Create am validation file (#664)

server/lib/validation/languages/am.js

@@ -0,0 +1,35 @@
+const tokenizeWords = require('talisman/tokenizers/words');
+
+// Minimum of words that qualify as a sentence.
+const MIN_WORDS = 3;
+
+// Maximum of words allowed per sentence to keep recordings in a manageable duration.
+const MAX_WORDS = 15;
+
+const INVALIDATIONS = [{
+  fn: (sentence) => {
+    const words = tokenizeWords(sentence);
+    return words.length < MIN_WORDS || words.length > MAX_WORDS;
+  },
+  error: `በአረፍተነገሩ ውስጥ ያለው የቃላት ቁጥር በ ${MIN_WORDS} እና ${MAX_WORDS} መሆን አለበት (የሚጠቃለል)`,
+}, {
+  regex: /[0-9]+ | [\u1369-\u137C]+/,
+  error: 'አረፍተነገሩ ውስጥ ቁጥር ሊኖር አይገባም ወይም ቁጥሩን በአማርኛ ተርጉመው ያስተካክሉት ወይም አዲስ አረፍተነገር ይጨምሩ እባክዎ።',
+},{
+  regex: /[A-Za-z]+/,
+  error: 'አረፍተነገሩ ውስጥ በእንግሊዘኛ ፊደል የተጻፈ ነገር ካለ እባክዎ ይተርጉሙት ወይም ያስወግዱት',
+}, {
+  regex: /[\u1360-\u1368]+ | [<>+*#@%^[\]()/]/,
+  error: 'አረፍተነገሩ ውስጥ የተለዩ ምልክቶች እንደ ነጠላ ሰረዝ፣ ድርብ ሰረዝ፣ የዶላር ምልክት እና ሌሎችም ሊኖሩ አይገባም እባክዎ ያስተካክሉት ወይም አዲስ አረፍተነገር ይጨምሩ።',
+}, {
+  // Any words consisting of uppercase letters or uppercase letters with a period
+  // inbetween are considered abbreviations or acronyms.
+  // This currently also matches fooBAR but we most probably don't want that either
+  // as users wouldn't know how to pronounce the uppercase letters.
+  regex: /[\u1200-\u1357]+\.*[\u1200-\u1357]+/,
+  error: 'አረፍተነገሩ ውስጥ ምህጻረ ቃላት ካሉ ያስወግዱት እባክዎ',
+}];
+
+module.exports = {
+  INVALIDATIONS,
+};