fix: {docsify-ignore-all} and {docsify-ignore} bug (docsifyjs#299)

* fix {docsify-ignore-all} not work bug

* fix {docsify-ignore} bug

Author: mixj93

docs/more-pages.md

@@ -83,9 +83,9 @@ This header won't appear in the sidebar table of contents.
 To ignore all headers on a specific page, you can use `{docsify-ignore-all}` on the first header of the page.
 
 ```markdown
-# Getting Started
+# Getting Started {docsify-ignore-all}
 
-## Header {docsify-ignore-all}
+## Header
 This header won't appear in the sidebar table of contents.
 ```
 

src/core/render/compiler.js

@@ -191,11 +191,12 @@ export class Compiler {
     const currentPath = this.router.getCurrentPath()
     const { cacheTree, toc } = this
 
-    toc[0] && toc[0].ignoreAllSubs && (this.toc = [])
+    toc[0] && toc[0].ignoreAllSubs && toc.splice(0)
     toc[0] && toc[0].level === 1 && toc.shift()
-    toc.forEach((node, i) => {
-      node.ignoreSubHeading && toc.splice(i, 1)
-    })
+
+    for (let i = 0; i < toc.length; i++) {
+      toc[i].ignoreSubHeading && toc.splice(i, 1) && i--
+    }
 
     const tree = cacheTree[currentPath] || genTree(toc, level)