move invoices, combine profile and dashboard

1 files changed, 26 insertions, 0 deletions

diff --git a/src/lib/utils.js b/src/lib/utils.js
index 2b5dda90..d0b0b1c2 100644
--- a/src/lib/utils.js
+++ b/src/lib/utils.js
@@ -202,3 +202,29 @@ export const stretch = async (password, salt) =>
 	);
 
 export const bip32 = await BIP32Factory(ecc);
+
+function get_bigrams(string) {
+	var s = string.toLowerCase();
+	var v = s.split('');
+	for (var i = 0; i < v.length; i++) {
+		v[i] = s.slice(i, i + 2);
+	}
+	return v;
+}
+
+export function ss(str1, str2) {
+	if (str1.length > 0 && str2.length > 0) {
+		var pairs1 = get_bigrams(str1);
+		var pairs2 = get_bigrams(str2);
+		var union = pairs1.length + pairs2.length;
+		var hits = 0;
+		for (var x = 0; x < pairs1.length; x++) {
+			for (var y = 0; y < pairs2.length; y++) {
+				if (pairs1[x] == pairs2[y]) hit_count++;
+			}
+		}
+		if (hits > 0) return (2.0 * hits) / union;
+	}
+
+	return 0.0;
+}