn-jsx@^3.0.0:
   version "3.0.1"
@@ -121,9 +134,9 @@ acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
-acorn@^4.0.4:
-  version "4.0.13"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
+acorn@^5.0.0, acorn@^5.1.2:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.3.0.tgz#7446d39459c54fb49a80e6ee6478149b940ec822"
 
 acorn@^5.2.1:
   version "5.2.1"
@@ -374,14 +387,16 @@ babel-core@^6.0.0, babel-core@^6.26.0:
     slash "^1.0.0"
     source-map "^0.5.6"
 
-babel-eslint@^8.0.2:
-  version "8.0.2"
-  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.0.2.tgz#e44fb9a037d749486071d52d65312f5c20aa7530"
+babel-eslint@^8.1.2:
+  version "8.1.2"
+  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.1.2.tgz#a39230b0c20ecbaa19a35d5633bf9b9ca2c8116f"
   dependencies:
-    "@babel/code-frame" "^7.0.0-beta.31"
-    "@babel/traverse" "^7.0.0-beta.31"
-    "@babel/types" "^7.0.0-beta.31"
-    babylon "^7.0.0-beta.31"
+    "@babel/code-frame" "7.0.0-beta.31"
+    "@babel/traverse" "7.0.0-beta.31"
+    "@babel/types" "7.0.0-beta.31"
+    babylon "7.0.0-beta.31"
+    eslint-scope "~3.7.1"
+    eslint-visitor-keys "^1.0.0"
 
 babel-generator@^6.18.0, babel-generator@^6.26.0:
   version "6.26.0"
@@ -497,12 +512,12 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-21.2.0.tgz#2ce059519a9374a2c46f2455b6fbef5ad75d863e"
+babel-jest@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.0.4.tgz#533c46de37d7c9d7612f408c76314be9277e0c26"
   dependencies:
-    babel-plugin-istanbul "^4.0.0"
-    babel-preset-jest "^21.2.0"
+    babel-plugin-istanbul "^4.1.5"
+    babel-preset-jest "^22.0.3"
 
 babel-messages@^6.23.0:
   version "6.23.0"
@@ -516,7 +531,7 @@ babel-plugin-check-es2015-constants@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-istanbul@^4.0.0:
+babel-plugin-istanbul@^4.1.5:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
   dependencies:
@@ -524,9 +539,9 @@ babel-plugin-istanbul@^4.0.0:
     istanbul-lib-instrument "^1.7.5"
     test-exclude "^4.1.1"
 
-babel-plugin-jest-hoist@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-21.2.0.tgz#2cef637259bd4b628a6cace039de5fcd14dbb006"
+babel-plugin-jest-hoist@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.0.3.tgz#62cde5fe962fd41ae89c119f481ca5cd7dd48bb4"
 
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
@@ -821,11 +836,11 @@ babel-preset-env@^1.6.1:
     invariant "^2.2.2"
     semver "^5.3.0"
 
-babel-preset-jest@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-21.2.0.tgz#ff9d2bce08abd98e8a36d9a8a5189b9173b85638"
+babel-preset-jest@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.0.3.tgz#e2bb6f6b4a509d3ea0931f013db78c5a84856693"
   dependencies:
-    babel-plugin-jest-hoist "^21.2.0"
+    babel-plugin-jest-hoist "^22.0.3"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
 babel-register@^6.26.0:
@@ -880,9 +895,9 @@ babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26
     lodash "^4.17.4"
     to-fast-properties "^1.0.3"
 
-babylon@7.0.0-beta.32, babylon@^7.0.0-beta.31:
-  version "7.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.32.tgz#e9033cb077f64d6895f4125968b37dc0a8c3bc6e"
+babylon@7.0.0-beta.31:
+  version "7.0.0-beta.31"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.31.tgz#7ec10f81e0e456fd0f855ad60fa30c2ac454283f"
 
 babylon@^6.18.0:
   version "6.18.0"
@@ -963,6 +978,10 @@ braces@^1.8.2:
     preserve "^0.2.0"
     repeat-element "^1.1.2"
 
+browser-process-hrtime@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz#425d68a58d3447f02a04aa894187fce8af8b7b8e"
+
 browser-resolve@^1.11.2:
   version "1.11.2"
   resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
@@ -1342,6 +1361,10 @@ detect-libc@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
 
+detect-newline@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
+
 diff@^3.2.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
@@ -1381,6 +1404,10 @@ domelementtype@~1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
 
+domexception@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/domexception/-/domexception-1.0.0.tgz#81fe5df81b3f057052cde3a9fa9bf536a85b9ab0"
+
 domhandler@^2.3.0:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.4.1.tgz#892e47000a99be55bbf3774ffea0561d8879c259"
@@ -1434,19 +1461,13 @@ entities@^1.1.1, entities@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
-errno@^0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.4.tgz#b896e23a9e5e8ba33871fc996abd3635fc9a1c7d"
-  dependencies:
-    prr "~0.0.0"
-
 error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
   dependencies:
     is-arrayish "^0.2.1"
 
-es-abstract@^1.7.0:
+es-abstract@^1.5.1, es-abstract@^1.7.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.10.0.tgz#1ecb36c197842a00d8ee4c2dfd8646bb97d60864"
   dependencies:
@@ -1468,7 +1489,7 @@ escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
-escodegen@^1.6.1:
+escodegen@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.9.0.tgz#9811a2f265dc1cd3894420ee3717064b632b8852"
   dependencies:
@@ -1479,9 +1500,9 @@ escodegen@^1.6.1:
   optionalDependencies:
     source-map "~0.5.6"
 
-eslint-config-semistandard@^11.0.0:
-  version "11.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-semistandard/-/eslint-config-semistandard-11.0.0.tgz#44eef7cfdfd47219e3a7b81b91b540e880bb2615"
+eslint-config-semistandard@^12.0.0:
+  version "12.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-semistandard/-/eslint-config-semistandard-12.0.0.tgz#e6482de68e05c2dbdddaf45c3078f6a97fe23f1a"
 
 eslint-config-standard-jsx@^4.0.0, eslint-config-standard-jsx@^4.0.2:
   version "4.0.2"
@@ -1493,9 +1514,9 @@ eslint-config-standard-react@^5.0.0:
   dependencies:
     eslint-config-standard-jsx "^4.0.0"
 
-eslint-config-standard@^10.2.1:
-  version "10.2.1"
-  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-10.2.1.tgz#c061e4d066f379dc17cd562c64e819b4dd454591"
+eslint-config-standard@^11.0.0-beta.0:
+  version "11.0.0-beta.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-11.0.0-beta.0.tgz#f8afe69803d95c685a4b8392b8793188eb03cbb3"
 
 eslint-import-resolver-node@^0.3.1:
   version "0.3.1"
@@ -1562,28 +1583,32 @@ eslint-plugin-standard@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-standard/-/eslint-plugin-standard-3.0.1.tgz#34d0c915b45edc6f010393c7eef3823b08565cf2"
 
-eslint-scope@^3.7.1:
+eslint-scope@^3.7.1, eslint-scope@~3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
   dependencies:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint@^4.11.0:
-  version "4.12.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.12.0.tgz#a7ce78eba8cc8f2443acfbbc870cc31a65135884"
+eslint-visitor-keys@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
+
+eslint@^4.14.0:
+  version "4.14.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.14.0.tgz#96609768d1dd23304faba2d94b7fefe5a5447a82"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
     chalk "^2.1.0"
     concat-stream "^1.6.0"
     cross-spawn "^5.1.0"
-    debug "^3.0.1"
+    debug "^3.1.0"
     doctrine "^2.0.2"
     eslint-scope "^3.7.1"
+    eslint-visitor-keys "^1.0.0"
     espree "^3.5.2"
     esquery "^1.0.0"
-    estraverse "^4.2.0"
     esutils "^2.0.2"
     file-entry-cache "^2.0.0"
     functional-red-black-tree "^1.0.1"
@@ -1687,16 +1712,16 @@ expand-template@^1.0.2:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/expand-template/-/expand-template-1.1.0.tgz#e09efba977bf98f9ee0ed25abd0c692e02aec3fc"
 
-expect@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/expect/-/expect-21.2.1.tgz#003ac2ac7005c3c29e73b38a272d4afadd6d1d7b"
+expect@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-22.0.3.tgz#bb486de7d41bf3eb60d3b16dfd1c158a4d91ddfa"
   dependencies:
     ansi-styles "^3.2.0"
-    jest-diff "^21.2.1"
-    jest-get-type "^21.2.0"
-    jest-matcher-utils "^21.2.1"
-    jest-message-util "^21.2.1"
-    jest-regex-util "^21.2.0"
+    jest-diff "^22.0.3"
+    jest-get-type "^22.0.3"
+    jest-matcher-utils "^22.0.3"
+    jest-message-util "^22.0.3"
+    jest-regex-util "^22.0.3"
 
 extend@^3.0.0, extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
@@ -1806,9 +1831,9 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-flow-bin@^0.61.0:
-  version "0.61.0"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.61.0.tgz#d0473a8c35dbbf4de573823f4932124397d32d35"
+flow-bin@^0.62.0:
+  version "0.62.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.62.0.tgz#14bca669a6e3f95c0bc0c2d1eb55ec4e98cb1d83"
 
 flow-copy-source@^1.2.1:
   version "1.2.1"
@@ -2439,7 +2464,7 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
-istanbul-api@^1.1.1:
+istanbul-api@^1.1.14:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.2.1.tgz#0c60a0515eb11c7d65c6b50bba2c6e999acd8620"
   dependencies:
@@ -2455,7 +2480,7 @@ istanbul-api@^1.1.1:
     mkdirp "^0.5.1"
     once "^1.4.0"
 
-istanbul-lib-coverage@^1.0.1, istanbul-lib-coverage@^1.1.1:
+istanbul-lib-coverage@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.1.tgz#73bfb998885299415c93d38a3e9adf784a77a9da"
 
@@ -2465,7 +2490,7 @@ istanbul-lib-hook@^1.1.0:
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.4.2, istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.9.1:
+istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.8.0, istanbul-lib-instrument@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.1.tgz#250b30b3531e5d3251299fdd64b0b2c9db6b558e"
   dependencies:
@@ -2486,7 +2511,7 @@ istanbul-lib-report@^1.1.2:
     path-parse "^1.0.5"
     supports-color "^3.1.2"
 
-istanbul-lib-source-maps@^1.1.0, istanbul-lib-source-maps@^1.2.2:
+istanbul-lib-source-maps@^1.2.1, istanbul-lib-source-maps@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.2.tgz#750578602435f28a0c04ee6d7d9e0f2960e62c1c"
   dependencies:
@@ -2502,230 +2527,251 @@ istanbul-reports@^1.1.3:
   dependencies:
     handlebars "^4.0.3"
 
-jest-changed-files@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-21.2.0.tgz#5dbeecad42f5d88b482334902ce1cba6d9798d29"
+jest-changed-files@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-22.0.3.tgz#3771315acfa24a0ed7e6c545de620db6f1b2d164"
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-21.2.1.tgz#9c528b6629d651911138d228bdb033c157ec8c00"
+jest-cli@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.0.4.tgz#0052abaad45c57861c05da8ab5d27bad13ad224d"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
     glob "^7.1.2"
     graceful-fs "^4.1.11"
     is-ci "^1.0.10"
-    istanbul-api "^1.1.1"
-    istanbul-lib-coverage "^1.0.1"
-    istanbul-lib-instrument "^1.4.2"
-    istanbul-lib-source-maps "^1.1.0"
-    jest-changed-files "^21.2.0"
-    jest-config "^21.2.1"
-    jest-environment-jsdom "^21.2.1"
-    jest-haste-map "^21.2.0"
-    jest-message-util "^21.2.1"
-    jest-regex-util "^21.2.0"
-    jest-resolve-dependencies "^21.2.0"
-    jest-runner "^21.2.1"
-    jest-runtime "^21.2.1"
-    jest-snapshot "^21.2.1"
-    jest-util "^21.2.1"
+    istanbul-api "^1.1.14"
+    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-instrument "^1.8.0"
+    istanbul-lib-source-maps "^1.2.1"
+    jest-changed-files "^22.0.3"
+    jest-config "^22.0.4"
+    jest-environment-jsdom "^22.0.4"
+    jest-get-type "^22.0.3"
+    jest-haste-map "^22.0.3"
+    jest-message-util "^22.0.3"
+    jest-regex-util "^22.0.3"
+    jest-resolve-dependencies "^22.0.3"
+    jest-runner "^22.0.4"
+    jest-runtime "^22.0.4"
+    jest-snapshot "^22.0.3"
+    jest-util "^22.0.4"
+    jest-worker "^22.0.3"
     micromatch "^2.3.11"
-    node-notifier "^5.0.2"
-    pify "^3.0.0"
+    node-notifier "^5.1.2"
+    realpath-native "^1.0.0"
+    rimraf "^2.5.4"
     slash "^1.0.0"
     string-length "^2.0.0"
     strip-ansi "^4.0.0"
     which "^1.2.12"
-    worker-farm "^1.3.1"
-    yargs "^9.0.0"
+    yargs "^10.0.3"
 
-jest-config@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-21.2.1.tgz#c7586c79ead0bcc1f38c401e55f964f13bf2a480"
+jest-config@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.0.4.tgz#9c2a46c0907b1a1af54d9cdbf18e99b447034e11"
   dependencies:
     chalk "^2.0.1"
     glob "^7.1.1"
-    jest-environment-jsdom "^21.2.1"
-    jest-environment-node "^21.2.1"
-    jest-get-type "^21.2.0"
-    jest-jasmine2 "^21.2.1"
-    jest-regex-util "^21.2.0"
-    jest-resolve "^21.2.0"
-    jest-util "^21.2.1"
-    jest-validate "^21.2.1"
-    pretty-format "^21.2.1"
+    jest-environment-jsdom "^22.0.4"
+    jest-environment-node "^22.0.4"
+    jest-get-type "^22.0.3"
+    jest-jasmine2 "^22.0.4"
+    jest-regex-util "^22.0.3"
+    jest-resolve "^22.0.4"
+    jest-util "^22.0.4"
+    jest-validate "^22.0.3"
+    pretty-format "^22.0.3"
 
-jest-diff@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-21.2.1.tgz#46cccb6cab2d02ce98bc314011764bb95b065b4f"
+jest-diff@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.0.3.tgz#ffed5aba6beaf63bb77819ba44dd520168986321"
   dependencies:
     chalk "^2.0.1"
     diff "^3.2.0"
-    jest-get-type "^21.2.0"
-    pretty-format "^21.2.1"
+    jest-get-type "^22.0.3"
+    pretty-format "^22.0.3"
 
-jest-docblock@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
-
-jest-environment-jsdom@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-21.2.1.tgz#38d9980c8259b2a608ec232deee6289a60d9d5b4"
+jest-docblock@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.0.3.tgz#c33aa22682b9fc68a5373f5f82994428a2ded601"
   dependencies:
-    jest-mock "^21.2.0"
-    jest-util "^21.2.1"
-    jsdom "^9.12.0"
+    detect-newline "^2.1.0"
 
-jest-environment-node@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-21.2.1.tgz#98c67df5663c7fbe20f6e792ac2272c740d3b8c8"
+jest-environment-jsdom@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.0.4.tgz#5723d4e724775ed38948de792e62f2d6a7f452df"
   dependencies:
-    jest-mock "^21.2.0"
-    jest-util "^21.2.1"
+    jest-mock "^22.0.3"
+    jest-util "^22.0.4"
+    jsdom "^11.5.1"
 
-jest-get-type@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-21.2.0.tgz#f6376ab9db4b60d81e39f30749c6c466f40d4a23"
+jest-environment-node@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.0.4.tgz#068671f85a545f96a5469be3a3dd228fca79c709"
+  dependencies:
+    jest-mock "^22.0.3"
+    jest-util "^22.0.4"
 
-jest-haste-map@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-21.2.0.tgz#1363f0a8bb4338f24f001806571eff7a4b2ff3d8"
+jest-get-type@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.0.3.tgz#fa894b677c0fcd55eff3fd8ee28c7be942e32d36"
+
+jest-haste-map@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.0.3.tgz#c9ecb5c871c5465d4bde4139e527fa0dc784aa2d"
   dependencies:
     fb-watchman "^2.0.0"
     graceful-fs "^4.1.11"
-    jest-docblock "^21.2.0"
+    jest-docblock "^22.0.3"
+    jest-worker "^22.0.3"
     micromatch "^2.3.11"
     sane "^2.0.0"
-    worker-farm "^1.3.1"
 
-jest-jasmine2@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-21.2.1.tgz#9cc6fc108accfa97efebce10c4308548a4ea7592"
+jest-jasmine2@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.0.4.tgz#f7c0965116efe831ec674dc954b0134639b3dcee"
   dependencies:
+    callsites "^2.0.0"
     chalk "^2.0.1"
-    expect "^21.2.1"
+    expect "^22.0.3"
     graceful-fs "^4.1.11"
-    jest-diff "^21.2.1"
-    jest-matcher-utils "^21.2.1"
-    jest-message-util "^21.2.1"
-    jest-snapshot "^21.2.1"
-    p-cancelable "^0.3.0"
+    jest-diff "^22.0.3"
+    jest-matcher-utils "^22.0.3"
+    jest-message-util "^22.0.3"
+    jest-snapshot "^22.0.3"
+    source-map-support "^0.5.0"
 
-jest-matcher-utils@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-21.2.1.tgz#72c826eaba41a093ac2b4565f865eb8475de0f64"
+jest-leak-detector@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.0.3.tgz#b64904f0e8954a11edb79b0809ff4717fa762d99"
+  dependencies:
+    pretty-format "^22.0.3"
+  optionalDependencies:
+    weak "^1.0.1"
+
+jest-matcher-utils@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.0.3.tgz#2ec15ca1af7dcabf4daddc894ccce224b948674e"
   dependencies:
     chalk "^2.0.1"
-    jest-get-type "^21.2.0"
-    pretty-format "^21.2.1"
+    jest-get-type "^22.0.3"
+    pretty-format "^22.0.3"
 
-jest-message-util@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-21.2.1.tgz#bfe5d4692c84c827d1dcf41823795558f0a1acbe"
+jest-message-util@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.0.3.tgz#bf674b2762ef2dd53facf2136423fcca264976df"
   dependencies:
+    "@babel/code-frame" "^7.0.0-beta.35"
     chalk "^2.0.1"
     micromatch "^2.3.11"
     slash "^1.0.0"
+    stack-utils "^1.0.1"
 
-jest-mock@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-21.2.0.tgz#7eb0770e7317968165f61ea2a7281131534b3c0f"
+jest-mock@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.0.3.tgz#c875e47b5b729c6c020a2fab317b275c0cf88961"
 
-jest-regex-util@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-21.2.0.tgz#1b1e33e63143babc3e0f2e6c9b5ba1eb34b2d530"
+jest-regex-util@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.0.3.tgz#c5c10229de5ce2b27bf4347916d95b802ae9aa4d"
 
-jest-resolve-dependencies@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-21.2.0.tgz#9e231e371e1a736a1ad4e4b9a843bc72bfe03d09"
+jest-resolve-dependencies@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.0.3.tgz#202ddf370069702cd1865a1952fcc7e52c92720e"
   dependencies:
-    jest-regex-util "^21.2.0"
+    jest-regex-util "^22.0.3"
 
-jest-resolve@^21.2.0:
-  version "21.2.0"
-  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-21.2.0.tgz#068913ad2ba6a20218e5fd32471f3874005de3a6"
+jest-resolve@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.0.4.tgz#a6e47f55e9388c7341b5e9732aedc6fe30906121"
   dependencies:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
-    is-builtin-module "^1.0.0"
 
-jest-runner@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-21.2.1.tgz#194732e3e518bfb3d7cbfc0fd5871246c7e1a467"
+jest-runner@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.0.4.tgz#3aa43a31b05ce8271539df580c2eb916023d3367"
   dependencies:
-    jest-config "^21.2.1"
-    jest-docblock "^21.2.0"
-    jest-haste-map "^21.2.0"
-    jest-jasmine2 "^21.2.1"
-    jest-message-util "^21.2.1"
-    jest-runtime "^21.2.1"
-    jest-util "^21.2.1"
-    pify "^3.0.0"
+    jest-config "^22.0.4"
+    jest-docblock "^22.0.3"
+    jest-haste-map "^22.0.3"
+    jest-jasmine2 "^22.0.4"
+    jest-leak-detector "^22.0.3"
+    jest-message-util "^22.0.3"
+    jest-runtime "^22.0.4"
+    jest-util "^22.0.4"
+    jest-worker "^22.0.3"
     throat "^4.0.0"
-    worker-farm "^1.3.1"
 
-jest-runtime@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-21.2.1.tgz#99dce15309c670442eee2ebe1ff53a3cbdbbb73e"
+jest-runtime@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.0.4.tgz#8f69aa7b5fbb3acd35dc262cbf654e563f69b7b4"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^21.2.0"
-    babel-plugin-istanbul "^4.0.0"
+    babel-jest "^22.0.4"
+    babel-plugin-istanbul "^4.1.5"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     graceful-fs "^4.1.11"
-    jest-config "^21.2.1"
-    jest-haste-map "^21.2.0"
-    jest-regex-util "^21.2.0"
-    jest-resolve "^21.2.0"
-    jest-util "^21.2.1"
+    jest-config "^22.0.4"
+    jest-haste-map "^22.0.3"
+    jest-regex-util "^22.0.3"
+    jest-resolve "^22.0.4"
+    jest-util "^22.0.4"
     json-stable-stringify "^1.0.1"
     micromatch "^2.3.11"
+    realpath-native "^1.0.0"
     slash "^1.0.0"
     strip-bom "3.0.0"
     write-file-atomic "^2.1.0"
-    yargs "^9.0.0"
+    yargs "^10.0.3"
 
-jest-snapshot@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-21.2.1.tgz#29e49f16202416e47343e757e5eff948c07fd7b0"
+jest-snapshot@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.0.3.tgz#a949b393781d2fdb4773f6ea765dd67ad1da291e"
   dependencies:
     chalk "^2.0.1"
-    jest-diff "^21.2.1"
-    jest-matcher-utils "^21.2.1"
+    jest-diff "^22.0.3"
+    jest-matcher-utils "^22.0.3"
     mkdirp "^0.5.1"
     natural-compare "^1.4.0"
-    pretty-format "^21.2.1"
+    pretty-format "^22.0.3"
 
-jest-util@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-21.2.1.tgz#a274b2f726b0897494d694a6c3d6a61ab819bb78"
+jest-util@^22.0.4:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.0.4.tgz#d920a513e0645aaab030cee38e4fe7d5bed8bb6d"
   dependencies:
     callsites "^2.0.0"
     chalk "^2.0.1"
     graceful-fs "^4.1.11"
-    jest-message-util "^21.2.1"
-    jest-mock "^21.2.0"
-    jest-validate "^21.2.1"
+    is-ci "^1.0.10"
+    jest-message-util "^22.0.3"
+    jest-validate "^22.0.3"
     mkdirp "^0.5.1"
 
-jest-validate@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-21.2.1.tgz#cc0cbca653cd54937ba4f2a111796774530dd3c7"
+jest-validate@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.0.3.tgz#2850d949a36c48b1a40f7eebae1d8539126f7829"
   dependencies:
     chalk "^2.0.1"
-    jest-get-type "^21.2.0"
+    jest-get-type "^22.0.3"
     leven "^2.1.0"
-    pretty-format "^21.2.1"
+    pretty-format "^22.0.3"
 
-jest@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-21.2.1.tgz#c964e0b47383768a1438e3ccf3c3d470327604e1"
+jest-worker@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.0.3.tgz#30433faca67814a8f80559f75ab2ceaa61332fd2"
   dependencies:
-    jest-cli "^21.2.1"
+    merge-stream "^1.0.1"
+
+jest@^22.0.0:
+  version "22.0.4"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-22.0.4.tgz#d3cf560ece6b825b115dce80b9826ceb40f87961"
+  dependencies:
+    jest-cli "^22.0.4"
 
 js-base64@^2.1.9:
   version "2.3.2"
@@ -2752,28 +2798,33 @@ jsdoctypeparser@^1.2.0:
   dependencies:
     lodash "^3.7.0"
 
-jsdom@^9.12.0:
-  version "9.12.0"
-  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-9.12.0.tgz#e8c546fffcb06c00d4833ca84410fed7f8a097d4"
+jsdom@^11.5.1:
+  version "11.5.1"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-11.5.1.tgz#5df753b8d0bca20142ce21f4f6c039f99a992929"
   dependencies:
     abab "^1.0.3"
-    acorn "^4.0.4"
-    acorn-globals "^3.1.0"
+    acorn "^5.1.2"
+    acorn-globals "^4.0.0"
     array-equal "^1.0.0"
+    browser-process-hrtime "^0.1.2"
     content-type-parser "^1.0.1"
     cssom ">= 0.3.2 < 0.4.0"
     cssstyle ">= 0.2.37 < 0.3.0"
-    escodegen "^1.6.1"
+    domexception "^1.0.0"
+    escodegen "^1.9.0"
     html-encoding-sniffer "^1.0.1"
-    nwmatcher ">= 1.3.9 < 2.0.0"
-    parse5 "^1.5.1"
-    request "^2.79.0"
+    left-pad "^1.2.0"
+    nwmatcher "^1.4.3"
+    parse5 "^3.0.2"
+    pn "^1.0.0"
+    request "^2.83.0"
+    request-promise-native "^1.0.3"
     sax "^1.2.1"
     symbol-tree "^3.2.1"
-    tough-cookie "^2.3.2"
-    webidl-conversions "^4.0.0"
+    tough-cookie "^2.3.3"
+    webidl-conversions "^4.0.2"
     whatwg-encoding "^1.0.1"
-    whatwg-url "^4.3.0"
+    whatwg-url "^6.3.0"
     xml-name-validator "^2.0.1"
 
 jsesc@^1.3.0:
@@ -2881,6 +2932,10 @@ lcov-parse@^0.0.10:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/lcov-parse/-/lcov-parse-0.0.10.tgz#1b0b8ff9ac9c7889250582b70b71315d9da6d9a3"
 
+left-pad@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.2.0.tgz#d30a73c6b8201d8f7d8e7956ba9616087a68e0ee"
+
 leven@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
@@ -2928,11 +2983,15 @@ lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
 
+lodash.sortby@^4.7.0:
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
+
 lodash@^3.7.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
+lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -3048,6 +3107,12 @@ meow@^3.7.0:
     redent "^1.0.0"
     trim-newlines "^1.0.0"
 
+merge-stream@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-1.0.1.tgz#4041202d508a342ba00174008df0c251b8c135e1"
+  dependencies:
+    readable-stream "^2.0.1"
+
 merge@^1.1.3:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.0.tgz#7531e39d4949c281a66b8c5a6e0265e8b05894da"
@@ -3120,7 +3185,7 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
-nan@^2.2.1, nan@^2.3.0:
+nan@^2.0.5, nan@^2.2.1, nan@^2.3.0:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.8.0.tgz#ed715f3fe9de02b57a5e6252d90a96675e1f085a"
 
@@ -3145,7 +3210,7 @@ node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
 
-node-notifier@^5.0.2:
+node-notifier@^5.1.2:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/node-notifier/-/node-notifier-5.1.2.tgz#2fa9e12605fa10009d44549d6fcd8a63dde0e4ff"
   dependencies:
@@ -3227,7 +3292,7 @@ number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
-"nwmatcher@>= 1.3.9 < 2.0.0":
+nwmatcher@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/nwmatcher/-/nwmatcher-1.4.3.tgz#64348e3b3d80f035b40ac11563d278f8b72db89c"
 
@@ -3243,6 +3308,13 @@ object-keys@^1.0.8:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
 
+object.getownpropertydescriptors@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.5.1"
+
 object.omit@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
@@ -3311,10 +3383,6 @@ output-file-sync@^1.1.2:
     mkdirp "^0.5.1"
     object-assign "^4.1.0"
 
-p-cancelable@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-0.3.0.tgz#b9e123800bcebb7ac13a479be195b507b98d30fa"
-
 p-finally@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
@@ -3361,9 +3429,11 @@ parse-json@^3.0.0:
   dependencies:
     error-ex "^1.3.1"
 
-parse5@^1.5.1:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/parse5/-/parse5-1.5.1.tgz#9b7f3b0de32be78dc2401b17573ccaf0f6f59d94"
+parse5@^3.0.2:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-3.0.3.tgz#042f792ffdd36851551cf4e9e066b3874ab45b5c"
+  dependencies:
+    "@types/node" "*"
 
 path-exists@^2.0.0:
   version "2.1.0"
@@ -3447,6 +3517,10 @@ pluralize@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
 
+pn@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pn/-/pn-1.0.0.tgz#1cf5a30b0d806cd18f88fc41a6b5d4ad615b3ba9"
+
 postcss-html@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/postcss-html/-/postcss-html-0.11.0.tgz#03a3ff3116f8a0fe0d46316ea21893d4db4b63af"
@@ -3553,9 +3627,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-pretty-format@^21.2.1:
-  version "21.2.1"
-  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-21.2.1.tgz#ae5407f3cf21066cd011aa1ba5fce7b6a2eddb36"
+pretty-format@^22.0.3:
+  version "22.0.3"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.0.3.tgz#a2bfa59fc33ad24aa4429981bb52524b41ba5dd7"
   dependencies:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
@@ -3586,10 +3660,6 @@ prop-types@^15.6.0:
     loose-envify "^1.3.1"
     object-assign "^4.1.1"
 
-prr@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
-
 pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
@@ -3605,6 +3675,10 @@ punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
+punycode@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.0.tgz#5f863edc89b96db09074bad7947bf09056ca4e7d"
+
 qs@~6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
@@ -3659,7 +3733,7 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-readable-stream@^2.0.0, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2:
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -3680,6 +3754,12 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
+realpath-native@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/realpath-native/-/realpath-native-1.0.0.tgz#7885721a83b43bd5327609f0ddecb2482305fdf0"
+  dependencies:
+    util.promisify "^1.0.0"
+
 redent@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
@@ -3800,6 +3880,20 @@ replace-ext@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
 
+request-promise-core@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.1.tgz#3eee00b2c5aa83239cfb04c5700da36f81cd08b6"
+  dependencies:
+    lodash "^4.13.1"
+
+request-promise-native@^1.0.3:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.5.tgz#5281770f68e0c9719e5163fd3fab482215f4fda5"
+  dependencies:
+    request-promise-core "1.1.1"
+    stealthy-require "^1.1.0"
+    tough-cookie ">=2.3.3"
+
 request@2.81.0:
   version "2.81.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
@@ -3827,7 +3921,7 @@ request@2.81.0:
     tunnel-agent "^0.6.0"
     uuid "^3.0.0"
 
-request@^2.79.0:
+request@^2.79.0, request@^2.83.0:
   version "2.83.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.83.0.tgz#ca0b65da02ed62935887808e6f510381034e3356"
   dependencies:
@@ -3904,7 +3998,7 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.1, rimraf@^2.6.2:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -4022,6 +4116,12 @@ source-map-support@^0.4.15:
   dependencies:
     source-map "^0.5.6"
 
+source-map-support@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.0.tgz#2018a7ad2bdf8faf2691e5fddab26bed5a2bacab"
+  dependencies:
+    source-map "^0.6.0"
+
 source-map@^0.4.4:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
@@ -4032,7 +4132,7 @@ source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-source-map@^0.6.1:
+source-map@^0.6.0, source-map@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -4072,10 +4172,18 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+stack-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.1.tgz#d4f33ab54e8e38778b0ca5cfd3b3afb12db68620"
+
 state-toggle@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/state-toggle/-/state-toggle-1.0.0.tgz#d20f9a616bb4f0c3b98b91922d25b640aa2bc425"
 
+stealthy-require@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
+
 string-length@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/string-length/-/string-length-2.0.0.tgz#d40dbb686a3ace960c1cffca562bf2c45f8363ed"
@@ -4338,15 +4446,17 @@ to-fast-properties@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
 
-tough-cookie@^2.3.2, tough-cookie@~2.3.0, tough-cookie@~2.3.3:
+tough-cookie@>=2.3.3, tough-cookie@^2.3.3, tough-cookie@~2.3.0, tough-cookie@~2.3.3:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.3.tgz#0b618a5565b6dea90bf3425d04d55edc475a7561"
   dependencies:
     punycode "^1.4.1"
 
-tr46@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+tr46@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-1.0.1.tgz#a8b13fd6bfd2489519674ccde55ba3693b706d09"
+  dependencies:
+    punycode "^2.1.0"
 
 trim-newlines@^1.0.0:
   version "1.0.0"
@@ -4492,6 +4602,13 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
+util.promisify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/util.promisify/-/util.promisify-1.0.0.tgz#440f7165a459c9a16dc145eb8e72f35687097030"
+  dependencies:
+    define-properties "^1.1.2"
+    object.getownpropertydescriptors "^2.0.3"
+
 uuid@^3.0.0, uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
@@ -4549,11 +4666,14 @@ watch@~0.18.0:
     exec-sh "^0.2.0"
     minimist "^1.2.0"
 
-webidl-conversions@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+weak@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/weak/-/weak-1.0.1.tgz#ab99aab30706959aa0200cb8cf545bb9cb33b99e"
+  dependencies:
+    bindings "^1.2.1"
+    nan "^2.0.5"
 
-webidl-conversions@^4.0.0:
+webidl-conversions@^4.0.1, webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
@@ -4567,12 +4687,13 @@ whatwg-fetch@>=0.10.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
 
-whatwg-url@^4.3.0:
-  version "4.8.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-4.8.0.tgz#d2981aa9148c1e00a41c5a6131166ab4683bbcc0"
+whatwg-url@^6.3.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-6.4.0.tgz#08fdf2b9e872783a7a1f6216260a1d66cc722e08"
   dependencies:
-    tr46 "~0.0.3"
-    webidl-conversions "^3.0.0"
+    lodash.sortby "^4.7.0"
+    tr46 "^1.0.0"
+    webidl-conversions "^4.0.1"
 
 which-module@^2.0.0:
   version "2.0.0"
@@ -4606,13 +4727,6 @@ wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
-worker-farm@^1.3.1:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.5.2.tgz#32b312e5dc3d5d45d79ef44acc2587491cd729ae"
-  dependencies:
-    errno "^0.1.4"
-    xtend "^4.0.1"
-
 wrap-ansi@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
@@ -4668,27 +4782,32 @@ yargs-parser@^7.0.0:
   dependencies:
     camelcase "^4.1.0"
 
-yargs@^8.0.2:
-  version "8.0.2"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"
+yargs-parser@^8.0.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.1.0.tgz#f1376a33b6629a5d063782944da732631e966950"
   dependencies:
     camelcase "^4.1.0"
+
+yargs@^10.0.3:
+  version "10.0.3"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.0.3.tgz#6542debd9080ad517ec5048fb454efe9e4d4aaae"
+  dependencies:
     cliui "^3.2.0"
     decamelize "^1.1.1"
+    find-up "^2.1.0"
     get-caller-file "^1.0.1"
     os-locale "^2.0.0"
-    read-pkg-up "^2.0.0"
     require-directory "^2.1.1"
     require-main-filename "^1.0.1"
     set-blocking "^2.0.0"
     string-width "^2.0.0"
     which-module "^2.0.0"
     y18n "^3.2.1"
-    yargs-parser "^7.0.0"
+    yargs-parser "^8.0.0"
 
-yargs@^9.0.0:
-  version "9.0.1"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-9.0.1.tgz#52acc23feecac34042078ee78c0c007f5085db4c"
+yargs@^8.0.2:
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"
   dependencies:
     camelcase "^4.1.0"
     cliui "^3.2.0"