Add template tag examples

tshemsedinov · tshemsedinov · commit 52e64731f8b5 · 2018-10-18T13:47:49.000+03:00
diff --git a/JavaScript/8-tag.js b/JavaScript/8-tag.js
@@ -0,0 +1,13 @@
+'use strict';
+
+const tag = (string, ...values) => {
+  console.dir({ string, values });
+};
+
+// Usage
+
+const greeting = 'Hello';
+const person = { name: 'Marcus Aurelius' };
+
+const text = tag`${greeting} ${person.name}!`;
+console.dir({ text });
diff --git a/JavaScript/9-styles.js b/JavaScript/9-styles.js
@@ -0,0 +1,21 @@
+'use strict';
+
+const esc = (code, s) => `\x1b[${code}m${s}\x1b[0m`;
+
+const tag = (strings, ...values) => {
+  const result = [strings[0]];
+  let i = 1;
+  for (const val of values) {
+    const str = strings[i++];
+    result.push(esc(i + 1, val), str);
+  }
+  return result.join('');
+};
+
+// Usage
+
+const greeting = 'Ave';
+const person = { name: 'Marcus Aurelius', position: 'Emperor' };
+
+const text = tag`${greeting} ${person.position} ${person.name}!`;
+console.log(text);
