From e605fff301f80a0d00143cc9b28425cb66df6bc0 Mon Sep 17 00:00:00 2001
From: i544693 <369491420@qq.com>
Date: Sun, 5 Jun 2022 17:06:18 +0800
Subject: [PATCH] feat: plugin hook.

---
 index.html                  | 19 +++++++++++++++--
 src/core/init/lifecycle.js  | 41 +++++++++++++++++++++++++++++--------
 src/plugins/search/index.js |  4 ++--
 3 files changed, 52 insertions(+), 12 deletions(-)

diff --git a/index.html b/index.html
index 1e112b233..ccd266270 100644
--- a/index.html
+++ b/index.html
@@ -87,7 +87,7 @@
         plugins: [
           DocsifyCarbon.create('CEBI6KQE', 'docsifyjsorg'),
           function (hook, vm) {
-            hook.beforeEach(function (html) {
+            let demo = (html, matchedPluginHooks =[]) => {
               if (/githubusercontent\.com/.test(vm.route.file)) {
                 url = vm.route.file
                   .replace('raw.githubusercontent.com', 'github.com')
@@ -101,7 +101,14 @@
                   'https://github.com/docsifyjs/docsify/blob/develop/docs/' +
                   vm.route.file;
               }
+             
               var editHtml = '[:memo: Edit Document](' + url + ')\n';
+              // matchedPluginHooks[0](editHtml)
+              matchedPluginHooks.forEach(hook=>{
+                if(typeof hook === 'function'){
+                  hook(html, 10086)
+                }
+              })
               return (
                 editHtml +
                 html +
@@ -109,7 +116,15 @@
                 '<a href="https://docsify.js.org" target="_blank" style="color: inherit; font-weight: normal; text-decoration: none;">Powered by docsify</a>\n\n' +
                 '<a href="https://vercel.com/?utm_source=docsifyjs&utm_campaign=oss" target="_blank" title="Vercel has given us a Pro account"><img src="/docs/_media/powered-by-vercel.svg" alt="Vercel" width="150"></a>'
               );
-            });
+            }
+            demo.enableDocsifyPluginHook=true
+            demo.pluginMeta = {
+              name:"koy"
+            }
+            hook.beforeEach( 
+              demo
+            
+            );
           },
         ],
       };
diff --git a/src/core/init/lifecycle.js b/src/core/init/lifecycle.js
index 94a3981fe..c9d1d217b 100644
--- a/src/core/init/lifecycle.js
+++ b/src/core/init/lifecycle.js
@@ -1,4 +1,4 @@
-import { noop } from '../util/core';
+import { isFn, noop } from '../util/core';
 
 /** @typedef {import('../Docsify').Constructor} Constructor */
 
@@ -27,24 +27,49 @@ export function Lifecycle(Base) {
       });
     }
 
-    callHook(hookName, data, next = noop) {
+    callHook(hookName, data, next = noop, registeredPluginHooks = []) {
+      // let myPredictor = (meta)=>{
+      //   return true;
+      // }
+
+      // let myWorker = (ctx, number) => {
+      //   console.log(`Current ctx is ${ctx}`)
+      //   console.log(`Current number is ${number}`)
+      // }
+      // registeredPluginHooks.push({predicator:myPredictor, operator:myWorker})
+
       const queue = this._hooks[hookName];
       const catchPluginErrors = this.config.catchPluginErrors;
 
       const step = function (index) {
         const hookFn = queue[index];
-
+        let matchedPluginHooks = [];
         if (index >= queue.length) {
           next(data);
         } else if (typeof hookFn === 'function') {
           const errTitle = 'Docsify plugin error';
+          // find all matched pluginHook
+
+          if (hookFn.enableDocsifyPluginHook) {
+            registeredPluginHooks.forEach(registeredPluginHook => {
+              const pluginMeta = hookFn.pluginMeta || {};
+              const hookPredicator = registeredPluginHook.predicator;
+              isFn(hookPredicator) &&
+                hookPredicator(pluginMeta) &&
+                matchedPluginHooks.push(registeredPluginHook.operator);
+            });
+          }
 
           if (hookFn.length === 2) {
             try {
-              hookFn(data, result => {
-                data = result;
-                step(index + 1);
-              });
+              hookFn(
+                data,
+                result => {
+                  data = result;
+                  step(index + 1);
+                },
+                matchedPluginHooks
+              );
             } catch (err) {
               if (catchPluginErrors) {
                 console.error(errTitle, err);
@@ -56,7 +81,7 @@ export function Lifecycle(Base) {
             }
           } else {
             try {
-              const result = hookFn(data);
+              const result = hookFn(data, matchedPluginHooks);
 
               data = result === undefined ? data : result;
               step(index + 1);
diff --git a/src/plugins/search/index.js b/src/plugins/search/index.js
index c3bdab96e..c1b284492 100644
--- a/src/plugins/search/index.js
+++ b/src/plugins/search/index.js
@@ -13,7 +13,7 @@ const CONFIG = {
   pathNamespaces: undefined,
 };
 
-const install = function (hook, vm) {
+const search1 = (hook, vm) => {
   const { util } = Docsify;
   const opts = vm.config.search || CONFIG;
 
@@ -43,4 +43,4 @@ const install = function (hook, vm) {
   });
 };
 
-$docsify.plugins = [].concat(install, $docsify.plugins);
+$docsify.plugins = [].concat(search1, $docsify.plugins);