Fix to remove support for TLDs with 1 character

Closes: GH-4.

Author: wooorm

Diff for: index.js

@@ -147,6 +147,11 @@ export default function retextSyntaxUrls() {
       }
     }
 
+    // Exit if the TLD is only 1 character long.
+    if (toString(siblings.slice(index + 1, end + 1)).length === 1) {
+      return
+    }
+
     /** @type {Source} */
     const replacement = {type: 'SourceNode', value: toString(nodes)}
     const initial = pointStart(nodes[0])

Diff for: package.json

@@ -35,7 +35,7 @@
   "dependencies": {
     "@types/nlcst": "^1.0.0",
     "@types/unist": "^2.0.0",
-    "ccount": "^2.0.1",
+    "ccount": "^2.0.0",
     "nlcst-to-string": "^3.0.0",
     "unified": "^10.0.0",
     "unist-util-modify-children": "^3.0.0",

Diff for: test/fixtures/eg/input.txt

@@ -1 +1 @@
-(e.g. dmeshuang@yahoo.com)
+(e.g. xxxxxxxxx@yahoo.com)

Diff for: test/fixtures/eg/output.json

@@ -8,8 +8,8 @@
           "type": "SentenceNode",
           "children": [
             {
-              "type": "SourceNode",
-              "value": "(e.g",
+              "type": "PunctuationNode",
+              "value": "(",
               "position": {
                 "start": {
                   "line": 1,
@@ -18,19 +18,84 @@
                 },
                 "end": {
                   "line": 1,
-                  "column": 5,
-                  "offset": 4
+                  "column": 2,
+                  "offset": 1
                 }
               }
             },
             {
-              "type": "PunctuationNode",
-              "value": ".",
+              "type": "WordNode",
+              "children": [
+                {
+                  "type": "TextNode",
+                  "value": "e",
+                  "position": {
+                    "start": {
+                      "line": 1,
+                      "column": 2,
+                      "offset": 1
+                    },
+                    "end": {
+                      "line": 1,
+                      "column": 3,
+                      "offset": 2
+                    }
+                  }
+                },
+                {
+                  "type": "PunctuationNode",
+                  "value": ".",
+                  "position": {
+                    "start": {
+                      "line": 1,
+                      "column": 3,
+                      "offset": 2
+                    },
+                    "end": {
+                      "line": 1,
+                      "column": 4,
+                      "offset": 3
+                    }
+                  }
+                },
+                {
+                  "type": "TextNode",
+                  "value": "g",
+                  "position": {
+                    "start": {
+                      "line": 1,
+                      "column": 4,
+                      "offset": 3
+                    },
+                    "end": {
+                      "line": 1,
+                      "column": 5,
+                      "offset": 4
+                    }
+                  }
+                },
+                {
+                  "type": "PunctuationNode",
+                  "value": ".",
+                  "position": {
+                    "start": {
+                      "line": 1,
+                      "column": 5,
+                      "offset": 4
+                    },
+                    "end": {
+                      "line": 1,
+                      "column": 6,
+                      "offset": 5
+                    }
+                  }
+                }
+              ],
               "position": {
                 "start": {
                   "line": 1,
-                  "column": 5,
-                  "offset": 4
+                  "column": 2,
+                  "offset": 1
                 },
                 "end": {
                   "line": 1,
@@ -57,7 +122,7 @@
             },
             {
               "type": "SourceNode",
-              "value": "dmeshuang@yahoo.com",
+              "value": "xxxxxxxxx@yahoo.com",
               "position": {
                 "start": {
                   "line": 1,