修复生成markdown表头长度问题 (#172)

test/v2m_test.go

@@ -153,7 +153,7 @@ func TestVditorDOM2Md(t *testing.T) {
 
 var vditorIRDOM2MdTests = []parseTest{
 
-	{"11", "<table data-type=\"table\" data-node-id=\"20201028173434-2i1b4ah\"><thead><tr><th>foo</th></tr></thead><tbody><tr><td>bar *baz*<wbr></td></tr></tbody></table>", "| foo       |\n| ----------- |\n| bar *baz* |\n"},
+	{"11", "<table data-type=\"table\" data-node-id=\"20201028173434-2i1b4ah\"><thead><tr><th>foo</th></tr></thead><tbody><tr><td>bar *baz*<wbr></td></tr></tbody></table>", "| foo       |\n| --------- |\n| bar *baz* |\n"},
 	{"10", "<ul data-tight=\"true\" data-marker=\"-\"><li data-marker=\"-\" class=\"vditor-task\" data-node-id=\"\"><input checked=\"\" type=\"checkbox\"></li></ul>", "\n"},
 	{"9", "<ul data-tight=\"true\" data-marker=\"*\"><li data-marker=\"*\">foo<div data-type=\"code-block\" class=\"vditor-ir__node\"><span data-type=\"code-block-open-marker\">```</span><span class=\"vditor-ir__marker vditor-ir__marker--info\" data-type=\"code-block-info\">​</span><pre class=\"vditor-ir__marker--pre vditor-ir__marker\"><code>bar\n</code></pre><pre class=\"vditor-ir__preview\" data-render=\"1\"><div class=\"vditor-copy\"><textarea></textarea><span aria-label=\"复制\" onmouseover=\"this.setAttribute('aria-label', '复制')\" class=\"b3-tooltips b3-tooltips__w\" onclick=\"this.previousElementSibling.select();document.execCommand('copy');this.setAttribute('aria-label', '已复制')\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 32 32\" width=\"32px\" height=\"32px\"> <path d=\"M28.681 11.159c-0.694-0.947-1.662-2.053-2.724-3.116s-2.169-2.030-3.116-2.724c-1.612-1.182-2.393-1.319-2.841-1.319h-11.5c-1.379 0-2.5 1.121-2.5 2.5v23c0 1.378 1.121 2.5 2.5 2.5h19c1.378 0 2.5-1.122 2.5-2.5v-15.5c0-0.448-0.137-1.23-1.319-2.841zM24.543 9.457c0.959 0.959 1.712 1.825 2.268 2.543h-4.811v-4.811c0.718 0.556 1.584 1.309 2.543 2.268v0zM28 29.5c0 0.271-0.229 0.5-0.5 0.5h-19c-0.271 0-0.5-0.229-0.5-0.5v-23c0-0.271 0.229-0.5 0.5-0.5 0 0 11.499-0 11.5 0v7c0 0.552 0.448 1 1 1h7v15.5zM18.841 1.319c-1.612-1.182-2.393-1.319-2.841-1.319h-11.5c-1.378 0-2.5 1.121-2.5 2.5v23c0 1.207 0.86 2.217 2 2.45v-25.45c0-0.271 0.229-0.5 0.5-0.5h15.215c-0.301-0.248-0.595-0.477-0.873-0.681z\"></path> </svg></span></div><code class=\"hljs nginx\"><span class=\"hljs-attribute\">bar</span>\n</code></pre><span data-type=\"code-block-close-marker\">```</span></div>ba<wbr></li></ul>", "* foo\n  ```\n  bar\n  ```\n  ba\n"},
 	{"8", "<ul data-marker=\"*\"><li data-marker=\"*\"><p>foo</p><div data-type=\"code-block\" class=\"vditor-ir__node\"><span data-type=\"code-block-open-marker\">```</span><span class=\"vditor-ir__marker vditor-ir__marker--info\" data-type=\"code-block-info\">​</span><pre class=\"vditor-ir__marker--pre vditor-ir__marker\"><code>bar\n</code></pre><pre class=\"vditor-ir__preview\" data-render=\"1\"><div class=\"vditor-copy\"><textarea></textarea><span aria-label=\"复制\" onmouseover=\"this.setAttribute('aria-label', '复制')\" class=\"b3-tooltips b3-tooltips__w\" onclick=\"this.previousElementSibling.select();document.execCommand('copy');this.setAttribute('aria-label', '已复制')\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 32 32\" width=\"32px\" height=\"32px\"> <path d=\"M28.681 11.159c-0.694-0.947-1.662-2.053-2.724-3.116s-2.169-2.030-3.116-2.724c-1.612-1.182-2.393-1.319-2.841-1.319h-11.5c-1.379 0-2.5 1.121-2.5 2.5v23c0 1.378 1.121 2.5 2.5 2.5h19c1.378 0 2.5-1.122 2.5-2.5v-15.5c0-0.448-0.137-1.23-1.319-2.841zM24.543 9.457c0.959 0.959 1.712 1.825 2.268 2.543h-4.811v-4.811c0.718 0.556 1.584 1.309 2.543 2.268v0zM28 29.5c0 0.271-0.229 0.5-0.5 0.5h-19c-0.271 0-0.5-0.229-0.5-0.5v-23c0-0.271 0.229-0.5 0.5-0.5 0 0 11.499-0 11.5 0v7c0 0.552 0.448 1 1 1h7v15.5zM18.841 1.319c-1.612-1.182-2.393-1.319-2.841-1.319h-11.5c-1.378 0-2.5 1.121-2.5 2.5v23c0 1.207 0.86 2.217 2 2.45v-25.45c0-0.271 0.229-0.5 0.5-0.5h15.215c-0.301-0.248-0.595-0.477-0.873-0.681z\"></path> </svg></span></div><code class=\"hljs nginx\" style=\"max-height: 1000px;\"><span class=\"hljs-attribute\">bar</span>\n</code></pre><span data-type=\"code-block-close-marker\">```</span></div><p>baz</p><div data-type=\"code-block\" class=\"vditor-ir__node\"><span data-type=\"code-block-open-marker\">```</span><span class=\"vditor-ir__marker vditor-ir__marker--info\" data-type=\"code-block-info\">​</span><pre class=\"vditor-ir__marker--pre vditor-ir__marker\"><code>b<wbr></code></pre><pre class=\"vditor-ir__preview\" data-render=\"1\"><div class=\"vditor-copy\"><textarea></textarea><span aria-label=\"复制\" onmouseover=\"this.setAttribute('aria-label', '复制')\" class=\"b3-tooltips b3-tooltips__w\" onclick=\"this.previousElementSibling.select();document.execCommand('copy');this.setAttribute('aria-label', '已复制')\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 32 32\" width=\"32px\" height=\"32px\"> <path d=\"M28.681 11.159c-0.694-0.947-1.662-2.053-2.724-3.116s-2.169-2.030-3.116-2.724c-1.612-1.182-2.393-1.319-2.841-1.319h-11.5c-1.379 0-2.5 1.121-2.5 2.5v23c0 1.378 1.121 2.5 2.5 2.5h19c1.378 0 2.5-1.122 2.5-2.5v-15.5c0-0.448-0.137-1.23-1.319-2.841zM24.543 9.457c0.959 0.959 1.712 1.825 2.268 2.543h-4.811v-4.811c0.718 0.556 1.584 1.309 2.543 2.268v0zM28 29.5c0 0.271-0.229 0.5-0.5 0.5h-19c-0.271 0-0.5-0.229-0.5-0.5v-23c0-0.271 0.229-0.5 0.5-0.5 0 0 11.499-0 11.5 0v7c0 0.552 0.448 1 1 1h7v15.5zM18.841 1.319c-1.612-1.182-2.393-1.319-2.841-1.319h-11.5c-1.378 0-2.5 1.121-2.5 2.5v23c0 1.207 0.86 2.217 2 2.45v-25.45c0-0.271 0.229-0.5 0.5-0.5h15.215c-0.301-0.248-0.595-0.477-0.873-0.681z\"></path> </svg></span></div><code class=\"hljs\"></code></pre><span data-type=\"code-block-close-marker\">```</span></div></li></ul>", "* foo\n\n  ```\n  bar\n  ```\n  baz\n\n  ```\n  b\n  ```\n"},

vditor_ir.go

@@ -631,6 +631,7 @@ func (lute *Lute) genASTByVditorIRDOM(n *html.Node, tree *parse.Tree) {
 			tableAlign = 0
 		}
 		node.TableCellAlign = tableAlign
+		node.Tokens = nil
 		tree.Context.Tip.AppendChild(node)
 		tree.Context.Tip = node
 		defer tree.Context.ParentTip()