no use ?.

tachibana-shin · web-flow · commit d4e48bf138fb · 2022-06-09T09:06:01.000Z
diff --git a/src/DefaultBackend.js b/src/DefaultBackend.js
@@ -95,7 +95,7 @@ module.exports = class DefaultBackend {
     return this._cache.writeStat(filepath, size, opts)
   }
   async readFile(filepath, opts) {
-    const encoding = typeof opts === "string" ? opts : opts?.encoding;
+    const encoding = typeof opts === "string" ? opts : opts && opts.encoding;
     if (encoding && encoding !== 'utf8') throw new Error('Only "utf8" encoding is supported in readFile');
     let data = null, stat = null
     try {

Original file line number	Diff line number	Diff line change
`@@ -95,7 +95,7 @@ module.exports = class DefaultBackend {`
`95`	`95`	`return this._cache.writeStat(filepath, size, opts)`
`96`	`96`	`}`
`97`	`97`	`async readFile(filepath, opts) {`
`98`		`- const encoding = typeof opts === "string" ? opts : opts?.encoding;`
	`98`	`+ const encoding = typeof opts === "string" ? opts : opts && opts.encoding;`
`99`	`99`	`if (encoding && encoding !== 'utf8') throw new Error('Only "utf8" encoding is supported in readFile');`
`100`	`100`	`let data = null, stat = null`
`101`	`101`	`try {`