feat: added script to automate language color retrieval (#1654)

Author: Davoleo

package.json

@@ -7,7 +7,8 @@
     "test": "jest --coverage",
     "test:watch": "jest --watch",
     "theme-readme-gen": "node scripts/generate-theme-doc",
-    "preview-theme": "node scripts/preview-theme"
+    "preview-theme": "node scripts/preview-theme",
+    "generate-langs-json": "node scripts/generate-langs-json"
   },
   "author": "Anurag Hazra",
   "license": "MIT",
@@ -22,6 +23,7 @@
     "hjson": "^3.2.2",
     "husky": "^4.2.5",
     "jest": "^26.1.0",
+    "js-yaml": "^4.1.0",
     "lodash.snakecase": "^4.1.1",
     "parse-diff": "^0.7.0",
     "prettier": "^2.1.2"

scripts/generate-langs-json.js

@@ -0,0 +1,26 @@
+const fs = require('fs');
+const jsYaml = require('js-yaml');
+const axios = require('axios');
+
+const LANGS_FILEPATH = "./src/common/languageColors.json"
+
+//Retrieve languages from github linguist repository yaml file
+//@ts-ignore
+axios.get("https://raw.githubusercontent.com/github/linguist/master/lib/linguist/languages.yml")
+.then((response) => {
+
+  //and convert them to a JS Object
+  const languages = jsYaml.load(response.data);
+
+  const languageColors = {};
+
+  //Filter only language colors from the whole file
+  Object.keys(languages).forEach((lang) => {
+    languageColors[lang] = languages[lang].color;
+  });
+
+  //Debug Print
+  //console.dir(languageColors);
+  fs.writeFileSync(LANGS_FILEPATH, JSON.stringify(languageColors, null, '    '));
+  
+});