Handle both given and family name in decrypted profile name

* Decrypt given and family names from profile name string
* Handle both given and family name from decrypted profile name
* Ensure we properly handle profiles with no family name

ts/util/combineNames.ts

@@ -0,0 +1,95 @@
+// We don't include unicode-12.1.0 because it's over 100MB in size
+
+// From https://github.com/mathiasbynens/unicode-12.1.0/tree/master/Block
+
+// tslint:disable variable-name
+
+const CJK_Compatibility = /[\u3300-\u33FF]/;
+const CJK_Compatibility_Forms = /[\uFE30-\uFE4F]/;
+const CJK_Compatibility_Ideographs = /[\uF900-\uFAFF]/;
+const CJK_Compatibility_Ideographs_Supplement = /\uD87E[\uDC00-\uDE1F]/;
+const CJK_Radicals_Supplement = /[\u2E80-\u2EFF]/;
+const CJK_Strokes = /[\u31C0-\u31EF]/;
+const CJK_Symbols_And_Punctuation = /[\u3000-\u303F]/;
+const CJK_Unified_Ideographs = /[\u4E00-\u9FFF]/;
+const CJK_Unified_Ideographs_Extension_A = /[\u3400-\u4DBF]/;
+const CJK_Unified_Ideographs_Extension_B = /[\uD840-\uD868][\uDC00-\uDFFF]|\uD869[\uDC00-\uDEDF]/;
+const CJK_Unified_Ideographs_Extension_C = /\uD869[\uDF00-\uDFFF]|[\uD86A-\uD86C][\uDC00-\uDFFF]|\uD86D[\uDC00-\uDF3F]/;
+const CJK_Unified_Ideographs_Extension_D = /\uD86D[\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1F]/;
+const CJK_Unified_Ideographs_Extension_E = /\uD86E[\uDC20-\uDFFF]|[\uD86F-\uD872][\uDC00-\uDFFF]|\uD873[\uDC00-\uDEAF]/;
+const Enclosed_CJK_Letters_And_Months = /[\u3200-\u32FF]/;
+const Kangxi_Radicals = /[\u2F00-\u2FDF]/;
+const Ideographic_Description_Characters = /[\u2FF0-\u2FFF]/;
+const Hiragana = /[\u3040-\u309F]/;
+const Katakana = /[\u30A0-\u30FF]/;
+const Katakana_Phonetic_Extensions = /[\u31F0-\u31FF]/;
+const Hangul_Compatibility_Jamo = /[\u3130-\u318F]/;
+const Hangul_Jamo = /[\u1100-\u11FF]/;
+const Hangul_Jamo_Extended_A = /[\uA960-\uA97F]/;
+const Hangul_Jamo_Extended_B = /[\uD7B0-\uD7FF]/;
+const Hangul_Syllables = /[\uAC00-\uD7AF]/;
+
+// From https://github.com/mathiasbynens/unicode-12.1.0/tree/master/Binary_Property/Ideographic
+const isIdeographic = /[\u3006\u3007\u3021-\u3029\u3038-\u303A\u3400-\u4DB5\u4E00-\u9FEF\uF900-\uFA6D\uFA70-\uFAD9]|[\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879][\uDC00-\uDFFF]|\uD821[\uDC00-\uDFF7]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDD70-\uDEFB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]/;
+
+export function combineNames(given: string, family?: string): null | string {
+  if (!given) {
+    return null;
+  }
+
+  // Users who haven't upgraded to dual-name, or went minimal, will just have a given name
+  if (!family) {
+    return given;
+  }
+
+  if (isAllCKJV(family) && isAllCKJV(given)) {
+    return `${family}${given}`;
+  }
+
+  return `${given} ${family}`;
+}
+
+function isAllCKJV(name: string): boolean {
+  for (const codePoint of name) {
+    if (!isCKJV(codePoint)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+// tslint:disable-next-line cyclomatic-complexity
+function isCKJV(codePoint: string) {
+  if (codePoint === ' ') {
+    return true;
+  }
+
+  return (
+    CJK_Compatibility.test(codePoint) ||
+    CJK_Compatibility_Forms.test(codePoint) ||
+    CJK_Compatibility_Ideographs.test(codePoint) ||
+    CJK_Compatibility_Ideographs_Supplement.test(codePoint) ||
+    CJK_Radicals_Supplement.test(codePoint) ||
+    CJK_Strokes.test(codePoint) ||
+    CJK_Symbols_And_Punctuation.test(codePoint) ||
+    CJK_Unified_Ideographs.test(codePoint) ||
+    CJK_Unified_Ideographs_Extension_A.test(codePoint) ||
+    CJK_Unified_Ideographs_Extension_B.test(codePoint) ||
+    CJK_Unified_Ideographs_Extension_C.test(codePoint) ||
+    CJK_Unified_Ideographs_Extension_D.test(codePoint) ||
+    CJK_Unified_Ideographs_Extension_E.test(codePoint) ||
+    Enclosed_CJK_Letters_And_Months.test(codePoint) ||
+    Kangxi_Radicals.test(codePoint) ||
+    Ideographic_Description_Characters.test(codePoint) ||
+    Hiragana.test(codePoint) ||
+    Katakana.test(codePoint) ||
+    Katakana_Phonetic_Extensions.test(codePoint) ||
+    Hangul_Compatibility_Jamo.test(codePoint) ||
+    Hangul_Jamo.test(codePoint) ||
+    Hangul_Jamo_Extended_A.test(codePoint) ||
+    Hangul_Jamo_Extended_B.test(codePoint) ||
+    Hangul_Syllables.test(codePoint) ||
+    isIdeographic.test(codePoint)
+  );
+}