fix: caused regressions in fetching relative themes

lib/builder/index.js

@@ -52,6 +52,7 @@ module.exports = function resumeBuilder(theme, dir, resumeFilename, cb) {
       const html = await renderHtml(resumeJson, theme);
       cb(null, html);
     } catch (err) {
+      console.log(err);
       console.log(
         chalk.yellow('Could not run the render function from local theme.'),
       );

lib/render-html/index.js

@@ -1,17 +1,24 @@
 const path = require('path');
 const chalk = require('chalk');
-
-module.exports = async function renderHtml(resumeJson, theme) {
-  if (!theme.match('jsonresume-theme-.*')) {
-    theme = 'jsonresume-theme-' + theme;
-  }
-  let themePath;
+const getThemePkg = (theme) => {
   if (theme[0] === '.') {
-    themePath = path.join(process.cwd(), theme, 'index.js');
-  } else {
-    themePath = path.resolve(process.cwd(), 'node_modules', theme);
+    theme = path.join(process.cwd(), theme, 'index.js');
+  }
+  try {
+    const themePkg = require(theme);
+    return themePkg;
+  } catch (err) {
+    // Theme not installed
+    console.log(
+      'You have to install this theme relative to the folder to use it e.g. `npm install ' +
+        theme +
+        '`',
+    );
+    process.exit();
   }
-  const render = require(themePath).render;
+};
+module.exports = async function renderHtml(resumeJson, theme) {
+  const render = getThemePkg(theme).render;
 
   if (typeof render !== 'function') {
     console.log(