swanson · January 1, 2021 01:18 · Jan 1, 2021 · Jan 1, 2021
diff --git a/gistfile1.txt → helper.rb b/gistfile1.txt → helper.rb
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,25 @@
+# Formats a +number+ into an abbreviated string suitable for
+# displaying social media type metrics
+#
+# ==== Options
+# * start_at - The first number to start abbreviating, defaults
+#   to 10_000. Certain metrics may want to start at e.g. 1000.
+#
+# ==== Examples
+# number_to_social(123)                     # => 123
+# number_to_social(1457)                    # => 1457
+# number_to_social(9987)                    # => 9987
+# number_to_social(10512)                   # => 10.5K
+# number_to_social(2_300_123)               # => 2.3M
+# number_to_social(1457, start_at: 1000)    # => 1.4K
+def number_to_social(number, start_at: 10_000)
+  return number_with_delimiter(number) if number < start_at
+
+  number_to_human(number,
+    precision: 1,
+    round_mode: :down,
+    significant: false,
+    format: "%n%u",
+    units: { thousand: "K", million: "M", billion: "B" }
+  )
+end
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