Merge pull request #251 from cmlewis89/CalculateSizeScript

Adding CalculateSize.js script to calc size of input.text in bytes

Scripts/CalculateSize.js

@@ -0,0 +1,48 @@
+/**
+{
+  "api": 1,
+  "name": "Calculate Size (Bytes)",
+  "description": "Calculates size of text in Bytes",
+  "author": "zzz",
+  "icon": "counter",
+  "tags": "calc,size,bytes,storage"
+}
+**/
+
+//From https://stackoverflow.com/a/12206089
+function getUTF8Length(s) {
+    var len = 0;
+    for (var i = 0; i < s.length; i++) {
+      var code = s.charCodeAt(i);
+      if (code <= 0x7f) {
+        len += 1;
+      } else if (code <= 0x7ff) {
+        len += 2;
+      } else if (code >= 0xd800 && code <= 0xdfff) {
+        // Surrogate pair: These take 4 bytes in UTF-8 and 2 chars in UCS-2
+        // (Assume next char is the other [valid] half and just skip it)
+        len += 4; i++;
+      } else if (code < 0xffff) {
+        len += 3;
+      } else {
+        len += 4;
+      }
+    }
+    return len;
+  }
+
+function main(input) {
+    let bytes = getUTF8Length(input.text);
+    if (bytes > 1000000)
+    {
+        bytes /= 1000000;
+        input.postInfo(`${bytes.toFixed(2)} Mb`)
+    }
+    if (bytes > 100000) {
+        bytes /= 1000;
+        input.postInfo(`${bytes.toFixed(2)} Kb`)
+    }
+    else {
+        input.postInfo(`${bytes} bytes`)
+    }
+}