Add mkdirp (denoland/deno_std#59)

Original: https://github.com/denoland/deno_std/commit/7a3c70e74b46885eaee4dea6529daf1f2c2f84a0

1 files changed, 24 insertions, 0 deletions

diff --git a/mkdirp/mkdirp.ts b/mkdirp/mkdirp.ts
new file mode 100644
index 000000000..9d27c751a
--- /dev/null
+++ b/mkdirp/mkdirp.ts
@@ -0,0 +1,24 @@
+import { ErrorKind, FileInfo, lstat, mkdir, platform } from "deno";
+
+const PATH_SEPARATOR: string = platform.os === "win" ? "\\" : "/";
+
+export async function mkdirp(path: string, mode?: number): Promise<void> {
+  for (
+    let parts: string[] = path.split(/\/|\\/),
+      parts_len: number = parts.length,
+      level: string,
+      info: FileInfo,
+      i: number = 0;
+    i < parts_len;
+    i++
+  ) {
+    level = parts.slice(0, i + 1).join(PATH_SEPARATOR);
+    try {
+      info = await lstat(level);
+      if (!info.isDirectory()) throw Error(`${level} is not a directory`);
+    } catch (err) {
+      if (err.kind !== ErrorKind.NotFound) throw err;
+      await mkdir(level, mode);
+    }
+  }
+}