if 'usePrism' is true, use prismjs on all languages

facebook · Jun 7, 2018 · 886cf24 · 886cf24
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diff --git a/docs/api-doc-markdown.md b/docs/api-doc-markdown.md
@@ -183,7 +183,7 @@ While Highlight.js provides support for [many popular languages out of the box](
 
 ### Using Prism.js as additional syntax highlighter
 
-While highlight.js support a lot of languages, you can opt to use prism.js to syntax highlight certain languages available on [Prism](https://github.com/PrismJS/prism/tree/master/components). Include those languages in `usePrism` field in your [siteConfig.js](site-config.md)
+While highlight.js support a lot of languages, you can opt to use prism.js to syntax highlight certain languages available on [Prism](https://github.com/PrismJS/prism/tree/master/components). Include those languages in `usePrism` field in your [siteConfig.js](api-site-config.md)
 
 Example:
 ```

diff --git a/docs/api-site-config.md b/docs/api-site-config.md
@@ -173,7 +173,7 @@ h1 {
 
 `users` - The `users` array mentioned earlier.
 
-`usePrism` - Array of languages to use prism.js syntax highlighter. Refer to [Using PrismJS as additional syntax highlighter](api-doc-markdown.md#using-prismjs-as-additional-syntax-highlighter).
+`usePrism` - Array of languages to use prism.js syntax highlighter. Refer to [Using PrismJS as additional syntax highlighter](api-doc-markdown.md#using-prismjs-as-additional-syntax-highlighter). Set it to `true` to use PrismJS on all languages.
 
 `wrapPagesHTML` - Boolean flag to indicate whether `html` files in `/pages` should be wrapped with Docusaurus site styles, header and footer. This feature is experimental and relies on the files being `html` fragments instead of complete pages. It inserts the contents of your `html` file with no extra processing. Defaults to `false`.
 

diff --git a/lib/core/renderMarkdown.js b/lib/core/renderMarkdown.js
@@ -30,10 +30,9 @@ class MarkdownRenderer {
  lang || (siteConfig.highlight && siteConfig.highlight.defaultLang);
  if (lang && hljs.getLanguage(lang)) {
  try {
- // try to use prism.js for certain language
  if (
- siteConfig.usePrism &&
- siteConfig.usePrism.indexOf(lang) !== -1
+ siteConfig.usePrism === true ||
+ (siteConfig.usePrism && siteConfig.usePrism.indexOf(lang) !== -1)
  ) {
  try {
  const language = alias[lang] || lang;