Add the ability to create hyperlinks from the URL only to the link_to…

… method

lib/tty/link.rb

@@ -40,6 +40,9 @@ class Link
     #   TTY::Link.link_to("TTY Toolkit", "https://ttytoolkit.org")
     #
     # @example
+    #   TTY::Link.link_to("https://ttytoolkit.org")
+    #
+    # @example
     #   TTY::Link.link_to("TTY Toolkit", "https://ttytoolkit.org",
     #                     env: {"VTE_VERSION" => "7603"})
     #
@@ -49,7 +52,7 @@ class Link
     #
     # @param [String] name
     #   the name for the URL
-    # @param [String] url
+    # @param [String, nil] url
     #   the URL target
     # @param [ENV, Hash{String => String}] env
     #   the environment variables
@@ -61,7 +64,7 @@ class Link
     # @see #link_to
     #
     # @api public
-    def self.link_to(name, url, env: ENV, output: $stdout)
+    def self.link_to(name, url = nil, env: ENV, output: $stdout)
       new(env: env, output: output).link_to(name, url)
     end
 
@@ -120,15 +123,20 @@ def initialize(env: ENV, output: $stdout)
     # @example
     #   link.link_to("TTY Toolkit", "https://ttytoolkit.org")
     #
+    # @example
+    #   link.link_to("https://ttytoolkit.org")
+    #
     # @param [String] name
     #   the name for the URL
-    # @param [String] url
+    # @param [String, nil] url
     #   the URL target
     #
     # @return [String]
     #
     # @api public
-    def link_to(name, url)
+    def link_to(name, url = nil)
+      url ||= name
+
       if link?
         [OSC8, SEP, SEP, url, BEL, name, OSC8, SEP, SEP, BEL].join
       else

spec/unit/link_to_spec.rb

@@ -11,13 +11,23 @@
 
   describe ".link_to" do
     context "when unsupported terminal" do
-      it "fails to create a terminal link" do
+      it "createa a terminal link replacement" do
         linked = described_class.link_to(
           "TTY Toolkit", "https://ttytoolkit.org", env: {}, output: output
         )
 
         expect(linked).to eql("TTY Toolkit -> https://ttytoolkit.org")
       end
+
+      it "creates a terminal link replacement from a single argument" do
+        linked = described_class.link_to(
+          "https://ttytoolkit.org", env: {}, output: output
+        )
+
+        expect(linked).to eql(
+          "https://ttytoolkit.org -> https://ttytoolkit.org"
+        )
+      end
     end
 
     context "when supported terminal" do
@@ -29,17 +39,36 @@
         expect(linked)
           .to eql("\e]8;;https://ttytoolkit.org\aTTY Toolkit\e]8;;\a")
       end
+
+      it "creates a terminal link from a single argument" do
+        linked = described_class.link_to(
+          "https://ttytoolkit.org", env: env, output: output
+        )
+
+        expect(linked).to eql(
+          "\e]8;;https://ttytoolkit.org\ahttps://ttytoolkit.org\e]8;;\a"
+        )
+      end
     end
   end
 
   describe "#link_to" do
     context "when unsupported terminal" do
-      it "fails to create a terminal link" do
+      it "creates a terminal link replacement" do
         link = described_class.new(env: {}, output: output)
         linked = link.link_to("TTY Toolkit", "https://ttytoolkit.org")
 
         expect(linked).to eql("TTY Toolkit -> https://ttytoolkit.org")
       end
+
+      it "creates a terminal link replacement from a single argument" do
+        link = described_class.new(env: {}, output: output)
+        linked = link.link_to("https://ttytoolkit.org")
+
+        expect(linked).to eql(
+          "https://ttytoolkit.org -> https://ttytoolkit.org"
+        )
+      end
     end
 
     context "when supported terminal" do
@@ -50,6 +79,15 @@
         expect(linked)
           .to eql("\e]8;;https://ttytoolkit.org\aTTY Toolkit\e]8;;\a")
       end
+
+      it "creates a terminal link from a single argument" do
+        link = described_class.new(env: env, output: output)
+        linked = link.link_to("https://ttytoolkit.org")
+
+        expect(linked).to eql(
+          "\e]8;;https://ttytoolkit.org\ahttps://ttytoolkit.org\e]8;;\a"
+        )
+      end
     end
   end
 end