Reimplement MD021/no-multiple-space-closed-atx using micromark tokens.

2025-09-22 05:40:48 +02:00 · 2024-06-15 15:45:04 -07:00 · 2024-06-15 15:45:04 -07:00 · 0b165c1566
commit 0b165c1566
parent e3ca9b1755
8 changed files with 393 additions and 219 deletions
--- a/demo/markdownlint-browser.js
+++ b/demo/markdownlint-browser.js
@ -312,17 +312,6 @@ function indentFor(token) {
 }
 module.exports.indentFor = indentFor;

-// Returns the heading style for a heading token
-module.exports.headingStyleFor = function headingStyleFor(token) {
-  if ((token.map[1] - token.map[0]) === 1) {
-    if (/[^\\]#\s*$/.test(token.line)) {
-      return "atx_closed";
-    }
-    return "atx";
-  }
-  return "setext";
-};
-
 /**
 * Return the string representation of an unordered list marker.
 *
@ -4264,8 +4253,8 @@ module.exports = {
          onError,
          atxHeading.startLine,
          atxHeading.text.trim(),
-          undefined,
-          undefined,
+          true,
+          false,
          [ column, length ],
          {
            "editColumn": column,
@ -4367,10 +4356,8 @@ module.exports = {



-const { addErrorContext, filterTokens, headingStyleFor } =
-  __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
-
-const closedAtxRe = /^(#+)([ \t]+)([^ \t]|[^ \t].*[^ \t])([ \t]+)(#+)(\s*)$/;
+const { addErrorContext } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
+const { filterByTypes, getHeadingStyle } = __webpack_require__(/*! ../helpers/micromark.cjs */ "../helpers/micromark.cjs");
  
 // eslint-disable-next-line jsdoc/valid-types
 /** @type import("./markdownlint").Rule */
@ -4378,55 +4365,65 @@ module.exports = {
  "names": [ "MD021", "no-multiple-space-closed-atx" ],
  "description": "Multiple spaces inside hashes on closed atx style heading",
  "tags": [ "headings", "atx_closed", "spaces" ],
-  "parser": "markdownit",
+  "parser": "micromark",
  "function": function MD021(params, onError) {
-    filterTokens(params, "heading_open", (token) => {
-      if (headingStyleFor(token) === "atx_closed") {
-        const { line, lineNumber } = token;
-        const match = closedAtxRe.exec(line);
-        if (match) {
-          const [
-            ,
-            leftHash,
-            { "length": leftSpaceLength },
-            content,
-            { "length": rightSpaceLength },
-            rightHash,
-            { "length": trailSpaceLength }
-          ] = match;
-          const left = leftSpaceLength > 1;
-          const right = rightSpaceLength > 1;
-          if (left || right) {
-            const length = line.length;
-            const leftHashLength = leftHash.length;
-            const rightHashLength = rightHash.length;
-            const range = left ?
-              [
-                1,
-                leftHashLength + leftSpaceLength + 1
-              ] :
-              [
-                length - trailSpaceLength - rightHashLength - rightSpaceLength,
-                rightSpaceLength + rightHashLength + 1
-              ];
+    const atxHeadings = filterByTypes(
+      params.parsers.micromark.tokens,
+      [ "atxHeading" ]
+    ).filter((heading) => getHeadingStyle(heading) === "atx_closed");
+    for (const atxHeading of atxHeadings) {
+      const [ atxHeadingSequenceStart, whitespaceStart ] = atxHeading.children;
+      if (
+        (atxHeadingSequenceStart?.type === "atxHeadingSequence") &&
+        (whitespaceStart?.type === "whitespace") &&
+        (whitespaceStart.text.length > 1)
+      ) {
+        const column = whitespaceStart.startColumn + 1;
+        const length = whitespaceStart.endColumn - column;
        addErrorContext(
          onError,
-              lineNumber,
-              line.trim(),
-              left,
-              right,
-              range,
+          atxHeading.startLine,
+          atxHeading.text.trim(),
+          true,
+          false,
+          [ column, length ],
          {
-                "editColumn": 1,
-                "deleteCount": length,
-                "insertText": `${leftHash} ${content} ${rightHash}`
+            "editColumn": column,
+            "deleteCount": length
+          }
+        );
+      }
+      let endSequenceIndex = atxHeading.children.length - 1;
+      while (
+        (endSequenceIndex > 1) &&
+        (atxHeading.children[endSequenceIndex].type !== "atxHeadingSequence")
+      ) {
+        endSequenceIndex--;
+      }
+      const atxHeadingSequenceEnd = atxHeading.children.at(endSequenceIndex);
+      const whitespaceEnd = atxHeading.children.at(endSequenceIndex - 1);
+      if (
+        (atxHeadingSequenceEnd?.type === "atxHeadingSequence") &&
+        (whitespaceEnd?.type === "whitespace") &&
+        (whitespaceEnd.text.length > 1)
+      ) {
+        const column = whitespaceEnd.startColumn + 1;
+        const length = whitespaceEnd.endColumn - column;
+        addErrorContext(
+          onError,
+          atxHeading.startLine,
+          atxHeading.text.trim(),
+          false,
+          true,
+          [ column, length ],
+          {
+            "editColumn": column,
+            "deleteCount": length
          }
        );
      }
    }
  }
-    });
-  }
 };


--- a/helpers/helpers.js
+++ b/helpers/helpers.js
@ -300,17 +300,6 @@ function indentFor(token) {
 }
 module.exports.indentFor = indentFor;

-// Returns the heading style for a heading token
-module.exports.headingStyleFor = function headingStyleFor(token) {
-  if ((token.map[1] - token.map[0]) === 1) {
-    if (/[^\\]#\s*$/.test(token.line)) {
-      return "atx_closed";
-    }
-    return "atx";
-  }
-  return "setext";
-};
-
 /**
 * Return the string representation of an unordered list marker.
 *
--- a/lib/md019.js
+++ b/lib/md019.js
@ -30,8 +30,8 @@ module.exports = {
          onError,
          atxHeading.startLine,
          atxHeading.text.trim(),
-          undefined,
-          undefined,
+          true,
+          false,
          [ column, length ],
          {
            "editColumn": column,
--- a/lib/md021.js
+++ b/lib/md021.js
@ -2,10 +2,8 @@

 "use strict";

-const { addErrorContext, filterTokens, headingStyleFor } =
-  require("../helpers");
-
-const closedAtxRe = /^(#+)([ \t]+)([^ \t]|[^ \t].*[^ \t])([ \t]+)(#+)(\s*)$/;
+const { addErrorContext } = require("../helpers");
+const { filterByTypes, getHeadingStyle } = require("../helpers/micromark.cjs");
  
 // eslint-disable-next-line jsdoc/valid-types
 /** @type import("./markdownlint").Rule */
@ -13,53 +11,63 @@ module.exports = {
  "names": [ "MD021", "no-multiple-space-closed-atx" ],
  "description": "Multiple spaces inside hashes on closed atx style heading",
  "tags": [ "headings", "atx_closed", "spaces" ],
-  "parser": "markdownit",
+  "parser": "micromark",
  "function": function MD021(params, onError) {
-    filterTokens(params, "heading_open", (token) => {
-      if (headingStyleFor(token) === "atx_closed") {
-        const { line, lineNumber } = token;
-        const match = closedAtxRe.exec(line);
-        if (match) {
-          const [
-            ,
-            leftHash,
-            { "length": leftSpaceLength },
-            content,
-            { "length": rightSpaceLength },
-            rightHash,
-            { "length": trailSpaceLength }
-          ] = match;
-          const left = leftSpaceLength > 1;
-          const right = rightSpaceLength > 1;
-          if (left || right) {
-            const length = line.length;
-            const leftHashLength = leftHash.length;
-            const rightHashLength = rightHash.length;
-            const range = left ?
-              [
-                1,
-                leftHashLength + leftSpaceLength + 1
-              ] :
-              [
-                length - trailSpaceLength - rightHashLength - rightSpaceLength,
-                rightSpaceLength + rightHashLength + 1
-              ];
+    const atxHeadings = filterByTypes(
+      params.parsers.micromark.tokens,
+      [ "atxHeading" ]
+    ).filter((heading) => getHeadingStyle(heading) === "atx_closed");
+    for (const atxHeading of atxHeadings) {
+      const [ atxHeadingSequenceStart, whitespaceStart ] = atxHeading.children;
+      if (
+        (atxHeadingSequenceStart?.type === "atxHeadingSequence") &&
+        (whitespaceStart?.type === "whitespace") &&
+        (whitespaceStart.text.length > 1)
+      ) {
+        const column = whitespaceStart.startColumn + 1;
+        const length = whitespaceStart.endColumn - column;
        addErrorContext(
          onError,
-              lineNumber,
-              line.trim(),
-              left,
-              right,
-              range,
+          atxHeading.startLine,
+          atxHeading.text.trim(),
+          true,
+          false,
+          [ column, length ],
          {
-                "editColumn": 1,
-                "deleteCount": length,
-                "insertText": `${leftHash} ${content} ${rightHash}`
+            "editColumn": column,
+            "deleteCount": length
+          }
+        );
+      }
+      let endSequenceIndex = atxHeading.children.length - 1;
+      while (
+        (endSequenceIndex > 1) &&
+        (atxHeading.children[endSequenceIndex].type !== "atxHeadingSequence")
+      ) {
+        endSequenceIndex--;
+      }
+      const atxHeadingSequenceEnd = atxHeading.children.at(endSequenceIndex);
+      const whitespaceEnd = atxHeading.children.at(endSequenceIndex - 1);
+      if (
+        (atxHeadingSequenceEnd?.type === "atxHeadingSequence") &&
+        (whitespaceEnd?.type === "whitespace") &&
+        (whitespaceEnd.text.length > 1)
+      ) {
+        const column = whitespaceEnd.startColumn + 1;
+        const length = whitespaceEnd.endColumn - column;
+        addErrorContext(
+          onError,
+          atxHeading.startLine,
+          atxHeading.text.trim(),
+          false,
+          true,
+          [ column, length ],
+          {
+            "editColumn": column,
+            "deleteCount": length
          }
        );
      }
    }
  }
-    });
-  }
 };
--- a/test/markdownlint-test-helpers.js
+++ b/test/markdownlint-test-helpers.js
@ -977,3 +977,11 @@ test("endOfLineGemojiCodeRe", async(t) => {
    t.true(helpers.endOfLineGemojiCodeRe.test(`-:${emoji}:`), emoji);
  }
 });
+
+test("ellipsify", (t) => {
+  t.is(helpers.ellipsify("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), "abcdefghijklmnopqrstuvwxyzABCD...");
+  t.is(helpers.ellipsify("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", false, false), "abcdefghijklmnopqrstuvwxyzABCD...");
+  t.is(helpers.ellipsify("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", true, false), "abcdefghijklmnopqrstuvwxyzABCD...");
+  t.is(helpers.ellipsify("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", false, true), "...wxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
+  t.is(helpers.ellipsify("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", true, true), "abcdefghijklmno...LMNOPQRSTUVWXYZ");
+});
--- a/test/markdownlint-test-result-object.js
+++ b/test/markdownlint-test-result-object.js
@ -167,8 +167,8 @@ test("resultFormattingV1", (t) => new Promise((resolve) => {
            "Multiple spaces inside hashes on closed atx style heading",
          "ruleInformation": `${homepage}/blob/v${version}/doc/md021.md`,
          "errorDetail": null,
-          "errorContext": "#  Multiple spa...tyle heading  #",
-          "errorRange": [ 1, 4 ] }
+          "errorContext": "#  Multiple spaces inside hash...",
+          "errorRange": [ 3, 1 ] }
      ],
      "./test/atx_heading_spacing.md": [
        { "lineNumber": 1,
@ -237,7 +237,7 @@ test("resultFormattingV1", (t) => new Promise((resolve) => {
      " [Context: \"## Heading\"]\n" +
      "truncate: 1: MD021/no-multiple-space-closed-atx" +
      " Multiple spaces inside hashes on closed atx style heading" +
-      " [Context: \"#  Multiple spa...tyle heading  #\"]";
+      " [Context: \"#  Multiple spaces inside hash...\"]";
    t.is(actualMessage, expectedMessage, "Incorrect message.");
    resolve();
  });
@ -270,8 +270,8 @@ test("resultFormattingV2", (t) => new Promise((resolve) => {
            "Multiple spaces inside hashes on closed atx style heading",
          "ruleInformation": `${homepage}/blob/v${version}/doc/md021.md`,
          "errorDetail": null,
-          "errorContext": "#  Multiple spa...tyle heading  #",
-          "errorRange": [ 1, 4 ] }
+          "errorContext": "#  Multiple spaces inside hash...",
+          "errorRange": [ 3, 1 ] }
      ],
      "./test/atx_heading_spacing.md": [
        { "lineNumber": 1,
@ -336,7 +336,7 @@ test("resultFormattingV2", (t) => new Promise((resolve) => {
      " [Context: \"## Heading\"]\n" +
      "truncate: 1: MD021/no-multiple-space-closed-atx" +
      " Multiple spaces inside hashes on closed atx style heading" +
-      " [Context: \"#  Multiple spa...tyle heading  #\"]";
+      " [Context: \"#  Multiple spaces inside hash...\"]";
    t.is(actualMessage, expectedMessage, "Incorrect message.");
    resolve();
  });
--- a/test/snapshots/markdownlint-test-scenarios.js.md
+++ b/test/snapshots/markdownlint-test-scenarios.js.md
@ -524,13 +524,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##  Multiple spaces E {MD021} ...',
          errorDetail: null,
          errorRange: [
+            4,
            1,
-            5,
          ],
          fixInfo: {
-            deleteCount: 32,
-            editColumn: 1,
-            insertText: '## Multiple spaces E {MD021} ##',
+            deleteCount: 1,
+            editColumn: 4,
          },
          lineNumber: 22,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -544,13 +543,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '... Multiple spaces F {MD021}  ##',
          errorDetail: null,
          errorRange: [
-            28,
-            5,
+            30,
+            1,
          ],
          fixInfo: {
-            deleteCount: 32,
-            editColumn: 1,
-            insertText: '## Multiple spaces F {MD021} ##',
+            deleteCount: 1,
+            editColumn: 30,
          },
          lineNumber: 24,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -2701,13 +2699,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##    Heading 5 {MD021} ##',
          errorDetail: null,
          errorRange: [
-            1,
-            7,
+            4,
+            3,
          ],
          fixInfo: {
-            deleteCount: 28,
-            editColumn: 1,
-            insertText: '## Heading 5 {MD021} ##',
+            deleteCount: 3,
+            editColumn: 4,
          },
          lineNumber: 15,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -2721,13 +2718,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '## Heading 6 {MD021}   ##',
          errorDetail: null,
          errorRange: [
-            20,
-            6,
+            22,
+            2,
          ],
          fixInfo: {
-            deleteCount: 27,
-            editColumn: 1,
-            insertText: '## Heading 6 {MD021} ##',
+            deleteCount: 2,
+            editColumn: 22,
          },
          lineNumber: 17,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -2741,13 +2737,31 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##    Heading 7 {MD021}   ##',
          errorDetail: null,
          errorRange: [
-            1,
-            7,
+            4,
+            3,
          ],
          fixInfo: {
-            deleteCount: 30,
-            editColumn: 1,
-            insertText: '## Heading 7 {MD021} ##',
+            deleteCount: 3,
+            editColumn: 4,
+          },
+          lineNumber: 19,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '##    Heading 7 {MD021}   ##',
+          errorDetail: null,
+          errorRange: [
+            25,
+            2,
+          ],
+          fixInfo: {
+            deleteCount: 2,
+            editColumn: 25,
          },
          lineNumber: 19,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -2772,11 +2786,11 @@ Generated by [AVA](https://avajs.dev).
      ␊
      ## Heading 5 {MD020} ##␊
      ␊
-      ## Heading 5 {MD021} ##␊
+      ## Heading 5 {MD021} ##  ␊
      ␊
-      ## Heading 6 {MD021} ##␊
+      ## Heading 6 {MD021} ##  ␊
      ␊
-      ## Heading 7 {MD021} ##␊
+      ## Heading 7 {MD021} ##  ␊
      `,
    }

@ -2850,13 +2864,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##  Heading 4 {MD021} ##',
          errorDetail: null,
          errorRange: [
+            4,
            1,
-            5,
          ],
          fixInfo: {
-            deleteCount: 24,
-            editColumn: 1,
-            insertText: '## Heading 4 {MD021} ##',
+            deleteCount: 1,
+            editColumn: 4,
          },
          lineNumber: 7,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -2870,13 +2883,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '## Heading 5 {MD021}  ##',
          errorDetail: null,
          errorRange: [
-            20,
-            5,
+            22,
+            1,
          ],
          fixInfo: {
-            deleteCount: 24,
-            editColumn: 1,
-            insertText: '## Heading 5 {MD021} ##',
+            deleteCount: 1,
+            editColumn: 22,
          },
          lineNumber: 9,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -2890,13 +2902,31 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##  Heading 6 {MD021}  ##',
          errorDetail: null,
          errorRange: [
+            4,
            1,
-            5,
          ],
          fixInfo: {
-            deleteCount: 25,
-            editColumn: 1,
-            insertText: '## Heading 6 {MD021} ##',
+            deleteCount: 1,
+            editColumn: 4,
+          },
+          lineNumber: 11,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '##  Heading 6 {MD021}  ##',
+          errorDetail: null,
+          errorRange: [
+            23,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 23,
          },
          lineNumber: 11,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -2910,13 +2940,31 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##   Heading 7 {MD021}   ##',
          errorDetail: null,
          errorRange: [
-            1,
-            6,
+            4,
+            2,
          ],
          fixInfo: {
-            deleteCount: 27,
-            editColumn: 1,
-            insertText: '## Heading 7 {MD021} ##',
+            deleteCount: 2,
+            editColumn: 4,
+          },
+          lineNumber: 13,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '##   Heading 7 {MD021}   ##',
+          errorDetail: null,
+          errorRange: [
+            24,
+            2,
+          ],
+          fixInfo: {
+            deleteCount: 2,
+            editColumn: 24,
          },
          lineNumber: 13,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -7035,16 +7083,34 @@ Generated by [AVA](https://avajs.dev).
          ],
        },
        {
-          errorContext: '#  Heading 7 {M...021} {MD003}  #',
+          errorContext: '#  Heading 7 {MD021} {MD003}  ...',
          errorDetail: null,
          errorRange: [
+            3,
            1,
-            4,
          ],
          fixInfo: {
-            deleteCount: 31,
-            editColumn: 1,
-            insertText: '# Heading 7 {MD021} {MD003} #',
+            deleteCount: 1,
+            editColumn: 3,
+          },
+          lineNumber: 31,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '...  Heading 7 {MD021} {MD003}  #',
+          errorDetail: null,
+          errorRange: [
+            30,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 30,
          },
          lineNumber: 31,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -15927,16 +15993,34 @@ Generated by [AVA](https://avajs.dev).
          ],
        },
        {
-          errorContext: '##  Extra Norma...th) {MD021}  ##',
+          errorContext: '##  Extra Normal space (both) ...',
          errorDetail: null,
          errorRange: [
+            4,
            1,
-            5,
          ],
          fixInfo: {
-            deleteCount: 41,
-            editColumn: 1,
-            insertText: '## Extra Normal space (both) {MD021} ##',
+            deleteCount: 1,
+            editColumn: 4,
+          },
+          lineNumber: 29,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '...ormal space (both) {MD021}  ##',
+          errorDetail: null,
+          errorRange: [
+            39,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 39,
          },
          lineNumber: 29,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -15950,13 +16034,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##		Extra tab (left) {MD021} #...',
          errorDetail: null,
          errorRange: [
+            4,
            1,
-            5,
          ],
          fixInfo: {
-            deleteCount: 31,
-            editColumn: 1,
-            insertText: '## Extra tab (left) {MD021} ##',
+            deleteCount: 1,
+            editColumn: 4,
          },
          lineNumber: 33,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -15970,13 +16053,12 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '... Extra tab (right) {MD021}		##',
          errorDetail: null,
          errorRange: [
-            28,
-            5,
+            30,
+            1,
          ],
          fixInfo: {
-            deleteCount: 32,
-            editColumn: 1,
-            insertText: '## Extra tab (right) {MD021} ##',
+            deleteCount: 1,
+            editColumn: 30,
          },
          lineNumber: 37,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -38011,16 +38093,34 @@ Generated by [AVA](https://avajs.dev).
          ],
        },
        {
-          errorContext: '###  Heading 3b...1} {MD022}  ###',
+          errorContext: '###  Heading 3b {MD003} {MD021...',
          errorDetail: null,
          errorRange: [
+            5,
            1,
-            6,
          ],
          fixInfo: {
-            deleteCount: 44,
-            editColumn: 1,
-            insertText: '### Heading 3b {MD003} {MD021} {MD022} ###',
+            deleteCount: 1,
+            editColumn: 5,
+          },
+          lineNumber: 32,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '...b {MD003} {MD021} {MD022}  ###',
+          errorDetail: null,
+          errorRange: [
+            41,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 41,
          },
          lineNumber: 32,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -46848,13 +46948,31 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '#  F  #',
          errorDetail: null,
          errorRange: [
+            3,
            1,
-            4,
          ],
          fixInfo: {
-            deleteCount: 7,
-            editColumn: 1,
-            insertText: '# F #',
+            deleteCount: 1,
+            editColumn: 3,
+          },
+          lineNumber: 21,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '#  F  #',
+          errorDetail: null,
+          errorRange: [
+            6,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 6,
          },
          lineNumber: 21,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -46868,13 +46986,31 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##  L  ##',
          errorDetail: null,
          errorRange: [
+            4,
            1,
-            5,
          ],
          fixInfo: {
-            deleteCount: 9,
-            editColumn: 1,
-            insertText: '## L ##',
+            deleteCount: 1,
+            editColumn: 4,
+          },
+          lineNumber: 41,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '##  L  ##',
+          errorDetail: null,
+          errorRange: [
+            7,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 7,
          },
          lineNumber: 41,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -46888,13 +47024,31 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '#  RR  #',
          errorDetail: null,
          errorRange: [
+            3,
            1,
-            4,
          ],
          fixInfo: {
-            deleteCount: 8,
-            editColumn: 1,
-            insertText: '# RR #',
+            deleteCount: 1,
+            editColumn: 3,
+          },
+          lineNumber: 61,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '#  RR  #',
+          errorDetail: null,
+          errorRange: [
+            7,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 7,
          },
          lineNumber: 61,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
@ -46908,13 +47062,31 @@ Generated by [AVA](https://avajs.dev).
          errorContext: '##  XX  ##',
          errorDetail: null,
          errorRange: [
+            4,
            1,
-            5,
          ],
          fixInfo: {
-            deleteCount: 10,
-            editColumn: 1,
-            insertText: '## XX ##',
+            deleteCount: 1,
+            editColumn: 4,
+          },
+          lineNumber: 81,
+          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md021.md',
+          ruleNames: [
+            'MD021',
+            'no-multiple-space-closed-atx',
+          ],
+        },
+        {
+          errorContext: '##  XX  ##',
+          errorDetail: null,
+          errorRange: [
+            8,
+            1,
+          ],
+          fixInfo: {
+            deleteCount: 1,
+            editColumn: 8,
          },
          lineNumber: 81,
          ruleDescription: 'Multiple spaces inside hashes on closed atx style heading',
--- a/test/snapshots/markdownlint-test-scenarios.js.snap
+++ b/test/snapshots/markdownlint-test-scenarios.js.snap