Added to top enable/disable methods & errors throw

lib/index.js

@@ -270,11 +270,13 @@ MarkdownIt.prototype.configure = function (presets) {
 
 
 /** chainable
- * MarkdownIt.enable(list)
+ * MarkdownIt.enable(list, ignoreInvalid)
  * - list (String|Array): rule name or list of rule names to enable
+ * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
  *
  * Enable list or rules. It will automatically find appropriate components,
- * containing rules with given names.
+ * containing rules with given names. If rule not found, and `ignoreInvalid`
+ * not set - throws exception.
  *
  * ##### Example
  *
@@ -284,24 +286,46 @@ MarkdownIt.prototype.configure = function (presets) {
  *             .disable('smartquotes');
  * ```
  **/
-MarkdownIt.prototype.enable = function (list) {
+MarkdownIt.prototype.enable = function (list, ignoreInvalid) {
+  var result = [];
+
+  if (!Array.isArray(list)) { list = [ list ]; }
+
   [ 'core', 'block', 'inline' ].forEach(function (chain) {
-    this[chain].ruler.enable(list, true);
+    result = result.concat(this[chain].ruler.enable(list, true));
   }, this);
+
+  var missed = list.filter(function (name) { return result.indexOf(name) < 0; });
+
+  if (missed.length && !ignoreInvalid) {
+    throw new Error('MarkdownIt. Failed to enable unknown rule(s): ' + missed);
+  }
+
   return this;
 };
 
 
 /** chainable
- * MarkdownIt.disable(list)
+ * MarkdownIt.disable(list, ignoreInvalid)
  * - list (String|Array): rule name or list of rule names to disable.
+ * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
  *
  * The same as [[MarkdownIt.enable]], but turn specified rules off.
  **/
-MarkdownIt.prototype.disable = function (list) {
+MarkdownIt.prototype.disable = function (list, ignoreInvalid) {
+  var result = [];
+
+  if (!Array.isArray(list)) { list = [ list ]; }
+
   [ 'core', 'block', 'inline' ].forEach(function (chain) {
-    this[chain].ruler.disable(list, true);
+    result = result.concat(this[chain].ruler.disable(list, true));
   }, this);
+
+  var missed = list.filter(function (name) { return result.indexOf(name) < 0; });
+
+  if (missed.length && !ignoreInvalid) {
+    throw new Error('MarkdownIt. Failed to disable unknown rule(s): ' + missed);
+  }
   return this;
 };
 

lib/ruler.js

@@ -245,18 +245,22 @@ Ruler.prototype.push = function (ruleName, fn, options) {
 
 
 /**
- * Ruler.enable(list [, ignoreInvalid])
+ * Ruler.enable(list [, ignoreInvalid]) -> Array
  * - list (String|Array): list of rule names to enable.
  * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
  *
  * Enable rules with given names. If any rule name not found - throw Error.
  * Errors can be disabled by second param.
  *
+ * Returns list of found rule names (if no exception happened).
+ *
  * See also [[Ruler.disable]], [[Ruler.enableOnly]].
  **/
 Ruler.prototype.enable = function (list, ignoreInvalid) {
   if (!Array.isArray(list)) { list = [ list ]; }
 
+  var result = [];
+
   // Search by name and enable
   list.forEach(function (name) {
     var idx = this.__find__(name);
@@ -266,9 +270,11 @@ Ruler.prototype.enable = function (list, ignoreInvalid) {
       throw new Error('Rules manager: invalid rule name ' + name);
     }
     this.__rules__[idx].enabled = true;
+    result.push(name);
   }, this);
 
   this.__cache__ = null;
+  return result;
 };
 
 
@@ -292,19 +298,21 @@ Ruler.prototype.enableOnly = function (list, ignoreInvalid) {
 
 
 /**
- * Ruler.disable(list [, ignoreInvalid])
+ * Ruler.disable(list [, ignoreInvalid]) -> Array
  * - list (String|Array): list of rule names to disable.
  * - ignoreInvalid (Boolean): set `true` to ignore errors when rule not found.
  *
  * Disable rules with given names. If any rule name not found - throw Error.
  * Errors can be disabled by second param.
  *
+ * Returns list of found rule names (if no exception happened).
+ *
  * See also [[Ruler.enable]], [[Ruler.enableOnly]].
  **/
 Ruler.prototype.disable = function (list, ignoreInvalid) {
-  if (!Array.isArray(list)) {
-    list = [ list ];
-  }
+  if (!Array.isArray(list)) { list = [ list ]; }
+
+  var result = [];
 
   // Search by name and disable
   list.forEach(function (name) {
@@ -315,9 +323,11 @@ Ruler.prototype.disable = function (list, ignoreInvalid) {
       throw new Error('Rules manager: invalid rule name ' + name);
     }
     this.__rules__[idx].enabled = false;
+    result.push(name);
   }, this);
 
   this.__cache__ = null;
+  return result;
 };
 
 

lib/rules_core/normalize.js

@@ -16,7 +16,7 @@ module.exports = function inline(state) {
   // Normalize newlines
   str = state.src.replace(NEWLINES_RE, '\n');
 
-  // Strin NULL characters
+  // Replace NULL characters
   str = str.replace(NULL_RE, '\uFFFD');
 
   // Replace tabs with proper number of spaces (1..4)

test/misc.js

@@ -159,6 +159,23 @@ describe('API', function () {
     assert.deepEqual(was, back);
   });
 
+  it('bulk enable/dusable with errors control', function () {
+    var md = markdownit();
+
+    assert.throws(function () {
+      md.enable([ 'link', 'code', 'invalid' ]);
+    });
+    assert.throws(function () {
+      md.disable([ 'link', 'code', 'invalid' ]);
+    });
+    assert.doesNotThrow(function () {
+      md.enable([ 'link', 'code' ]);
+    });
+    assert.doesNotThrow(function () {
+      md.disable([ 'link', 'code' ]);
+    });
+  });
+
 });