vault backup: 2022-08-03 12:05:45

随时随地/Nodejs 文件系统（path）学习笔记.md

@@ -302,4 +302,23 @@ path.posix.resolve(dataDirUnix, ...universalRelativePath),
 // '/home/john/data-dir/static/img/logo.jpg'
 ```
 
-以下代码用于将路径转换为数组
+以下代码用于将路径转换为数组
+
+```javascript
+const splitRelativePathIntoSegments = (relPath) => {
+	if (path.isAbsolute(relPath)) {
+		throw new Error("Path isn’t relative: " + relPath);
+	}
+	relPath = path.normalize(relPath);
+	const result = [];
+	while (true) {
+		const base = path.basename(relPath);
+		if (base.length === 0) break;
+		result.unshift(base);
+		const dir = path.dirname(relPath);
+		if (dir === ".") break;
+		relPath = dir;
+	}
+	return result;
+};
+```