Steps To Write An Article
diff --git a/‎packages/babel-cli/src/babel/dir.js‎
Lines changed: 7 additions & 1 deletion b/‎packages/babel-cli/src/babel/dir.js‎
Lines changed: 7 additions & 1 deletion
@@ -73,8 +73,14 @@ export default async function({ cliOptions, babelOptions }) {
 
  function outputDestFolder(outDir) {
  const outDirPath = path.resolve(outDir);
- if (!fs.existsSync(outDirPath)) {
+
+ try {
  fs.mkdirSync(outDirPath);
+ } catch (err) {
+ // Testing for the directory and then creating it can lead to race
+ // conditions if there are multiple processes, so we try to create it
+ // and bail if it already exists.
+ if (err.code !== "EEXIST") throw err;
  }
  }
Original file line number	Diff line number	Diff line change
`@@ -73,8 +73,14 @@ export default async function({ cliOptions, babelOptions }) {`
`73`	`73`
`74`	`74`	`function outputDestFolder(outDir) {`
`75`	`75`	`const outDirPath = path.resolve(outDir);`
`76`		`- if (!fs.existsSync(outDirPath)) {`
	`76`	`+`
	`77`	`+ try {`
`77`	`78`	`fs.mkdirSync(outDirPath);`
	`79`	`+ } catch (err) {`
	`80`	`+ // Testing for the directory and then creating it can lead to race`
	`81`	`+ // conditions if there are multiple processes, so we try to create it`
	`82`	`+ // and bail if it already exists.`
	`83`	`+ if (err.code !== "EEXIST") throw err;`
`78`	`84`	`}`
`79`	`85`	`}`
`80`	`86`