Add noInlineConfig option to disable inline config comments.

.eslintrc.json

@@ -56,7 +56,7 @@
         "max-len": "error",
         "max-lines": "off",
         "max-nested-callbacks": "error",
-        "max-params": ["error", 6],
+        "max-params": ["error", 7],
         "max-statements": ["error", 30],
         "max-statements-per-line": "error",
         "multiline-ternary": "off",

README.md

@@ -206,34 +206,6 @@ Example:
 }
 ```
 
-##### options.frontMatter
-
-Type: `RegExp`
-
-Matches any [front matter](https://jekyllrb.com/docs/frontmatter/) found at the
-beginning of a file.
-
-Some Markdown content begins with metadata; the default `RegExp` for this option
-ignores common forms of "front matter". To match differently, specify a custom
-`RegExp` or use the value `null` to disable the feature.
-
-Note: Matches must occur at the start of the file.
-
-Default:
-
-```js
-/^---$[^]*?^---$(\r\n|\r|\n)/m
-```
-
-Ignores:
-
-```text
----
-layout: post
-title: Title
----
-```
-
 ##### options.config
 
 Type: `Object` mapping `String` to `Boolean | Object`
@@ -318,6 +290,45 @@ var options = {
 };
 ```
 
+##### options.frontMatter
+
+Type: `RegExp`
+
+Matches any [front matter](https://jekyllrb.com/docs/frontmatter/) found at the
+beginning of a file.
+
+Some Markdown content begins with metadata; the default `RegExp` for this option
+ignores common forms of "front matter". To match differently, specify a custom
+`RegExp` or use the value `null` to disable the feature.
+
+Note: Matches must occur at the start of the file.
+
+Default:
+
+```js
+/^---$[^]*?^---$(\r\n|\r|\n)/m
+```
+
+Ignores:
+
+```text
+---
+layout: post
+title: Title
+---
+```
+
+##### options.noInlineConfig
+
+Type: `Boolean`
+
+Disables the use of HTML comments like `<!-- markdownlint-disable -->` to toggle
+rules within the body of Markdown content.
+
+By default, properly-formatted inline comments can be used to create exceptions
+for parts of a document. Setting `noInlineConfig` to `true` ignores all such
+comments.
+
 ##### options.resultVersion
 
 Type: `Number`

lib/markdownlint.js

@@ -84,7 +84,8 @@ function uniqueFilterForSortedErrors(value, index, array) {
 }
 
 // Lints a single string
-function lintContent(content, config, frontMatter, resultVersion) {
+function lintContent(
+  content, config, frontMatter, noInlineConfig, resultVersion) {
   // Remove UTF-8 byte order marker (if present)
   if (content.charCodeAt(0) === 0xfeff) {
     content = content.slice(1);
@@ -192,12 +193,14 @@ function lintContent(content, config, frontMatter, resultVersion) {
   }
   var enabledRulesPerLineNumber = new Array(1 + frontMatterLines.length);
   lines.forEach(function forLine(line) {
-    var match = shared.inlineCommentRe.exec(line);
-    if (match) {
-      enabledRules = shared.clone(enabledRules);
-      while (match) {
-        forMatch(match);
-        match = shared.inlineCommentRe.exec(line);
+    if (!noInlineConfig) {
+      var match = shared.inlineCommentRe.exec(line);
+      if (match) {
+        enabledRules = shared.clone(enabledRules);
+        while (match) {
+          forMatch(match);
+          match = shared.inlineCommentRe.exec(line);
+        }
       }
     }
     enabledRulesPerLineNumber.push(enabledRules);
@@ -303,6 +306,7 @@ function lintFile(
   file,
   config,
   frontMatter,
+  noInlineConfig,
   resultVersion,
   synchronous,
   callback) {
@@ -310,7 +314,8 @@ function lintFile(
     if (err) {
       return callback(err);
     }
-    var result = lintContent(content, config, frontMatter, resultVersion);
+    var result = lintContent(
+      content, config, frontMatter, noInlineConfig, resultVersion);
     callback(null, result);
   }
   // Make a/synchronous call to read file
@@ -347,9 +352,10 @@ function markdownlint(options, callback) {
     files = [ String(options.files) ];
   }
   var strings = options.strings || {};
+  var config = options.config || { "default": true };
   var frontMatter = (options.frontMatter === undefined) ?
                       shared.frontMatterRe : options.frontMatter;
-  var config = options.config || { "default": true };
+  var noInlineConfig = !!options.noInlineConfig;
   var resultVersion = options.resultVersion || 0;
   var synchronous = (callback === markdownlintSynchronousCallback);
   var results = new Results();
@@ -357,7 +363,13 @@ function markdownlint(options, callback) {
   function lintFilesArray() {
     var file = files.shift();
     if (file) {
-      lintFile(file, config, frontMatter, resultVersion, synchronous,
+      lintFile(
+        file,
+        config,
+        frontMatter,
+        noInlineConfig,
+        resultVersion,
+        synchronous,
         function lintedFile(err, result) {
           if (err) {
             return callback(err);
@@ -376,6 +388,7 @@ function markdownlint(options, callback) {
       strings[key] || "",
       config,
       frontMatter,
+      noInlineConfig,
       resultVersion);
     results[key] = result;
   });

test/markdownlint-test.js

@@ -83,11 +83,15 @@ module.exports.projectFiles = function projectFiles(test) {
   test.expect(2);
   var options = {
     "files": [ "README.md" ],
-    "config": { "MD013": { "line_length": 150 } }
+    "noInlineConfig": true,
+    "config": {
+      "MD013": { "line_length": 150 },
+      "MD024": false
+    }
   };
   markdownlint(options, function callback(err, actual) {
     test.ifError(err);
-    var expected = { "README.md": { "MD024": [ 392, 398 ] } };
+    var expected = { "README.md": {} };
     test.deepEqual(actual, expected, "Issue(s) with project files.");
     test.done();
   });
@@ -762,10 +766,42 @@ module.exports.customFrontMatter = function customFrontMatter(test) {
   });
 };
 
+module.exports.noInlineConfig = function noInlineConfig(test) {
+  test.expect(2);
+  markdownlint({
+    "strings": {
+      "content": [
+        "# Heading",
+        "",
+        "\tTab",
+        "",
+        "<!-- markdownlint-disable-->",
+        "",
+        "\tTab",
+        "",
+        "<!-- markdownlint-enable-->",
+        "",
+        "\tTab"
+      ].join("\n")
+    },
+    "noInlineConfig": true
+  }, function callback(err, result) {
+    test.ifError(err);
+    var expectedResult = {
+      "content": {
+        "MD010": [ 3, 7, 11 ]
+      }
+    };
+    test.deepEqual(result, expectedResult, "Undetected issues.");
+    test.done();
+  });
+};
+
 module.exports.readmeHeaders = function readmeHeaders(test) {
   test.expect(2);
   markdownlint({
     "files": "README.md",
+    "noInlineConfig": true,
     "config": {
       "default": false,
       "MD013": {
@@ -786,8 +822,9 @@ module.exports.readmeHeaders = function readmeHeaders(test) {
           "#### options",
           "##### options.files",
           "##### options.strings",
-          "##### options.frontMatter",
           "##### options.config",
+          "##### options.frontMatter",
+          "##### options.noInlineConfig",
           "##### options.resultVersion",
           "#### callback",
           "#### result",
@@ -803,7 +840,7 @@ module.exports.readmeHeaders = function readmeHeaders(test) {
     }
   }, function callback(err, result) {
     test.ifError(err);
-    var expected = { "README.md": { "MD024": [ 392, 398 ] } };
+    var expected = { "README.md": {} };
     test.deepEqual(result, expected, "Unexpected issues.");
     test.done();
   });
@@ -827,10 +864,14 @@ module.exports.filesArrayAsString = function filesArrayAsString(test) {
   test.expect(2);
   markdownlint({
     "files": "README.md",
-    "config": { "MD013": { "line_length": 150 } }
+    "noInlineConfig": true,
+    "config": {
+      "MD013": { "line_length": 150 },
+      "MD024": false
+    }
   }, function callback(err, actual) {
     test.ifError(err);
-    var expected = { "README.md": { "MD024": [ 392, 398 ] } };
+    var expected = { "README.md": {} };
     test.deepEqual(actual, expected, "Unexpected issues.");
     test.done();
   });