Updated the keywords in package.json and added testcases to make sure all files are present and that no files are missing

Author: gignupg

package.json

@@ -41,11 +41,11 @@
     "client",
     "cli",
     "srt",
-    ".srt",
     "txt",
-    ".txt",
     "sub",
-    ".sub",
+    "html",
+    "csv",
+    "tsv",
     "utf8",
     "utf-8",
     "cp-1250",

testing/language-encoding.test.js

@@ -1,32 +1,54 @@
 const languageEncoding = require("../src/index-node.js");
-const fs = require('fs');
+const fs = require("fs");
 
+// Make sure all files that package.json requires are present
+// Checking for CLI, Node.js and Browser/UNPKG
+checkLocation("bin", "cli.js");
+checkLocation("src", "index-node.js");
+checkLocation("umd", "language-encoding.min.js");
+
+// Test all files in my 'language folders' dataset
 const folderPath = "/home/gignu/Documents/Subtitle Database/Language Folders/";
 const testFiles = getFiles(folderPath);
 
 testFiles.forEach((file) => {
-    languageEncoding(file, true)
-        .then(fileInfo => {
-            if (fileInfo.ratio <= 0.85) {
-                console.log("Test case failed:");
-                console.log(fileInfo);
-                process.exit(1);
-            }
-        })
-        .catch(error => { console.log(error); });
+  languageEncoding(file, true)
+    .then((fileInfo) => {
+      if (fileInfo.ratio <= 0.85) {
+        console.log("Test case failed:");
+        console.log(fileInfo);
+        process.exit(1);
+      }
+    })
+    .catch((error) => {
+      console.log(error);
+    });
 });
 
 // Recursively find all files in a folder and all it's subdirectories
 function getFiles(dir, files_) {
-    files_ = files_ || [];
-    var files = fs.readdirSync(dir);
-    for (var i in files) {
-        var name = dir + '/' + files[i];
-        if (fs.statSync(name).isDirectory()) {
-            getFiles(name, files_);
-        } else {
-            files_.push(name);
-        }
+  files_ = files_ || [];
+  var files = fs.readdirSync(dir);
+  for (var i in files) {
+    var name = dir + "/" + files[i];
+    if (fs.statSync(name).isDirectory()) {
+      getFiles(name, files_);
+    } else {
+      files_.push(name);
     }
-    return files_;
-}
+  }
+  return files_;
+}
+
+function checkLocation(folder, file) {
+  const dir = fs.readdirSync(
+    "/home/gignu/GitHub/Detect-File-Encoding-and-Language/" + folder
+  );
+  const fileFound = dir.some((fileName) => fileName === file);
+  if (!fileFound) {
+    console.log(
+      `According to my test file, ${file} is supposed to be located here: /home/gignu/GitHub/Detect-File-Encoding-and-Language/${folder}`
+    );
+    process.exit(1);
+  }
+}