From 5e0ee813959146b250109530d0fffaf93e71f2c2 Mon Sep 17 00:00:00 2001
From: b3z <mayer@zeppel.eu>
Date: Sat, 23 Jan 2021 14:40:12 +0100
Subject: [PATCH] Complementary lang colors (#76)

---
 README.md                          | 2 +-
 source/plugins/languages/index.mjs | 5 ++++-
 tests/metrics.test.js              | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 4a613927..ae73f56c 100644
--- a/README.md
+++ b/README.md
@@ -1067,7 +1067,7 @@ It is possible to use custom colors for languages if those provided by GitHub do
 You can specify either an index with a color, or a language name (case insensitive) with a color.
 Colors can be either in hexadecimal format or a [named color](https://developer.mozilla.org/en-US/docs/Web/CSS/color_value).
 
-Use the special value `rainbow` to use rainbow colors.
+Use the special value `rainbow` to use rainbow colors. Use `complementary` to use [complementary colors](https://en.wikipedia.org/wiki/Complementary_colors).
 
 </details>
 
diff --git a/source/plugins/languages/index.mjs b/source/plugins/languages/index.mjs
index fed20962..36d0fc28 100644
--- a/source/plugins/languages/index.mjs
+++ b/source/plugins/languages/index.mjs
@@ -14,6 +14,9 @@
           //Custom colors
             if (`${colors}` === "rainbow")
               colors = ["0:#ff0000", "1:#ffa500", "2:#ffff00", "3:#008000", "4:#0000ff", "5:#4b0082", "6:#ee82ee", "7:#162221"]
+            if (`${colors}` === "complementary")
+              colors = ["0:#ff0000", "1:#008000", "2:#ffa500", "3:#0000ff", "4:#ffff00", "5:#4b0082", "6:#162221", "7:#ee82ee"]
+             
             colors = Object.fromEntries(decodeURIComponent(colors).split(",").map(x => x.trim().toLocaleLowerCase()).filter(x => x).map(x => x.split(":").map(x => x.trim())))
             console.debug(`metrics/compute/${login}/plugins > languages > custom colors ${JSON.stringify(colors)}`)
         //Iterate through user's repositories and retrieve languages data
@@ -54,4 +57,4 @@
       catch (error) {
         throw {error:{message:"An error occured", instance:error}}
       }
-  }
\ No newline at end of file
+  }
diff --git a/tests/metrics.test.js b/tests/metrics.test.js
index b064ba28..b881c877 100644
--- a/tests/metrics.test.js
+++ b/tests/metrics.test.js
@@ -149,7 +149,7 @@
     }],
     ["Language plugin (custom color set)", {
       plugin_languages:true,
-      plugin_languages_colors:"rainbow",
+      plugin_languages_colors:"complementary",
     }],
     ["Language plugin (complete)", {
       plugin_languages:true,