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Issue #2046 - Move Intl.PluralRules self-hosted code to a new builtin/intl/PluralRules.js file
This commit is contained in:
Martok
roytam1
parent
ae0eddc165
commit
e55cdd19a0
3 changed files with 232 additions and 227 deletions
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@ -3037,230 +3037,3 @@ function resolveICUPattern(pattern, result) {
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}
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}
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/********** Intl.PluralRules **********/
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/**
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* PluralRules internal properties.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.3.3.
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*/
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var pluralRulesInternalProperties = {
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_availableLocales: null,
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availableLocales: function()
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{
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var locales = this._availableLocales;
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if (locales)
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return locales;
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locales = intl_PluralRules_availableLocales();
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addSpecialMissingLanguageTags(locales);
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return (this._availableLocales = locales);
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}
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};
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/**
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* Compute an internal properties object from |lazyPluralRulesData|.
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*/
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function resolvePluralRulesInternals(lazyPluralRulesData) {
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assert(IsObject(lazyPluralRulesData), "lazy data not an object?");
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var internalProps = std_Object_create(null);
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var requestedLocales = lazyPluralRulesData.requestedLocales;
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var PluralRules = pluralRulesInternalProperties;
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// Step 13.
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const r = ResolveLocale(callFunction(PluralRules.availableLocales, PluralRules),
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lazyPluralRulesData.requestedLocales,
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lazyPluralRulesData.opt,
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noRelevantExtensionKeys, undefined);
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// Step 14.
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internalProps.locale = r.locale;
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internalProps.type = lazyPluralRulesData.type;
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internalProps.pluralCategories = intl_GetPluralCategories(
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internalProps.locale,
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internalProps.type);
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internalProps.minimumIntegerDigits = lazyPluralRulesData.minimumIntegerDigits;
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internalProps.minimumFractionDigits = lazyPluralRulesData.minimumFractionDigits;
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internalProps.maximumFractionDigits = lazyPluralRulesData.maximumFractionDigits;
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if ("minimumSignificantDigits" in lazyPluralRulesData) {
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assert("maximumSignificantDigits" in lazyPluralRulesData, "min/max sig digits mismatch");
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internalProps.minimumSignificantDigits = lazyPluralRulesData.minimumSignificantDigits;
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internalProps.maximumSignificantDigits = lazyPluralRulesData.maximumSignificantDigits;
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}
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return internalProps;
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}
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/**
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* Returns an object containing the PluralRules internal properties of |obj|,
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* or throws a TypeError if |obj| isn't PluralRules-initialized.
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*/
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function getPluralRulesInternals(obj, methodName) {
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var internals = getIntlObjectInternals(obj, "PluralRules", methodName);
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assert(internals.type === "PluralRules", "bad type escaped getIntlObjectInternals");
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var internalProps = maybeInternalProperties(internals);
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if (internalProps)
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return internalProps;
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internalProps = resolvePluralRulesInternals(internals.lazyData);
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setInternalProperties(internals, internalProps);
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return internalProps;
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}
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/**
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* Initializes an object as a PluralRules.
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*
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* This method is complicated a moderate bit by its implementing initialization
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* as a *lazy* concept. Everything that must happen now, does -- but we defer
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* all the work we can until the object is actually used as a PluralRules.
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* This later work occurs in |resolvePluralRulesInternals|; steps not noted
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* here occur there.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.1.1.
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*/
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function InitializePluralRules(pluralRules, locales, options) {
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assert(IsObject(pluralRules), "InitializePluralRules");
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// Step 1.
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if (isInitializedIntlObject(pluralRules))
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ThrowTypeError(JSMSG_INTL_OBJECT_REINITED);
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let internals = initializeIntlObject(pluralRules);
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// Lazy PluralRules data has the following structure:
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//
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// {
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// requestedLocales: List of locales,
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// type: "cardinal" / "ordinal",
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//
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// opt: // opt object computer in InitializePluralRules
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// {
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// localeMatcher: "lookup" / "best fit",
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// }
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//
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// minimumIntegerDigits: integer ∈ [1, 21],
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// minimumFractionDigits: integer ∈ [0, 20],
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// maximumFractionDigits: integer ∈ [0, 20],
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//
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// // optional
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// minimumSignificantDigits: integer ∈ [1, 21],
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// maximumSignificantDigits: integer ∈ [1, 21],
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// }
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//
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// Note that lazy data is only installed as a final step of initialization,
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// so every PluralRules lazy data object has *all* these properties, never a
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// subset of them.
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const lazyPluralRulesData = std_Object_create(null);
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// Step 3.
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let requestedLocales = CanonicalizeLocaleList(locales);
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lazyPluralRulesData.requestedLocales = requestedLocales;
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// Steps 4-5.
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if (options === undefined)
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options = {};
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else
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options = ToObject(options);
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// Step 6.
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const type = GetOption(options, "type", "string", ["cardinal", "ordinal"], "cardinal");
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lazyPluralRulesData.type = type;
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// Step 8.
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let opt = new Record();
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lazyPluralRulesData.opt = opt;
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// Steps 9-10.
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let matcher = GetOption(options, "localeMatcher", "string", ["lookup", "best fit"], "best fit");
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opt.localeMatcher = matcher;
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// Step 11.
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SetNumberFormatDigitOptions(lazyPluralRulesData, options, 0);
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// Step 12.
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if (lazyPluralRulesData.maximumFractionDigits === undefined) {
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lazyPluralRulesData.maximumFractionDigits =
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std_Math_max(lazyPluralRulesData.minimumFractionDigits, 3);
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}
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setLazyData(internals, "PluralRules", lazyPluralRulesData)
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}
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/**
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* Returns the subset of the given locale list for which this locale list has a
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* matching (possibly fallback) locale. Locales appear in the same order in the
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* returned list as in the input list.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.3.2.
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*/
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function Intl_PluralRules_supportedLocalesOf(locales /*, options*/) {
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var options = arguments.length > 1 ? arguments[1] : undefined;
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// Step 1.
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var availableLocales = callFunction(pluralRulesInternalProperties.availableLocales,
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pluralRulesInternalProperties);
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// Step 2.
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let requestedLocales = CanonicalizeLocaleList(locales);
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// Step 3.
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return SupportedLocales(availableLocales, requestedLocales, options);
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}
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/**
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* Returns a String value representing the plural category matching
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* the number passed as value according to the
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* effective locale and the formatting options of this PluralRules.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.4.3.
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*/
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function Intl_PluralRules_select(value) {
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// Step 1.
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let pluralRules = this;
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// Step 2.
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let internals = getPluralRulesInternals(pluralRules, "select");
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// Steps 3-4.
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let n = ToNumber(value);
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// Step 5.
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return intl_SelectPluralRule(pluralRules, n);
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}
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/**
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* Returns the resolved options for a PluralRules object.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.4.4.
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*/
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function Intl_PluralRules_resolvedOptions() {
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var internals = getPluralRulesInternals(this, "resolvedOptions");
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var result = {
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locale: internals.locale,
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type: internals.type,
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pluralCategories: callFunction(std_Array_slice, internals.pluralCategories, 0),
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minimumIntegerDigits: internals.minimumIntegerDigits,
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minimumFractionDigits: internals.minimumFractionDigits,
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maximumFractionDigits: internals.maximumFractionDigits,
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};
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var optionalProperties = [
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"minimumSignificantDigits",
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"maximumSignificantDigits"
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];
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for (var i = 0; i < optionalProperties.length; i++) {
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var p = optionalProperties[i];
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if (callFunction(std_Object_hasOwnProperty, internals, p))
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_DefineDataProperty(result, p, internals[p]);
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}
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return result;
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}
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231
js/src/builtin/intl/PluralRules.js
Normal file
231
js/src/builtin/intl/PluralRules.js
Normal file
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@ -0,0 +1,231 @@
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/********** Intl.PluralRules **********/
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/**
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* PluralRules internal properties.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.3.3.
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*/
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var pluralRulesInternalProperties = {
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_availableLocales: null,
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availableLocales: function()
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{
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var locales = this._availableLocales;
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if (locales)
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return locales;
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locales = intl_PluralRules_availableLocales();
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addSpecialMissingLanguageTags(locales);
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return (this._availableLocales = locales);
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}
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};
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/**
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* Compute an internal properties object from |lazyPluralRulesData|.
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*/
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function resolvePluralRulesInternals(lazyPluralRulesData) {
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assert(IsObject(lazyPluralRulesData), "lazy data not an object?");
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var internalProps = std_Object_create(null);
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var requestedLocales = lazyPluralRulesData.requestedLocales;
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var PluralRules = pluralRulesInternalProperties;
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// Step 13.
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const r = ResolveLocale(callFunction(PluralRules.availableLocales, PluralRules),
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lazyPluralRulesData.requestedLocales,
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lazyPluralRulesData.opt,
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noRelevantExtensionKeys, undefined);
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// Step 14.
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internalProps.locale = r.locale;
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internalProps.type = lazyPluralRulesData.type;
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internalProps.pluralCategories = intl_GetPluralCategories(
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internalProps.locale,
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internalProps.type);
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internalProps.minimumIntegerDigits = lazyPluralRulesData.minimumIntegerDigits;
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internalProps.minimumFractionDigits = lazyPluralRulesData.minimumFractionDigits;
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internalProps.maximumFractionDigits = lazyPluralRulesData.maximumFractionDigits;
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if ("minimumSignificantDigits" in lazyPluralRulesData) {
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assert("maximumSignificantDigits" in lazyPluralRulesData, "min/max sig digits mismatch");
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internalProps.minimumSignificantDigits = lazyPluralRulesData.minimumSignificantDigits;
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internalProps.maximumSignificantDigits = lazyPluralRulesData.maximumSignificantDigits;
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}
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return internalProps;
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}
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/**
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* Returns an object containing the PluralRules internal properties of |obj|,
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* or throws a TypeError if |obj| isn't PluralRules-initialized.
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*/
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function getPluralRulesInternals(obj, methodName) {
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var internals = getIntlObjectInternals(obj, "PluralRules", methodName);
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assert(internals.type === "PluralRules", "bad type escaped getIntlObjectInternals");
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var internalProps = maybeInternalProperties(internals);
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if (internalProps)
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return internalProps;
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internalProps = resolvePluralRulesInternals(internals.lazyData);
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setInternalProperties(internals, internalProps);
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return internalProps;
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}
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/**
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* Initializes an object as a PluralRules.
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*
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* This method is complicated a moderate bit by its implementing initialization
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* as a *lazy* concept. Everything that must happen now, does -- but we defer
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* all the work we can until the object is actually used as a PluralRules.
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* This later work occurs in |resolvePluralRulesInternals|; steps not noted
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* here occur there.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.1.1.
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*/
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function InitializePluralRules(pluralRules, locales, options) {
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assert(IsObject(pluralRules), "InitializePluralRules");
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// Step 1.
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if (isInitializedIntlObject(pluralRules))
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ThrowTypeError(JSMSG_INTL_OBJECT_REINITED);
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let internals = initializeIntlObject(pluralRules);
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// Lazy PluralRules data has the following structure:
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//
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// {
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// requestedLocales: List of locales,
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// type: "cardinal" / "ordinal",
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//
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// opt: // opt object computer in InitializePluralRules
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// {
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// localeMatcher: "lookup" / "best fit",
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// }
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//
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// minimumIntegerDigits: integer ∈ [1, 21],
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// minimumFractionDigits: integer ∈ [0, 20],
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// maximumFractionDigits: integer ∈ [0, 20],
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//
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// // optional
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// minimumSignificantDigits: integer ∈ [1, 21],
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// maximumSignificantDigits: integer ∈ [1, 21],
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// }
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//
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// Note that lazy data is only installed as a final step of initialization,
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// so every PluralRules lazy data object has *all* these properties, never a
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// subset of them.
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const lazyPluralRulesData = std_Object_create(null);
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// Step 3.
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let requestedLocales = CanonicalizeLocaleList(locales);
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lazyPluralRulesData.requestedLocales = requestedLocales;
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// Steps 4-5.
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if (options === undefined)
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options = {};
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else
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options = ToObject(options);
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// Step 6.
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const type = GetOption(options, "type", "string", ["cardinal", "ordinal"], "cardinal");
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lazyPluralRulesData.type = type;
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// Step 8.
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let opt = new Record();
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lazyPluralRulesData.opt = opt;
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// Steps 9-10.
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let matcher = GetOption(options, "localeMatcher", "string", ["lookup", "best fit"], "best fit");
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opt.localeMatcher = matcher;
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// Step 11.
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SetNumberFormatDigitOptions(lazyPluralRulesData, options, 0);
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// Step 12.
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if (lazyPluralRulesData.maximumFractionDigits === undefined) {
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lazyPluralRulesData.maximumFractionDigits =
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std_Math_max(lazyPluralRulesData.minimumFractionDigits, 3);
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}
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setLazyData(internals, "PluralRules", lazyPluralRulesData)
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}
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/**
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* Returns the subset of the given locale list for which this locale list has a
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* matching (possibly fallback) locale. Locales appear in the same order in the
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* returned list as in the input list.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.3.2.
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*/
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function Intl_PluralRules_supportedLocalesOf(locales /*, options*/) {
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var options = arguments.length > 1 ? arguments[1] : undefined;
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// Step 1.
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var availableLocales = callFunction(pluralRulesInternalProperties.availableLocales,
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pluralRulesInternalProperties);
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// Step 2.
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let requestedLocales = CanonicalizeLocaleList(locales);
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// Step 3.
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return SupportedLocales(availableLocales, requestedLocales, options);
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}
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/**
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* Returns a String value representing the plural category matching
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* the number passed as value according to the
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* effective locale and the formatting options of this PluralRules.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.4.3.
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*/
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function Intl_PluralRules_select(value) {
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// Step 1.
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let pluralRules = this;
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// Step 2.
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let internals = getPluralRulesInternals(pluralRules, "select");
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// Steps 3-4.
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let n = ToNumber(value);
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// Step 5.
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return intl_SelectPluralRule(pluralRules, n);
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}
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/**
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* Returns the resolved options for a PluralRules object.
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*
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* Spec: ECMAScript 402 API, PluralRules, 1.4.4.
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*/
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function Intl_PluralRules_resolvedOptions() {
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var internals = getPluralRulesInternals(this, "resolvedOptions");
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var result = {
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locale: internals.locale,
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type: internals.type,
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pluralCategories: callFunction(std_Array_slice, internals.pluralCategories, 0),
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minimumIntegerDigits: internals.minimumIntegerDigits,
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minimumFractionDigits: internals.minimumFractionDigits,
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maximumFractionDigits: internals.maximumFractionDigits,
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};
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var optionalProperties = [
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"minimumSignificantDigits",
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"maximumSignificantDigits"
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];
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for (var i = 0; i < optionalProperties.length; i++) {
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var p = optionalProperties[i];
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if (callFunction(std_Object_hasOwnProperty, internals, p))
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_DefineDataProperty(result, p, internals[p]);
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}
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return result;
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}
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@ -671,6 +671,7 @@ selfhosted.inputs = [
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'builtin/Intl.js',
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'builtin/intl/IntlObject.js',
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'builtin/intl/LangTagMappingsGenerated.js',
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'builtin/intl/PluralRules.js',
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'builtin/intl/RelativeTimeFormat.js',
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'builtin/Iterator.js',
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'builtin/Map.js',
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