mvp

Author: DanielJDufour

index.js

@@ -0,0 +1,29 @@
+const getDepth = require("get-depth");
+
+function count(data, options) {
+  const debug = (options && options.debug) || false;
+  // get the depth or number of dimensions
+  const depth = (options && options.depth) || getDepth(data);
+  if (debug) console.log("depth:", depth);
+  const counts = (options && options.counts) || {};
+  const currentDepth = (options && options.currentDepth) || 1;
+  if (debug) console.log("currentDepth:", currentDepth);
+
+  if (currentDepth === depth) {
+    for (let i = 0; i < data.length; i++) {
+      const value = data[i];
+      if (counts[value] === undefined) {
+        counts[value] = 1;
+      } else {
+        counts[value]++;
+      }
+    }
+  } else {
+    for (let i = 0; i < data.length; i++) {
+      count(data[i], { counts, currentDepth: currentDepth + 1, depth });
+    }
+  }
+  return counts;
+}
+
+module.exports = count;