feature: off specific path ans subpath

Author: zhaoxuxu

.npmignore

@@ -0,0 +1 @@
+gleam

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@badeggg/mock-api",
-  "version": "0.10.0",
+  "version": "0.11.0",
   "description": "mock api",
   "main": "./src/index.js",
   "bin": {

package.json

@@ -0,0 +1,9 @@
+# Created by @zhaoxuxu at @2021-3-16
+# Last updated by @zhaoxuxu at @2021-3-16
+
+When this file exists, the mocking on this path and all subpath
+are considered 404.
+
+'OFF' or 'off' naming is fine. Other case combinations are
+file-system dependent.
+

src/fake-services/example/off

@@ -9,6 +9,14 @@ const _ = require('lodash');
  *  }
  */
 function cdOne(folder, current) {
+    const isOff = ( // turn off this fake service path
+        fs.existsSync(pathUtil.resolve(current.path, 'off'))
+        || fs.existsSync(pathUtil.resolve(current.path, 'OFF'))
+    );
+    if (isOff) {
+        return false;
+    }
+
     let testNext = pathUtil.resolve(current.path, folder);
     if (fs.existsSync(testNext) && fs.statSync(testNext).isDirectory()) {
         return _.merge({}, current, {