Clean up scripts and array concat.

Author: carloskelly13

package.json

@@ -8,7 +8,7 @@
   "license": "MIT",
   "repository": "https://github.com/FormidableLabs/prism-react-renderer",
   "scripts": {
-    "postinstall": "pnpm run --filter generate-prism-languages start",
+    "postinstall": "pnpm run --filter generate-prism-languages generate",
     "build": "pnpm run --filter prism-react-renderer build",
     "build:watch": "pnpm run --filter prism-react-renderer build:watch"
   },

packages/generate-prism-languages/index.ts

@@ -37,9 +37,7 @@ const readLanguageFile = async (language: string): Promise<string> => {
 
 const strArrayFromUnknown = (input: unknown) => (array: string[]) => {
   if (typeof input === "string") array.push(input)
-  else if (Array.isArray(input)) {
-    array = [...array, ...input.filter(i => typeof i === "string")]
-  }
+  else if (Array.isArray(input)) array = array.concat(input)
   return array
 }
 
@@ -52,11 +50,11 @@ const main = async () => {
     "../prism-react-renderer/src/prism-langs.ts"
   )
 
-  const addLanguageToOutput = async (language: string) => {
+  const addLanguageToOutput = async (language?: string) => {
     if (bundledLanguages.has(language)) {
       return
     }
-    if (prismLanguages[language] == null) {
+    if (language == null || prismLanguages[language] == null) {
       return
     }
     bundledLanguages.add(language)

packages/generate-prism-languages/package.json

@@ -2,7 +2,7 @@
   "name": "generate-prism-languages",
   "private": true,
   "scripts": {
-    "start": "ts-node ./index.ts"
+    "generate": "ts-node ./index.ts"
   },
   "peerDependencies": {
     "react": ">=16.0.0"
@@ -17,9 +17,7 @@
     "ts-node": "^10.9.1",
     "tslib": "^2.5.0",
     "typescript": "*",
-    "uglify-js": "^3.17.4"
-  },
-  "dependencies": {
+    "uglify-js": "^3.17.4",
     "lodash.flowright": "^3.5.0"
   }
 }