1 files changed, 88 insertions, 0 deletions
diff --git a/challenge-214/roger-bell-west/javascript/ch-1.js b/challenge-214/roger-bell-west/javascript/ch-1.js
new file mode 100755
index 0000000000..01464b4ec2
--- /dev/null
+++ b/challenge-214/roger-bell-west/javascript/ch-1.js
@@ -0,0 +1,88 @@
+#! /usr/bin/node
+
+"use strict"
+
+// by Frank Tan
+// https://stackoverflow.com/questions/38400594/javascript-deep-comparison
+function deepEqual(a,b)
+{
+    if( (typeof a == 'object' && a != null) &&
+        (typeof b == 'object' && b != null) )
+    {
+        var count = [0,0];
+        for( var key in a) count[0]++;
+        for( var key in b) count[1]++;
+        if( count[0]-count[1] != 0) {return false;}
+        for( var key in a)
+        {
+            if(!(key in b) || !deepEqual(a[key],b[key])) {return false;}
+        }
+        for( var key in b)
+        {
+            if(!(key in a) || !deepEqual(b[key],a[key])) {return false;}
+        }
+        return true;
+    }
+    else
+    {
+        return a === b;
+    }
+}
+
+function rankscore(a) {
+    let av = new Map;
+    for (let s of a) {
+        if (av.has(s)) {
+            av.set(s, av.get(s) + 1);
+        } else {
+            av.set(s, 1);
+        }
+    }
+    let kk = Array.from(av.keys());
+    kk.sort(function(a,b) {
+        return b-a;
+    });
+    let rank = 1;
+    let tab = new Map;
+    for (let k of kk) {
+        const siz = av.get(k);
+        let r = "";
+        if (rank <= 3) {
+            r = ["G", "S", "B"][rank - 1];
+        } else {
+            r = rank.toString();
+        }
+        if (siz > 1) {
+            r += "=";
+        }
+        tab.set(k, r);
+        rank += siz;
+    }
+    return a.map(i => tab.get(i));
+}
+
+
+if (deepEqual(rankscore([1, 2, 4, 3, 5]), ['5', '4', 'S', 'B', 'G'])) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (deepEqual(rankscore([8, 5, 6, 7, 4]), ['G', '4', 'B', 'S', '5'])) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (deepEqual(rankscore([3, 5, 4, 2]), ['B', 'G', 'S', '4'])) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (deepEqual(rankscore([2, 5, 2, 1, 7, 5, 1]), ['4=', 'S=', '4=', '6=', 'G', 'S=', '6='])) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write("\n");