Add mkdirp (#59)

.travis.yml

@@ -5,4 +5,4 @@ install:
 - export PATH="$HOME/.deno/bin:$PATH"
 
 script:
-- deno test.ts --allow-run --allow-net
+- deno test.ts --allow-run --allow-net --allow-write

README.md

@@ -12,6 +12,7 @@ for Deno.
 | [path](./path/)       | File path manipulation.                                         |
 | [flags](./flags/)     | Command line arguments parser.                                  |
 | [logging](./logging/) | Command line logging                                            |
+| [mkdirp](./mkdirp/)   | Make directory branches.                                        |
 
 ---
 

azure-pipelines.yml

@@ -9,7 +9,7 @@ jobs:
   steps:
   - script: curl -L https://deno.land/x/install/install.py | python - $(DENO_VERSION)
   - script: echo '##vso[task.prependpath]$(HOME)/.deno/bin/'
-  - script: deno test.ts --allow-run --allow-net
+  - script: deno test.ts --allow-run --allow-net --allow-write
 
 - job: 'Mac'
   pool:
@@ -17,7 +17,7 @@ jobs:
   steps:
   - script: curl -L https://deno.land/x/install/install.py | python - $(DENO_VERSION)
   - script: echo '##vso[task.prependpath]$(HOME)/.deno/bin/'
-  - script: deno test.ts --allow-run --allow-net
+  - script: deno test.ts --allow-run --allow-net --allow-write
 
 # TODO Windows is broken on a bug: https://github.com/denoland/deno/issues/1384
 #- job: 'Windows'

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);
+    }
+  }
+}

mkdirp/readme.md

@@ -0,0 +1,17 @@
+# deno-mkdirp
+
+`mkdir -p` 4 `deno`.
+
+## Import
+
+```ts
+import { mkdirp } from "https://deno.land/x/std/mkdirp/mkdirp.ts";
+```
+
+## API
+
+Same as [`deno.mkdir`](https://deno.land/typedoc/index.html#mkdir).
+
+### `mkdirp(path: string, mode?: number) : Promise<void>`
+
+Creates directories if they do not already exist and makes parent directories as needed.

mkdirp/test.ts

@@ -0,0 +1,30 @@
+import { cwd, lstat, makeTempDirSync, removeAll, FileInfo } from "deno";
+import { test, assert } from "https://deno.land/x/testing/testing.ts";
+import { mkdirp } from "./mkdirp.ts";
+
+let root: string = `${cwd()}/${Date.now()}`; //makeTempDirSync();
+
+test(async function createsNestedDirs(): Promise<void> {
+  const leaf: string = `${root}/levelx/levely`;
+  await mkdirp(leaf);
+  const info: FileInfo = await lstat(leaf);
+  assert(info.isDirectory());
+  await removeAll(root);
+});
+
+test(async function handlesAnyPathSeparator(): Promise<void> {
+  const leaf: string = `${root}\\levelx\\levely`;
+  await mkdirp(leaf);
+  const info: FileInfo = await lstat(leaf.replace(/\\/g, "/"));
+  assert(info.isDirectory());
+  await removeAll(root);
+});
+
+test(async function failsNonDir(): Promise<void> {
+  try {
+    await mkdirp("./test.ts/fest.fs");
+  } catch (err) {
+    // TODO: assert caught DenoError of kind NOT_A_DIRECTORY or similar
+    assert(err);
+  }
+});

net/file_server.ts

@@ -177,7 +177,7 @@ function guessContentType(filename: string): string {
     return contentType;
   }
 
-  return extensionsMap[''];
+  return extensionsMap[""];
 }
 
 async function serveFile(req: ServerRequest, filename: string) {

test.ts

@@ -1,4 +1,4 @@
-#!/usr/bin/env deno --allow-run --allow-net
+#!/usr/bin/env deno --allow-run --allow-net --allow-write
 import { run } from "deno";
 
 // colors tests
@@ -32,6 +32,9 @@ import "path/relative_test.ts";
 import "path/resolve_test.ts";
 import "path/zero_length_strings_test.ts";
 
+// mkdirp tests
+import "mkdirp/test.ts";
+
 // I am also too lazy to do this properly LOL
 runTests(new Promise(res => setTimeout(res, 5000)));
 (async () => {