Normative: Add numberingSystem option bag entry

Analogy to tc39/ecma402#175
tc39 · Apr 23, 2019 · 9e26ff0 · 9e26ff0
1 parent f9fb38c
commit 9e26ff0
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/spec/relativetimeformat.html b/spec/relativetimeformat.html
@@ -21,12 +21,16 @@ <h1>InitializeRelativeTimeFormat ( _relativeTimeFormat_, _locales_, _options_ )<
           1. Let _options_ be ? ToObject(_options_).
         1. Let _opt_ be a new Record.
         1. Let _matcher_ be ? GetOption(_options_, `"localeMatcher"`, `"string"`, «`"lookup"`, `"best fit"`», `"best fit"`).
+        1. Let _numberingSystem_ be ? GetOption(_options_, `"numberingSystem"`, `"string"`, *undefined*, *undefined*).
+        1. If _numberingSystem_ is not *undefined*, then
+          1. If _numberingSystem_ does not match the `(3*8alphanum) *("-" (3*8alphanum))` sequence, throw a *RangeError* exception.
+        1. Set _opt_.[[nu]] to _numberingSystem_.
         1. Set _opt_.[[LocaleMatcher]] to _matcher_.
         1. Let _localeData_ be %RelativeTimeFormat%.[[LocaleData]].
         1. Let _r_ be ResolveLocale(%RelativeTimeFormat%.[[AvailableLocales]], _requestedLocales_, _opt_, %RelativeTimeFormat%.[[RelevantExtensionKeys]], _localeData_).
         1. Let _locale_ be _r_.[[Locale]].
         1. Set _relativeTimeFormat_.[[Locale]] to _locale_.
-        1. Set _relativeTimeFormat_.[[NumberingSystem]] to r_.[[nu]].
+        1. Set _relativeTimeFormat_.[[NumberingSystem]] to _r_.[[nu]].
         1. Let _dataLocale_ be _r_.[[DataLocale]].
         1. Let _s_ be ? GetOption(_options_, `"style"`, `"string"`, «`"long"`, `"short"`, `"narrow"`», `"long"`).
         1. Set _relativeTimeFormat_.[[Style]] to _s_.