Avoid analyzing excluded language files for line counting

This change passes in a list of file types to the line counting
analysis. These are the languages for the databases being analyzed.
Line count analysis is restricted to these files.

node_modules/github-linguist/dist/directory.js

@@ -10,6 +10,7 @@ const path_1 = __importDefault(require("path"));
 // @ts-ignore
 const slash2_1 = __importDefault(require("slash2"));
 const file_1 = require("./file");
+const languages_1 = require("./languages");
 const defaultInfo = {
     total: 0,
     code: 0,
@@ -24,7 +25,77 @@ const defaultExclude = [
     '**/dist/**',
     '**/*.snap',
     // java
-    '**/target'
+    '**/target',
+    "**/*.class",
+    "**/*.o",
+    "**/bin",
+    "**/*.map",
+    // python
+    "**/*.pyc",
+    "**/*.pyo",
+    // other
+    "**/*.dil",
+    "**/*.ra",
+    // images
+    '**/*.png',
+    '**/*.jpg',
+    '**/*.jpeg',
+    '**/*.gif',
+    '**/*.ico',
+    '**/*.bmp',
+    '**/*.webp',
+    '**/*.tiff',
+    '**/*.psd',
+    '**/*.ai',
+    '**/*.ps',
+    '**/*.eps',
+    // fonts
+    '**/*.ttf',
+    '**/*.otf',
+    '**/*.woff',
+    '**/*.woff2',
+    '**/*.eot',
+    '**/*.ttc',
+    // audio
+    '**/*.mp3',
+    '**/*.wav',
+    '**/*.ogg',
+    '**/*.flac',
+    '**/*.aac',
+    '**/*.m4a',
+    '**/*.aif*',
+    // video
+    '**/*.mp4',
+    '**/*.mkv',
+    '**/*.avi',
+    '**/*.mov',
+    '**/*.wmv',
+    '**/*.mpg',
+    '**/*.mpeg',
+    '**/*.m2v',
+    '**/*.m4v',
+    // office
+    '**/*.doc',
+    '**/*.docx',
+    '**/*.docm',
+    '**/*.dot',
+    '**/*.dotx',
+    '**/*.xls',
+    '**/*.xlsx',
+    // documents
+    '**/*.pdf',
+    '**/*.epub',
+    '**/*.mobi',
+    // archives
+    '**/*.rar',
+    '**/*.zip',
+    '**/*.7z',
+    '**/*.tar',
+    '**/*.gz',
+    '**/*.bz2',
+    '**/*.bz',
+    '**/*.tbz',
+    '**/*.tgz',
 ];
 /**
  * Collect the info of a directory.
@@ -49,6 +120,18 @@ class LocDir {
             writable: true,
             value: void 0
         });
+        Object.defineProperty(this, "analysisLanguages", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: void 0
+        });
+        Object.defineProperty(this, "allLanguages", {
+            enumerable: true,
+            configurable: true,
+            writable: true,
+            value: new languages_1.Languages()
+        });
         // ensure all excludes are globstar. Note that '**/*.ts/**' matches files
         // that end in .ts because the globstar indicates 0 or more directory paths.
         this.exclude = ensureArray(options.exclude)
@@ -60,6 +143,7 @@ class LocDir {
             .map(item => item.startsWith('./') ? item.substring(2) : item)
             .map(item => item.endsWith('**') ? item : `${item}/**`);
         this.cwd = options.cwd || process.cwd();
+        this.analysisLanguages = options.analysisLanguages;
     }
     /**
      * Calculate directory info.
@@ -76,6 +160,7 @@ class LocDir {
         await Promise.all(paths.map(async (pathItem) => {
             const fullPath = slash2_1.default(path_1.default.join(this.cwd, pathItem));
             if (!pathItem ||
+                this.ignoreLanguage(pathItem) ||
                 !(await fs_extra_1.default.pathExists(fullPath)) ||
                 (await fs_extra_1.default.stat(fullPath)).isDirectory()) {
                 return;
@@ -103,6 +188,13 @@ class LocDir {
             languages,
         };
     }
+    /**
+     * Ignore analyzing this file if analysis languages are specified
+     * and this language is not one of them.
+     */
+    ignoreLanguage(pathItem) {
+        return this.analysisLanguages && !this.analysisLanguages.includes(this.allLanguages.getType(pathItem));
+    }
 }
 exports.LocDir = LocDir;
 function ensureArray(arr, dfault) {