docs：更新文档

node_modules/markdown-it-table-of-contents/test/fixtures/empty.html

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+<p><div class="table-of-contents"><ul></ul></div></p>

node_modules/markdown-it-table-of-contents/test/fixtures/full-toc-sample-result.html

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+<p>Some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#heading-2">Heading 2</a></li></ul><ul><li><a href="#heading-1">Heading 1</a></li></ul></div></p>
+<h2 id="heading-2">Heading 2</h2>
+<p>Some nice text</p>
+<h1 id="heading-1">Heading 1</h1>
+<p>Some text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/full-toc-sample.md

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+Some text with soft break before toc  
+[[toc]]
+
+## Heading 2
+Some nice text
+
+# Heading 1
+Some text

node_modules/markdown-it-table-of-contents/test/fixtures/simple-1-level.html

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+<h1>An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></div></p>
+<h2>Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2>Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-default.html

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+<h1>An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#an-article">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></li></ul></div></p>
+<h2>Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2>Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-with-anchors.html

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+<h1 id="an-article">An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#an-article">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></li></ul></div></p>
+<h2 id="sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2 id="sub-heading-2">Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-with-header-footer.html

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+<h1 id="an-article">An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><div class="header">Contents</div><ul><li><a href="#an-article">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2">Sub heading 2</a></li></ul></li></ul><div class="footer">Footer</div></div></p>
+<h2 id="sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2 id="sub-heading-2">Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple-with-transform-link.html

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+<h1 id="an-article">An article</h1>
+<p>some text with soft break before toc<br>
+<div class="table-of-contents"><ul><li><a href="#an-article&type=test">An article</a><ul><li><a href="#sub-heading-%3Cspan%3E1%3C%2Fspan%3E&type=test">Sub heading <span>1</span></a></li><li><a href="#sub-heading-2&type=test">Sub heading 2</a></li></ul></li></ul></div></p>
+<h2 id="sub-heading-%3Cspan%3E1%3C%2Fspan%3E">Sub heading &lt;span&gt;1&lt;/span&gt;</h2>
+<p>Some nice text</p>
+<h2 id="sub-heading-2">Sub heading 2</h2>
+<p>Some even nicer text</p>

node_modules/markdown-it-table-of-contents/test/fixtures/simple.md

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+# An article
+some text with soft break before toc  
+[[toc]]
+
+## Sub heading <span>1</span>
+Some nice text
+
+## Sub heading 2
+Some even nicer text

node_modules/markdown-it-table-of-contents/test/modules/test.js

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+"use strict";
+var assert = require("assert");
+var fs = require("fs");
+var MarkdownIt = require("markdown-it");
+var markdownItAnchor = require("markdown-it-anchor");
+var markdownItTOC = require("../../index");
+
+// Defaults
+var defaultContainerClass = "table-of-contents";
+var defaultMarker = "[[toc]]";
+var defaultListType = "ul";
+var defaultHeading1 = "Sub heading 1";
+
+// Fixtures
+var simpleMarkdown = fs.readFileSync("test/fixtures/simple.md", "utf-8");
+var simpleDefaultHTML = fs.readFileSync("test/fixtures/simple-default.html", "utf-8");
+var simple1LevelHTML = fs.readFileSync("test/fixtures/simple-1-level.html", "utf-8");
+var simpleWithAnchorsHTML = fs.readFileSync("test/fixtures/simple-with-anchors.html", "utf-8");
+var simpleWithHeaderFooterHTML = fs.readFileSync("test/fixtures/simple-with-header-footer.html", "utf-8");
+var simpleWithTransformLink = fs.readFileSync("test/fixtures/simple-with-transform-link.html", "utf-8");
+var emptyMarkdown = defaultMarker;
+var emptyMarkdownHtml = fs.readFileSync("test/fixtures/empty.html", "utf-8");
+var fullTocSampleMarkdown = fs.readFileSync("test/fixtures/full-toc-sample.md", "utf-8");
+var fullTocSampleHtml = fs.readFileSync("test/fixtures/full-toc-sample-result.html", "utf-8");
+
+const slugify = (s) => encodeURIComponent(String(s).trim().toLowerCase().replace(/\s+/g, '-'));
+
+describe("Testing Markdown rendering", function() {
+  var md = new MarkdownIt();
+
+  it("Parses correctly with default settings", function(done) {
+    md.use(markdownItTOC);
+    assert.equal(md.render(simpleMarkdown), simpleDefaultHTML);
+    done();
+  });
+
+  it("Parses correctly with includeLevel set", function(done) {
+    md.use(markdownItTOC, {
+      "includeLevel": [2]
+    });
+    assert.equal(md.render(simpleMarkdown), simple1LevelHTML);
+    done();
+  });
+
+  it("Parses correctly with containerClass set", function(done) {
+    var customContainerClass = "custom-container-class";
+    md.use(markdownItTOC, {
+      "containerClass": customContainerClass
+    });
+    assert.equal(md.render(simpleMarkdown), simpleDefaultHTML.replace(defaultContainerClass, customContainerClass));
+    done();
+  });
+
+  it("Parses correctly with markerPattern set", function(done) {
+    var customMarker = "[[custom-marker]]";
+    md.use(markdownItTOC, {
+      "markerPattern": /^\[\[custom-marker\]\]/im
+    });
+    assert.equal(md.render(simpleMarkdown.replace(defaultMarker, customMarker)), simpleDefaultHTML);
+    done();
+  });
+
+  it("Parses correctly with listType set", function(done) {
+    var customListType = "ol";
+    md.use(markdownItTOC, {
+      "listType": customListType
+    });
+    assert.equal(md.render(simpleMarkdown), simpleDefaultHTML.replace(new RegExp(defaultListType, "g"), customListType));
+    done();
+  });
+
+  it("Parses correctly with custom formatting", function(done) {
+    var customHeading = "Test";
+    md.use(markdownItTOC, {
+      "format": function(str) {
+        if (str === defaultHeading1) {
+          return customHeading;
+        }
+        return str;
+      }
+    });
+    assert.equal(md.render(simpleMarkdown), simpleDefaultHTML.replace(defaultHeading1, customHeading));
+    done();
+  });
+
+  it("Slugs matches markdown-it-anchor", function(done) {
+    md.use(markdownItAnchor);
+    md.use(markdownItTOC);
+    assert.equal(md.render(simpleMarkdown), simpleWithAnchorsHTML);
+    done();
+  });
+
+  it("Generates empty TOC", function(done) {
+    md.use(markdownItTOC);
+    assert.equal(md.render(emptyMarkdown), emptyMarkdownHtml);
+    done();
+  });
+
+  it("Generates full TOC, even when there is a greater header than the first header", function (done) {
+    md.use(markdownItTOC, { forceFullToc: true });
+    assert.equal(md.render(fullTocSampleMarkdown), fullTocSampleHtml);
+    done();
+  });
+
+  it("Parses correctly with container header and footer html set", function (done) {
+    md.use(markdownItTOC, 
+      { 
+        slugify,
+        containerHeaderHtml: `<div class="header">Contents</div>`,
+        containerFooterHtml: `<div class="footer">Footer</div>`, 
+      });
+    assert.equal(md.render(simpleMarkdown), simpleWithHeaderFooterHTML);
+    done();
+  });
+
+  it("Generates TOC, with custom transformed link", function (done) {
+    md.use(markdownItTOC, 
+      { 
+        slugify,
+        transformLink: (href) => {
+          return href+"&type=test";
+        },
+      });
+    assert.equal(md.render(simpleMarkdown), simpleWithTransformLink);
+    done();
+  });
+});