lowlight - npm Package Compare versions

Comparing version 2.2.1 to 2.3.0

lib/core.d.ts

@@ -5,2 +5,3 @@ export namespace lowlight {
   export {registerLanguage}
+  export {registered}
   export {listLanguages}
@@ -79,2 +80,9 @@ export {registerAlias}
 /**
+ * Is an alias or language name registered.
+ *
+ * @param {string} aliasOrLanguage alias or language
+ * @returns {boolean}
+ */
+declare function registered(aliasOrLanguage: string): boolean
+/**
  * Get a list of all registered languages.
@@ -81,0 +89,0 @@ *

lib/core.js

@@ -137,2 +137,12 @@ /**
 
+/**
+ * Is an alias or language name registered.
+ *
+ * @param {string} aliasOrLanguage alias or language
+ * @returns {boolean}
+ */
+function registered(aliasOrLanguage) {
+  return Boolean(high.getLanguage(aliasOrLanguage))
+}
+
 const registerAlias =
@@ -281,4 +291,5 @@ /**
   registerLanguage,
+  registered,
   listLanguages,
   registerAlias
 }

package.json

 {
   "name": "lowlight",
-  "version": "2.2.1",
+  "version": "2.3.0",
   "description": "Virtual syntax highlighting for virtual DOMs and non-HTML things",
@@ -5,0 +5,0 @@ "license": "MIT",

readme.md

@@ -35,2 +35,3 @@ # lowlight
     *   [`lowlight.registerAlias(language, alias)`](#lowlightregisteraliaslanguage-alias)
+    *   [`lowlight.registered(aliasOrlanguage)`](#lowlightregisteredaliasorlanguage)
     *   [`lowlight.listLanguages()`](#lowlightlistlanguages)
@@ -245,2 +246,29 @@ *   [Syntaxes](#syntaxes)
 
+### `lowlight.registered(aliasOrlanguage)`
+
+Is an `alias` or `language` registered.
+
+###### Parameters
+
+*   `aliasOrlanguage` (`string`) — [Name][names] of a registered language
+    or its alias
+
+###### Returns
+
+`boolean`.
+
+###### Example
+
+```js
+import {lowlight} from 'lowlight/lib/core.js'
+import javascript from 'highlight.js/lib/languages/javascript.js'
+
+lowlight.registerLanguage('javascript', javascript)
+
+lowlight.registered('js') // return false
+
+lowlight.registerAlias('javascript', 'js')
+lowlight.registered('js') // return true
+```
+
 ### `lowlight.listLanguages()`
@@ -247,0 +275,0 @@

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Improved metrics

Total package byte prevSize

48340

increased by2.29%

Lines of code

741

increased by2.49%

Number of lines in readme file

571

increased by5.16%

No dependency changes