From cb7d31d863320db9257a619eea0422cc43bb05a4 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <holden.rohrer@gmail.com>
Date: Wed, 18 Dec 2019 20:56:40 -0500
Subject: added getdims and removed bug notice on README

---
 utils/getdims.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 utils/getdims.js

(limited to 'utils')

diff --git a/utils/getdims.js b/utils/getdims.js
new file mode 100644
index 0000000..2c18964
--- /dev/null
+++ b/utils/getdims.js
@@ -0,0 +1,15 @@
+// Takes a list of coordinate pairs (like the keys from a fetch block) and returns a dimension
+
+function dims(coords){
+  ext = [[Infinity, Infinity], [-Infinity, -Infinity]]
+  for (let i=0; i<coords.length; i++){
+    let coord = coords[i];
+    if (coord[0] < ext[0][0]) ext[0][0] = coord[0];
+    if (coord[1] < ext[0][1]) ext[0][1] = coord[1];
+    if (coord[0] > ext[1][0]) ext[1][0] = coord[0];
+    if (coord[1] > ext[1][1]) ext[1][1] = coord[1];
+  }
+  return ext;
+}
+
+exports = dims
-- 
cgit