feat: publicize doc implemetation

one/build/watch.js

@@ -0,0 +1,33 @@
+import { resolve } from 'path'
+import { debounce } from 'lodash'
+import chokidar from 'chokidar'
+import { generatePages } from './generator'
+
+let watcher = chokidar.watch(resolve(__dirname, '../docs'), {
+  ignoreInitial: true
+})
+
+watcher
+  .on('all', debounce(generate, 1000))
+
+function generate (type, path) {
+  switch (type) {
+    case 'add':
+      generatePages(path, { dir: false, remove: false })
+      break
+    case 'addDir':
+      generatePages(path, { dir: true, remove: false })
+      break
+    case 'change':
+      generatePages(path)
+      break
+    case 'unlink':
+      generatePages(path, { dir: false, remove: true })
+      break
+    case 'unlinkDir':
+      generatePages(path, { dir: true, remove: true })
+      break
+    default:
+      break
+  }
+}