From a9479b3c015961e93f396fb1e23dc61e261c6aef Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Fri, 9 Mar 2018 15:45:45 +0100
Subject: Make coverage a module instead of a function

---
 packages/contracts/test/global_hooks.ts |  4 ++--
 packages/dev-utils/src/coverage.ts      | 17 +++++++++++------
 packages/dev-utils/src/index.ts         |  2 +-
 packages/dev-utils/src/web3_factory.ts  |  4 ++--
 4 files changed, 16 insertions(+), 11 deletions(-)

(limited to 'packages')

diff --git a/packages/contracts/test/global_hooks.ts b/packages/contracts/test/global_hooks.ts
index b29e171d7..0440c871d 100644
--- a/packages/contracts/test/global_hooks.ts
+++ b/packages/contracts/test/global_hooks.ts
@@ -1,8 +1,8 @@
-import { getCoverageSubproviderSingleton } from '@0xproject/dev-utils';
+import { coverage } from '@0xproject/dev-utils';
 
 after('generate coverage report', async () => {
     if (process.env.SOLIDITY_COVERAGE) {
-        const coverageSubprovider = getCoverageSubproviderSingleton();
+        const coverageSubprovider = coverage.getCoverageSubproviderSingleton();
         await coverageSubprovider.writeCoverageAsync();
     }
 });
diff --git a/packages/dev-utils/src/coverage.ts b/packages/dev-utils/src/coverage.ts
index b39fa5de4..db87e2285 100644
--- a/packages/dev-utils/src/coverage.ts
+++ b/packages/dev-utils/src/coverage.ts
@@ -3,12 +3,17 @@ import * as _ from 'lodash';
 
 let coverageSubprovider: CoverageSubprovider;
 
-export function getCoverageSubproviderSingleton(): CoverageSubprovider {
-    if (_.isUndefined(coverageSubprovider)) {
+export const coverage = {
+    getCoverageSubproviderSingleton(): CoverageSubprovider {
+        if (_.isUndefined(coverageSubprovider)) {
+            coverageSubprovider = coverage._getCoverageSubprovider();
+        }
+        return coverageSubprovider;
+    },
+    _getCoverageSubprovider(): CoverageSubprovider {
         const artifactsPath = './src/artifacts';
         const contractsPath = './src/contracts';
         const networkId = 50;
-        coverageSubprovider = new CoverageSubprovider(artifactsPath, contractsPath, networkId);
-    }
-    return coverageSubprovider;
-}
+        return new CoverageSubprovider(artifactsPath, contractsPath, networkId);
+    },
+};
diff --git a/packages/dev-utils/src/index.ts b/packages/dev-utils/src/index.ts
index 61e9bcfa2..72d538e5d 100644
--- a/packages/dev-utils/src/index.ts
+++ b/packages/dev-utils/src/index.ts
@@ -1,4 +1,4 @@
 export { BlockchainLifecycle } from './blockchain_lifecycle';
 export { web3Factory } from './web3_factory';
 export { constants as devConstants } from './constants';
-export { getCoverageSubproviderSingleton } from './coverage';
+export { coverage } from './coverage';
diff --git a/packages/dev-utils/src/web3_factory.ts b/packages/dev-utils/src/web3_factory.ts
index 200670c3b..74deec7b1 100644
--- a/packages/dev-utils/src/web3_factory.ts
+++ b/packages/dev-utils/src/web3_factory.ts
@@ -12,7 +12,7 @@ import * as _ from 'lodash';
 import * as process from 'process';
 
 import { constants } from './constants';
-import { getCoverageSubproviderSingleton } from './coverage';
+import { coverage } from './coverage';
 
 // HACK: web3 leaks XMLHttpRequest into the global scope and causes requests to hang
 // because they are using the wrong XHR package.
@@ -36,7 +36,7 @@ export const web3Factory = {
     getRpcProvider(config: Web3Config = {}): Web3.Provider {
         const provider = new ProviderEngine();
         if (process.env.SOLIDITY_COVERAGE) {
-            provider.addProvider(getCoverageSubproviderSingleton());
+            provider.addProvider(coverage.getCoverageSubproviderSingleton());
         }
         const hasAddresses = _.isUndefined(config.hasAddresses) || config.hasAddresses;
         if (!hasAddresses) {
-- 
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