Support YML file argument (#36)

* Support YML file argument

* Use themeFilePath for finding theme directory config file path

index.js

@@ -47,8 +47,7 @@ function createConfigFile() {
     });
 }
 
-function updateTheme(data, theme, ymlPath, preview = false) {
-  const themePath = themeFilePath(theme);
+function updateThemeWithFile(data, themePath, ymlPath, preview = false) {
   const themeFile = fs.readFileSync(themePath, 'utf8');
 
   const doc = YAML.parseDocument(data);
@@ -82,14 +81,31 @@ function updateTheme(data, theme, ymlPath, preview = false) {
     .writeFile(ymlPath, newContent, 'utf8')
     .then(() => {
       if (!preview) {
-        console.log(`The theme ${theme} has been applied successfully!`);
+        const namePairs = colors
+          ? colors.value.items.filter((i) => i.key.value === 'name')
+          : [];
+        const themeName = namePairs.length !== 0 ? namePairs[0].value : null;
+        if (themeName !== null) {
+          console.log(
+            `The theme "${themeName}" has been applied successfully!`
+          );
+        } else {
+          console.log(`The theme has been applied successfully!`);
+        }
       }
     })
     .catch((err) => {
       if (err) throw err;
     });
 }
 
+function updateTheme(data, theme, ymlPath, preview = false) {
+  const isSpecificFile =
+    fs.existsSync(theme) && !fs.lstatSync(theme).isDirectory();
+  const themePath = isSpecificFile ? theme : themeFilePath(theme);
+  return updateThemeWithFile(data, themePath, ymlPath, preview);
+}
+
 function applyTheme(theme, preview = false) {
   // alacritty.yml path
   const ymlPath = getAlacrittyConfig();