3 files changed, 12 insertions, 9 deletions
diff --git a/packages/monorepo-scripts/src/convert_changelogs.ts b/packages/monorepo-scripts/src/convert_changelogs.ts
index f4c4d51a2..71383ee7c 100644
--- a/packages/monorepo-scripts/src/convert_changelogs.ts
+++ b/packages/monorepo-scripts/src/convert_changelogs.ts
@@ -77,12 +77,10 @@ const HEADER_PRAGMA = '##';
                 changelog.changes.push(changes);
             }
         }
-        const changelogJson = JSON.stringify(changelogs);
-        const changelogJsonPath = `${lernaPackage.location}/CHANGELOG.json`;
-        fs.writeFileSync(changelogJsonPath, changelogJson);
-        await execAsync(`prettier --write ${changelogJsonPath} --config .prettierrc`, {
-            cwd: constants.monorepoRootPath,
-        });
+        const changelogJSONPath = JSON.stringify(changelogs);
+        const changelogJSONPathPath = `${lernaPackage.location}/CHANGELOG.json`;
+        fs.writeFileSync(changelogJSONPathPath, changelogJSONPath);
+        await utils.prettifyAsync(changelogJSONPath, constants.monorepoRootPath);
     }
 })().catch(err => {
     utils.log(err.stdout);
diff --git a/packages/monorepo-scripts/src/publish.ts b/packages/monorepo-scripts/src/publish.ts
index 2263e2f8c..30e5bd0e1 100644
--- a/packages/monorepo-scripts/src/publish.ts
+++ b/packages/monorepo-scripts/src/publish.ts
@@ -78,14 +78,13 @@ const semverNameToIndex: { [semver: string]: number } = {
 
         // Save updated CHANGELOG.json
         fs.writeFileSync(changelogJSONPath, JSON.stringify(changelogs));
-        await execAsync(`prettier --write ${changelogJSONPath} --config .prettierrc`, {
-            cwd: constants.monorepoRootPath,
-        });
+        await utils.prettifyAsync(changelogJSONPath, constants.monorepoRootPath);
         utils.log(`${packageName}: Updated CHANGELOG.json`);
         // Generate updated CHANGELOG.md
         const changelogMd = generateChangelogMd(changelogs);
         const changelogMdPath = path.join(lernaPackage.location, 'CHANGELOG.md');
         fs.writeFileSync(changelogMdPath, changelogMd);
+        await utils.prettifyAsync(changelogMdPath, constants.monorepoRootPath);
         utils.log(`${packageName}: Updated CHANGELOG.md`);
     }
 
diff --git a/packages/monorepo-scripts/src/utils.ts b/packages/monorepo-scripts/src/utils.ts
index 73f6260d3..9aa37e272 100644
--- a/packages/monorepo-scripts/src/utils.ts
+++ b/packages/monorepo-scripts/src/utils.ts
@@ -1,4 +1,5 @@
 import * as _ from 'lodash';
+import { exec as execAsync, spawn } from 'promisify-child-process';
 
 export const utils = {
     log(...args: any[]): void {
@@ -11,4 +12,9 @@ export const utils = {
         const newPatchVersion = `${versionSegments[0]}.${versionSegments[1]}.${newPatch}`;
         return newPatchVersion;
     },
+    async prettifyAsync(filePath: string, cwd: string) {
+        await execAsync(`prettier --write ${filePath} --config .prettierrc`, {
+            cwd,
+        });
+    },
 };