Marc Mintel
5397309103
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65 lines
3.3 KiB
Plaintext
65 lines
3.3 KiB
Plaintext
import { GetOption } from "../GetOption.js";
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import { IsWellFormedCurrencyCode } from "../IsWellFormedCurrencyCode.js";
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import { IsWellFormedUnitIdentifier } from "../IsWellFormedUnitIdentifier.js";
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import "../types/number.js";
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import { invariant } from "../utils.js";
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/**
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* https://tc39.es/ecma402/#sec-setnumberformatunitoptions
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*/
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export function SetNumberFormatUnitOptions(internalSlots, options = Object.create(null)) {
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// 1. Let style be ? GetOption(options, "style", "string", « "decimal", "percent", "currency", "unit" », "decimal").
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const style = GetOption(options, "style", "string", [
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"decimal",
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"percent",
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"currency",
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"unit"
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], "decimal");
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// 2. Set internalSlots.[[Style]] to style.
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internalSlots.style = style;
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// 3. Let currency be ? GetOption(options, "currency", "string", undefined, undefined).
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const currency = GetOption(options, "currency", "string", undefined, undefined);
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// 4. If currency is not undefined, then
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// a. If the result of IsWellFormedCurrencyCode(currency) is false, throw a RangeError exception.
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invariant(currency === undefined || IsWellFormedCurrencyCode(currency), "Malformed currency code", RangeError);
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// 5. If style is "currency" and currency is undefined, throw a TypeError exception.
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invariant(style !== "currency" || currency !== undefined, "currency cannot be undefined", TypeError);
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// 6. Let currencyDisplay be ? GetOption(options, "currencyDisplay", "string", « "code", "symbol", "narrowSymbol", "name" », "symbol").
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const currencyDisplay = GetOption(options, "currencyDisplay", "string", [
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"code",
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"symbol",
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"narrowSymbol",
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"name"
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], "symbol");
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// 7. Let currencySign be ? GetOption(options, "currencySign", "string", « "standard", "accounting" », "standard").
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const currencySign = GetOption(options, "currencySign", "string", ["standard", "accounting"], "standard");
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// 8. Let unit be ? GetOption(options, "unit", "string", undefined, undefined).
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const unit = GetOption(options, "unit", "string", undefined, undefined);
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// 9. If unit is not undefined, then
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// a. If the result of IsWellFormedUnitIdentifier(unit) is false, throw a RangeError exception.
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invariant(unit === undefined || IsWellFormedUnitIdentifier(unit), "Invalid unit argument for Intl.NumberFormat()", RangeError);
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// 10. If style is "unit" and unit is undefined, throw a TypeError exception.
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invariant(style !== "unit" || unit !== undefined, "unit cannot be undefined", TypeError);
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// 11. Let unitDisplay be ? GetOption(options, "unitDisplay", "string", « "short", "narrow", "long" », "short").
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const unitDisplay = GetOption(options, "unitDisplay", "string", [
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"short",
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"narrow",
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"long"
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], "short");
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// 12. If style is "currency", then
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if (style === "currency") {
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// a. Set internalSlots.[[Currency]] to the result of converting currency to upper case as specified in 6.1.
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internalSlots.currency = currency.toUpperCase();
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// b. Set internalSlots.[[CurrencyDisplay]] to currencyDisplay.
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internalSlots.currencyDisplay = currencyDisplay;
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// c. Set internalSlots.[[CurrencySign]] to currencySign.
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internalSlots.currencySign = currencySign;
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}
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// 13. If style is "unit", then
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if (style === "unit") {
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// a. Set internalSlots.[[Unit]] to unit.
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internalSlots.unit = unit;
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// b. Set internalSlots.[[UnitDisplay]] to unitDisplay.
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internalSlots.unitDisplay = unitDisplay;
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}
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}
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