8 files changed, 5 insertions, 55 deletions
diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts
index 935e4ac1a..e93b5e615 100644
--- a/packages/0x.js/src/0x.ts
+++ b/packages/0x.js/src/0x.ts
@@ -1,11 +1,11 @@
 import {schemas, SchemaValidator} from '@0xproject/json-schemas';
+import {intervalUtils, bigNumberConfigs} from '@0xproject/utils';
 import {Web3Wrapper} from '@0xproject/web3-wrapper';
 import BigNumber from 'bignumber.js';
 import * as ethUtil from 'ethereumjs-util';
 import * as _ from 'lodash';
 
 import {artifacts} from './artifacts';
-import {bigNumberConfigs} from './bignumber_config';
 import {EtherTokenWrapper} from './contract_wrappers/ether_token_wrapper';
 import {ExchangeWrapper} from './contract_wrappers/exchange_wrapper';
 import {TokenRegistryWrapper} from './contract_wrappers/token_registry_wrapper';
@@ -26,7 +26,6 @@ import {
 import {AbiDecoder} from './utils/abi_decoder';
 import {assert} from './utils/assert';
 import {constants} from './utils/constants';
-import {intervalUtils} from './utils/interval_utils';
 import {OrderStateUtils} from './utils/order_state_utils';
 import {signatureUtils} from './utils/signature_utils';
 import {utils} from './utils/utils';
diff --git a/packages/0x.js/src/bignumber_config.ts b/packages/0x.js/src/bignumber_config.ts
deleted file mode 100644
index 2d5214e6f..000000000
--- a/packages/0x.js/src/bignumber_config.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import BigNumber from 'bignumber.js';
-
-export const bigNumberConfigs = {
-    configure() {
-        // By default BigNumber's `toString` method converts to exponential notation if the value has
-        // more then 20 digits. We want to avoid this behavior, so we set EXPONENTIAL_AT to a high number
-        BigNumber.config({
-            EXPONENTIAL_AT: 1000,
-        });
-    },
-};
diff --git a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
index 5caf06db2..a796dc1ec 100644
--- a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
@@ -1,3 +1,4 @@
+import {intervalUtils} from '@0xproject/utils';
 import {Web3Wrapper} from '@0xproject/web3-wrapper';
 import {Block, BlockAndLogStreamer} from 'ethereumjs-blockstream';
 import * as _ from 'lodash';
@@ -19,7 +20,6 @@ import {
 import {AbiDecoder} from '../utils/abi_decoder';
 import {constants} from '../utils/constants';
 import {filterUtils} from '../utils/filter_utils';
-import {intervalUtils} from '../utils/interval_utils';
 
 const CONTRACT_NAME_TO_NOT_FOUND_ERROR: {[contractName: string]: ZeroExError} = {
     ZRX: ZeroExError.ZRXContractDoesNotExist,
diff --git a/packages/0x.js/src/order_watcher/event_watcher.ts b/packages/0x.js/src/order_watcher/event_watcher.ts
index d5b30d567..c11079208 100644
--- a/packages/0x.js/src/order_watcher/event_watcher.ts
+++ b/packages/0x.js/src/order_watcher/event_watcher.ts
@@ -1,3 +1,4 @@
+import {intervalUtils} from '@0xproject/utils';
 import {Web3Wrapper} from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
@@ -10,7 +11,6 @@ import {
 } from '../types';
 import {AbiDecoder} from '../utils/abi_decoder';
 import {assert} from '../utils/assert';
-import {intervalUtils} from '../utils/interval_utils';
 import {utils} from '../utils/utils';
 
 const DEFAULT_EVENT_POLLING_INTERVAL_MS = 200;
diff --git a/packages/0x.js/src/order_watcher/expiration_watcher.ts b/packages/0x.js/src/order_watcher/expiration_watcher.ts
index 9a1bb1ca4..5faac43cf 100644
--- a/packages/0x.js/src/order_watcher/expiration_watcher.ts
+++ b/packages/0x.js/src/order_watcher/expiration_watcher.ts
@@ -1,10 +1,10 @@
+import {intervalUtils} from '@0xproject/utils';
 import {BigNumber} from 'bignumber.js';
 import {RBTree} from 'bintrees';
 import * as _ from 'lodash';
 
 import {ZeroEx} from '../0x';
 import {SignedOrder, ZeroExError} from '../types';
-import {intervalUtils} from '../utils/interval_utils';
 import {utils} from '../utils/utils';
 
 const DEFAULT_EXPIRATION_MARGIN_MS = 0;
diff --git a/packages/0x.js/src/order_watcher/order_state_watcher.ts b/packages/0x.js/src/order_watcher/order_state_watcher.ts
index 08f52d6e1..9ae1579c6 100644
--- a/packages/0x.js/src/order_watcher/order_state_watcher.ts
+++ b/packages/0x.js/src/order_watcher/order_state_watcher.ts
@@ -1,4 +1,5 @@
 import {schemas} from '@0xproject/json-schemas';
+import {intervalUtils} from '@0xproject/utils';
 import {Web3Wrapper} from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 
@@ -29,7 +30,6 @@ import {
 } from '../types';
 import {AbiDecoder} from '../utils/abi_decoder';
 import {assert} from '../utils/assert';
-import {intervalUtils} from '../utils/interval_utils';
 import {OrderStateUtils} from '../utils/order_state_utils';
 import {utils} from '../utils/utils';
 
diff --git a/packages/0x.js/src/utils/class_utils.ts b/packages/0x.js/src/utils/class_utils.ts
deleted file mode 100644
index 04e60ee57..000000000
--- a/packages/0x.js/src/utils/class_utils.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-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;
-    },
-};
diff --git a/packages/0x.js/src/utils/interval_utils.ts b/packages/0x.js/src/utils/interval_utils.ts
deleted file mode 100644
index 62b79f2f5..000000000
--- a/packages/0x.js/src/utils/interval_utils.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import * as _ from 'lodash';
-
-export const intervalUtils = {
-    setAsyncExcludingInterval(fn: () => Promise<void>, intervalMs: number) {
-        let locked = false;
-        const intervalId = setInterval(async () => {
-            if (locked) {
-                return;
-            } else {
-                locked = true;
-                await fn();
-                locked = false;
-            }
-        }, intervalMs);
-        return intervalId;
-    },
-    clearAsyncExcludingInterval(intervalId: NodeJS.Timer): void {
-        clearInterval(intervalId);
-    },
-};