fix tests

.vscode/launch.json

@@ -0,0 +1,31 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Jest All",
+      "program": "${workspaceFolder}/node_modules/.bin/jest",
+      "args": ["--runInBand"],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "disableOptimisticBPs": true,
+      "windows": {
+        "program": "${workspaceFolder}/node_modules/jest/bin/jest"
+      }
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Jest Current File",
+      "program": "${workspaceFolder}/node_modules/.bin/jest",
+      "args": ["${relativeFile}", "--coverage", "false"],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "disableOptimisticBPs": true,
+      "windows": {
+        "program": "${workspaceFolder}/node_modules/jest/bin/jest"
+      }
+    }
+  ]
+}

package.json

@@ -39,6 +39,7 @@
     "@hutson/set-npm-auth-token-for-ci": "^3.0.2",
     "@octokit/plugin-enterprise-compatibility": "^1.0.0",
     "@octokit/rest": "^16.13.1",
+    "arr-flatten": "^1.1.0",
     "chalk": "^2.4.2",
     "chrome-webstore-upload-cli": "^1.2.0",
     "command-line-args": "^5.0.2",
@@ -112,6 +113,7 @@
     ]
   },
   "jest": {
+    "testEnvironment": "node",
     "moduleFileExtensions": [
       "ts",
       "js"

src/changelog.ts

@@ -1,3 +1,4 @@
+import flatten from 'arr-flatten';
 import { AsyncSeriesBailHook } from 'tapable';
 import { URL } from 'url';
 import join from 'url-join';
@@ -205,27 +206,29 @@ export default class Changelog {
     );
 
     await Promise.all(
-      commits.map(async commit => {
-        commit.authors.map(async author => {
-          if (author.username === 'invalid-email-address') {
-            return;
-          }
-
-          const user = await this.hooks.renderChangelogAuthor.promise(
-            author,
-            commit,
-            this.options
-          );
-          const authorEntry = await this.hooks.renderChangelogAuthorLine.promise(
-            author,
-            user as string
-          );
-
-          if (authorEntry && !authors.has(authorEntry)) {
-            authors.add(authorEntry);
-          }
-        });
-      })
+      flatten(
+        commits.map(commit =>
+          commit.authors.map(async author => {
+            if (author.username === 'invalid-email-address') {
+              return;
+            }
+
+            const user = await this.hooks.renderChangelogAuthor.promise(
+              author,
+              commit,
+              this.options
+            );
+            const authorEntry = await this.hooks.renderChangelogAuthorLine.promise(
+              author,
+              user as string
+            );
+
+            if (authorEntry && !authors.has(authorEntry)) {
+              authors.add(authorEntry);
+            }
+          })
+        )
+      )
     );
 
     if (authors.size === 0) {

src/types/flatten.d.ts

@@ -0,0 +1,4 @@
+declare module 'arr-flatten' {
+  function flatten<P>(arr: P[][]): P[];
+  export = flatten;
+}

tsconfig.json

@@ -7,6 +7,7 @@
     "downlevelIteration": true,
     "resolveJsonModule": true,
     "allowSyntheticDefaultImports": true,
+    "sourceMap": true,
     "inlineSourceMap": true,
     "declaration": true,
     "lib": ["es6", "es2017", "es2017.object"],