Feat/sub-route (#38)

* blog subroute support
* docs: update readme and blog

Co-authored-by: mrhut10 <ahut10@gmail.com>

lib/utils/files.js

@@ -0,0 +1,20 @@
+import fs from 'fs'
+import path from 'path'
+
+const pipe = (...fns) => (x) => fns.reduce((v, f) => f(v), x)
+
+const flatternArray = (input) =>
+  input.reduce((acc, item) => [...acc, ...(Array.isArray(item) ? item : [item])], [])
+
+const map = (fn) => (input) => input.map(fn)
+
+const walkDir = (fullPath) => {
+  return fs.statSync(fullPath).isFile() ? fullPath : getAllFilesRecursively(fullPath)
+}
+
+const pathJoinPrefix = (prefix) => (extraPath) => path.join(prefix, extraPath)
+
+const getAllFilesRecursively = (folder) =>
+  pipe(fs.readdirSync, map(pipe(pathJoinPrefix(folder), walkDir)), flatternArray)(folder)
+
+export default getAllFilesRecursively

lib/utils/kebabCase.js

@@ -0,0 +1,8 @@
+const kebabCase = (str) =>
+  str &&
+  str
+    .match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
+    .map((x) => x.toLowerCase())
+    .join('-')
+
+export default kebabCase