Attempt to fix polynomial regular expression warning in formatter-template by making the pattern more explicit.

Author: DavidAnson

formatter-template/markdownlint-cli2-formatter-template.js

@@ -3,7 +3,7 @@
 "use strict";
 
 // eslint-disable-next-line prefer-named-capture-group
-const tokenRe = /\$\{([^:!}]+)(?:([:!])([^{}]*\{[^{}]+\}[^{}]*|[^}]+))?\}/igu;
+const tokenRe = /\$\{(fileName|lineNumber|columnNumber|ruleName|ruleDescription|ruleInformation|errorContext|errorDetail)(?:([:!])([^{}]*\{[^{}]+\}[^{}]*|[^}]+))?\}/igu;
 
 // Output markdownlint-cli2 results using a template
 const outputFormatter = (options, params) => {

test/snapshots/markdownlint-cli2-test-exec.js.md

@@ -5139,11 +5139,11 @@ Generated by [AVA](https://avajs.dev).
       ##vso[task.logissue type=error;sourcepath=viewme.md;linenumber=6;code=MD025/single-title/single-h1]Multiple top-level headings in the same document␊
       ##vso[task.logissue type=error;sourcepath=viewme.md;linenumber=12;columnumber=4;code=MD019/no-multiple-space-atx]Multiple spaces after hash on atx style heading␊
       ##vso[task.logissue type=error;sourcepath=viewme.md;linenumber=14;columnumber=14;code=MD047/single-trailing-newline]Files should end with a single newline character␊
-      #Undefined=#Column=10#Column=10##Column=10#␊
-      #Undefined=#Column=##No column number#No column number#␊
-      #Undefined=#Column=##No column number#No column number#␊
-      #Undefined=#Column=4#Column=4##Column=4#␊
-      #Undefined=#Column=14#Column=14##Column=14#`,
+      #Undefined=${undefined}#Column=10#Column=10##Column=10#␊
+      #Undefined=${undefined}#Column=##No column number#No column number#␊
+      #Undefined=${undefined}#Column=##No column number#No column number#␊
+      #Undefined=${undefined}#Column=4#Column=4##Column=4#␊
+      #Undefined=${undefined}#Column=14#Column=14##Column=14#`,
       stdout: `markdownlint-cli2 vX.Y.Z (markdownlint vX.Y.Z)␊
       Finding: **/*.md␊
       Linting: 1 file(s)␊

test/snapshots/markdownlint-cli2-test-exec.js.snap

@@ -4377,11 +4377,11 @@ Generated by [AVA](https://avajs.dev).
       ##vso[task.logissue type=error;sourcepath=viewme.md;linenumber=6;code=MD025/single-title/single-h1]Multiple top-level headings in the same document␊
       ##vso[task.logissue type=error;sourcepath=viewme.md;linenumber=12;columnumber=4;code=MD019/no-multiple-space-atx]Multiple spaces after hash on atx style heading␊
       ##vso[task.logissue type=error;sourcepath=viewme.md;linenumber=14;columnumber=14;code=MD047/single-trailing-newline]Files should end with a single newline character␊
-      #Undefined=#Column=10#Column=10##Column=10#␊
-      #Undefined=#Column=##No column number#No column number#␊
-      #Undefined=#Column=##No column number#No column number#␊
-      #Undefined=#Column=4#Column=4##Column=4#␊
-      #Undefined=#Column=14#Column=14##Column=14#␊
+      #Undefined=${undefined}#Column=10#Column=10##Column=10#␊
+      #Undefined=${undefined}#Column=##No column number#No column number#␊
+      #Undefined=${undefined}#Column=##No column number#No column number#␊
+      #Undefined=${undefined}#Column=4#Column=4##Column=4#␊
+      #Undefined=${undefined}#Column=14#Column=14##Column=14#␊
       `,
       stdout: `markdownlint-cli2 vX.Y.Z (markdownlint vX.Y.Z)␊
       Finding: **/*.md␊