main project

.babelrc

@@ -0,0 +1,3 @@
+{
+  "presets": ["es2015"]
+}

.gitignore

@@ -0,0 +1,2 @@
+.idea
+node_modules

.jshintrc

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+{
+  "esnext": "true",
+  "noyield": "true"
+}

README.md

@@ -3,6 +3,24 @@ SMS Counter
 
 Character counter for SMS messages.
 
+Usage
+----------
+
+```javascript
+SmsCounter.count('content of the SMS')
+```
+
+This will return the following object:
+
+```javascript
+{
+	encoding: "GSM_7BIT",
+	length: 18,
+	messages: 1,
+	per_message: 160,
+	remaining: 142
+}
+```
 
 Thanks to
 ----

build/index.js

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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+var SmsCounter = function SmsCounter() {};
+
+SmsCounter.gsm7bitChars = '@£$¥èéùìòÇ\\nØø\\rÅåΔ_ΦΓΛΩΠΨΣΘΞÆæßÉ !\\"#¤%&\'()*+,-./0123456789:;<=>?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑܧ¿abcdefghijklmnopqrstuvwxyzäöñüà';
+
+SmsCounter.gsm7bitExChar = '\\^{}\\\\\\[~\\]|€';
+
+SmsCounter.gsm7bitRegExp = RegExp('^[' + SmsCounter.gsm7bitChars + ']*$');
+
+SmsCounter.gsm7bitExRegExp = RegExp('^[' + SmsCounter.gsm7bitChars + SmsCounter.gsm7bitExChar + ']*$');
+
+SmsCounter.gsm7bitExOnlyRegExp = RegExp('^[\\' + SmsCounter.gsm7bitExChar + ']*$');
+
+SmsCounter.GSM_7BIT = 'GSM_7BIT';
+
+SmsCounter.GSM_7BIT_EX = 'GSM_7BIT_EX';
+
+SmsCounter.UTF16 = 'UTF16';
+
+SmsCounter.messageLength = {
+  GSM_7BIT: 160,
+  GSM_7BIT_EX: 160,
+  UTF16: 70
+};
+
+SmsCounter.multiMessageLength = {
+  GSM_7BIT: 153,
+  GSM_7BIT_EX: 153,
+  UTF16: 67
+};
+
+SmsCounter.count = function (text) {
+  var encoding = void 0,
+      length = void 0,
+      messages = void 0,
+      per_message = void 0,
+      remaining = void 0;
+  encoding = SmsCounter.detectEncoding(text);
+  length = text.length;
+
+  if (encoding === SmsCounter.GSM_7BIT_EX) {
+    length += SmsCounter.countGsm7bitEx(text);
+  }
+
+  per_message = SmsCounter.messageLength[encoding];
+
+  if (length > per_message) {
+    per_message = SmsCounter.multiMessageLength[encoding];
+  }
+
+  messages = Math.ceil(length / per_message);
+
+  remaining = per_message * messages - length;
+
+  if (remaining === 0 && messages === 0) {
+    remaining = per_message;
+  }
+
+  return {
+    encoding: encoding,
+    length: length,
+    per_message: per_message,
+    remaining: remaining,
+    messages: messages
+  };
+};
+
+SmsCounter.detectEncoding = function (text) {
+  switch (false) {
+    case text.match(SmsCounter.gsm7bitRegExp) == null:
+      return SmsCounter.GSM_7BIT;
+    case text.match(SmsCounter.gsm7bitExRegExp) == null:
+      return SmsCounter.GSM_7BIT_EX;
+    default:
+      return SmsCounter.UTF16;
+  }
+};
+
+SmsCounter.countGsm7bitEx = function (text) {
+  var char2 = void 0,
+      chars = void 0;
+
+  chars = function chars() {
+    var _i = void 0,
+        _len = void 0,
+        _results = void 0;
+    _results = [];
+    for (_i = 0, _len = text.length; _i < _len; _i++) {
+      char2 = text[_i];
+
+      if (char2.match(SmsCounter.gsm7bitExOnlyRegExp) != null) {
+        _results.push(char2);
+      }
+    }
+    return _results;
+  };
+
+  return chars.length;
+};
+
+exports.default = SmsCounter;

index.js

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+const SmsCounter = () => {};
+
+SmsCounter.gsm7bitChars =
+  '@£$¥èéùìòÇ\\nØø\\rÅåΔ_ΦΓΛΩΠΨΣΘΞÆæßÉ !\\"#¤%&\'()*+,-./0123456789:;<=>?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑܧ¿abcdefghijklmnopqrstuvwxyzäöñüà';
+
+SmsCounter.gsm7bitExChar = '\\^{}\\\\\\[~\\]|€';
+
+SmsCounter.gsm7bitRegExp = RegExp('^[' + SmsCounter.gsm7bitChars + ']*$');
+
+SmsCounter.gsm7bitExRegExp = RegExp('^[' + SmsCounter.gsm7bitChars + SmsCounter.gsm7bitExChar + ']*$');
+
+SmsCounter.gsm7bitExOnlyRegExp = RegExp('^[\\' + SmsCounter.gsm7bitExChar + ']*$');
+
+SmsCounter.GSM_7BIT = 'GSM_7BIT';
+
+SmsCounter.GSM_7BIT_EX = 'GSM_7BIT_EX';
+
+SmsCounter.UTF16 = 'UTF16';
+
+SmsCounter.messageLength = {
+  GSM_7BIT: 160,
+  GSM_7BIT_EX: 160,
+  UTF16: 70,
+};
+
+SmsCounter.multiMessageLength = {
+  GSM_7BIT: 153,
+  GSM_7BIT_EX: 153,
+  UTF16: 67,
+};
+
+SmsCounter.count = text => {
+  let encoding, length, messages, per_message, remaining;
+  encoding = SmsCounter.detectEncoding(text);
+  length = text.length;
+
+  if (encoding === SmsCounter.GSM_7BIT_EX) {
+    length += SmsCounter.countGsm7bitEx(text);
+  }
+
+  per_message = SmsCounter.messageLength[encoding];
+
+  if (length > per_message) {
+    per_message = SmsCounter.multiMessageLength[encoding];
+  }
+
+  messages = Math.ceil(length / per_message);
+
+  remaining = per_message * messages - length;
+
+  if (remaining === 0 && messages === 0) {
+    remaining = per_message;
+  }
+
+  return {
+    encoding: encoding,
+    length: length,
+    per_message: per_message,
+    remaining: remaining,
+    messages: messages,
+  };
+};
+
+SmsCounter.detectEncoding = text => {
+  switch (false) {
+    case text.match(SmsCounter.gsm7bitRegExp) == null:
+      return SmsCounter.GSM_7BIT;
+    case text.match(SmsCounter.gsm7bitExRegExp) == null:
+      return SmsCounter.GSM_7BIT_EX;
+    default:
+      return SmsCounter.UTF16;
+  }
+};
+
+SmsCounter.countGsm7bitEx = text => {
+  let char2, chars;
+
+  chars = () => {
+    let _i, _len, _results;
+    _results = [];
+    for (_i = 0, _len = text.length; _i < _len; _i++) {
+      char2 = text[_i];
+
+      if (char2.match(SmsCounter.gsm7bitExOnlyRegExp) != null) {
+        _results.push(char2);
+      }
+    }
+    return _results;
+  };
+
+  return chars.length;
+};
+
+export default SmsCounter;