lib/string_ext.rb: add unicode_escape

Signed-off-by: Philip Li <[email protected]>
intel · Jul 24, 2024 · c166d9e · c166d9e
1 parent be0bf6d
commit c166d9e
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/lib/string_ext.rb b/lib/string_ext.rb
@@ -31,4 +31,16 @@ def numeric?
   def uncolorize
     gsub(/\e\[(\d+)?(;\d+)?(;\d+)?m/, '').gsub(/\e\[K/, '')
   end
+
+  def unicode_escape
+    str = chars.map do |char|
+      if char.ascii_only?
+        char
+      else
+        char.codepoints.map { |cp| "\\u#{cp.to_s(16).rjust(4, '0')}" }.join
+      end
+    end
+
+    str.join
+  end
 end